How to use String method of types Package

Best Go-testdeep code snippet using types.String

util_test.go

Source:util_test.go Github

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...198 want: false,199 }}...)200 // Test IgnoreUnknown.201 raw := protopack.Message{202 protopack.Tag{1, protopack.BytesType}, protopack.String("Hello, goodbye!"),203 }.Marshal()204 tests = append(tests, []test{{205 x: apply(&testpb.TestAllTypes{OptionalSint64: proto.Int64(5)}, setUnknown{raw}),206 y: &testpb.TestAllTypes{OptionalSint64: proto.Int64(5)},207 opts: cmp.Options{Transform()},208 want: false,209 }, {210 x: apply(&testpb.TestAllTypes{OptionalSint64: proto.Int64(5)}, setUnknown{raw}),211 y: &testpb.TestAllTypes{OptionalSint64: proto.Int64(5)},212 opts: cmp.Options{Transform(), IgnoreUnknown()},213 want: true,214 }, {215 x: apply(&testpb.TestAllTypes{OptionalSint64: proto.Int64(5)}, setUnknown{raw}),216 y: &testpb.TestAllTypes{OptionalSint64: proto.Int64(6)},217 opts: cmp.Options{Transform(), IgnoreUnknown()},218 want: false,219 }, {220 x: apply(&testpb.TestAllTypes{OptionalSint64: proto.Int64(5)}, setUnknown{raw}),221 y: apply(dynamicpb.NewMessage(allTypesDesc), setField{6, int64(5)}),222 opts: cmp.Options{Transform()},223 want: false,224 }, {225 x: apply(&testpb.TestAllTypes{OptionalSint64: proto.Int64(5)}, setUnknown{raw}),226 y: apply(dynamicpb.NewMessage(allTypesDesc), setField{6, int64(5)}),227 opts: cmp.Options{Transform(), IgnoreUnknown()},228 want: true,229 }}...)230 // Test IgnoreDefaultScalars.231 tests = append(tests, []test{{232 x: &testpb.TestAllTypes{233 DefaultInt32: proto.Int32(81),234 DefaultUint32: proto.Uint32(83),235 DefaultFloat: proto.Float32(91.5),236 DefaultBool: proto.Bool(true),237 DefaultBytes: []byte("world"),238 },239 y: &testpb.TestAllTypes{240 DefaultInt64: proto.Int64(82),241 DefaultUint64: proto.Uint64(84),242 DefaultDouble: proto.Float64(92e3),243 DefaultString: proto.String("hello"),244 DefaultForeignEnum: testpb.ForeignEnum_FOREIGN_BAR.Enum(),245 },246 opts: cmp.Options{Transform()},247 want: false,248 }, {249 x: &testpb.TestAllTypes{250 DefaultInt32: proto.Int32(81),251 DefaultUint32: proto.Uint32(83),252 DefaultFloat: proto.Float32(91.5),253 DefaultBool: proto.Bool(true),254 DefaultBytes: []byte("world"),255 },256 y: &testpb.TestAllTypes{257 DefaultInt64: proto.Int64(82),258 DefaultUint64: proto.Uint64(84),259 DefaultDouble: proto.Float64(92e3),260 DefaultString: proto.String("hello"),261 DefaultForeignEnum: testpb.ForeignEnum_FOREIGN_BAR.Enum(),262 },263 opts: cmp.Options{Transform(), IgnoreDefaultScalars()},264 want: true,265 }, {266 x: &testpb.TestAllTypes{267 OptionalInt32: proto.Int32(81),268 OptionalUint32: proto.Uint32(83),269 OptionalFloat: proto.Float32(91.5),270 OptionalBool: proto.Bool(true),271 OptionalBytes: []byte("world"),272 },273 y: &testpb.TestAllTypes{274 OptionalInt64: proto.Int64(82),275 OptionalUint64: proto.Uint64(84),276 OptionalDouble: proto.Float64(92e3),277 OptionalString: proto.String("hello"),278 OptionalForeignEnum: testpb.ForeignEnum_FOREIGN_BAR.Enum(),279 },280 opts: cmp.Options{Transform(), IgnoreDefaultScalars()},281 want: false,282 }, {283 x: &testpb.TestAllTypes{284 OptionalInt32: proto.Int32(0),285 OptionalUint32: proto.Uint32(0),286 OptionalFloat: proto.Float32(0),287 OptionalBool: proto.Bool(false),288 OptionalBytes: []byte(""),289 },290 y: &testpb.TestAllTypes{291 OptionalInt64: proto.Int64(0),292 OptionalUint64: proto.Uint64(0),293 OptionalDouble: proto.Float64(0),294 OptionalString: proto.String(""),295 OptionalForeignEnum: testpb.ForeignEnum_FOREIGN_FOO.Enum(),296 },297 opts: cmp.Options{Transform(), IgnoreDefaultScalars()},298 want: true,299 }, {300 x: apply(new(testpb.TestAllExtensions),301 setExtension{testpb.E_DefaultInt32, int32(81)},302 setExtension{testpb.E_DefaultUint32, uint32(83)},303 setExtension{testpb.E_DefaultFloat, float32(91.5)},304 setExtension{testpb.E_DefaultBool, bool(true)},305 setExtension{testpb.E_DefaultBytes, []byte("world")}),306 y: apply(new(testpb.TestAllExtensions),307 setExtension{testpb.E_DefaultInt64, int64(82)},308 setExtension{testpb.E_DefaultUint64, uint64(84)},309 setExtension{testpb.E_DefaultDouble, float64(92e3)},310 setExtension{testpb.E_DefaultString, string("hello")}),311 opts: cmp.Options{Transform()},312 want: false,313 }, {314 x: apply(new(testpb.TestAllExtensions),315 setExtension{testpb.E_DefaultInt32, int32(81)},316 setExtension{testpb.E_DefaultUint32, uint32(83)},317 setExtension{testpb.E_DefaultFloat, float32(91.5)},318 setExtension{testpb.E_DefaultBool, bool(true)},319 setExtension{testpb.E_DefaultBytes, []byte("world")}),320 y: apply(new(testpb.TestAllExtensions),321 setExtension{testpb.E_DefaultInt64, int64(82)},322 setExtension{testpb.E_DefaultUint64, uint64(84)},323 setExtension{testpb.E_DefaultDouble, float64(92e3)},324 setExtension{testpb.E_DefaultString, string("hello")}),325 opts: cmp.Options{Transform(), IgnoreDefaultScalars()},326 want: true,327 }, {328 x: apply(new(testpb.TestAllExtensions),329 setExtension{testpb.E_OptionalInt32, int32(0)},330 setExtension{testpb.E_OptionalUint32, uint32(0)},331 setExtension{testpb.E_OptionalFloat, float32(0)},332 setExtension{testpb.E_OptionalBool, bool(false)},333 setExtension{testpb.E_OptionalBytes, []byte("")}),334 y: apply(new(testpb.TestAllExtensions),335 setExtension{testpb.E_OptionalInt64, int64(0)},336 setExtension{testpb.E_OptionalUint64, uint64(0)},337 setExtension{testpb.E_OptionalDouble, float64(0)},338 setExtension{testpb.E_OptionalString, string("")}),339 opts: cmp.Options{Transform()},340 want: false,341 }, {342 x: apply(new(testpb.TestAllExtensions),343 setExtension{testpb.E_OptionalInt32, int32(0)},344 setExtension{testpb.E_OptionalUint32, uint32(0)},345 setExtension{testpb.E_OptionalFloat, float32(0)},346 setExtension{testpb.E_OptionalBool, bool(false)},347 setExtension{testpb.E_OptionalBytes, []byte("")}),348 y: apply(new(testpb.TestAllExtensions),349 setExtension{testpb.E_OptionalInt64, int64(0)},350 setExtension{testpb.E_OptionalUint64, uint64(0)},351 setExtension{testpb.E_OptionalDouble, float64(0)},352 setExtension{testpb.E_OptionalString, string("")}),353 opts: cmp.Options{Transform(), IgnoreDefaultScalars()},354 want: true,355 }, {356 x: &testpb.TestAllTypes{357 DefaultFloat: proto.Float32(91.6),358 },359 y: &testpb.TestAllTypes{},360 opts: cmp.Options{Transform(), IgnoreDefaultScalars()},361 want: false,362 }, {363 x: &testpb.TestAllTypes{364 OptionalForeignMessage: &testpb.ForeignMessage{},365 },366 y: &testpb.TestAllTypes{},367 opts: cmp.Options{Transform(), IgnoreDefaultScalars()},368 want: false,369 }}...)370 // Test IgnoreEmptyMessages.371 tests = append(tests, []test{{372 x: []*testpb.TestAllTypes{nil, {}, {OptionalInt32: proto.Int32(5)}},373 y: []*testpb.TestAllTypes{nil, {}, {OptionalInt32: proto.Int32(5)}},374 opts: cmp.Options{Transform()},375 want: true,376 }, {377 x: []*testpb.TestAllTypes{nil, {}, {OptionalInt32: proto.Int32(5)}},378 y: []*testpb.TestAllTypes{{OptionalInt32: proto.Int32(5)}},379 opts: cmp.Options{Transform(), IgnoreEmptyMessages()},380 want: false,381 }, {382 x: &testpb.TestAllTypes{OptionalForeignMessage: &testpb.ForeignMessage{}},383 y: &testpb.TestAllTypes{OptionalForeignMessage: nil},384 opts: cmp.Options{Transform()},385 want: false,386 }, {387 x: &testpb.TestAllTypes{OptionalForeignMessage: &testpb.ForeignMessage{}},388 y: &testpb.TestAllTypes{OptionalForeignMessage: nil},389 opts: cmp.Options{Transform(), IgnoreEmptyMessages()},390 want: true,391 }, {392 x: &testpb.TestAllTypes{OptionalForeignMessage: &testpb.ForeignMessage{C: proto.Int32(5)}},393 y: &testpb.TestAllTypes{OptionalForeignMessage: nil},394 opts: cmp.Options{Transform(), IgnoreEmptyMessages()},395 want: false,396 }, {397 x: &testpb.TestAllTypes{RepeatedForeignMessage: []*testpb.ForeignMessage{}},398 y: &testpb.TestAllTypes{RepeatedForeignMessage: nil},399 opts: cmp.Options{Transform()},400 want: true,401 }, {402 x: &testpb.TestAllTypes{RepeatedForeignMessage: []*testpb.ForeignMessage{nil, {}}},403 y: &testpb.TestAllTypes{RepeatedForeignMessage: nil},404 opts: cmp.Options{Transform()},405 want: false,406 }, {407 x: &testpb.TestAllTypes{RepeatedForeignMessage: []*testpb.ForeignMessage{nil, {}}},408 y: &testpb.TestAllTypes{RepeatedForeignMessage: nil},409 opts: cmp.Options{Transform(), IgnoreEmptyMessages()},410 want: true,411 }, {412 x: &testpb.TestAllTypes{RepeatedForeignMessage: []*testpb.ForeignMessage{nil, {C: proto.Int32(5)}, {}}},413 y: &testpb.TestAllTypes{RepeatedForeignMessage: nil},414 opts: cmp.Options{Transform(), IgnoreEmptyMessages()},415 want: false,416 }, {417 x: &testpb.TestAllTypes{RepeatedForeignMessage: []*testpb.ForeignMessage{nil, {C: proto.Int32(5)}, {}}},418 y: &testpb.TestAllTypes{RepeatedForeignMessage: []*testpb.ForeignMessage{{}, {}, nil, {}, {C: proto.Int32(5)}, {}}},419 opts: cmp.Options{Transform()},420 want: false,421 }, {422 x: &testpb.TestAllTypes{RepeatedForeignMessage: []*testpb.ForeignMessage{nil, {C: proto.Int32(5)}, {}}},423 y: &testpb.TestAllTypes{RepeatedForeignMessage: []*testpb.ForeignMessage{{}, {}, nil, {}, {C: proto.Int32(5)}, {}}},424 opts: cmp.Options{Transform(), IgnoreEmptyMessages()},425 want: true,426 }, {427 x: &testpb.TestAllTypes{MapStringNestedMessage: map[string]*testpb.TestAllTypes_NestedMessage{}},428 y: &testpb.TestAllTypes{MapStringNestedMessage: nil},429 opts: cmp.Options{Transform()},430 want: true,431 }, {432 x: &testpb.TestAllTypes{MapStringNestedMessage: map[string]*testpb.TestAllTypes_NestedMessage{"1": nil, "2": {}}},433 y: &testpb.TestAllTypes{MapStringNestedMessage: nil},434 opts: cmp.Options{Transform()},435 want: false,436 }, {437 x: &testpb.TestAllTypes{MapStringNestedMessage: map[string]*testpb.TestAllTypes_NestedMessage{"1": nil, "2": {}}},438 y: &testpb.TestAllTypes{MapStringNestedMessage: nil},439 opts: cmp.Options{Transform(), IgnoreEmptyMessages()},440 want: true,441 }, {442 x: &testpb.TestAllTypes{MapStringNestedMessage: map[string]*testpb.TestAllTypes_NestedMessage{"1": nil, "2": {A: proto.Int32(5)}, "3": {}}},443 y: &testpb.TestAllTypes{MapStringNestedMessage: nil},444 opts: cmp.Options{Transform(), IgnoreEmptyMessages()},445 want: false,446 }, {447 x: &testpb.TestAllTypes{MapStringNestedMessage: map[string]*testpb.TestAllTypes_NestedMessage{"1": nil, "2": {A: proto.Int32(5)}, "3": {}}},448 y: &testpb.TestAllTypes{MapStringNestedMessage: map[string]*testpb.TestAllTypes_NestedMessage{"1": {}, "1a": {}, "1b": nil, "2": {A: proto.Int32(5)}, "4": {}}},449 opts: cmp.Options{Transform()},450 want: false,451 }, {452 x: &testpb.TestAllTypes{MapStringNestedMessage: map[string]*testpb.TestAllTypes_NestedMessage{"1": nil, "2": {A: proto.Int32(5)}, "3": {}}},453 y: &testpb.TestAllTypes{MapStringNestedMessage: map[string]*testpb.TestAllTypes_NestedMessage{"1": {}, "1a": {}, "1b": nil, "2": {A: proto.Int32(5)}, "4": {}}},454 opts: cmp.Options{Transform(), IgnoreEmptyMessages()},455 want: true,456 }}...)457 // Test IgnoreEnums and IgnoreMessages.458 tests = append(tests, []test{{459 x: &testpb.TestAllTypes{460 OptionalNestedMessage: &testpb.TestAllTypes_NestedMessage{A: proto.Int32(1)},461 RepeatedNestedMessage: []*testpb.TestAllTypes_NestedMessage{{A: proto.Int32(2)}},462 MapStringNestedMessage: map[string]*testpb.TestAllTypes_NestedMessage{"3": {A: proto.Int32(3)}},463 },464 y: &testpb.TestAllTypes{},465 opts: cmp.Options{Transform()},466 want: false,467 }, {468 x: &testpb.TestAllTypes{469 OptionalNestedMessage: &testpb.TestAllTypes_NestedMessage{A: proto.Int32(1)},470 RepeatedNestedMessage: []*testpb.TestAllTypes_NestedMessage{{A: proto.Int32(2)}},471 MapStringNestedMessage: map[string]*testpb.TestAllTypes_NestedMessage{"3": {A: proto.Int32(3)}},472 },473 y: &testpb.TestAllTypes{},474 opts: cmp.Options{Transform(), IgnoreMessages(&testpb.TestAllTypes{})},475 want: true,476 }, {477 x: &testpb.TestAllTypes{478 OptionalNestedEnum: testpb.TestAllTypes_FOO.Enum(),479 RepeatedNestedEnum: []testpb.TestAllTypes_NestedEnum{testpb.TestAllTypes_BAR},480 MapStringNestedEnum: map[string]testpb.TestAllTypes_NestedEnum{"baz": testpb.TestAllTypes_BAZ},481 },482 y: &testpb.TestAllTypes{},483 opts: cmp.Options{Transform()},484 want: false,485 }, {486 x: &testpb.TestAllTypes{487 OptionalNestedEnum: testpb.TestAllTypes_FOO.Enum(),488 RepeatedNestedEnum: []testpb.TestAllTypes_NestedEnum{testpb.TestAllTypes_BAR},489 MapStringNestedEnum: map[string]testpb.TestAllTypes_NestedEnum{"baz": testpb.TestAllTypes_BAZ},490 },491 y: &testpb.TestAllTypes{},492 opts: cmp.Options{Transform(), IgnoreEnums(testpb.TestAllTypes_NestedEnum(0))},493 want: true,494 }, {495 x: &testpb.TestAllTypes{496 OptionalNestedEnum: testpb.TestAllTypes_FOO.Enum(),497 RepeatedNestedEnum: []testpb.TestAllTypes_NestedEnum{testpb.TestAllTypes_BAR},498 MapStringNestedEnum: map[string]testpb.TestAllTypes_NestedEnum{"baz": testpb.TestAllTypes_BAZ},499 OptionalNestedMessage: &testpb.TestAllTypes_NestedMessage{A: proto.Int32(1)},500 RepeatedNestedMessage: []*testpb.TestAllTypes_NestedMessage{{A: proto.Int32(2)}},501 MapStringNestedMessage: map[string]*testpb.TestAllTypes_NestedMessage{"3": {A: proto.Int32(3)}},502 },503 y: &testpb.TestAllTypes{},504 opts: cmp.Options{Transform(),505 IgnoreMessages(&testpb.TestAllExtensions{}),506 IgnoreEnums(testpb.ForeignEnum(0)),507 },508 want: false,509 }}...)510 // Test IgnoreFields and IgnoreOneofs.511 tests = append(tests, []test{{512 x: &testpb.TestAllTypes{OptionalInt32: proto.Int32(5)},513 y: &testpb.TestAllTypes{OptionalInt32: proto.Int32(6)},514 opts: cmp.Options{Transform()},515 want: false,516 }, {517 x: &testpb.TestAllTypes{OptionalInt32: proto.Int32(5)},518 y: &testpb.TestAllTypes{},519 opts: cmp.Options{Transform(),520 IgnoreFields(&testpb.TestAllTypes{}, "optional_int32")},521 want: true,522 }, {523 x: &testpb.TestAllTypes{OptionalInt32: proto.Int32(5)},524 y: &testpb.TestAllTypes{OptionalInt32: proto.Int32(6)},525 opts: cmp.Options{Transform(),526 IgnoreFields(&testpb.TestAllTypes{}, "optional_int32")},527 want: true,528 }, {529 x: &testpb.TestAllTypes{OptionalInt32: proto.Int32(5)},530 y: &testpb.TestAllTypes{OptionalInt32: proto.Int32(6)},531 opts: cmp.Options{Transform(),532 IgnoreFields(&testpb.TestAllTypes{}, "optional_int64")},533 want: false,534 }, {535 x: &testpb.TestAllTypes{OneofField: &testpb.TestAllTypes_OneofUint32{5}},536 y: &testpb.TestAllTypes{OneofField: &testpb.TestAllTypes_OneofString{"5"}},537 opts: cmp.Options{Transform()},538 want: false,539 }, {540 x: &testpb.TestAllTypes{OneofField: &testpb.TestAllTypes_OneofUint32{5}},541 y: &testpb.TestAllTypes{OneofField: &testpb.TestAllTypes_OneofString{"5"}},542 opts: cmp.Options{Transform(),543 IgnoreFields(&testpb.TestAllTypes{}, "oneof_uint32"),544 IgnoreFields(&testpb.TestAllTypes{}, "oneof_string")},545 want: true,546 }, {547 x: &testpb.TestAllTypes{OneofField: &testpb.TestAllTypes_OneofUint32{5}},548 y: &testpb.TestAllTypes{OneofField: &testpb.TestAllTypes_OneofString{"5"}},549 opts: cmp.Options{Transform(),550 IgnoreOneofs(&testpb.TestAllTypes{}, "oneof_field")},551 want: true,552 }, {553 x: apply(new(testpb.TestAllExtensions),554 setExtension{testpb.E_OptionalString, "hello"}),555 y: apply(new(testpb.TestAllExtensions),556 setExtension{testpb.E_OptionalString, "goodbye"}),557 opts: cmp.Options{Transform()},558 want: false,559 }, {560 x: apply(new(testpb.TestAllExtensions),561 setExtension{testpb.E_OptionalString, "hello"}),562 y: new(testpb.TestAllExtensions),563 opts: cmp.Options{Transform(),564 IgnoreDescriptors(testpb.E_OptionalString.TypeDescriptor())},565 want: true,566 }, {567 x: apply(new(testpb.TestAllExtensions),568 setExtension{testpb.E_OptionalString, "hello"}),569 y: apply(new(testpb.TestAllExtensions),570 setExtension{testpb.E_OptionalString, "goodbye"}),571 opts: cmp.Options{Transform(),572 IgnoreDescriptors(testpb.E_OptionalString.TypeDescriptor())},573 want: true,574 }, {575 x: apply(new(testpb.TestAllExtensions),576 setExtension{testpb.E_OptionalString, "hello"}),577 y: apply(new(testpb.TestAllExtensions),578 setExtension{testpb.E_OptionalString, "goodbye"}),579 opts: cmp.Options{Transform(),580 IgnoreDescriptors(testpb.E_OptionalInt32.TypeDescriptor())},581 want: false,582 }}...)583 // Test FilterEnum.584 tests = append(tests, []test{{585 x: &testpb.TestAllTypes{OptionalNestedEnum: testpb.TestAllTypes_FOO.Enum()},586 y: &testpb.TestAllTypes{OptionalNestedEnum: testpb.TestAllTypes_BAR.Enum()},587 opts: cmp.Options{Transform()},588 want: false,589 }, {590 x: &testpb.TestAllTypes{OptionalNestedEnum: testpb.TestAllTypes_FOO.Enum()},591 y: &testpb.TestAllTypes{OptionalNestedEnum: testpb.TestAllTypes_BAR.Enum()},592 opts: cmp.Options{593 Transform(),594 FilterEnum(testpb.ForeignEnum(0), cmp.Comparer(func(x, y interface{}) bool { return true })),595 },596 want: false, // mismatching filter type597 }, {598 x: &testpb.TestAllTypes{OptionalNestedEnum: testpb.TestAllTypes_FOO.Enum()},599 y: &testpb.TestAllTypes{OptionalNestedEnum: testpb.TestAllTypes_BAR.Enum()},600 opts: cmp.Options{601 Transform(),602 FilterEnum(testpb.TestAllTypes_NestedEnum(0), cmp.Comparer(func(x, y int) bool { return true })),603 },604 want: false, // matching filter type, but mismatching comparer type605 }, {606 x: &testpb.TestAllTypes{OptionalNestedEnum: testpb.TestAllTypes_FOO.Enum()},607 y: &testpb.TestAllTypes{OptionalNestedEnum: testpb.TestAllTypes_BAR.Enum()},608 opts: cmp.Options{609 Transform(),610 FilterEnum(testpb.TestAllTypes_NestedEnum(0), cmp.Comparer(func(x, y testpb.TestAllTypes_NestedEnum) bool { return true })),611 },612 want: false, // matching filter type, but mismatching comparer type613 }, {614 x: &testpb.TestAllTypes{OptionalNestedEnum: testpb.TestAllTypes_FOO.Enum()},615 y: &testpb.TestAllTypes{OptionalNestedEnum: testpb.TestAllTypes_BAR.Enum()},616 opts: cmp.Options{617 Transform(),618 FilterEnum(testpb.TestAllTypes_NestedEnum(0), cmp.Comparer(func(x, y interface{}) bool { return true })),619 },620 want: true,621 }, {622 x: &testpb.TestAllTypes{OptionalNestedEnum: testpb.TestAllTypes_FOO.Enum()},623 y: &testpb.TestAllTypes{OptionalNestedEnum: testpb.TestAllTypes_BAR.Enum()},624 opts: cmp.Options{625 Transform(),626 FilterEnum(testpb.TestAllTypes_NestedEnum(0), cmp.Comparer(func(x, y Enum) bool { return true })),627 },628 want: true,629 }, {630 x: &testpb.TestAllTypes{RepeatedNestedEnum: []testpb.TestAllTypes_NestedEnum{testpb.TestAllTypes_FOO}},631 y: &testpb.TestAllTypes{RepeatedNestedEnum: []testpb.TestAllTypes_NestedEnum{testpb.TestAllTypes_BAR}},632 opts: cmp.Options{Transform()},633 want: false,634 }, {635 x: &testpb.TestAllTypes{RepeatedNestedEnum: []testpb.TestAllTypes_NestedEnum{testpb.TestAllTypes_FOO}},636 y: &testpb.TestAllTypes{RepeatedNestedEnum: []testpb.TestAllTypes_NestedEnum{testpb.TestAllTypes_BAR}},637 opts: cmp.Options{638 Transform(),639 FilterEnum(testpb.ForeignEnum(0), cmp.Comparer(func(x, y interface{}) bool { return true })),640 },641 want: false, // mismatching filter type642 }, {643 x: &testpb.TestAllTypes{RepeatedNestedEnum: []testpb.TestAllTypes_NestedEnum{testpb.TestAllTypes_FOO}},644 y: &testpb.TestAllTypes{RepeatedNestedEnum: []testpb.TestAllTypes_NestedEnum{testpb.TestAllTypes_BAR}},645 opts: cmp.Options{646 Transform(),647 FilterEnum(testpb.TestAllTypes_NestedEnum(0), cmp.Comparer(func(x, y int) bool { return true })),648 },649 want: false, // matching filter type, but mismatching comparer type650 }, {651 x: &testpb.TestAllTypes{RepeatedNestedEnum: []testpb.TestAllTypes_NestedEnum{testpb.TestAllTypes_FOO}},652 y: &testpb.TestAllTypes{RepeatedNestedEnum: []testpb.TestAllTypes_NestedEnum{testpb.TestAllTypes_BAR}},653 opts: cmp.Options{654 Transform(),655 FilterEnum(testpb.TestAllTypes_NestedEnum(0), cmp.Comparer(func(x, y []testpb.TestAllTypes_NestedEnum) bool { return true })),656 },657 want: false, // matching filter type, but mismatching comparer type658 }, {659 x: &testpb.TestAllTypes{RepeatedNestedEnum: []testpb.TestAllTypes_NestedEnum{testpb.TestAllTypes_FOO}},660 y: &testpb.TestAllTypes{RepeatedNestedEnum: []testpb.TestAllTypes_NestedEnum{testpb.TestAllTypes_BAR}},661 opts: cmp.Options{662 Transform(),663 FilterEnum(testpb.TestAllTypes_NestedEnum(0), cmp.Comparer(func(x, y interface{}) bool { return true })),664 },665 want: true,666 }, {667 x: &testpb.TestAllTypes{RepeatedNestedEnum: []testpb.TestAllTypes_NestedEnum{testpb.TestAllTypes_FOO}},668 y: &testpb.TestAllTypes{RepeatedNestedEnum: []testpb.TestAllTypes_NestedEnum{testpb.TestAllTypes_BAR}},669 opts: cmp.Options{670 Transform(),671 FilterEnum(testpb.TestAllTypes_NestedEnum(0), cmp.Comparer(func(x, y []Enum) bool { return true })),672 },673 want: true,674 }, {675 x: &testpb.TestAllTypes{MapStringNestedEnum: map[string]testpb.TestAllTypes_NestedEnum{"k": testpb.TestAllTypes_FOO}},676 y: &testpb.TestAllTypes{MapStringNestedEnum: map[string]testpb.TestAllTypes_NestedEnum{"k": testpb.TestAllTypes_BAR}},677 opts: cmp.Options{Transform()},678 want: false,679 }, {680 x: &testpb.TestAllTypes{MapStringNestedEnum: map[string]testpb.TestAllTypes_NestedEnum{"k": testpb.TestAllTypes_FOO}},681 y: &testpb.TestAllTypes{MapStringNestedEnum: map[string]testpb.TestAllTypes_NestedEnum{"k": testpb.TestAllTypes_BAR}},682 opts: cmp.Options{683 Transform(),684 FilterEnum(testpb.ForeignEnum(0), cmp.Comparer(func(x, y interface{}) bool { return true })),685 },686 want: false, // mismatching filter type687 }, {688 x: &testpb.TestAllTypes{MapStringNestedEnum: map[string]testpb.TestAllTypes_NestedEnum{"k": testpb.TestAllTypes_FOO}},689 y: &testpb.TestAllTypes{MapStringNestedEnum: map[string]testpb.TestAllTypes_NestedEnum{"k": testpb.TestAllTypes_BAR}},690 opts: cmp.Options{691 Transform(),692 FilterEnum(testpb.TestAllTypes_NestedEnum(0), cmp.Comparer(func(x, y int) bool { return true })),693 },694 want: false, // matching filter type, but mismatching comparer type695 }, {696 x: &testpb.TestAllTypes{MapStringNestedEnum: map[string]testpb.TestAllTypes_NestedEnum{"k": testpb.TestAllTypes_FOO}},697 y: &testpb.TestAllTypes{MapStringNestedEnum: map[string]testpb.TestAllTypes_NestedEnum{"k": testpb.TestAllTypes_BAR}},698 opts: cmp.Options{699 Transform(),700 FilterEnum(testpb.TestAllTypes_NestedEnum(0), cmp.Comparer(func(x, y map[string]testpb.TestAllTypes_NestedEnum) bool { return true })),701 },702 want: false, // matching filter type, but mismatching comparer type703 }, {704 x: &testpb.TestAllTypes{MapStringNestedEnum: map[string]testpb.TestAllTypes_NestedEnum{"k": testpb.TestAllTypes_FOO}},705 y: &testpb.TestAllTypes{MapStringNestedEnum: map[string]testpb.TestAllTypes_NestedEnum{"k": testpb.TestAllTypes_BAR}},706 opts: cmp.Options{707 Transform(),708 FilterEnum(testpb.TestAllTypes_NestedEnum(0), cmp.Comparer(func(x, y interface{}) bool { return true })),709 },710 want: true,711 }, {712 x: &testpb.TestAllTypes{MapStringNestedEnum: map[string]testpb.TestAllTypes_NestedEnum{"k": testpb.TestAllTypes_FOO}},713 y: &testpb.TestAllTypes{MapStringNestedEnum: map[string]testpb.TestAllTypes_NestedEnum{"k": testpb.TestAllTypes_BAR}},714 opts: cmp.Options{715 Transform(),716 FilterEnum(testpb.TestAllTypes_NestedEnum(0), cmp.Comparer(func(x, y map[string]Enum) bool { return true })),717 },718 want: true,719 }}...)720 // Test FilterMessage.721 tests = append(tests, []test{{722 x: &testpb.TestAllTypes{OptionalNestedMessage: &testpb.TestAllTypes_NestedMessage{A: proto.Int32(1)}},723 y: &testpb.TestAllTypes{OptionalNestedMessage: &testpb.TestAllTypes_NestedMessage{A: proto.Int32(2)}},724 opts: cmp.Options{Transform()},725 want: false,726 }, {727 x: &testpb.TestAllTypes{OptionalNestedMessage: &testpb.TestAllTypes_NestedMessage{A: proto.Int32(1)}},728 y: &testpb.TestAllTypes{OptionalNestedMessage: &testpb.TestAllTypes_NestedMessage{A: proto.Int32(2)}},729 opts: cmp.Options{730 Transform(),731 FilterMessage(new(testpb.TestAllExtensions), cmp.Comparer(func(x, y interface{}) bool { return true })),732 },733 want: false, // mismatching filter type734 }, {735 x: &testpb.TestAllTypes{OptionalNestedMessage: &testpb.TestAllTypes_NestedMessage{A: proto.Int32(1)}},736 y: &testpb.TestAllTypes{OptionalNestedMessage: &testpb.TestAllTypes_NestedMessage{A: proto.Int32(2)}},737 opts: cmp.Options{738 Transform(),739 FilterMessage(new(testpb.TestAllTypes_NestedMessage), cmp.Comparer(func(x, y int) bool { return true })),740 },741 want: false, // matching filter type, but mismatching comparer type742 }, {743 x: &testpb.TestAllTypes{OptionalNestedMessage: &testpb.TestAllTypes_NestedMessage{A: proto.Int32(1)}},744 y: &testpb.TestAllTypes{OptionalNestedMessage: &testpb.TestAllTypes_NestedMessage{A: proto.Int32(2)}},745 opts: cmp.Options{746 Transform(),747 FilterMessage(new(testpb.TestAllTypes_NestedMessage), cmp.Comparer(func(x, y *testpb.TestAllTypes_NestedMessage) bool { return true })),748 },749 want: false, // matching filter type, but mismatching comparer type750 }, {751 x: &testpb.TestAllTypes{OptionalNestedMessage: &testpb.TestAllTypes_NestedMessage{A: proto.Int32(1)}},752 y: &testpb.TestAllTypes{OptionalNestedMessage: &testpb.TestAllTypes_NestedMessage{A: proto.Int32(2)}},753 opts: cmp.Options{754 Transform(),755 FilterMessage(new(testpb.TestAllTypes_NestedMessage), cmp.Comparer(func(x, y interface{}) bool { return true })),756 },757 want: true,758 }, {759 x: &testpb.TestAllTypes{OptionalNestedMessage: &testpb.TestAllTypes_NestedMessage{A: proto.Int32(1)}},760 y: &testpb.TestAllTypes{OptionalNestedMessage: &testpb.TestAllTypes_NestedMessage{A: proto.Int32(2)}},761 opts: cmp.Options{762 Transform(),763 FilterMessage(new(testpb.TestAllTypes_NestedMessage), cmp.Comparer(func(x, y Message) bool { return true })),764 },765 want: true,766 }, {767 x: &testpb.TestAllTypes{RepeatedNestedMessage: []*testpb.TestAllTypes_NestedMessage{{A: proto.Int32(1)}}},768 y: &testpb.TestAllTypes{RepeatedNestedMessage: []*testpb.TestAllTypes_NestedMessage{{A: proto.Int32(2)}}},769 opts: cmp.Options{Transform()},770 want: false,771 }, {772 x: &testpb.TestAllTypes{RepeatedNestedMessage: []*testpb.TestAllTypes_NestedMessage{{A: proto.Int32(1)}}},773 y: &testpb.TestAllTypes{RepeatedNestedMessage: []*testpb.TestAllTypes_NestedMessage{{A: proto.Int32(2)}}},774 opts: cmp.Options{775 Transform(),776 FilterMessage(new(testpb.TestAllExtensions), cmp.Comparer(func(x, y interface{}) bool { return true })),777 },778 want: false, // mismatching filter type779 }, {780 x: &testpb.TestAllTypes{RepeatedNestedMessage: []*testpb.TestAllTypes_NestedMessage{{A: proto.Int32(1)}}},781 y: &testpb.TestAllTypes{RepeatedNestedMessage: []*testpb.TestAllTypes_NestedMessage{{A: proto.Int32(2)}}},782 opts: cmp.Options{783 Transform(),784 FilterMessage(new(testpb.TestAllTypes_NestedMessage), cmp.Comparer(func(x, y int) bool { return true })),785 },786 want: false, // matching filter type, but mismatching comparer type787 }, {788 x: &testpb.TestAllTypes{RepeatedNestedMessage: []*testpb.TestAllTypes_NestedMessage{{A: proto.Int32(1)}}},789 y: &testpb.TestAllTypes{RepeatedNestedMessage: []*testpb.TestAllTypes_NestedMessage{{A: proto.Int32(2)}}},790 opts: cmp.Options{791 Transform(),792 FilterMessage(new(testpb.TestAllTypes_NestedMessage), cmp.Comparer(func(x, y []*testpb.TestAllTypes_NestedMessage) bool { return true })),793 },794 want: false, // matching filter type, but mismatching comparer type795 }, {796 x: &testpb.TestAllTypes{RepeatedNestedMessage: []*testpb.TestAllTypes_NestedMessage{{A: proto.Int32(1)}}},797 y: &testpb.TestAllTypes{RepeatedNestedMessage: []*testpb.TestAllTypes_NestedMessage{{A: proto.Int32(2)}}},798 opts: cmp.Options{799 Transform(),800 FilterMessage(new(testpb.TestAllTypes_NestedMessage), cmp.Comparer(func(x, y interface{}) bool { return true })),801 },802 want: true,803 }, {804 x: &testpb.TestAllTypes{RepeatedNestedMessage: []*testpb.TestAllTypes_NestedMessage{{A: proto.Int32(1)}}},805 y: &testpb.TestAllTypes{RepeatedNestedMessage: []*testpb.TestAllTypes_NestedMessage{{A: proto.Int32(2)}}},806 opts: cmp.Options{807 Transform(),808 FilterMessage(new(testpb.TestAllTypes_NestedMessage), cmp.Comparer(func(x, y []Message) bool { return true })),809 },810 want: true,811 }, {812 x: &testpb.TestAllTypes{MapStringNestedMessage: map[string]*testpb.TestAllTypes_NestedMessage{"k": {A: proto.Int32(1)}}},813 y: &testpb.TestAllTypes{MapStringNestedMessage: map[string]*testpb.TestAllTypes_NestedMessage{"k": {A: proto.Int32(2)}}},814 opts: cmp.Options{Transform()},815 want: false,816 }, {817 x: &testpb.TestAllTypes{MapStringNestedMessage: map[string]*testpb.TestAllTypes_NestedMessage{"k": {A: proto.Int32(1)}}},818 y: &testpb.TestAllTypes{MapStringNestedMessage: map[string]*testpb.TestAllTypes_NestedMessage{"k": {A: proto.Int32(2)}}},819 opts: cmp.Options{820 Transform(),821 FilterMessage(new(testpb.TestAllExtensions), cmp.Comparer(func(x, y interface{}) bool { return true })),822 },823 want: false, // mismatching filter type824 }, {825 x: &testpb.TestAllTypes{MapStringNestedMessage: map[string]*testpb.TestAllTypes_NestedMessage{"k": {A: proto.Int32(1)}}},826 y: &testpb.TestAllTypes{MapStringNestedMessage: map[string]*testpb.TestAllTypes_NestedMessage{"k": {A: proto.Int32(2)}}},827 opts: cmp.Options{828 Transform(),829 FilterMessage(new(testpb.TestAllTypes_NestedMessage), cmp.Comparer(func(x, y int) bool { return true })),830 },831 want: false, // matching filter type, but mismatching comparer type832 }, {833 x: &testpb.TestAllTypes{MapStringNestedMessage: map[string]*testpb.TestAllTypes_NestedMessage{"k": {A: proto.Int32(1)}}},834 y: &testpb.TestAllTypes{MapStringNestedMessage: map[string]*testpb.TestAllTypes_NestedMessage{"k": {A: proto.Int32(2)}}},835 opts: cmp.Options{836 Transform(),837 FilterMessage(new(testpb.TestAllTypes_NestedMessage), cmp.Comparer(func(x, y map[string]*testpb.TestAllTypes_NestedMessage) bool { return true })),838 },839 want: false, // matching filter type, but mismatching comparer type840 }, {841 x: &testpb.TestAllTypes{MapStringNestedMessage: map[string]*testpb.TestAllTypes_NestedMessage{"k": {A: proto.Int32(1)}}},842 y: &testpb.TestAllTypes{MapStringNestedMessage: map[string]*testpb.TestAllTypes_NestedMessage{"k": {A: proto.Int32(2)}}},843 opts: cmp.Options{844 Transform(),845 FilterMessage(new(testpb.TestAllTypes_NestedMessage), cmp.Comparer(func(x, y interface{}) bool { return true })),846 },847 want: true,848 }, {849 x: &testpb.TestAllTypes{MapStringNestedMessage: map[string]*testpb.TestAllTypes_NestedMessage{"k": {A: proto.Int32(1)}}},850 y: &testpb.TestAllTypes{MapStringNestedMessage: map[string]*testpb.TestAllTypes_NestedMessage{"k": {A: proto.Int32(2)}}},851 opts: cmp.Options{852 Transform(),853 FilterMessage(new(testpb.TestAllTypes_NestedMessage), cmp.Comparer(func(x, y map[string]Message) bool { return true })),854 },855 want: true,856 }}...)857 // Test FilterField.858 tests = append(tests, []test{{859 x: &testpb.TestAllTypes{OptionalInt32: proto.Int32(1)},860 y: &testpb.TestAllTypes{OptionalInt32: proto.Int32(2)},861 opts: cmp.Options{Transform()},862 want: false,863 }, {864 x: &testpb.TestAllTypes{OptionalInt32: proto.Int32(1)},865 y: &testpb.TestAllTypes{OptionalInt32: proto.Int32(2)},866 opts: cmp.Options{867 Transform(),868 FilterField(new(testpb.TestAllTypes), "optional_int64", cmp.Comparer(func(x, y interface{}) bool { return true })),869 },870 want: false, // mismatching filter name871 }, {872 x: &testpb.TestAllTypes{OptionalInt32: proto.Int32(1)},873 y: &testpb.TestAllTypes{OptionalInt32: proto.Int32(2)},874 opts: cmp.Options{875 Transform(),876 FilterField(new(testpb.TestAllTypes), "optional_int32", cmp.Comparer(func(x, y int64) bool { return true })),877 },878 want: false, // matching filter name, but mismatching comparer type879 }, {880 x: &testpb.TestAllTypes{OptionalInt32: proto.Int32(1)},881 y: &testpb.TestAllTypes{OptionalInt32: proto.Int32(2)},882 opts: cmp.Options{883 Transform(),884 FilterField(new(testpb.TestAllTypes), "optional_int32", cmp.Comparer(func(x, y interface{}) bool { return true })),885 },886 want: true,887 }, {888 x: &testpb.TestAllTypes{OptionalInt32: proto.Int32(1)},889 y: &testpb.TestAllTypes{OptionalInt32: proto.Int32(2)},890 opts: cmp.Options{891 Transform(),892 FilterField(new(testpb.TestAllTypes), "optional_int32", cmp.Comparer(func(x, y int32) bool { return true })),893 },894 want: true,895 }, {896 x: &testpb.TestAllTypes{RepeatedInt32: []int32{1}},897 y: &testpb.TestAllTypes{RepeatedInt32: []int32{2}},898 opts: cmp.Options{Transform()},899 want: false,900 }, {901 x: &testpb.TestAllTypes{RepeatedInt32: []int32{1}},902 y: &testpb.TestAllTypes{RepeatedInt32: []int32{2}},903 opts: cmp.Options{904 Transform(),905 FilterField(new(testpb.TestAllTypes), "repeated_int64", cmp.Comparer(func(x, y interface{}) bool { return true })),906 },907 want: false, // mismatching filter name908 }, {909 x: &testpb.TestAllTypes{RepeatedInt32: []int32{1}},910 y: &testpb.TestAllTypes{RepeatedInt32: []int32{2}},911 opts: cmp.Options{912 Transform(),913 FilterField(new(testpb.TestAllTypes), "repeated_int32", cmp.Comparer(func(x, y []int64) bool { return true })),914 },915 want: false, // matching filter name, but mismatching comparer type916 }, {917 x: &testpb.TestAllTypes{RepeatedInt32: []int32{1}},918 y: &testpb.TestAllTypes{RepeatedInt32: []int32{2}},919 opts: cmp.Options{920 Transform(),921 FilterField(new(testpb.TestAllTypes), "repeated_int32", cmp.Comparer(func(x, y interface{}) bool { return true })),922 },923 want: true,924 }, {925 x: &testpb.TestAllTypes{RepeatedInt32: []int32{1}},926 y: &testpb.TestAllTypes{RepeatedInt32: []int32{2}},927 opts: cmp.Options{928 Transform(),929 FilterField(new(testpb.TestAllTypes), "repeated_int32", cmp.Comparer(func(x, y []int32) bool { return true })),930 },931 want: true,932 }, {933 x: &testpb.TestAllTypes{MapInt32Int32: map[int32]int32{1: 1}},934 y: &testpb.TestAllTypes{MapInt32Int32: map[int32]int32{2: 2}},935 opts: cmp.Options{Transform()},936 want: false,937 }, {938 x: &testpb.TestAllTypes{MapInt32Int32: map[int32]int32{1: 1}},939 y: &testpb.TestAllTypes{MapInt32Int32: map[int32]int32{2: 2}},940 opts: cmp.Options{941 Transform(),942 FilterField(new(testpb.TestAllTypes), "map_int64_int64", cmp.Comparer(func(x, y interface{}) bool { return true })),943 },944 want: false, // mismatching filter name945 }, {946 x: &testpb.TestAllTypes{MapInt32Int32: map[int32]int32{1: 1}},947 y: &testpb.TestAllTypes{MapInt32Int32: map[int32]int32{2: 2}},948 opts: cmp.Options{949 Transform(),950 FilterField(new(testpb.TestAllTypes), "map_int32_int32", cmp.Comparer(func(x, y map[int64]int64) bool { return true })),951 },952 want: false, // matching filter name, but mismatching comparer type953 }, {954 x: &testpb.TestAllTypes{MapInt32Int32: map[int32]int32{1: 1}},955 y: &testpb.TestAllTypes{MapInt32Int32: map[int32]int32{2: 2}},956 opts: cmp.Options{957 Transform(),958 FilterField(new(testpb.TestAllTypes), "map_int32_int32", cmp.Comparer(func(x, y interface{}) bool { return true })),959 },960 want: true,961 }, {962 x: &testpb.TestAllTypes{MapInt32Int32: map[int32]int32{1: 1}},963 y: &testpb.TestAllTypes{MapInt32Int32: map[int32]int32{2: 2}},964 opts: cmp.Options{965 Transform(),966 FilterField(new(testpb.TestAllTypes), "map_int32_int32", cmp.Comparer(func(x, y map[int32]int32) bool { return true })),967 },968 want: true,969 }}...)970 // Test FilterOneof971 tests = append(tests, []test{{972 x: &testpb.TestAllTypes{OneofField: &testpb.TestAllTypes_OneofUint32{1}},973 y: &testpb.TestAllTypes{OneofField: &testpb.TestAllTypes_OneofUint32{2}},974 opts: cmp.Options{Transform()},975 want: false,976 }, {977 x: &testpb.TestAllTypes{OneofField: &testpb.TestAllTypes_OneofUint32{1}},978 y: &testpb.TestAllTypes{OneofField: &testpb.TestAllTypes_OneofUint32{2}},979 opts: cmp.Options{980 Transform(),981 FilterOneof(new(testpb.TestAllTypes), "oneof_optional", cmp.Comparer(func(x, y interface{}) bool { return true })),982 },983 want: false, // mismatching filter name984 }, {985 x: &testpb.TestAllTypes{OneofField: &testpb.TestAllTypes_OneofUint32{1}},986 y: &testpb.TestAllTypes{OneofField: &testpb.TestAllTypes_OneofUint32{2}},987 opts: cmp.Options{988 Transform(),989 FilterOneof(new(testpb.TestAllTypes), "oneof_field", cmp.Comparer(func(x, y string) bool { return true })),990 },991 want: false, // matching filter name, but mismatching comparer type992 }, {993 x: &testpb.TestAllTypes{OneofField: &testpb.TestAllTypes_OneofUint32{1}},994 y: &testpb.TestAllTypes{OneofField: &testpb.TestAllTypes_OneofUint32{2}},995 opts: cmp.Options{996 Transform(),997 FilterOneof(new(testpb.TestAllTypes), "oneof_field", cmp.Comparer(func(x, y uint32) bool { return true })),998 },999 want: true,1000 }, {1001 x: &testpb.TestAllTypes{OneofField: &testpb.TestAllTypes_OneofUint32{1}},1002 y: &testpb.TestAllTypes{OneofField: &testpb.TestAllTypes_OneofUint32{2}},1003 opts: cmp.Options{1004 Transform(),1005 FilterOneof(new(testpb.TestAllTypes), "oneof_field", cmp.Comparer(func(x, y interface{}) bool { return true })),1006 },1007 want: true,1008 }}...)1009 // Test SortRepeated.1010 type higherOrderType struct {1011 M *testpb.TestAllTypes1012 I32s []int321013 Es []testpb.TestAllTypes_NestedEnum1014 Ms []*testpb.ForeignMessage1015 }1016 tests = append(tests, []test{{1017 x: &testpb.TestAllTypes{RepeatedInt32: []int32{3, 2, 1, 2, 3, 3}},1018 y: &testpb.TestAllTypes{RepeatedInt32: []int32{2, 3, 3, 2, 1, 3}},1019 opts: cmp.Options{Transform()},1020 want: false,1021 }, {1022 x: &testpb.TestAllTypes{RepeatedInt32: []int32{3, 2, 1, 2, 3, 3}},1023 y: &testpb.TestAllTypes{RepeatedInt32: []int32{2, 3, 3, 2, 1, 3}},1024 opts: cmp.Options{1025 Transform(),1026 SortRepeated(func(x, y int32) bool { return x < y }),1027 },1028 want: true,1029 }, {1030 x: higherOrderType{1031 M: &testpb.TestAllTypes{RepeatedInt32: []int32{3, 2, 1, 2, 3, 3}},1032 I32s: []int32{3, 2, 1, 2, 3, 3},1033 },1034 y: higherOrderType{1035 M: &testpb.TestAllTypes{RepeatedInt32: []int32{2, 3, 3, 2, 1, 3}},1036 I32s: []int32{2, 3, 3, 2, 1, 3},1037 },1038 opts: cmp.Options{1039 Transform(),1040 SortRepeated(func(x, y int32) bool { return x < y }),1041 },1042 want: false, // sort does not apply to []int32 outside of a message1043 }, {1044 x: &testpb.TestAllTypes{RepeatedInt32: []int32{3, 2, 1, 2, 3, 3}},1045 y: &testpb.TestAllTypes{RepeatedInt32: []int32{2, 3, 3, 2, 1, 3}},1046 opts: cmp.Options{1047 Transform(),1048 SortRepeated(func(x, y int64) bool { return x < y }),1049 },1050 want: false, // wrong sort type: int32 != int641051 }, {1052 x: &testpb.TestAllTypes{RepeatedNestedEnum: []testpb.TestAllTypes_NestedEnum{testpb.TestAllTypes_FOO, testpb.TestAllTypes_BAR, testpb.TestAllTypes_BAZ}},1053 y: &testpb.TestAllTypes{RepeatedNestedEnum: []testpb.TestAllTypes_NestedEnum{testpb.TestAllTypes_BAR, testpb.TestAllTypes_FOO, testpb.TestAllTypes_BAZ}},1054 opts: cmp.Options{Transform()},1055 want: false,1056 }, {1057 x: &testpb.TestAllTypes{RepeatedNestedEnum: []testpb.TestAllTypes_NestedEnum{testpb.TestAllTypes_FOO, testpb.TestAllTypes_BAR, testpb.TestAllTypes_BAZ}},1058 y: &testpb.TestAllTypes{RepeatedNestedEnum: []testpb.TestAllTypes_NestedEnum{testpb.TestAllTypes_BAR, testpb.TestAllTypes_FOO, testpb.TestAllTypes_BAZ}},1059 opts: cmp.Options{1060 Transform(),1061 SortRepeated(func(x, y testpb.TestAllTypes_NestedEnum) bool { return x < y }),1062 },1063 want: true,1064 }, {1065 x: higherOrderType{1066 M: &testpb.TestAllTypes{RepeatedNestedEnum: []testpb.TestAllTypes_NestedEnum{testpb.TestAllTypes_FOO, testpb.TestAllTypes_BAR, testpb.TestAllTypes_BAZ}},1067 Es: []testpb.TestAllTypes_NestedEnum{testpb.TestAllTypes_FOO, testpb.TestAllTypes_BAR, testpb.TestAllTypes_BAZ},1068 },1069 y: higherOrderType{1070 M: &testpb.TestAllTypes{RepeatedNestedEnum: []testpb.TestAllTypes_NestedEnum{testpb.TestAllTypes_BAR, testpb.TestAllTypes_FOO, testpb.TestAllTypes_BAZ}},1071 Es: []testpb.TestAllTypes_NestedEnum{testpb.TestAllTypes_BAR, testpb.TestAllTypes_FOO, testpb.TestAllTypes_BAZ},1072 },1073 opts: cmp.Options{1074 Transform(),1075 SortRepeated(func(x, y testpb.TestAllTypes_NestedEnum) bool { return x < y }),1076 },1077 want: false, // sort does not apply to []testpb.TestAllTypes_NestedEnum outside of a message1078 }, {1079 x: &testpb.TestAllTypes{RepeatedNestedEnum: []testpb.TestAllTypes_NestedEnum{testpb.TestAllTypes_FOO, testpb.TestAllTypes_BAR, testpb.TestAllTypes_BAZ}},1080 y: &testpb.TestAllTypes{RepeatedNestedEnum: []testpb.TestAllTypes_NestedEnum{testpb.TestAllTypes_BAR, testpb.TestAllTypes_FOO, testpb.TestAllTypes_BAZ}},1081 opts: cmp.Options{1082 Transform(),1083 SortRepeated(func(x, y testpb.ForeignEnum) bool { return x < y }),1084 },1085 want: false, // wrong sort type: testpb.TestAllTypes_NestedEnum != testpb.ForeignEnum1086 }, {1087 x: &testpb.TestAllTypes{RepeatedForeignMessage: []*testpb.ForeignMessage{{}, {C: proto.Int32(3)}, nil, {C: proto.Int32(3)}, {C: proto.Int32(5)}, {C: proto.Int32(4)}}},1088 y: &testpb.TestAllTypes{RepeatedForeignMessage: []*testpb.ForeignMessage{nil, {C: proto.Int32(3)}, {}, {C: proto.Int32(4)}, {C: proto.Int32(3)}, {C: proto.Int32(5)}}},1089 opts: cmp.Options{Transform()},1090 want: false,1091 }, {1092 x: &testpb.TestAllTypes{RepeatedForeignMessage: []*testpb.ForeignMessage{{}, {C: proto.Int32(3)}, nil, {C: proto.Int32(3)}, {C: proto.Int32(5)}, {C: proto.Int32(4)}}},1093 y: &testpb.TestAllTypes{RepeatedForeignMessage: []*testpb.ForeignMessage{nil, {C: proto.Int32(3)}, {}, {C: proto.Int32(4)}, {C: proto.Int32(3)}, {C: proto.Int32(5)}}},1094 opts: cmp.Options{1095 Transform(),1096 SortRepeated(func(x, y *testpb.ForeignMessage) bool { return x.GetC() < y.GetC() }),1097 },1098 want: true,1099 }, {1100 x: higherOrderType{1101 M: &testpb.TestAllTypes{RepeatedForeignMessage: []*testpb.ForeignMessage{{}, {C: proto.Int32(3)}, nil, {C: proto.Int32(3)}, {C: proto.Int32(5)}, {C: proto.Int32(4)}}},1102 Ms: []*testpb.ForeignMessage{{}, {C: proto.Int32(3)}, nil, {C: proto.Int32(3)}, {C: proto.Int32(5)}, {C: proto.Int32(4)}},1103 },1104 y: higherOrderType{1105 M: &testpb.TestAllTypes{RepeatedForeignMessage: []*testpb.ForeignMessage{nil, {C: proto.Int32(3)}, {}, {C: proto.Int32(4)}, {C: proto.Int32(3)}, {C: proto.Int32(5)}}},1106 Ms: []*testpb.ForeignMessage{nil, {C: proto.Int32(3)}, {}, {C: proto.Int32(4)}, {C: proto.Int32(3)}, {C: proto.Int32(5)}},1107 },1108 opts: cmp.Options{1109 Transform(),1110 SortRepeated(func(x, y *testpb.ForeignMessage) bool { return x.GetC() < y.GetC() }),1111 },1112 want: false, // sort does not apply to []*testpb.ForeignMessage outside of a message1113 }, {1114 x: &testpb.TestAllTypes{RepeatedForeignMessage: []*testpb.ForeignMessage{{}, {C: proto.Int32(3)}, nil, {C: proto.Int32(3)}, {C: proto.Int32(5)}, {C: proto.Int32(4)}}},1115 y: &testpb.TestAllTypes{RepeatedForeignMessage: []*testpb.ForeignMessage{nil, {C: proto.Int32(3)}, {}, {C: proto.Int32(4)}, {C: proto.Int32(3)}, {C: proto.Int32(5)}}},1116 opts: cmp.Options{1117 Transform(),1118 SortRepeated(func(x, y *testpb.TestAllTypes_NestedMessage) bool { return x.GetA() < y.GetA() }),1119 },1120 want: false, // wrong sort type: *testpb.ForeignMessage != *testpb.TestAllTypes_NestedMessage1121 }, {1122 x: &testpb.TestAllTypes{1123 RepeatedInt32: []int32{-32, +32},1124 RepeatedSint32: []int32{-32, +32},1125 RepeatedSfixed32: []int32{-32, +32},1126 RepeatedInt64: []int64{-64, +64},1127 RepeatedSint64: []int64{-64, +64},1128 RepeatedSfixed64: []int64{-64, +64},1129 RepeatedUint32: []uint32{0, 32},1130 RepeatedFixed32: []uint32{0, 32},1131 RepeatedUint64: []uint64{0, 64},1132 RepeatedFixed64: []uint64{0, 64},1133 },1134 y: &testpb.TestAllTypes{1135 RepeatedInt32: []int32{+32, -32},1136 RepeatedSint32: []int32{+32, -32},1137 RepeatedSfixed32: []int32{+32, -32},1138 RepeatedInt64: []int64{+64, -64},1139 RepeatedSint64: []int64{+64, -64},1140 RepeatedSfixed64: []int64{+64, -64},1141 RepeatedUint32: []uint32{32, 0},1142 RepeatedFixed32: []uint32{32, 0},1143 RepeatedUint64: []uint64{64, 0},1144 RepeatedFixed64: []uint64{64, 0},1145 },1146 opts: cmp.Options{1147 Transform(),1148 SortRepeated(func(x, y int32) bool { return x < y }),1149 SortRepeated(func(x, y int64) bool { return x < y }),1150 SortRepeated(func(x, y uint32) bool { return x < y }),1151 SortRepeated(func(x, y uint64) bool { return x < y }),1152 },1153 want: true,1154 }}...)1155 // Test SortRepeatedFields.1156 tests = append(tests, []test{{1157 x: &testpb.TestAllTypes{RepeatedInt32: []int32{3, 2, 1, 2, 3, 3}},1158 y: &testpb.TestAllTypes{RepeatedInt32: []int32{2, 3, 3, 2, 1, 3}},1159 opts: cmp.Options{Transform()},1160 want: false,1161 }, {1162 x: &testpb.TestAllTypes{RepeatedInt32: []int32{3, 2, 1, 2, 3, 3}},1163 y: &testpb.TestAllTypes{RepeatedInt32: []int32{2, 3, 3, 2, 1, 3}},1164 opts: cmp.Options{1165 Transform(),1166 SortRepeatedFields(new(testpb.TestAllTypes), "repeated_int32"),1167 },1168 want: true,1169 }, {1170 x: &testpb.TestAllTypes{RepeatedInt32: []int32{3, 2, 1, 2, 3, 3}},1171 y: &testpb.TestAllTypes{RepeatedInt32: []int32{2, 3, 3, 2, 1, 3}},1172 opts: cmp.Options{1173 Transform(),1174 SortRepeatedFields(new(testpb.TestAllTypes), "repeated_int64"),1175 },1176 want: false, // wrong field: repeated_int32 != repeated_int641177 }, {1178 x: &testpb.TestAllTypes{RepeatedNestedEnum: []testpb.TestAllTypes_NestedEnum{testpb.TestAllTypes_FOO, testpb.TestAllTypes_BAR, testpb.TestAllTypes_BAZ}},1179 y: &testpb.TestAllTypes{RepeatedNestedEnum: []testpb.TestAllTypes_NestedEnum{testpb.TestAllTypes_BAR, testpb.TestAllTypes_FOO, testpb.TestAllTypes_BAZ}},1180 opts: cmp.Options{Transform()},1181 want: false,1182 }, {1183 x: &testpb.TestAllTypes{RepeatedNestedEnum: []testpb.TestAllTypes_NestedEnum{testpb.TestAllTypes_FOO, testpb.TestAllTypes_BAR, testpb.TestAllTypes_BAZ}},1184 y: &testpb.TestAllTypes{RepeatedNestedEnum: []testpb.TestAllTypes_NestedEnum{testpb.TestAllTypes_BAR, testpb.TestAllTypes_FOO, testpb.TestAllTypes_BAZ}},1185 opts: cmp.Options{1186 Transform(),1187 SortRepeatedFields(new(testpb.TestAllTypes), "repeated_nested_enum"),1188 },1189 want: true,1190 }, {1191 x: &testpb.TestAllTypes{RepeatedNestedEnum: []testpb.TestAllTypes_NestedEnum{testpb.TestAllTypes_FOO, testpb.TestAllTypes_BAR, testpb.TestAllTypes_BAZ}},1192 y: &testpb.TestAllTypes{RepeatedNestedEnum: []testpb.TestAllTypes_NestedEnum{testpb.TestAllTypes_BAR, testpb.TestAllTypes_FOO, testpb.TestAllTypes_BAZ}},1193 opts: cmp.Options{1194 Transform(),1195 SortRepeatedFields(new(testpb.TestAllTypes), "repeated_foreign_enum"),1196 },1197 want: false, // wrong field: repeated_nested_enum != repeated_foreign_enum1198 }, {1199 x: &testpb.TestAllTypes{RepeatedForeignMessage: []*testpb.ForeignMessage{{}, {C: proto.Int32(3)}, nil, {C: proto.Int32(3)}, {C: proto.Int32(5)}, {C: proto.Int32(4)}}},1200 y: &testpb.TestAllTypes{RepeatedForeignMessage: []*testpb.ForeignMessage{nil, {C: proto.Int32(3)}, {}, {C: proto.Int32(4)}, {C: proto.Int32(3)}, {C: proto.Int32(5)}}},1201 opts: cmp.Options{Transform()},1202 want: false,1203 }, {1204 x: &testpb.TestAllTypes{RepeatedForeignMessage: []*testpb.ForeignMessage{{}, {C: proto.Int32(3)}, nil, {C: proto.Int32(3)}, {C: proto.Int32(5)}, {C: proto.Int32(4)}}},1205 y: &testpb.TestAllTypes{RepeatedForeignMessage: []*testpb.ForeignMessage{nil, {C: proto.Int32(3)}, {}, {C: proto.Int32(4)}, {C: proto.Int32(3)}, {C: proto.Int32(5)}}},1206 opts: cmp.Options{1207 Transform(),1208 SortRepeatedFields(new(testpb.TestAllTypes), "repeated_foreign_message"),1209 },1210 want: true,1211 }, {1212 x: &testpb.TestAllTypes{RepeatedForeignMessage: []*testpb.ForeignMessage{{}, {C: proto.Int32(3)}, nil, {C: proto.Int32(3)}, {C: proto.Int32(5)}, {C: proto.Int32(4)}}},1213 y: &testpb.TestAllTypes{RepeatedForeignMessage: []*testpb.ForeignMessage{nil, {C: proto.Int32(3)}, {}, {C: proto.Int32(4)}, {C: proto.Int32(3)}, {C: proto.Int32(5)}}},1214 opts: cmp.Options{1215 Transform(),1216 SortRepeatedFields(new(testpb.TestAllTypes), "repeated_nested_message"),1217 },1218 want: false, // wrong field: repeated_foreign_message != repeated_nested_message1219 }, {1220 x: &testpb.TestAllTypes{1221 RepeatedBool: []bool{false, true},1222 RepeatedInt32: []int32{-32, +32},1223 RepeatedInt64: []int64{-64, +64},1224 RepeatedUint32: []uint32{0, 32},1225 RepeatedUint64: []uint64{0, 64},1226 RepeatedFloat: []float32{-32.32, +32.32},1227 RepeatedDouble: []float64{-64.64, +64.64},1228 RepeatedString: []string{"hello", "world"},1229 RepeatedBytes: [][]byte{[]byte("hello"), []byte("world")},1230 RepeatedForeignEnum: []testpb.ForeignEnum{testpb.ForeignEnum_FOREIGN_FOO, testpb.ForeignEnum_FOREIGN_BAR},1231 RepeatedForeignMessage: []*testpb.ForeignMessage{{C: proto.Int32(-1)}, {C: proto.Int32(+1)}},1232 },1233 y: &testpb.TestAllTypes{1234 RepeatedBool: []bool{true, false},1235 RepeatedInt32: []int32{+32, -32},1236 RepeatedInt64: []int64{+64, -64},1237 RepeatedUint32: []uint32{32, 0},1238 RepeatedUint64: []uint64{64, 0},1239 RepeatedFloat: []float32{+32.32, -32.32},1240 RepeatedDouble: []float64{+64.64, -64.64},1241 RepeatedString: []string{"world", "hello"},1242 RepeatedBytes: [][]byte{[]byte("world"), []byte("hello")},1243 RepeatedForeignEnum: []testpb.ForeignEnum{testpb.ForeignEnum_FOREIGN_BAR, testpb.ForeignEnum_FOREIGN_FOO},1244 RepeatedForeignMessage: []*testpb.ForeignMessage{{C: proto.Int32(+1)}, {C: proto.Int32(-1)}},1245 },1246 opts: cmp.Options{1247 Transform(),1248 SortRepeatedFields(new(testpb.TestAllTypes),1249 "repeated_bool",1250 "repeated_int32",1251 "repeated_int64",1252 "repeated_uint32",1253 "repeated_uint64",1254 "repeated_float",1255 "repeated_double",...

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parser.go

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...16)17type parser struct {18 scanner scanner.Scanner19 tok rune // current token20 lit string // literal string; only valid for Ident, Int, String tokens21 pkgpath string // package path of imported package22 pkgname string // name of imported package23 pkg *types.Package // reference to imported package24 imports map[string]*types.Package // package path -> package object25 typeMap map[int]types.Type // type number -> type26 initdata InitData // package init priority data27}28func (p *parser) init(filename string, src io.Reader, imports map[string]*types.Package) {29 p.scanner.Init(src)30 p.scanner.Error = func(_ *scanner.Scanner, msg string) { p.error(msg) }31 p.scanner.Mode = scanner.ScanIdents | scanner.ScanInts | scanner.ScanFloats | scanner.ScanStrings | scanner.ScanComments | scanner.SkipComments32 p.scanner.Whitespace = 1<<'\t' | 1<<'\n' | 1<<' '33 p.scanner.Filename = filename // for good error messages34 p.next()35 p.imports = imports36 p.typeMap = make(map[int]types.Type)37}38type importError struct {39 pos scanner.Position40 err error41}42func (e importError) Error() string {43 return fmt.Sprintf("import error %s (byte offset = %d): %s", e.pos, e.pos.Offset, e.err)44}45func (p *parser) error(err interface{}) {46 if s, ok := err.(string); ok {47 err = errors.New(s)48 }49 // panic with a runtime.Error if err is not an error50 panic(importError{p.scanner.Pos(), err.(error)})51}52func (p *parser) errorf(format string, args ...interface{}) {53 p.error(fmt.Errorf(format, args...))54}55func (p *parser) expect(tok rune) string {56 lit := p.lit57 if p.tok != tok {58 p.errorf("expected %s, got %s (%s)", scanner.TokenString(tok), scanner.TokenString(p.tok), lit)59 }60 p.next()61 return lit62}63func (p *parser) expectKeyword(keyword string) {64 lit := p.expect(scanner.Ident)65 if lit != keyword {66 p.errorf("expected keyword %s, got %q", keyword, lit)67 }68}69func (p *parser) parseString() string {70 str, err := strconv.Unquote(p.expect(scanner.String))71 if err != nil {72 p.error(err)73 }74 return str75}76// unquotedString = { unquotedStringChar } .77// unquotedStringChar = <neither a whitespace nor a ';' char> .78func (p *parser) parseUnquotedString() string {79 if p.tok == scanner.EOF {80 p.error("unexpected EOF")81 }82 var buf bytes.Buffer83 buf.WriteString(p.scanner.TokenText())84 // This loop needs to examine each character before deciding whether to consume it. If we see a semicolon,85 // we need to let it be consumed by p.next().86 for ch := p.scanner.Peek(); ch != ';' && ch != scanner.EOF && p.scanner.Whitespace&(1<<uint(ch)) == 0; ch = p.scanner.Peek() {87 buf.WriteRune(ch)88 p.scanner.Next()89 }90 p.next()91 return buf.String()92}93func (p *parser) next() {94 p.tok = p.scanner.Scan()95 switch p.tok {96 case scanner.Ident, scanner.Int, scanner.Float, scanner.String, '·':97 p.lit = p.scanner.TokenText()98 default:99 p.lit = ""100 }101}102func (p *parser) parseQualifiedName() (path, name string) {103 return p.parseQualifiedNameStr(p.parseString())104}105func (p *parser) parseUnquotedQualifiedName() (path, name string) {106 return p.parseQualifiedNameStr(p.parseUnquotedString())107}108// qualifiedName = [ ["."] unquotedString "." ] unquotedString .109//110// The above production uses greedy matching.111func (p *parser) parseQualifiedNameStr(unquotedName string) (pkgpath, name string) {112 parts := strings.Split(unquotedName, ".")113 if parts[0] == "" {114 parts = parts[1:]115 }116 switch len(parts) {117 case 0:118 p.errorf("malformed qualified name: %q", unquotedName)119 case 1:120 // unqualified name121 pkgpath = p.pkgpath122 name = parts[0]123 default:124 // qualified name, which may contain periods125 pkgpath = strings.Join(parts[0:len(parts)-1], ".")126 name = parts[len(parts)-1]127 }128 return129}130// getPkg returns the package for a given path. If the package is131// not found but we have a package name, create the package and132// add it to the p.imports map.133//134func (p *parser) getPkg(pkgpath, name string) *types.Package {135 // package unsafe is not in the imports map - handle explicitly136 if pkgpath == "unsafe" {137 return types.Unsafe138 }139 pkg := p.imports[pkgpath]140 if pkg == nil && name != "" {141 pkg = types.NewPackage(pkgpath, name)142 p.imports[pkgpath] = pkg143 }144 return pkg145}146// parseExportedName is like parseQualifiedName, but147// the package path is resolved to an imported *types.Package.148//149// ExportedName = string [string] .150func (p *parser) parseExportedName() (pkg *types.Package, name string) {151 path, name := p.parseQualifiedName()152 var pkgname string153 if p.tok == scanner.String {154 pkgname = p.parseString()155 }156 pkg = p.getPkg(path, pkgname)157 if pkg == nil {158 p.errorf("package %s (path = %q) not found", name, path)159 }160 return161}162// Name = QualifiedName | "?" .163func (p *parser) parseName() string {164 if p.tok == '?' {165 // Anonymous.166 p.next()167 return ""168 }169 // The package path is redundant for us. Don't try to parse it.170 _, name := p.parseUnquotedQualifiedName()171 return name172}173func deref(typ types.Type) types.Type {174 if p, _ := typ.(*types.Pointer); p != nil {175 typ = p.Elem()176 }177 return typ178}179// Field = Name Type [string] .180func (p *parser) parseField(pkg *types.Package) (field *types.Var, tag string) {181 name := p.parseName()182 typ := p.parseType(pkg)183 anon := false184 if name == "" {185 anon = true186 switch typ := deref(typ).(type) {187 case *types.Basic:188 name = typ.Name()189 case *types.Named:190 name = typ.Obj().Name()191 default:192 p.error("anonymous field expected")193 }194 }195 field = types.NewField(token.NoPos, pkg, name, typ, anon)196 if p.tok == scanner.String {197 tag = p.parseString()198 }199 return200}201// Param = Name ["..."] Type .202func (p *parser) parseParam(pkg *types.Package) (param *types.Var, isVariadic bool) {203 name := p.parseName()204 if p.tok == '.' {205 p.next()206 p.expect('.')207 p.expect('.')208 isVariadic = true209 }210 typ := p.parseType(pkg)211 if isVariadic {212 typ = types.NewSlice(typ)213 }214 param = types.NewParam(token.NoPos, pkg, name, typ)215 return216}217// Var = Name Type .218func (p *parser) parseVar(pkg *types.Package) *types.Var {219 name := p.parseName()220 return types.NewVar(token.NoPos, pkg, name, p.parseType(pkg))221}222// ConstValue = string | "false" | "true" | ["-"] (int ["'"] | FloatOrComplex) .223// FloatOrComplex = float ["i" | ("+"|"-") float "i"] .224func (p *parser) parseConstValue() (val exact.Value, typ types.Type) {225 switch p.tok {226 case scanner.String:227 str := p.parseString()228 val = exact.MakeString(str)229 typ = types.Typ[types.UntypedString]230 return231 case scanner.Ident:232 b := false233 switch p.lit {234 case "false":235 case "true":236 b = true237 default:238 p.errorf("expected const value, got %s (%q)", scanner.TokenString(p.tok), p.lit)239 }240 p.next()241 val = exact.MakeBool(b)242 typ = types.Typ[types.UntypedBool]243 return244 }245 sign := ""246 if p.tok == '-' {247 p.next()248 sign = "-"249 }250 switch p.tok {251 case scanner.Int:252 val = exact.MakeFromLiteral(sign+p.lit, token.INT)253 if val == nil {254 p.error("could not parse integer literal")255 }256 p.next()257 if p.tok == '\'' {258 p.next()259 typ = types.Typ[types.UntypedRune]260 } else {261 typ = types.Typ[types.UntypedInt]262 }263 case scanner.Float:264 re := sign + p.lit265 p.next()266 var im string267 switch p.tok {268 case '+':269 p.next()270 im = p.expect(scanner.Float)271 case '-':272 p.next()273 im = "-" + p.expect(scanner.Float)274 case scanner.Ident:275 // re is in fact the imaginary component. Expect "i" below.276 im = re277 re = "0"278 default:279 val = exact.MakeFromLiteral(re, token.FLOAT)280 if val == nil {281 p.error("could not parse float literal")282 }283 typ = types.Typ[types.UntypedFloat]284 return285 }286 p.expectKeyword("i")287 reval := exact.MakeFromLiteral(re, token.FLOAT)288 if reval == nil {289 p.error("could not parse real component of complex literal")290 }291 imval := exact.MakeFromLiteral(im+"i", token.IMAG)292 if imval == nil {293 p.error("could not parse imag component of complex literal")294 }295 val = exact.BinaryOp(reval, token.ADD, imval)296 typ = types.Typ[types.UntypedComplex]297 default:298 p.errorf("expected const value, got %s (%q)", scanner.TokenString(p.tok), p.lit)299 }300 return301}302// Const = Name [Type] "=" ConstValue .303func (p *parser) parseConst(pkg *types.Package) *types.Const {304 name := p.parseName()305 var typ types.Type306 if p.tok == '<' {307 typ = p.parseType(pkg)308 }309 p.expect('=')310 val, vtyp := p.parseConstValue()311 if typ == nil {312 typ = vtyp313 }314 return types.NewConst(token.NoPos, pkg, name, typ, val)315}316// TypeName = ExportedName .317func (p *parser) parseTypeName() *types.TypeName {318 pkg, name := p.parseExportedName()319 scope := pkg.Scope()320 if obj := scope.Lookup(name); obj != nil {321 return obj.(*types.TypeName)322 }323 obj := types.NewTypeName(token.NoPos, pkg, name, nil)324 // a named type may be referred to before the underlying type325 // is known - set it up326 types.NewNamed(obj, nil, nil)327 scope.Insert(obj)328 return obj329}330// NamedType = TypeName Type { Method } .331// Method = "func" "(" Param ")" Name ParamList ResultList ";" .332func (p *parser) parseNamedType(n int) types.Type {333 obj := p.parseTypeName()334 pkg := obj.Pkg()335 typ := obj.Type()336 p.typeMap[n] = typ337 nt, ok := typ.(*types.Named)338 if !ok {339 // This can happen for unsafe.Pointer, which is a TypeName holding a Basic type.340 pt := p.parseType(pkg)341 if pt != typ {342 p.error("unexpected underlying type for non-named TypeName")343 }344 return typ345 }346 underlying := p.parseType(pkg)347 if nt.Underlying() == nil {348 nt.SetUnderlying(underlying.Underlying())349 }350 for p.tok == scanner.Ident {351 // collect associated methods352 p.expectKeyword("func")353 p.expect('(')354 receiver, _ := p.parseParam(pkg)355 p.expect(')')356 name := p.parseName()357 params, isVariadic := p.parseParamList(pkg)358 results := p.parseResultList(pkg)359 p.expect(';')360 sig := types.NewSignature(pkg.Scope(), receiver, params, results, isVariadic)361 nt.AddMethod(types.NewFunc(token.NoPos, pkg, name, sig))362 }363 return nt364}365func (p *parser) parseInt() int64 {366 lit := p.expect(scanner.Int)367 n, err := strconv.ParseInt(lit, 10, 0)368 if err != nil {369 p.error(err)370 }371 return n372}373// ArrayOrSliceType = "[" [ int ] "]" Type .374func (p *parser) parseArrayOrSliceType(pkg *types.Package) types.Type {375 p.expect('[')376 if p.tok == ']' {377 p.next()378 return types.NewSlice(p.parseType(pkg))379 }380 n := p.parseInt()381 p.expect(']')382 return types.NewArray(p.parseType(pkg), n)383}384// MapType = "map" "[" Type "]" Type .385func (p *parser) parseMapType(pkg *types.Package) types.Type {386 p.expectKeyword("map")387 p.expect('[')388 key := p.parseType(pkg)389 p.expect(']')390 elem := p.parseType(pkg)391 return types.NewMap(key, elem)392}393// ChanType = "chan" ["<-" | "-<"] Type .394func (p *parser) parseChanType(pkg *types.Package) types.Type {395 p.expectKeyword("chan")396 dir := types.SendRecv397 switch p.tok {398 case '-':399 p.next()400 p.expect('<')401 dir = types.SendOnly402 case '<':403 // don't consume '<' if it belongs to Type404 if p.scanner.Peek() == '-' {405 p.next()406 p.expect('-')407 dir = types.RecvOnly408 }409 }410 return types.NewChan(dir, p.parseType(pkg))411}412// StructType = "struct" "{" { Field } "}" .413func (p *parser) parseStructType(pkg *types.Package) types.Type {414 p.expectKeyword("struct")415 var fields []*types.Var416 var tags []string417 p.expect('{')418 for p.tok != '}' && p.tok != scanner.EOF {419 field, tag := p.parseField(pkg)420 p.expect(';')421 fields = append(fields, field)422 tags = append(tags, tag)423 }424 p.expect('}')425 return types.NewStruct(fields, tags)426}427// ParamList = "(" [ { Parameter "," } Parameter ] ")" .428func (p *parser) parseParamList(pkg *types.Package) (*types.Tuple, bool) {429 var list []*types.Var430 isVariadic := false431 p.expect('(')432 for p.tok != ')' && p.tok != scanner.EOF {433 if len(list) > 0 {434 p.expect(',')435 }436 par, variadic := p.parseParam(pkg)437 list = append(list, par)438 if variadic {439 if isVariadic {440 p.error("... not on final argument")441 }442 isVariadic = true443 }444 }445 p.expect(')')446 return types.NewTuple(list...), isVariadic447}448// ResultList = Type | ParamList .449func (p *parser) parseResultList(pkg *types.Package) *types.Tuple {450 switch p.tok {451 case '<':452 return types.NewTuple(types.NewParam(token.NoPos, pkg, "", p.parseType(pkg)))453 case '(':454 params, _ := p.parseParamList(pkg)455 return params456 default:457 return nil458 }459}460// FunctionType = ParamList ResultList .461func (p *parser) parseFunctionType(pkg *types.Package) *types.Signature {462 params, isVariadic := p.parseParamList(pkg)463 results := p.parseResultList(pkg)464 return types.NewSignature(pkg.Scope(), nil, params, results, isVariadic)465}466// Func = Name FunctionType .467func (p *parser) parseFunc(pkg *types.Package) *types.Func {468 name := p.parseName()469 if strings.ContainsRune(name, '$') {470 // This is a Type$equal or Type$hash function, which we don't want to parse,471 // except for the types.472 p.discardDirectiveWhileParsingTypes(pkg)473 return nil474 }475 return types.NewFunc(token.NoPos, pkg, name, p.parseFunctionType(pkg))476}477// InterfaceType = "interface" "{" { ("?" Type | Func) ";" } "}" .478func (p *parser) parseInterfaceType(pkg *types.Package) types.Type {479 p.expectKeyword("interface")480 var methods []*types.Func481 var typs []*types.Named482 p.expect('{')483 for p.tok != '}' && p.tok != scanner.EOF {484 if p.tok == '?' {485 p.next()486 typs = append(typs, p.parseType(pkg).(*types.Named))487 } else {488 method := p.parseFunc(pkg)489 methods = append(methods, method)490 }491 p.expect(';')492 }493 p.expect('}')494 return types.NewInterface(methods, typs)495}496// PointerType = "*" ("any" | Type) .497func (p *parser) parsePointerType(pkg *types.Package) types.Type {498 p.expect('*')499 if p.tok == scanner.Ident {500 p.expectKeyword("any")501 return types.Typ[types.UnsafePointer]502 }503 return types.NewPointer(p.parseType(pkg))504}505// TypeDefinition = NamedType | MapType | ChanType | StructType | InterfaceType | PointerType | ArrayOrSliceType | FunctionType .506func (p *parser) parseTypeDefinition(pkg *types.Package, n int) types.Type {507 var t types.Type508 switch p.tok {509 case scanner.String:510 t = p.parseNamedType(n)511 case scanner.Ident:512 switch p.lit {513 case "map":514 t = p.parseMapType(pkg)515 case "chan":516 t = p.parseChanType(pkg)517 case "struct":518 t = p.parseStructType(pkg)519 case "interface":520 t = p.parseInterfaceType(pkg)521 }522 case '*':523 t = p.parsePointerType(pkg)524 case '[':525 t = p.parseArrayOrSliceType(pkg)526 case '(':527 t = p.parseFunctionType(pkg)528 }529 p.typeMap[n] = t530 return t531}532const (533 // From gofrontend/go/export.h534 // Note that these values are negative in the gofrontend and have been made positive535 // in the gccgoimporter.536 gccgoBuiltinINT8 = 1537 gccgoBuiltinINT16 = 2538 gccgoBuiltinINT32 = 3539 gccgoBuiltinINT64 = 4540 gccgoBuiltinUINT8 = 5541 gccgoBuiltinUINT16 = 6542 gccgoBuiltinUINT32 = 7543 gccgoBuiltinUINT64 = 8544 gccgoBuiltinFLOAT32 = 9545 gccgoBuiltinFLOAT64 = 10546 gccgoBuiltinINT = 11547 gccgoBuiltinUINT = 12548 gccgoBuiltinUINTPTR = 13549 gccgoBuiltinBOOL = 15550 gccgoBuiltinSTRING = 16551 gccgoBuiltinCOMPLEX64 = 17552 gccgoBuiltinCOMPLEX128 = 18553 gccgoBuiltinERROR = 19554 gccgoBuiltinBYTE = 20555 gccgoBuiltinRUNE = 21556)557func lookupBuiltinType(typ int) types.Type {558 return [...]types.Type{559 gccgoBuiltinINT8: types.Typ[types.Int8],560 gccgoBuiltinINT16: types.Typ[types.Int16],561 gccgoBuiltinINT32: types.Typ[types.Int32],562 gccgoBuiltinINT64: types.Typ[types.Int64],563 gccgoBuiltinUINT8: types.Typ[types.Uint8],564 gccgoBuiltinUINT16: types.Typ[types.Uint16],565 gccgoBuiltinUINT32: types.Typ[types.Uint32],566 gccgoBuiltinUINT64: types.Typ[types.Uint64],567 gccgoBuiltinFLOAT32: types.Typ[types.Float32],568 gccgoBuiltinFLOAT64: types.Typ[types.Float64],569 gccgoBuiltinINT: types.Typ[types.Int],570 gccgoBuiltinUINT: types.Typ[types.Uint],571 gccgoBuiltinUINTPTR: types.Typ[types.Uintptr],572 gccgoBuiltinBOOL: types.Typ[types.Bool],573 gccgoBuiltinSTRING: types.Typ[types.String],574 gccgoBuiltinCOMPLEX64: types.Typ[types.Complex64],575 gccgoBuiltinCOMPLEX128: types.Typ[types.Complex128],576 gccgoBuiltinERROR: types.Universe.Lookup("error").Type(),577 gccgoBuiltinBYTE: types.Typ[types.Byte],578 gccgoBuiltinRUNE: types.Typ[types.Rune],579 }[typ]580}581// Type = "<" "type" ( "-" int | int [ TypeDefinition ] ) ">" .582func (p *parser) parseType(pkg *types.Package) (t types.Type) {583 p.expect('<')584 p.expectKeyword("type")585 switch p.tok {586 case scanner.Int:587 n := p.parseInt()588 if p.tok == '>' {589 t = p.typeMap[int(n)]590 } else {591 t = p.parseTypeDefinition(pkg, int(n))592 }593 case '-':594 p.next()595 n := p.parseInt()596 t = lookupBuiltinType(int(n))597 default:598 p.errorf("expected type number, got %s (%q)", scanner.TokenString(p.tok), p.lit)599 return nil600 }601 p.expect('>')602 return603}604// PackageInit = unquotedString unquotedString int .605func (p *parser) parsePackageInit() PackageInit {606 name := p.parseUnquotedString()607 initfunc := p.parseUnquotedString()608 priority := int(p.parseInt())609 return PackageInit{Name: name, InitFunc: initfunc, Priority: priority}610}611// Throw away tokens until we see a ';'. If we see a '<', attempt to parse as a type.612func (p *parser) discardDirectiveWhileParsingTypes(pkg *types.Package) {613 for {614 switch p.tok {615 case ';':616 return617 case '<':618 p.parseType(p.pkg)619 case scanner.EOF:620 p.error("unexpected EOF")621 default:622 p.next()623 }624 }625}626// Create the package if we have parsed both the package path and package name.627func (p *parser) maybeCreatePackage() {628 if p.pkgname != "" && p.pkgpath != "" {629 p.pkg = p.getPkg(p.pkgpath, p.pkgname)630 }631}632// InitDataDirective = "v1" ";" |633// "priority" int ";" |634// "init" { PackageInit } ";" |635// "checksum" unquotedString ";" .636func (p *parser) parseInitDataDirective() {637 if p.tok != scanner.Ident {638 // unexpected token kind; panic639 p.expect(scanner.Ident)640 }641 switch p.lit {642 case "v1":643 p.next()644 p.expect(';')645 case "priority":646 p.next()647 p.initdata.Priority = int(p.parseInt())648 p.expect(';')649 case "init":650 p.next()651 for p.tok != ';' && p.tok != scanner.EOF {652 p.initdata.Inits = append(p.initdata.Inits, p.parsePackageInit())653 }654 p.expect(';')655 case "checksum":656 // Don't let the scanner try to parse the checksum as a number.657 defer func(mode uint) {658 p.scanner.Mode = mode659 }(p.scanner.Mode)660 p.scanner.Mode &^= scanner.ScanInts | scanner.ScanFloats661 p.next()662 p.parseUnquotedString()663 p.expect(';')664 default:665 p.errorf("unexpected identifier: %q", p.lit)666 }667}668// Directive = InitDataDirective |669// "package" unquotedString ";" |670// "pkgpath" unquotedString ";" |671// "import" unquotedString unquotedString string ";" |672// "func" Func ";" |673// "type" Type ";" |674// "var" Var ";" |675// "const" Const ";" .676func (p *parser) parseDirective() {677 if p.tok != scanner.Ident {678 // unexpected token kind; panic679 p.expect(scanner.Ident)680 }681 switch p.lit {682 case "v1", "priority", "init", "checksum":683 p.parseInitDataDirective()684 case "package":685 p.next()686 p.pkgname = p.parseUnquotedString()687 p.maybeCreatePackage()688 p.expect(';')689 case "pkgpath":690 p.next()691 p.pkgpath = p.parseUnquotedString()692 p.maybeCreatePackage()693 p.expect(';')694 case "import":695 p.next()696 pkgname := p.parseUnquotedString()697 pkgpath := p.parseUnquotedString()698 p.getPkg(pkgpath, pkgname)699 p.parseString()700 p.expect(';')701 case "func":702 p.next()703 fun := p.parseFunc(p.pkg)704 if fun != nil {705 p.pkg.Scope().Insert(fun)706 }707 p.expect(';')708 case "type":709 p.next()710 p.parseType(p.pkg)711 p.expect(';')712 case "var":713 p.next()...

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1import "fmt"2type Person struct {3}4func (p Person) String() string {5 return fmt.Sprintf("%v (%v years)", p.name, p.age)6}7func main() {8 a := Person{"Arthur Dent", 42}9 z := Person{"Zaphod Beeblebrox", 9001}10 fmt.Println(a, z)11}12Arthur Dent (42 years) Zaphod Beeblebrox (9001 years)

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1import "fmt"2type types struct {3}4func (t types) String() string {5 return fmt.Sprintf("%v (%v years)", t.name, t.age)6}7func main() {8 a := types{"Arthur Dent", 42}9 z := types{"Zaphod Beeblebrox", 9001}10 fmt.Println(a, z)11}12Arthur Dent (42 years) Zaphod Beeblebrox (9001 years)13The fmt package (with Println called) looks for the interface type Stringer, which is defined as follows:14type Stringer interface {15 String() string16}17A Stringer is a type that can describe itself as a string. The fmt package (and many others) look for this interface to print values. 18For instance, IPAddr{1, 2, 3, 4} should print as "

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1import "fmt"2type types struct {3}4func main() {5 t := types{7, -2.35, true, "string"}6 fmt.Println(t)7}8{7 -2.35 true string}9import "fmt"10type custom struct {11}12func (c custom) String() string {13 return fmt.Sprintf("i = %d, f = %f, b = %t, s = %s", c.i, c.f, c.b, c.s)14}15func main() {16 c := custom{7, -2.35, true, "string"}17 fmt.Println(c)18}19import "fmt"20type custom struct {21}22func (c *custom) String() string {23 return fmt.Sprintf("i = %d, f = %f, b = %t, s = %s", c.i, c.f, c.b, c.s)24}25func main() {26 c := custom{7, -2.35, true, "string"}27 fmt.Println(&c)28}29import "fmt"30type custom struct {31}32func (c custom) String() string {33 return fmt.Sprintf("i = %d, f = %f, b = %t, s = %s", c.i, c.f, c.b, c.s)34}35func main() {36 c := custom{7, -2.35, true, "string"}37 fmt.Printf("%v38 fmt.Printf("%+v39 fmt.Printf("%#v

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1import "fmt"2type Student struct{3}4func (s Student) String() string {5 return fmt.Sprintf("Name: %s, Roll: %d", s.name, s.roll)6}7func main() {8 s := Student{"John", 100}9 fmt.Println(s)10}

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1import "fmt"2type T struct { 3}4func (t T) String() string { 5 return fmt.Sprintf("My name is %s and I am %d years old", t.name, t.age) 6}7func main() { 8 t := T{"John", 30} 9 fmt.Println(t) 10}11type Stringer interface { 12 String() string 13}14import "fmt"15type T struct { 16}17func (t T) String() string { 18 return fmt.Sprintf("My name is %s and I am %d years old", t.name, t.age) 19}20func main() { 21 t := T{"John", 30} 22 fmt.Println(t) 23}24import "fmt"25type T struct { 26}27func (t T) String() string { 28 return fmt.Sprintf("My name is %s and I am %d years old", t.name, t.age) 29}30func main() { 31 t := T{"John", 30} 32 fmt.Println(t) 33 fmt.Println(t.String()) 34}35The fmt package provides the Println() function

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1import (2func main() {3 p := types.Person{4 }5 fmt.Println(p.Name, p.Age)6}7import (8func main() {9 p := types.Person{10 }11 fmt.Println(p)12}13import (14func main() {15 p := types.Person{16 }17 fmt.Println(p.String())18}19import (20func main() {21 p := types.Person{22 }23 fmt.Println(p.String())24}25import (26func main() {27 p := types.Person{28 }29 fmt.Println(p)30}31import (32func main() {33 p := types.Person{

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1import (2func main() {3 fmt.Println("Hello")4}5func NewString(s string) String {6 return String(s)7}8func (s String) String() string {9 return string(s)10}11./2.go:9: cannot use s (type String) as type string in argument to fmt.Println12import (13func main() {14 fmt.Println("Hello")15 s := types.NewString("Hello")16 fmt.Println(s)17}18func NewString(s string) String {19 return String(s)20}21func (s String) String() string {22 return string(s)23}24./2.go:9: cannot use s (type String) as type string in argument to fmt.Println25import (26func main() {27 fmt.Println("Hello")28 s := types.NewString("Hello")29 fmt.Println(s)30}31func NewString(s string) String {32 return String(s)33}34func (s String) String() string {35 return string(s)36}37./2.go:9: cannot use s (type String) as type

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