Unlock 30% off on Manual Testing Annual Plans this Holiday Season. 
Use Code: LCMYEARENDEXCL30
Use Code: LCMYEARENDEXCL30Check icon
Copied to Clipboard!
How to use Zero method of got Package
Best Got code snippet using got.Zero
logic_test.go
Source:logic_test.go 
1package test2import "testing"3// Tests to make sure logic simplification rules are correct.4func TestLogic64(t *testing.T) {5 // test values to determine function equality6 values := [...]int64{-1 << 63, 1<<63 - 1, -4, -3, -2, -1, 0, 1, 2, 3, 4}7 // golden functions we use repeatedly8 zero := func(x int64) int64 { return 0 }9 id := func(x int64) int64 { return x }10 or := func(x, y int64) int64 { return x | y }11 and := func(x, y int64) int64 { return x & y }12 y := func(x, y int64) int64 { return y }13 for _, test := range [...]struct {14 name string15 f func(int64) int6416 golden func(int64) int6417 }{18 {"x|x", func(x int64) int64 { return x | x }, id},19 {"x|0", func(x int64) int64 { return x | 0 }, id},20 {"x|-1", func(x int64) int64 { return x | -1 }, func(x int64) int64 { return -1 }},21 {"x&x", func(x int64) int64 { return x & x }, id},22 {"x&0", func(x int64) int64 { return x & 0 }, zero},23 {"x&-1", func(x int64) int64 { return x & -1 }, id},24 {"x^x", func(x int64) int64 { return x ^ x }, zero},25 {"x^0", func(x int64) int64 { return x ^ 0 }, id},26 {"x^-1", func(x int64) int64 { return x ^ -1 }, func(x int64) int64 { return ^x }},27 {"x+0", func(x int64) int64 { return x + 0 }, id},28 {"x-x", func(x int64) int64 { return x - x }, zero},29 {"x*0", func(x int64) int64 { return x * 0 }, zero},30 {"^^x", func(x int64) int64 { return ^^x }, id},31 } {32 for _, v := range values {33 got := test.f(v)34 want := test.golden(v)35 if want != got {36 t.Errorf("[%s](%d)=%d, want %d", test.name, v, got, want)37 }38 }39 }40 for _, test := range [...]struct {41 name string42 f func(int64, int64) int6443 golden func(int64, int64) int6444 }{45 {"x|(x|y)", func(x, y int64) int64 { return x | (x | y) }, or},46 {"x|(y|x)", func(x, y int64) int64 { return x | (y | x) }, or},47 {"(x|y)|x", func(x, y int64) int64 { return (x | y) | x }, or},48 {"(y|x)|x", func(x, y int64) int64 { return (y | x) | x }, or},49 {"x&(x&y)", func(x, y int64) int64 { return x & (x & y) }, and},50 {"x&(y&x)", func(x, y int64) int64 { return x & (y & x) }, and},51 {"(x&y)&x", func(x, y int64) int64 { return (x & y) & x }, and},52 {"(y&x)&x", func(x, y int64) int64 { return (y & x) & x }, and},53 {"x^(x^y)", func(x, y int64) int64 { return x ^ (x ^ y) }, y},54 {"x^(y^x)", func(x, y int64) int64 { return x ^ (y ^ x) }, y},55 {"(x^y)^x", func(x, y int64) int64 { return (x ^ y) ^ x }, y},56 {"(y^x)^x", func(x, y int64) int64 { return (y ^ x) ^ x }, y},57 {"-(y-x)", func(x, y int64) int64 { return -(y - x) }, func(x, y int64) int64 { return x - y }},58 {"(x+y)-x", func(x, y int64) int64 { return (x + y) - x }, y},59 {"(y+x)-x", func(x, y int64) int64 { return (y + x) - x }, y},60 } {61 for _, v := range values {62 for _, w := range values {63 got := test.f(v, w)64 want := test.golden(v, w)65 if want != got {66 t.Errorf("[%s](%d,%d)=%d, want %d", test.name, v, w, got, want)67 }68 }69 }70 }71}72func TestLogic32(t *testing.T) {73 // test values to determine function equality74 values := [...]int32{-1 << 31, 1<<31 - 1, -4, -3, -2, -1, 0, 1, 2, 3, 4}75 // golden functions we use repeatedly76 zero := func(x int32) int32 { return 0 }77 id := func(x int32) int32 { return x }78 or := func(x, y int32) int32 { return x | y }79 and := func(x, y int32) int32 { return x & y }80 y := func(x, y int32) int32 { return y }81 for _, test := range [...]struct {82 name string83 f func(int32) int3284 golden func(int32) int3285 }{86 {"x|x", func(x int32) int32 { return x | x }, id},87 {"x|0", func(x int32) int32 { return x | 0 }, id},88 {"x|-1", func(x int32) int32 { return x | -1 }, func(x int32) int32 { return -1 }},89 {"x&x", func(x int32) int32 { return x & x }, id},90 {"x&0", func(x int32) int32 { return x & 0 }, zero},91 {"x&-1", func(x int32) int32 { return x & -1 }, id},92 {"x^x", func(x int32) int32 { return x ^ x }, zero},93 {"x^0", func(x int32) int32 { return x ^ 0 }, id},94 {"x^-1", func(x int32) int32 { return x ^ -1 }, func(x int32) int32 { return ^x }},95 {"x+0", func(x int32) int32 { return x + 0 }, id},96 {"x-x", func(x int32) int32 { return x - x }, zero},97 {"x*0", func(x int32) int32 { return x * 0 }, zero},98 {"^^x", func(x int32) int32 { return ^^x }, id},99 } {100 for _, v := range values {101 got := test.f(v)102 want := test.golden(v)103 if want != got {104 t.Errorf("[%s](%d)=%d, want %d", test.name, v, got, want)105 }106 }107 }108 for _, test := range [...]struct {109 name string110 f func(int32, int32) int32111 golden func(int32, int32) int32112 }{113 {"x|(x|y)", func(x, y int32) int32 { return x | (x | y) }, or},114 {"x|(y|x)", func(x, y int32) int32 { return x | (y | x) }, or},115 {"(x|y)|x", func(x, y int32) int32 { return (x | y) | x }, or},116 {"(y|x)|x", func(x, y int32) int32 { return (y | x) | x }, or},117 {"x&(x&y)", func(x, y int32) int32 { return x & (x & y) }, and},118 {"x&(y&x)", func(x, y int32) int32 { return x & (y & x) }, and},119 {"(x&y)&x", func(x, y int32) int32 { return (x & y) & x }, and},120 {"(y&x)&x", func(x, y int32) int32 { return (y & x) & x }, and},121 {"x^(x^y)", func(x, y int32) int32 { return x ^ (x ^ y) }, y},122 {"x^(y^x)", func(x, y int32) int32 { return x ^ (y ^ x) }, y},123 {"(x^y)^x", func(x, y int32) int32 { return (x ^ y) ^ x }, y},124 {"(y^x)^x", func(x, y int32) int32 { return (y ^ x) ^ x }, y},125 {"-(y-x)", func(x, y int32) int32 { return -(y - x) }, func(x, y int32) int32 { return x - y }},126 {"(x+y)-x", func(x, y int32) int32 { return (x + y) - x }, y},127 {"(y+x)-x", func(x, y int32) int32 { return (y + x) - x }, y},128 } {129 for _, v := range values {130 for _, w := range values {131 got := test.f(v, w)132 want := test.golden(v, w)133 if want != got {134 t.Errorf("[%s](%d,%d)=%d, want %d", test.name, v, w, got, want)135 }136 }137 }138 }139}140func TestLogic16(t *testing.T) {141 // test values to determine function equality142 values := [...]int16{-1 << 15, 1<<15 - 1, -4, -3, -2, -1, 0, 1, 2, 3, 4}143 // golden functions we use repeatedly144 zero := func(x int16) int16 { return 0 }145 id := func(x int16) int16 { return x }146 or := func(x, y int16) int16 { return x | y }147 and := func(x, y int16) int16 { return x & y }148 y := func(x, y int16) int16 { return y }149 for _, test := range [...]struct {150 name string151 f func(int16) int16152 golden func(int16) int16153 }{154 {"x|x", func(x int16) int16 { return x | x }, id},155 {"x|0", func(x int16) int16 { return x | 0 }, id},156 {"x|-1", func(x int16) int16 { return x | -1 }, func(x int16) int16 { return -1 }},157 {"x&x", func(x int16) int16 { return x & x }, id},158 {"x&0", func(x int16) int16 { return x & 0 }, zero},159 {"x&-1", func(x int16) int16 { return x & -1 }, id},160 {"x^x", func(x int16) int16 { return x ^ x }, zero},161 {"x^0", func(x int16) int16 { return x ^ 0 }, id},162 {"x^-1", func(x int16) int16 { return x ^ -1 }, func(x int16) int16 { return ^x }},163 {"x+0", func(x int16) int16 { return x + 0 }, id},164 {"x-x", func(x int16) int16 { return x - x }, zero},165 {"x*0", func(x int16) int16 { return x * 0 }, zero},166 {"^^x", func(x int16) int16 { return ^^x }, id},167 } {168 for _, v := range values {169 got := test.f(v)170 want := test.golden(v)171 if want != got {172 t.Errorf("[%s](%d)=%d, want %d", test.name, v, got, want)173 }174 }175 }176 for _, test := range [...]struct {177 name string178 f func(int16, int16) int16179 golden func(int16, int16) int16180 }{181 {"x|(x|y)", func(x, y int16) int16 { return x | (x | y) }, or},182 {"x|(y|x)", func(x, y int16) int16 { return x | (y | x) }, or},183 {"(x|y)|x", func(x, y int16) int16 { return (x | y) | x }, or},184 {"(y|x)|x", func(x, y int16) int16 { return (y | x) | x }, or},185 {"x&(x&y)", func(x, y int16) int16 { return x & (x & y) }, and},186 {"x&(y&x)", func(x, y int16) int16 { return x & (y & x) }, and},187 {"(x&y)&x", func(x, y int16) int16 { return (x & y) & x }, and},188 {"(y&x)&x", func(x, y int16) int16 { return (y & x) & x }, and},189 {"x^(x^y)", func(x, y int16) int16 { return x ^ (x ^ y) }, y},190 {"x^(y^x)", func(x, y int16) int16 { return x ^ (y ^ x) }, y},191 {"(x^y)^x", func(x, y int16) int16 { return (x ^ y) ^ x }, y},192 {"(y^x)^x", func(x, y int16) int16 { return (y ^ x) ^ x }, y},193 {"-(y-x)", func(x, y int16) int16 { return -(y - x) }, func(x, y int16) int16 { return x - y }},194 {"(x+y)-x", func(x, y int16) int16 { return (x + y) - x }, y},195 {"(y+x)-x", func(x, y int16) int16 { return (y + x) - x }, y},196 } {197 for _, v := range values {198 for _, w := range values {199 got := test.f(v, w)200 want := test.golden(v, w)201 if want != got {202 t.Errorf("[%s](%d,%d)=%d, want %d", test.name, v, w, got, want)203 }204 }205 }206 }207}208func TestLogic8(t *testing.T) {209 // test values to determine function equality210 values := [...]int8{-1 << 7, 1<<7 - 1, -4, -3, -2, -1, 0, 1, 2, 3, 4}211 // golden functions we use repeatedly212 zero := func(x int8) int8 { return 0 }213 id := func(x int8) int8 { return x }214 or := func(x, y int8) int8 { return x | y }215 and := func(x, y int8) int8 { return x & y }216 y := func(x, y int8) int8 { return y }217 for _, test := range [...]struct {218 name string219 f func(int8) int8220 golden func(int8) int8221 }{222 {"x|x", func(x int8) int8 { return x | x }, id},223 {"x|0", func(x int8) int8 { return x | 0 }, id},224 {"x|-1", func(x int8) int8 { return x | -1 }, func(x int8) int8 { return -1 }},225 {"x&x", func(x int8) int8 { return x & x }, id},226 {"x&0", func(x int8) int8 { return x & 0 }, zero},227 {"x&-1", func(x int8) int8 { return x & -1 }, id},228 {"x^x", func(x int8) int8 { return x ^ x }, zero},229 {"x^0", func(x int8) int8 { return x ^ 0 }, id},230 {"x^-1", func(x int8) int8 { return x ^ -1 }, func(x int8) int8 { return ^x }},231 {"x+0", func(x int8) int8 { return x + 0 }, id},232 {"x-x", func(x int8) int8 { return x - x }, zero},233 {"x*0", func(x int8) int8 { return x * 0 }, zero},234 {"^^x", func(x int8) int8 { return ^^x }, id},235 } {236 for _, v := range values {237 got := test.f(v)238 want := test.golden(v)239 if want != got {240 t.Errorf("[%s](%d)=%d, want %d", test.name, v, got, want)241 }242 }243 }244 for _, test := range [...]struct {245 name string246 f func(int8, int8) int8247 golden func(int8, int8) int8248 }{249 {"x|(x|y)", func(x, y int8) int8 { return x | (x | y) }, or},250 {"x|(y|x)", func(x, y int8) int8 { return x | (y | x) }, or},251 {"(x|y)|x", func(x, y int8) int8 { return (x | y) | x }, or},252 {"(y|x)|x", func(x, y int8) int8 { return (y | x) | x }, or},253 {"x&(x&y)", func(x, y int8) int8 { return x & (x & y) }, and},254 {"x&(y&x)", func(x, y int8) int8 { return x & (y & x) }, and},255 {"(x&y)&x", func(x, y int8) int8 { return (x & y) & x }, and},256 {"(y&x)&x", func(x, y int8) int8 { return (y & x) & x }, and},257 {"x^(x^y)", func(x, y int8) int8 { return x ^ (x ^ y) }, y},258 {"x^(y^x)", func(x, y int8) int8 { return x ^ (y ^ x) }, y},259 {"(x^y)^x", func(x, y int8) int8 { return (x ^ y) ^ x }, y},260 {"(y^x)^x", func(x, y int8) int8 { return (y ^ x) ^ x }, y},261 {"-(y-x)", func(x, y int8) int8 { return -(y - x) }, func(x, y int8) int8 { return x - y }},262 {"(x+y)-x", func(x, y int8) int8 { return (x + y) - x }, y},263 {"(y+x)-x", func(x, y int8) int8 { return (y + x) - x }, y},264 } {265 for _, v := range values {266 for _, w := range values {267 got := test.f(v, w)268 want := test.golden(v, w)269 if want != got {270 t.Errorf("[%s](%d,%d)=%d, want %d", test.name, v, w, got, want)271 }272 }273 }274 }275}...
divbyzero.go
Source:divbyzero.go
...3 "fmt"4 "runtime"5)6var failed = false7func checkDivByZero(f func()) (divByZero bool) {8 defer func() {9 if r := recover(); r != nil {10 if e, ok := r.(runtime.Error); ok && e.Error() == "runtime error: integer divide by zero" {11 divByZero = true12 }13 }14 }()15 f()16 return false17}18//go:noinline19func a(i uint, s []int) int {20 return s[i%uint(len(s))]21}22//go:noinline23func b(i uint, j uint) uint {24 return i / j25}26//go:noinline27func c(i int) int {28 return 7 / (i - i)29}30func main() {31 if got := checkDivByZero(func() { b(7, 0) }); !got {32 fmt.Printf("expected div by zero for b(7, 0), got no error\n")33 failed = true34 }35 if got := checkDivByZero(func() { b(7, 7) }); got {36 fmt.Printf("expected no error for b(7, 7), got div by zero\n")37 failed = true38 }39 if got := checkDivByZero(func() { a(4, nil) }); !got {40 fmt.Printf("expected div by zero for a(4, nil), got no error\n")41 failed = true42 }43 if got := checkDivByZero(func() { c(5) }); !got {44 fmt.Printf("expected div by zero for c(5), got no error\n")45 failed = true46 }47 if failed {48 panic("tests failed")49 }50}...
divbyzero_test.go
Source:divbyzero_test.go
2import (3 "runtime"4 "testing"5)6func checkDivByZero(f func()) (divByZero bool) {7 defer func() {8 if r := recover(); r != nil {9 if e, ok := r.(runtime.Error); ok && e.Error() == "runtime error: integer divide by zero" {10 divByZero = true11 }12 }13 }()14 f()15 return false16}17//go:noinline18func div_a(i uint, s []int) int {19 return s[i%uint(len(s))]20}21//go:noinline22func div_b(i uint, j uint) uint {23 return i / j24}25//go:noinline26func div_c(i int) int {27 return 7 / (i - i)28}29func TestDivByZero(t *testing.T) {30 if got := checkDivByZero(func() { div_b(7, 0) }); !got {31 t.Errorf("expected div by zero for b(7, 0), got no error\n")32 }33 if got := checkDivByZero(func() { div_b(7, 7) }); got {34 t.Errorf("expected no error for b(7, 7), got div by zero\n")35 }36 if got := checkDivByZero(func() { div_a(4, nil) }); !got {37 t.Errorf("expected div by zero for a(4, nil), got no error\n")38 }39 if got := checkDivByZero(func() { div_c(5) }); !got {40 t.Errorf("expected div by zero for c(5), got no error\n")41 }42}...
Zero
Using AI Code Generation
1import (2type got struct {3}4func (g *got) zero() {5}6func main() {7 g := got{1, 2}8 g.zero()9 fmt.Println(g.x, g.y)10}
Zero
Using AI Code Generation
1import (2type NodeL struct {3}4type List struct {5}6func ListPushBack(l *List, data int) {7 node := &NodeL{Data: data}8 if l.Head == nil {9 } else {10 }11}12func PrintList(l *List) {13 for node := l.Head; node != nil; node = node.Next {14 fmt.Print(node.Data)15 if node.Next != nil {16 fmt.Print(" -> ")17 }18 }19 fmt.Println()20}21func Zero(l *List) {22 if l.Head == nil {23 }24 for node.Next != nil {25 if node.Data == 0 {26 if node == l.Head {27 } else {28 }29 } else {30 }31 }32 if node.Data == 0 {33 }34}35func main() {36 l := &List{}37 ListPushBack(l, 1)38 ListPushBack(l, 0)39 ListPushBack(l, 2)40 ListPushBack(l, 3)41 ListPushBack(l, 0)42 ListPushBack(l, 4)43 ListPushBack(l, 0)44 ListPushBack(l, 5)
Zero
Using AI Code Generation
1import (2type Vertex struct {3}4func (v Vertex) Abs() float64 {5 return math.Sqrt(v.X*v.X + v.Y*v.Y)6}7func (v *Vertex) Scale(f float64) {8}9func (v *Vertex) Zero() {10}11func main() {12 v := Vertex{3, 4}13 v.Scale(10)14 fmt.Println(v.Abs())15 v.Zero()16 fmt.Println(v.Abs())17}
Zero
Using AI Code Generation
1import "fmt"2type got struct {3}4func (g got) zero() {5}6func (g *got) pointer() {7}8func main() {9 g := got{10 }11 fmt.Println(g)12 g.zero()13 fmt.Println(g)14 g.pointer()15 fmt.Println(g)16}
Zero
Using AI Code Generation
1import (2type Vertex struct {3}4func (v Vertex) Abs() float64 {5 return math.Sqrt(v.X*v.X + v.Y*v.Y)6}7func Abs(v Vertex) float64 {8 return math.Sqrt(v.X*v.X + v.Y*v.Y)9}10func (v *Vertex) Scale(f float64) {11}12func Scale(v *Vertex, f float64) {13}14func (v *Vertex) Zero() {15}16func Zero(v *Vertex) {17}18func main() {19 v := Vertex{3, 4}20 fmt.Println(v.Abs())21 fmt.Println(Abs(v))22 v.Scale(10)23 fmt.Println(v.Abs())24 fmt.Println(Abs(v))25 Scale(&v, 10)26 fmt.Println(v.Abs())27 fmt.Println(Abs(v))28 v.Zero()29 fmt.Println(v.Abs())30 fmt.Println(Abs(v))31 Zero(&v)32 fmt.Println(v.Abs())33 fmt.Println(Abs(v))34}
Zero
Using AI Code Generation
1import (2type Point struct {3}4func (p *Point) Distance(q Point) float64 {5 return math.Hypot(q.X-p.X, q.Y-p.Y)6}7func (p *Point) ScaleBy(factor float64) {8}9func (p *Point) MoveBy(x, y float64) {10}11func (p *Point) Print() {12 fmt.Println(p)13}14func (p *Point) Zero() {15}16func main() {17 p := Point{1, 2}18 p.Print()19 p.MoveBy(2, 3)20 p.Print()21 p.ScaleBy(2)22 p.Print()23 p.Zero()24 p.Print()25}
Zero
Using AI Code Generation
1import (2type Vertex struct {3}4func (v Vertex) Abs() float64 {5 return math.Sqrt(v.X*v.X + v.Y*v.Y)6}7func (v *Vertex) Scale(f float64) {8}9func (v *Vertex) Zero() {10}11func main() {12 v := Vertex{3, 4}13 v.Scale(10)14 v.Zero()15 fmt.Println(v.Abs())16}
Zero
Using AI Code Generation
1import (2type Vertex struct {3}4}5 return math.Sqrt(v.X*v.X + v.Y*v.Y)6}7func main() {8 fmt.Println(v, v.Abs())9}
Automation Testing Tutorials
Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.
LambdaTest Learning Hubs:
- JUnit Tutorial
- TestNG Tutorial
- Webdriver Tutorial
- WebDriverIO Tutorial
- Protractor Tutorial
- Selenium 4 Tutorial
- Jenkins Tutorial
- NUnit Tutorial
- Jest Tutorial
- Playwright Tutorial
- Cypress Tutorial
- PyTest Tutorial
YouTube
You could also refer to video tutorials over LambdaTest YouTube channel to get step by step demonstration from industry experts.
Run Got automation tests on LambdaTest cloud grid
Perform automation testing on 3000+ real desktop and mobile devices online.
Most used method in
- Fatal
- Fatalf
- Log
- Error
- Errorf
- Skipf
- Skip
- Run
- Parallel
- DoAfter
- PanicAfter
- Context
- Timeout
- RandStr
- RandInt
- ReadFile
- Open
- Read
- JSON
- ToJSON
- ToJSONString
- Write
- HandleHTTP
- Serve
- URL
- Route
- Req
- Bytes
- String
- err
- Report
- NewDefaultAssertionError
- hasNewline
- EnsureCoverage
- parseReport
- TestPanicAfter
- Desc
- Must
- Eq
- Neq
- Equal
- Gt
- Gte
- Lt
- Lte
- InDelta
- True
- False
- Nil
- NotNil
- Zero
- NotZero
- Regex
- Has
- Len
- Panic
- Is
- Count
- isNil
- hasStr
- Each
- normalizeIteratee
- callMethod
- filterMethods
- doSkip
- try
- Setup
- New
- DefaultFlags
- Fallback
- Stub
- StubFn
- Stop
- Proxy
- On
- When
- Return
- Times
- Once
Try LambdaTest Now !!
Get 100 minutes of automation test minutes FREE!!
Was this article helpful?
