How to use initLenCapBase method of td Package

Best Go-testdeep code snippet using td.initLenCapBase

td_len_cap.go

Source:td_len_cap.go Github

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...13)14type tdLenCapBase struct {15 tdSmugglerBase16}17func (b *tdLenCapBase) initLenCapBase(val any) {18 b.tdSmugglerBase = newSmugglerBase(val, 1)19 // math.MaxInt appeared in go1.1720 const (21 maxUint = ^uint(0)22 maxInt = int(maxUint >> 1)23 minInt = -maxInt - 124 usage = "(TESTDEEP_OPERATOR|INT)"25 )26 if val == nil {27 b.err = ctxerr.OpBadUsage(b.GetLocation().Func, usage, val, 1, true)28 return29 }30 if b.isTestDeeper {31 return32 }33 vval := reflect.ValueOf(val)34 // A len or capacity is always an int, but accept any MinInt ≤ num ≤ MaxInt,35 // so it can be used in JSON, SubJSONOf and SuperJSONOf as float6436 switch vval.Kind() {37 case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:38 num := vval.Int()39 if num >= int64(minInt) && num <= int64(maxInt) {40 b.expectedValue = reflect.ValueOf(int(num))41 return42 }43 case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64:44 num := vval.Uint()45 if num <= uint64(maxInt) {46 b.expectedValue = reflect.ValueOf(int(num))47 return48 }49 case reflect.Float32, reflect.Float64:50 num := vval.Float()51 if num == math.Trunc(num) && num >= float64(minInt) && num <= float64(maxInt) {52 b.expectedValue = reflect.ValueOf(int(num))53 return54 }55 default:56 b.err = ctxerr.OpBadUsage(b.GetLocation().Func, usage, val, 1, true)57 return58 }59 op := b.GetLocation().Func60 b.err = ctxerr.OpBad(op, "usage: "+op+usage+61 ", but received an out of bounds or not integer 1st parameter (%v), should be in int range", val)62}63func (b *tdLenCapBase) isEqual(ctx ctxerr.Context, got int) (bool, *ctxerr.Error) {64 if b.isTestDeeper {65 return true, deepValueEqual(ctx, reflect.ValueOf(got), b.expectedValue)66 }67 if int64(got) == b.expectedValue.Int() {68 return true, nil69 }70 return false, nil71}72type tdLen struct {73 tdLenCapBase74}75var _ TestDeep = &tdLen{}76// summary(Len): checks an array, slice, map, string or channel length77// input(Len): array,slice,map,chan78// Len is a smuggler operator. It takes data, applies len() function79// on it and compares its result to expectedLen. Of course, the80// compared value must be an array, a channel, a map, a slice or a81// string.82//83// expectedLen can be an int value:84//85// td.Cmp(t, gotSlice, td.Len(12))86//87// as well as an other operator:88//89// td.Cmp(t, gotSlice, td.Len(td.Between(3, 4)))90//91// See also [Cap].92func Len(expectedLen any) TestDeep {93 l := tdLen{}94 l.initLenCapBase(expectedLen)95 return &l96}97func (l *tdLen) String() string {98 if l.err != nil {99 return l.stringError()100 }101 if l.isTestDeeper {102 return "len: " + l.expectedValue.Interface().(TestDeep).String()103 }104 return fmt.Sprintf("len=%d", l.expectedValue.Int())105}106func (l *tdLen) Match(ctx ctxerr.Context, got reflect.Value) *ctxerr.Error {107 if l.err != nil {108 return ctx.CollectError(l.err)109 }110 switch got.Kind() {111 case reflect.Array, reflect.Chan, reflect.Map, reflect.Slice, reflect.String:112 ret, err := l.isEqual(ctx.AddFunctionCall("len"), got.Len())113 if ret {114 return err115 }116 if ctx.BooleanError {117 return ctxerr.BooleanError118 }119 return ctx.CollectError(&ctxerr.Error{120 Message: "bad length",121 Got: types.RawInt(got.Len()),122 Expected: types.RawInt(l.expectedValue.Int()),123 })124 default:125 if ctx.BooleanError {126 return ctxerr.BooleanError127 }128 return ctx.CollectError(ctxerr.BadKind(got, "array OR chan OR map OR slice OR string"))129 }130}131type tdCap struct {132 tdLenCapBase133}134var _ TestDeep = &tdCap{}135// summary(Cap): checks an array, slice or channel capacity136// input(Cap): array,slice,chan137// Cap is a smuggler operator. It takes data, applies cap() function138// on it and compares its result to expectedCap. Of course, the139// compared value must be an array, a channel or a slice.140//141// expectedCap can be an int value:142//143// td.Cmp(t, gotSlice, td.Cap(12))144//145// as well as an other operator:146//147// td.Cmp(t, gotSlice, td.Cap(td.Between(3, 4)))148//149// See also [Len].150func Cap(expectedCap any) TestDeep {151 c := tdCap{}152 c.initLenCapBase(expectedCap)153 return &c154}155func (c *tdCap) String() string {156 if c.err != nil {157 return c.stringError()158 }159 if c.isTestDeeper {160 return "cap: " + c.expectedValue.Interface().(TestDeep).String()161 }162 return fmt.Sprintf("cap=%d", c.expectedValue.Int())163}164func (c *tdCap) Match(ctx ctxerr.Context, got reflect.Value) *ctxerr.Error {165 if c.err != nil {166 return ctx.CollectError(c.err)...

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initLenCapBase

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1import (2type td struct {3}4func (t td) initLenCapBase(length, capacity int) td {5}6func (t td) initLenCap(length, capacity int) td {7 return td{length, capacity}8}9func main() {10 t := td{}11 t.initLenCapBase(10, 20)12 fmt.Println(t.length, t.capacity)13 t = td{}14 t.initLenCap(10, 20)15 fmt.Println(t.length, t.capacity)16}17import (18type td struct {19}20func main() {21 t := td{length: 10, capacity: 20}22 fmt.Println(t.length, t.capacity)23}24import (25type td struct {26}27func main() {28 t := td{10, 20}29 fmt.Println(t.length, t.capacity)30}31import (32type td struct {33}34func main() {35 t := td{10, 20}36 fmt.Println(t.length, t.capacity, t.name, t.flag)37}

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initLenCapBase

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1import "fmt"2func main() {3 td := new(TD)4 td.initLenCapBase(5, 10)5 fmt.Println(td)6}7import "fmt"8func main() {9 td := new(TD)10 td.initLenCapBase(5, 10)11 fmt.Println(td)12}13import "fmt"14func main() {15 td := new(TD)16 td.initLenCapBase(5, 10)17 fmt.Println(td)18}19import "fmt"20func main() {21 td := new(TD)22 td.initLenCapBase(5, 10)23 fmt.Println(td)24}25import "fmt"26func main() {27 td := new(TD)28 td.initLenCapBase(5, 10)29 fmt.Println(td)30}31import "fmt"32func main() {33 td := new(TD)34 td.initLenCapBase(5, 10)35 fmt.Println(td)36}37import "fmt"38func main() {39 td := new(TD)40 td.initLenCapBase(5, 10)41 fmt.Println(td)42}43import "fmt"44func main() {45 td := new(TD)46 td.initLenCapBase(5, 10)47 fmt.Println(td)48}49import "fmt"50func main() {51 td := new(TD)52 td.initLenCapBase(5, 10)53 fmt.Println(td)54}

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initLenCapBase

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1import (2type td struct {3}4func main() {5 fmt.Println("Length of slice is", len(slice))6 fmt.Println("Capacity of slice is", cap(slice))7 fmt.Println("Address of slice is", unsafe.Pointer(&slice))8 fmt.Println("Address of base of slice is", slice)9 fmt.Println("Address of base of slice is", &slice[0])10 fmt.Println("Address of base of slice is", &slice[1])11 fmt.Println("Address of base of slice is", &slice[2])12 fmt.Println("Address of base of slice is", &slice[3])13 fmt.Println("Address of base of slice is", &slice[4])14 fmt.Println("Address of base of slice is", &slice[5])15 fmt.Println("Address of base of slice is", &slice[6])16 fmt.Println("Address of base of slice is", &slice[7])17 fmt.Println("Address of base of slice is", &slice[8])18 fmt.Println("Address of base of slice is", &slice[9])19 fmt.Println("Address of base of slice is", &slice[10])20 fmt.Println("Address of base of slice is", &slice[11])21 fmt.Println("Address of base of slice is", &slice[12])22 fmt.Println("Address of base of slice is", &slice[13])23 fmt.Println("Address of base of slice is", &slice[14])24 fmt.Println("Address of base of slice is", &slice[15])25 fmt.Println("Address of base of slice is", &slice[16])26 fmt.Println("Address of base of slice is", &slice[17])27 fmt.Println("Address of base of slice is", &slice[18])28 fmt.Println("Address of base of slice is", &slice[19])29 fmt.Println("Address of base of slice is", &slice[20])30 fmt.Println("Address of base of slice is", &slice[21])31 fmt.Println("Address of base of slice is", &slice[22])32 fmt.Println("Address of base of slice is", &slice[23])33 fmt.Println("Address of base of slice is", &slice[

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initLenCapBase

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1import (2func main() {3 mySlice := []int{1, 2, 3, 4, 5}4 myStringSlice := []string{"Hello", "World", "!"}5 myFloatSlice := []float64{1.2, 2.3, 3.4, 4.5, 5.6}6 fmt.Println("Length and Capacity of mySlice:", td.initLenCapBase(mySlice))7 fmt.Println("Length and Capacity of myStringSlice:", td.initLenCapBase(myStringSlice))8 fmt.Println("Length and Capacity of myFloatSlice:", td.initLenCapBase(myFloatSlice))9}10import (11func main() {12 mySlice := []int{1, 2, 3, 4, 5}13 myStringSlice := []string{"Hello", "World", "!"}14 myFloatSlice := []float64{1.2, 2.3, 3.4, 4.5, 5.6}15 fmt.Println("Length and Capacity of mySlice:", td.initLenCapBase(mySlice))16 fmt.Println("Length and Capacity of myStringSlice:", td.initLenCapBase(myStringSlice))17 fmt.Println("Length and Capacity of myFloatSlice:", td.initLenCapBase(myFloatSlice))18}19import (20func main() {21 mySlice := []int{1, 2, 3, 4, 5}22 myStringSlice := []string{"Hello", "World", "!"}23 myFloatSlice := []float64{1.2, 2.3, 3

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initLenCapBase

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1import (2func main() {3 td1 := new(td)4 td1.initLenCapBase(10, 20, 30)5 fmt.Println(td1)6}7type td struct {8}9func (td1 *td) initLenCapBase(len, cap, base int) {10}11import (12func main() {13 td1 := new(td)14 td1.initLenCapBase(10, 20, 30)15 fmt.Println(td1)16}17type td struct {18}19func (td1 *td) initLenCapBase(len, cap, base int) {20}21import (22func main() {23 td1 := new(td)24 td1.initLenCapBase(10, 20, 30)25 fmt.Println(td1)26}27type td struct {28}29func (td1 *td) initLenCapBase(len, cap, base int) {30}31import (32func main() {

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initLenCapBase

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1import "fmt"2func main(){3 td := new(TD)4 td.initLenCapBase(4,4,4)5 fmt.Println(td)6}7import "fmt"8func main(){9 td := new(TD)10 td.initLenCapBase(4,4,4)11 fmt.Println(td)12}13import "fmt"14func main(){15 td := new(TD)16 td.initLenCapBase(4,4,4)17 fmt.Println(td)18}19import "fmt"20func main(){21 td := new(TD)22 td.initLenCapBase(4,4,4)23 fmt.Println(td)24}25import "fmt"26func main(){27 td := new(TD)28 td.initLenCapBase(4,4,4)29 fmt.Println(td)30}31import "fmt"32func main(){33 td := new(TD)34 td.initLenCapBase(4,4,4)35 fmt.Println(td)36}37import "fmt"38func main(){39 td := new(TD)40 td.initLenCapBase(4,4,4)41 fmt.Println(td)42}43import "fmt"44func main(){45 td := new(TD)46 td.initLenCapBase(4,4,4)47 fmt.Println(td)48}49import "fmt"50func main(){51 td := new(TD)52 td.initLenCapBase(4,4,4)53 fmt.Println(td)54}

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initLenCapBase

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1import (2func main() {3 t := new(td)4 t.initLenCapBase(4, 4, 0)5 fmt.Println("Length of t is", t.len)6 fmt.Println("Capacity of t is", t.cap)7 fmt.Println("Base address of t is", t.base)8}9import (10func main() {11 t := new(td)12 t.initLenCapBase(4, 4, 0)13 fmt.Println("Length of t is", t.len)14 fmt.Println("Capacity of t is", t.cap)15 fmt.Println("Base address of t is", t.base)16}17import (18func main() {19 t := new(td)20 t.initLenCapBase(4, 4, 0)21 fmt.Println("Length of t is", t.len)22 fmt.Println("Capacity of t is", t.cap)23 fmt.Println("Base address of t is", t.base)24}

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initLenCapBase

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1import "fmt"2func main(){3td:=new(td)4td.initLenCapBase(5,10)5fmt.Println(td.len)6fmt.Println(td.cap)7}8import "fmt"9func main(){10td:=new(td)11td.initLenCapBase(5,10)12fmt.Println(td.len)13fmt.Println(td.cap)14td.initLenCapBase(3,6)15fmt.Println(td.len)16fmt.Println(td.cap)17}18import "fmt"19func main(){20td:=new(td)21td.initLenCapBase(5,10)22fmt.Println(td.len)23fmt.Println(td.cap)24td.initLenCapBase(3,6)25fmt.Println(td.len)26fmt.Println(td.cap)27td.initLenCapBase(0,0)28fmt.Println(td.len)29fmt.Println(td.cap)30}31import "fmt"32func main(){33td:=new(td)34td.initLenCapBase(5,10)35fmt.Println(td.len)36fmt.Println(td.cap)37td.initLenCapBase(3,6)38fmt.Println(td.len)39fmt.Println(td.cap)40td.initLenCapBase(0,0)41fmt.Println(td.len)42fmt.Println(td.cap)43td.initLenCapBase(100,200)44fmt.Println(td.len)45fmt.Println(td.cap)46}47import "fmt"48func main(){49td:=new(td)50td.initLenCapBase(5,10)

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initLenCapBase

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1import "fmt"2func main() {3 fmt.Println("Main method")4 td.initLenCapBase(5, 10, 15)5 fmt.Println("Length of td is", td.len)6 fmt.Println("Capacity of td is", td.cap)7 fmt.Println("Base of td is", td.base)8}

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initLenCapBase

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1import (2type td struct {3}4func initLenCapBase(l, c int, b unsafe.Pointer) td {5 return td{l, c, b}6}7type myType struct {8}9func main() {10 slice := []myType{{1, 2}, {3, 4}, {5, 6}}11 addr := unsafe.Pointer(&slice)12 tdPtr := (*td)(addr)13 arrayPtr := (*[1 << 30]myType)(base)14 fmt.Println(array)15}16[{1 2} {3 4} {5 6}]17type SliceHeader struct {18}

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