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How to use out method of x86 Package

Best Syzkaller code snippet using x86.out

deps_test.go

Source:deps_test.go

...14package makedeps15import (16	"bytes"17	"io"18	"io/ioutil"19	"os"20	"testing"21)22func TestParse(t *testing.T) {23	testCases := []struct {24		name   string25		input  string26		output Deps27		err    error28	}{29		// These come from the ninja test suite30		{31			name:  "Basic",32			input: "build/ninja.o: ninja.cc ninja.h eval_env.h manifest_parser.h",33			output: Deps{34				Output: "build/ninja.o",35				Inputs: []string{36					"ninja.cc",37					"ninja.h",38					"eval_env.h",39					"manifest_parser.h",40				},41			},42		},43		{44			name: "EarlyNewlineAndWhitespace",45			input: ` \46  out: in`,47			output: Deps{48				Output: "out",49				Inputs: []string{"in"},50			},51		},52		{53			name: "Continuation",54			input: `foo.o: \55  bar.h baz.h56`,57			output: Deps{58				Output: "foo.o",59				Inputs: []string{"bar.h", "baz.h"},60			},61		},62		{63			name:  "CarriageReturnContinuation",64			input: "foo.o: \\\r\n  bar.h baz.h\r\n",65			output: Deps{66				Output: "foo.o",67				Inputs: []string{"bar.h", "baz.h"},68			},69		},70		{71			name: "BackSlashes",72			input: `Project\Dir\Build\Release8\Foo\Foo.res : \73  Dir\Library\Foo.rc \74  Dir\Library\Version\Bar.h \75  Dir\Library\Foo.ico \76  Project\Thing\Bar.tlb \77`,78			output: Deps{79				Output: `Project\Dir\Build\Release8\Foo\Foo.res`,80				Inputs: []string{81					`Dir\Library\Foo.rc`,82					`Dir\Library\Version\Bar.h`,83					`Dir\Library\Foo.ico`,84					`Project\Thing\Bar.tlb`,85				},86			},87		},88		{89			name:  "Spaces",90			input: `a\ bc\ def:   a\ b c d`,91			output: Deps{92				Output: `a bc def`,93				Inputs: []string{"a b", "c", "d"},94			},95		},96		{97			name:  "Escapes",98			input: `\!\@\#$$\%\^\&\\:`,99			output: Deps{100				Output: `\!\@#$\%\^\&\`,101			},102		},103		{104			name: "SpecialChars",105			// Ninja includes a number of '=', but our parser can't handle that,106			// since it sees the equals and switches over to assuming it's an107			// assignment.108			//109			// We don't have any files in our tree that contain an '=' character,110			// and Kati can't handle parsing this either, so for now I'm just111			// going to remove all the '=' characters below.112			//113			// It looks like make will only do this for the first114			// dependency, but not later dependencies.115			input: `C\:/Program\ Files\ (x86)/Microsoft\ crtdefs.h: \116 en@quot.header~ t+t-x!1 \117 openldap/slapd.d/cnconfig/cnschema/cn{0}core.ldif \118 Fu` + "\303\244ball",119			output: Deps{120				Output: "C:/Program Files (x86)/Microsoft crtdefs.h",121				Inputs: []string{122					"en@quot.header~",123					"t+t-x!1",124					"openldap/slapd.d/cnconfig/cnschema/cn{0}core.ldif",125					"Fu\303\244ball",126				},127			},128		},129		// Ninja's UnifyMultipleOutputs and RejectMultipleDifferentOutputs tests have been omitted,130		// since we don't want the same behavior.131		// Our own tests132		{133			name: "Multiple outputs",134			input: `a b: c135a: d136b: e`,137			output: Deps{138				Output: "b",139				Inputs: []string{140					"c",141					"d",142					"e",143				},144			},145		},146	}147	for _, tc := range testCases {148		t.Run(tc.name, func(t *testing.T) {149			out, err := Parse("test.d", bytes.NewBufferString(tc.input))150			if err != tc.err {151				t.Fatalf("Unexpected error: %v (expected %v)", err, tc.err)152			}153			if out.Output != tc.output.Output {154				t.Errorf("output file doesn't match:\n"+155					" str: %#v\n"+156					"want: %#v\n"+157					" got: %#v", tc.input, tc.output.Output, out.Output)158			}159			matches := true160			if len(out.Inputs) != len(tc.output.Inputs) {161				matches = false162			} else {163				for i := range out.Inputs {164					if out.Inputs[i] != tc.output.Inputs[i] {165						matches = false166					}167				}168			}169			if !matches {170				t.Errorf("input files don't match:\n"+171					" str: %#v\n"+172					"want: %#v\n"+173					" got: %#v", tc.input, tc.output.Inputs, out.Inputs)174			}175		})176	}177}178func BenchmarkParsing(b *testing.B) {179	// Write it out to a file to most closely match ninja's perftest180	tmpfile, err := ioutil.TempFile("", "depfile")181	if err != nil {182		b.Fatal("Failed to create temp file:", err)183	}184	defer os.Remove(tmpfile.Name())185	_, err = io.WriteString(tmpfile, `out/soong/.intermediates/external/ninja/ninja/linux_glibc_x86_64/obj/external/ninja/src/ninja.o: \186  external/ninja/src/ninja.cc external/libcxx/include/errno.h \187  external/libcxx/include/__config \188  prebuilts/gcc/linux-x86/host/x86_64-linux-glibc2.15-4.8/sysroot/usr/include/features.h \189  prebuilts/gcc/linux-x86/host/x86_64-linux-glibc2.15-4.8/sysroot/usr/include/x86_64-linux-gnu/bits/predefs.h \190  prebuilts/gcc/linux-x86/host/x86_64-linux-glibc2.15-4.8/sysroot/usr/include/x86_64-linux-gnu/sys/cdefs.h \191  prebuilts/gcc/linux-x86/host/x86_64-linux-glibc2.15-4.8/sysroot/usr/include/x86_64-linux-gnu/bits/wordsize.h \192  prebuilts/gcc/linux-x86/host/x86_64-linux-glibc2.15-4.8/sysroot/usr/include/x86_64-linux-gnu/gnu/stubs.h \193  prebuilts/gcc/linux-x86/host/x86_64-linux-glibc2.15-4.8/sysroot/usr/include/x86_64-linux-gnu/gnu/stubs-64.h \194  prebuilts/gcc/linux-x86/host/x86_64-linux-glibc2.15-4.8/sysroot/usr/include/errno.h \195  prebuilts/gcc/linux-x86/host/x86_64-linux-glibc2.15-4.8/sysroot/usr/include/x86_64-linux-gnu/bits/errno.h \196  prebuilts/gcc/linux-x86/host/x86_64-linux-glibc2.15-4.8/sysroot/usr/include/linux/errno.h \197  prebuilts/gcc/linux-x86/host/x86_64-linux-glibc2.15-4.8/sysroot/usr/include/x86_64-linux-gnu/asm/errno.h \198  prebuilts/gcc/linux-x86/host/x86_64-linux-glibc2.15-4.8/sysroot/usr/include/asm-generic/errno.h \199  prebuilts/gcc/linux-x86/host/x86_64-linux-glibc2.15-4.8/sysroot/usr/include/asm-generic/errno-base.h \200  external/libcxx/include/limits.h \201  prebuilts/clang/host/linux-x86/clang-4639204/lib64/clang/6.0.1/include/limits.h \202  prebuilts/gcc/linux-x86/host/x86_64-linux-glibc2.15-4.8/sysroot/usr/include/limits.h \203  prebuilts/gcc/linux-x86/host/x86_64-linux-glibc2.15-4.8/sysroot/usr/include/x86_64-linux-gnu/bits/posix1_lim.h \204  prebuilts/gcc/linux-x86/host/x86_64-linux-glibc2.15-4.8/sysroot/usr/include/x86_64-linux-gnu/bits/local_lim.h \205  prebuilts/gcc/linux-x86/host/x86_64-linux-glibc2.15-4.8/sysroot/usr/include/linux/limits.h \206  prebuilts/gcc/linux-x86/host/x86_64-linux-glibc2.15-4.8/sysroot/usr/include/x86_64-linux-gnu/bits/posix2_lim.h \207  prebuilts/gcc/linux-x86/host/x86_64-linux-glibc2.15-4.8/sysroot/usr/include/x86_64-linux-gnu/bits/xopen_lim.h \208  prebuilts/gcc/linux-x86/host/x86_64-linux-glibc2.15-4.8/sysroot/usr/include/x86_64-linux-gnu/bits/stdio_lim.h \209  external/libcxx/include/stdio.h \210  prebuilts/gcc/linux-x86/host/x86_64-linux-glibc2.15-4.8/sysroot/usr/include/stdio.h \211  external/libcxx/include/stddef.h \212  prebuilts/clang/host/linux-x86/clang-4639204/lib64/clang/6.0.1/include/stddef.h \213  prebuilts/gcc/linux-x86/host/x86_64-linux-glibc2.15-4.8/sysroot/usr/include/x86_64-linux-gnu/bits/types.h \214  prebuilts/gcc/linux-x86/host/x86_64-linux-glibc2.15-4.8/sysroot/usr/include/x86_64-linux-gnu/bits/typesizes.h \215  prebuilts/gcc/linux-x86/host/x86_64-linux-glibc2.15-4.8/sysroot/usr/include/libio.h \216  prebuilts/gcc/linux-x86/host/x86_64-linux-glibc2.15-4.8/sysroot/usr/include/_G_config.h \217  external/libcxx/include/wchar.h \218  prebuilts/gcc/linux-x86/host/x86_64-linux-glibc2.15-4.8/sysroot/usr/include/wchar.h \219  prebuilts/clang/host/linux-x86/clang-4639204/lib64/clang/6.0.1/include/stdarg.h \220  prebuilts/gcc/linux-x86/host/x86_64-linux-glibc2.15-4.8/sysroot/usr/include/x86_64-linux-gnu/bits/sys_errlist.h \221  external/libcxx/include/stdlib.h \222  prebuilts/gcc/linux-x86/host/x86_64-linux-glibc2.15-4.8/sysroot/usr/include/stdlib.h \223  prebuilts/gcc/linux-x86/host/x86_64-linux-glibc2.15-4.8/sysroot/usr/include/x86_64-linux-gnu/bits/waitflags.h \224  prebuilts/gcc/linux-x86/host/x86_64-linux-glibc2.15-4.8/sysroot/usr/include/x86_64-linux-gnu/bits/waitstatus.h \225  prebuilts/gcc/linux-x86/host/x86_64-linux-glibc2.15-4.8/sysroot/usr/include/endian.h \226  prebuilts/gcc/linux-x86/host/x86_64-linux-glibc2.15-4.8/sysroot/usr/include/x86_64-linux-gnu/bits/endian.h \227  prebuilts/gcc/linux-x86/host/x86_64-linux-glibc2.15-4.8/sysroot/usr/include/x86_64-linux-gnu/bits/byteswap.h \228  prebuilts/gcc/linux-x86/host/x86_64-linux-glibc2.15-4.8/sysroot/usr/include/xlocale.h \229  prebuilts/gcc/linux-x86/host/x86_64-linux-glibc2.15-4.8/sysroot/usr/include/x86_64-linux-gnu/sys/types.h \230  prebuilts/gcc/linux-x86/host/x86_64-linux-glibc2.15-4.8/sysroot/usr/include/time.h \231  prebuilts/gcc/linux-x86/host/x86_64-linux-glibc2.15-4.8/sysroot/usr/include/x86_64-linux-gnu/sys/select.h \232  prebuilts/gcc/linux-x86/host/x86_64-linux-glibc2.15-4.8/sysroot/usr/include/x86_64-linux-gnu/bits/select.h \233  prebuilts/gcc/linux-x86/host/x86_64-linux-glibc2.15-4.8/sysroot/usr/include/x86_64-linux-gnu/bits/sigset.h \234  prebuilts/gcc/linux-x86/host/x86_64-linux-glibc2.15-4.8/sysroot/usr/include/x86_64-linux-gnu/bits/time.h \235  prebuilts/gcc/linux-x86/host/x86_64-linux-glibc2.15-4.8/sysroot/usr/include/x86_64-linux-gnu/bits/select2.h \236  prebuilts/gcc/linux-x86/host/x86_64-linux-glibc2.15-4.8/sysroot/usr/include/x86_64-linux-gnu/sys/sysmacros.h \237  prebuilts/gcc/linux-x86/host/x86_64-linux-glibc2.15-4.8/sysroot/usr/include/x86_64-linux-gnu/bits/pthreadtypes.h \238  prebuilts/gcc/linux-x86/host/x86_64-linux-glibc2.15-4.8/sysroot/usr/include/alloca.h \239  external/libcxx/include/string.h \240  prebuilts/gcc/linux-x86/host/x86_64-linux-glibc2.15-4.8/sysroot/usr/include/string.h \241  prebuilts/gcc/linux-x86/host/x86_64-linux-glibc2.15-4.8/sysroot/usr/include/getopt.h \242  prebuilts/gcc/linux-x86/host/x86_64-linux-glibc2.15-4.8/sysroot/usr/include/unistd.h \243  prebuilts/gcc/linux-x86/host/x86_64-linux-glibc2.15-4.8/sysroot/usr/include/x86_64-linux-gnu/bits/posix_opt.h \244  prebuilts/gcc/linux-x86/host/x86_64-linux-glibc2.15-4.8/sysroot/usr/include/x86_64-linux-gnu/bits/environments.h \245  prebuilts/gcc/linux-x86/host/x86_64-linux-glibc2.15-4.8/sysroot/usr/include/x86_64-linux-gnu/bits/confname.h \246  external/ninja/src/browse.h external/ninja/src/build.h \247  external/libcxx/include/cstdio external/libcxx/include/map \248  external/libcxx/include/__tree external/libcxx/include/iterator \249  external/libcxx/include/iosfwd \250  prebuilts/gcc/linux-x86/host/x86_64-linux-glibc2.15-4.8/sysroot/usr/include/x86_64-linux-gnu/bits/wchar.h \251  external/libcxx/include/__functional_base \252  external/libcxx/include/type_traits external/libcxx/include/cstddef \253  prebuilts/clang/host/linux-x86/clang-4639204/lib64/clang/6.0.1/include/__stddef_max_align_t.h \254  external/libcxx/include/__nullptr external/libcxx/include/typeinfo \255  external/libcxx/include/exception external/libcxx/include/cstdlib \256  external/libcxx/include/cstdint external/libcxx/include/stdint.h \257  prebuilts/clang/host/linux-x86/clang-4639204/lib64/clang/6.0.1/include/stdint.h \258  prebuilts/gcc/linux-x86/host/x86_64-linux-glibc2.15-4.8/sysroot/usr/include/stdint.h \259  external/libcxx/include/new external/libcxx/include/utility \260  external/libcxx/include/__tuple \261  external/libcxx/include/initializer_list \262  external/libcxx/include/cstring external/libcxx/include/__debug \263  external/libcxx/include/memory external/libcxx/include/limits \264  external/libcxx/include/__undef_macros external/libcxx/include/tuple \265  external/libcxx/include/stdexcept external/libcxx/include/cassert \266  prebuilts/gcc/linux-x86/host/x86_64-linux-glibc2.15-4.8/sysroot/usr/include/assert.h \267  external/libcxx/include/atomic external/libcxx/include/algorithm \268  external/libcxx/include/functional external/libcxx/include/queue \269  external/libcxx/include/deque external/libcxx/include/__split_buffer \270  external/libcxx/include/vector external/libcxx/include/__bit_reference \271  external/libcxx/include/climits external/libcxx/include/set \272  external/libcxx/include/string external/libcxx/include/string_view \273  external/libcxx/include/__string external/libcxx/include/cwchar \274  external/libcxx/include/cwctype external/libcxx/include/cctype \275  external/libcxx/include/ctype.h \276  prebuilts/gcc/linux-x86/host/x86_64-linux-glibc2.15-4.8/sysroot/usr/include/ctype.h \277  external/libcxx/include/wctype.h \278  prebuilts/gcc/linux-x86/host/x86_64-linux-glibc2.15-4.8/sysroot/usr/include/wctype.h \279  external/ninja/src/graph.h external/ninja/src/eval_env.h \280  external/ninja/src/string_piece.h external/ninja/src/timestamp.h \281  external/ninja/src/util.h external/ninja/src/exit_status.h \282  external/ninja/src/line_printer.h external/ninja/src/metrics.h \283  external/ninja/src/build_log.h external/ninja/src/hash_map.h \284  external/libcxx/include/unordered_map \285  external/libcxx/include/__hash_table external/libcxx/include/cmath \286  external/libcxx/include/math.h \287  prebuilts/gcc/linux-x86/host/x86_64-linux-glibc2.15-4.8/sysroot/usr/include/math.h \288  prebuilts/gcc/linux-x86/host/x86_64-linux-glibc2.15-4.8/sysroot/usr/include/x86_64-linux-gnu/bits/huge_val.h \289  prebuilts/gcc/linux-x86/host/x86_64-linux-glibc2.15-4.8/sysroot/usr/include/x86_64-linux-gnu/bits/huge_valf.h \290  prebuilts/gcc/linux-x86/host/x86_64-linux-glibc2.15-4.8/sysroot/usr/include/x86_64-linux-gnu/bits/huge_vall.h \291  prebuilts/gcc/linux-x86/host/x86_64-linux-glibc2.15-4.8/sysroot/usr/include/x86_64-linux-gnu/bits/inf.h \292  prebuilts/gcc/linux-x86/host/x86_64-linux-glibc2.15-4.8/sysroot/usr/include/x86_64-linux-gnu/bits/nan.h \293  prebuilts/gcc/linux-x86/host/x86_64-linux-glibc2.15-4.8/sysroot/usr/include/x86_64-linux-gnu/bits/mathdef.h \294  prebuilts/gcc/linux-x86/host/x86_64-linux-glibc2.15-4.8/sysroot/usr/include/x86_64-linux-gnu/bits/mathcalls.h \295  external/ninja/src/deps_log.h external/ninja/src/clean.h \296  external/ninja/src/debug_flags.h external/ninja/src/disk_interface.h \297  external/ninja/src/graphviz.h external/ninja/src/manifest_parser.h \298  external/ninja/src/lexer.h external/ninja/src/state.h \299  external/ninja/src/version.h`)300	tmpfile.Close()301	if err != nil {302		b.Fatal("Failed to write dep file:", err)303	}304	b.ResetTimer()305	for n := 0; n < b.N; n++ {306		depfile, err := ioutil.ReadFile(tmpfile.Name())307		if err != nil {308			b.Fatal("Failed to read dep file:", err)309		}310		_, err = Parse(tmpfile.Name(), bytes.NewBuffer(depfile))311		if err != nil {312			b.Fatal("Failed to parse:", err)313		}314	}315}316func TestDepPrint(t *testing.T) {317	testCases := []struct {318		name   string319		input  Deps320		output string321	}{322		{323			name: "Empty",324			input: Deps{325				Output: "a",326			},327			output: "a:",328		},329		{330			name: "Basic",331			input: Deps{332				Output: "a",333				Inputs: []string{"b", "c"},334			},335			output: "a: b c",336		},337		{338			name: "Escapes",339			input: Deps{340				Output: `\!\@#$\%\^\&\`,341			},342			output: `\\!\\@\#$$\\%\\^\\&\\:`,343		},344		{345			name: "Spaces",346			input: Deps{347				Output: "a b",348				Inputs: []string{"c d", "e f "},349			},350			output: `a\ b: c\ d e\ f\ `,351		},352		{353			name: "SpecialChars",354			input: Deps{355				Output: "C:/Program Files (x86)/Microsoft crtdefs.h",356				Inputs: []string{357					"en@quot.header~",358					"t+t-x!1",359					"openldap/slapd.d/cnconfig/cnschema/cn{0}core.ldif",360					"Fu\303\244ball",361				},362			},363			output: `C\:/Program\ Files\ (x86)/Microsoft\ crtdefs.h: en@quot.header~ t+t-x!1 openldap/slapd.d/cnconfig/cnschema/cn{0}core.ldif Fu` + "\303\244ball",364		},365	}366	for _, tc := range testCases {367		t.Run(tc.name, func(t *testing.T) {368			out := tc.input.Print()369			outStr := string(out)370			want := tc.output + "\n"371			if outStr != want {372				t.Errorf("output doesn't match:\nwant:%q\n got:%q", want, outStr)373			}374		})375	}376}...

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