How to use IsEmpty method of td Package

Best Go-testdeep code snippet using td.IsEmpty

flight_control.go

Source:flight_control.go Github

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1package control2import (3 "fmt"4 "sync"5 "time"6 "gobot.io/x/gobot/platforms/dji/tello"7)8const THROTTLE_INIT = 409type Flyable interface {10 Forward(throttle int)11 Backward(throttle int)12 Left(throttle int)13 Right(throttle int)14 Up(throttle int)15 Down(throttle int)16 Clockwise(throttle int)17 CounterClockwise(throttle int)18}19type FlightController struct {20 ThrottleEvents EventQueue21 ForwardEvents EventQueue22 BackEvents EventQueue23 LeftEvents EventQueue24 RightEvents EventQueue25 UpEvents EventQueue26 DownEvents EventQueue27 ClockwiseEvents EventQueue28 CounterClockwiseEvents EventQueue29 vehicle Flyable30 throttle int31 mu *sync.Mutex32}33func NewFlightController(vehicle Flyable) *FlightController {34 return &FlightController{35 ThrottleEvents: NewEventQueue(),36 ForwardEvents: NewEventQueue(),37 BackEvents: NewEventQueue(),38 LeftEvents: NewEventQueue(),39 RightEvents: NewEventQueue(),40 UpEvents: NewEventQueue(),41 DownEvents: NewEventQueue(),42 ClockwiseEvents: NewEventQueue(),43 CounterClockwiseEvents: NewEventQueue(),44 vehicle: vehicle,45 throttle: THROTTLE_INIT,46 mu: &sync.Mutex{},47 }48}49func (fc *FlightController) StartControl() {50 go fc.processLoop()51}52func (fc *FlightController) processLoop() {53 for {54 fc.ProcessAll()55 time.Sleep(25 * time.Millisecond)56 }57}58func (fc *FlightController) ProcessAll() {59 fc.ProcessThrottleChange()60 fc.ProcessForwardEvents()61 fc.ProcessBackEvents()62 fc.ProcessLeftEvents()63 fc.ProcessRightEvents()64 fc.ProcessUpEvents()65 fc.ProcessDownEvents()66 fc.ProcessClockwiseEvents()67 fc.ProcessCounterClockwiseEvents()68}69func (fc *FlightController) ThrottleUp() {70 fc.mu.Lock()71 defer fc.mu.Unlock()72 fc.ThrottleEvents = fc.ThrottleEvents.Push(1)73}74func (fc *FlightController) ThrottleDown() {75 fc.mu.Lock()76 defer fc.mu.Unlock()77 fc.ThrottleEvents = fc.ThrottleEvents.Push(-1)78}79func (fc *FlightController) Forward() {80 fc.mu.Lock()81 defer fc.mu.Unlock()82 fc.ForwardEvents = fc.ForwardEvents.Push(fc.throttle)83}84func (fc *FlightController) Backward() {85 fc.mu.Lock()86 defer fc.mu.Unlock()87 fc.BackEvents = fc.BackEvents.Push(fc.throttle)88}89func (fc *FlightController) Left() {90 fc.mu.Lock()91 defer fc.mu.Unlock()92 fc.LeftEvents = fc.LeftEvents.Push(fc.throttle)93}94func (fc *FlightController) Right() {95 fc.mu.Lock()96 defer fc.mu.Unlock()97 fc.RightEvents = fc.RightEvents.Push(fc.throttle)98}99func (fc *FlightController) Up() {100 fc.mu.Lock()101 defer fc.mu.Unlock()102 fc.UpEvents = fc.UpEvents.Push(fc.throttle)103}104func (fc *FlightController) Down() {105 fc.mu.Lock()106 defer fc.mu.Unlock()107 fc.DownEvents = fc.DownEvents.Push(fc.throttle)108}109func (fc *FlightController) Clockwise() {110 fc.mu.Lock()111 defer fc.mu.Unlock()112 fc.ClockwiseEvents = fc.ClockwiseEvents.Push(fc.throttle)113}114func (fc *FlightController) CounterClockwise() {115 fc.mu.Lock()116 defer fc.mu.Unlock()117 fc.CounterClockwiseEvents = fc.CounterClockwiseEvents.Push(fc.throttle)118}119func (fc *FlightController) ProcessThrottleChange() {120 fc.mu.Lock()121 defer fc.mu.Unlock()122 if !fc.ThrottleEvents.isEmpty() {123 ev, q := fc.ThrottleEvents.Pop()124 fc.throttle += ev125 fc.ThrottleEvents = q126 }127}128func (fc *FlightController) ProcessForwardEvents() {129 fc.mu.Lock()130 defer fc.mu.Unlock()131 if !fc.ForwardEvents.isEmpty() {132 ev, q := fc.ForwardEvents.Pop()133 fc.vehicle.Forward(ev)134 fc.ForwardEvents = q135 fmt.Println("fwprocess")136 }137}138func (fc *FlightController) ProcessBackEvents() {139 fc.mu.Lock()140 defer fc.mu.Unlock()141 if !fc.BackEvents.isEmpty() {142 ev, q := fc.BackEvents.Pop()143 fc.vehicle.Backward(ev)144 fc.BackEvents = q145 }146}147func (fc *FlightController) ProcessLeftEvents() {148 fc.mu.Lock()149 defer fc.mu.Unlock()150 if !fc.LeftEvents.isEmpty() {151 ev, q := fc.LeftEvents.Pop()152 fc.vehicle.Left(ev)153 fc.LeftEvents = q154 }155}156func (fc *FlightController) ProcessRightEvents() {157 fc.mu.Lock()158 defer fc.mu.Unlock()159 if !fc.RightEvents.isEmpty() {160 ev, q := fc.RightEvents.Pop()161 fc.vehicle.Right(ev)162 fc.RightEvents = q163 } else {164 fc.vehicle.Right(0)165 }166}167func (fc *FlightController) ProcessUpEvents() {168 fc.mu.Lock()169 defer fc.mu.Unlock()170 if !fc.UpEvents.isEmpty() {171 ev, q := fc.UpEvents.Pop()172 fc.vehicle.Up(ev)173 fc.UpEvents = q174 }175}176func (fc *FlightController) ProcessDownEvents() {177 fc.mu.Lock()178 defer fc.mu.Unlock()179 if !fc.DownEvents.isEmpty() {180 ev, q := fc.DownEvents.Pop()181 fc.vehicle.Down(ev)182 fc.DownEvents = q183 }184}185func (fc *FlightController) ProcessClockwiseEvents() {186 fc.mu.Lock()187 defer fc.mu.Unlock()188 if !fc.ClockwiseEvents.isEmpty() {189 ev, q := fc.ClockwiseEvents.Pop()190 fc.vehicle.Clockwise(ev)191 fc.ClockwiseEvents = q192 }193}194func (fc *FlightController) ProcessCounterClockwiseEvents() {195 fc.mu.Lock()196 defer fc.mu.Unlock()197 if !fc.CounterClockwiseEvents.isEmpty() {198 ev, q := fc.CounterClockwiseEvents.Pop()199 fc.vehicle.CounterClockwise(ev)200 fc.CounterClockwiseEvents = q201 }202}203// TelloDrone implements Flyable and is in charge of actually calling204// the driver to make offboard communication to the drone205type TelloDrone struct {206 driver *tello.Driver207 throttle int208}209func NewTelloDrone(driver *tello.Driver) *TelloDrone {210 return &TelloDrone{211 driver: driver,212 }213}214func (td *TelloDrone) Forward(throttle int) {215 td.driver.Forward(throttle)216}217func (td *TelloDrone) Backward(throttle int) {218 td.driver.Backward(throttle)219}220func (td *TelloDrone) Left(throttle int) {221 td.driver.Left(throttle)222}223func (td *TelloDrone) Right(throttle int) {224 td.driver.Right(throttle)225}226func (td *TelloDrone) Up(throttle int) {227 td.driver.Up(throttle)228}229func (td *TelloDrone) Down(throttle int) {230 td.driver.Down(throttle)231}232func (td *TelloDrone) Clockwise(throttle int) {233 td.driver.Clockwise(throttle)234}235func (td *TelloDrone) CounterClockwise(throttle int) {236 td.driver.CounterClockwise(throttle)237}238// EventQueue is used to process drone events239// it iss basically just a queue240type EventQueue []int241func NewEventQueue() EventQueue {242 return EventQueue(make([]int, 0))243}244func (eq EventQueue) Push(val int) EventQueue {245 eq = eq.PushZeroIfEmpty()246 return append(eq, val)247}248func (eq EventQueue) Peek() int {249 return eq[0]250}251func (eq EventQueue) Pop() (int, EventQueue) {252 next, eq := eq[0], eq[1:]253 if eq.isEmpty() && (next != 0) {254 eq = append(eq, 0)255 }256 return next, eq257}258func (eq EventQueue) isEmpty() bool {259 if len(eq) == 0 {260 return true261 }262 return false263}264func (eq EventQueue) PushZeroIfEmpty() EventQueue {265 if eq.isEmpty() {266 return append(eq, 0)267 }268 return eq269}...

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td_empty.go

Source:td_empty.go Github

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1// Copyright (c) 2018, Maxime Soulé2// All rights reserved.3//4// This source code is licensed under the BSD-style license found in the5// LICENSE file in the root directory of this source tree.6package td7import (8 "reflect"9 "github.com/maxatome/go-testdeep/internal/ctxerr"10 "github.com/maxatome/go-testdeep/internal/types"11)12const emptyBadKind = "array OR chan OR map OR slice OR string OR pointer(s) on them"13type tdEmpty struct {14 baseOKNil15}16var _ TestDeep = &tdEmpty{}17// summary(Empty): checks that an array, a channel, a map, a slice or18// a string is empty19// input(Empty): str,array,slice,map,ptr(ptr on array/slice/map/string),chan20// Empty operator checks that an array, a channel, a map, a slice or a21// string is empty. As a special case (non-typed) nil, as well as nil22// channel, map or slice are considered empty.23//24// Note that the compared data can be a pointer (of pointer of pointer25// etc.) on an array, a channel, a map, a slice or a string.26//27// td.Cmp(t, "", td.Empty()) // succeeds28// td.Cmp(t, map[string]bool{}, td.Empty()) // succeeds29// td.Cmp(t, []string{"foo"}, td.Empty()) // fails30func Empty() TestDeep {31 return &tdEmpty{32 baseOKNil: newBaseOKNil(3),33 }34}35// isEmpty returns (isEmpty, kindError) boolean values with only 336// possible cases:37// - true, false → "got" is empty38// - false, false → "got" is not empty39// - false, true → "got" kind is not compatible with emptiness40func isEmpty(got reflect.Value) (bool, bool) {41 switch got.Kind() {42 case reflect.Array, reflect.Chan, reflect.Map, reflect.Slice, reflect.String:43 return got.Len() == 0, false44 case reflect.Ptr:45 switch got.Type().Elem().Kind() {46 case reflect.Array, reflect.Chan, reflect.Map, reflect.Slice,47 reflect.String:48 if got.IsNil() {49 return true, false50 }51 fallthrough52 case reflect.Ptr:53 return isEmpty(got.Elem())54 default:55 return false, true // bad kind56 }57 default:58 // nil case59 if !got.IsValid() {60 return true, false61 }62 return false, true // bad kind63 }64}65func (e *tdEmpty) Match(ctx ctxerr.Context, got reflect.Value) (err *ctxerr.Error) {66 ok, badKind := isEmpty(got)67 if ok {68 return nil69 }70 if ctx.BooleanError {71 return ctxerr.BooleanError72 }73 if badKind {74 return ctx.CollectError(ctxerr.BadKind(got, emptyBadKind))75 }76 return ctx.CollectError(&ctxerr.Error{77 Message: "not empty",78 Got: got,79 Expected: types.RawString("empty"),80 })81}82func (e *tdEmpty) String() string {83 return "Empty()"84}85type tdNotEmpty struct {86 baseOKNil87}88var _ TestDeep = &tdNotEmpty{}89// summary(NotEmpty): checks that an array, a channel, a map, a slice90// or a string is not empty91// input(NotEmpty): str,array,slice,map,ptr(ptr on array/slice/map/string),chan92// NotEmpty operator checks that an array, a channel, a map, a slice93// or a string is not empty. As a special case (non-typed) nil, as94// well as nil channel, map or slice are considered empty.95//96// Note that the compared data can be a pointer (of pointer of pointer97// etc.) on an array, a channel, a map, a slice or a string.98//99// td.Cmp(t, "", td.NotEmpty()) // fails100// td.Cmp(t, map[string]bool{}, td.NotEmpty()) // fails101// td.Cmp(t, []string{"foo"}, td.NotEmpty()) // succeeds102func NotEmpty() TestDeep {103 return &tdNotEmpty{104 baseOKNil: newBaseOKNil(3),105 }106}107func (e *tdNotEmpty) Match(ctx ctxerr.Context, got reflect.Value) (err *ctxerr.Error) {108 ok, badKind := isEmpty(got)109 if ok {110 if ctx.BooleanError {111 return ctxerr.BooleanError112 }113 return ctx.CollectError(&ctxerr.Error{114 Message: "empty",115 Got: got,116 Expected: types.RawString("not empty"),117 })118 }119 if badKind {120 if ctx.BooleanError {121 return ctxerr.BooleanError122 }123 return ctx.CollectError(ctxerr.BadKind(got, emptyBadKind))124 }125 return nil126}127func (e *tdNotEmpty) String() string {128 return "NotEmpty()"129}...

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IsEmpty

Using AI Code Generation

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

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IsEmpty

Using AI Code Generation

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1import "fmt"2type td struct {3}4func (t *td) IsEmpty() bool {5}6func main() {7 fmt.Println(t.IsEmpty())8}9import "fmt"10type td struct {11}12func (t *td) IsEmpty() bool {13}14func main() {15 t := &td{}16 fmt.Println(t.IsEmpty())17}18import "fmt"19type td struct {20}21func (t *td) IsEmpty() bool {22}23func main() {24 t := &td{a: 1}25 fmt.Println(t.IsEmpty())26}27import "fmt"28type td struct {29}30func (t *td) IsEmpty() bool {31}32func main() {33 t := td{a: 1}34 fmt.Println(t.IsEmpty())35}36import "fmt"37type td struct {38}39func (t *td) IsEmpty() bool {40}41func main() {42 t := td{}43 fmt.Println(t.IsEmpty())44}45import "fmt"46type td struct {47}48func (t td) IsEmpty() bool {49}50func main() {51 t := td{}52 fmt.Println(t.IsEmpty())53}54import "fmt"55type td struct {56}57func (t td) IsEmpty() bool {58}59func main() {60 t := td{}61 fmt.Println(t.IsEmpty())62}

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IsEmpty

Using AI Code Generation

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1import (2func main() {3 s := td{}4 fmt.Println(s.IsEmpty())5}6import (7func main() {8 s := td{}9 fmt.Println(s.IsEmpty())10}11import (12func main() {13 s := td{}14 fmt.Println(s.IsEmpty())15}16import (17func main() {18 s := td{}19 fmt.Println(s.IsEmpty())20}21import (22func main() {23 s := td{}24 fmt.Println(s.IsEmpty())25}26import (27func main() {28 s := td{}29 fmt.Println(s.IsEmpty())30}31import (32func main() {33 s := td{}34 fmt.Println(s.IsEmpty())35}36import (37func main() {38 s := td{}39 fmt.Println(s.IsEmpty())40}41import (42func main() {43 s := td{}44 fmt.Println(s.IsEmpty())45}46import (47func main() {48 s := td{}49 fmt.Println(s.IsEmpty())50}51import (52func main() {53 s := td{}54 fmt.Println(s.IsEmpty())55}56import (57func main() {58 s := td{}59 fmt.Println(s.IsEmpty())60}61import (

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IsEmpty

Using AI Code Generation

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1import (2func main() {3 fmt.Println("Is td empty?", td.IsEmpty())4}5import (6func main() {7 fmt.Println("Is td empty?", td.IsEmpty())8}9import (10func main() {11 fmt.Println("Is td empty?", td.IsEmpty())12}13import (14func main() {15 fmt.Println("Is td empty?", td.IsEmpty())16}17import (18func main() {19 fmt.Println("Is td empty?", td.IsEmpty())20}21import (22func main() {23 fmt.Println("Is td empty?", td.IsEmpty())24}25import (26func main() {27 fmt.Println("Is td empty?", td.IsEmpty())28}29import (30func main() {31 fmt.Println("Is td empty?", td.IsEmpty())32}33import (34func main() {35 fmt.Println("Is td empty?", td.IsEmpty())36}37import (38func main() {39 fmt.Println("Is td empty?", td.IsEmpty())40}41import (42func main() {43 fmt.Println("Is td empty?", td.IsEmpty())44}

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IsEmpty

Using AI Code Generation

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1import "fmt"2func main() {3 td = td{1, 2}4 fmt.Printf("td: %v5 fmt.Printf("td.IsEmpty(): %v6", td.IsEmpty())7 td = td{0, 0}8 fmt.Printf("td: %v9 fmt.Printf("td.IsEmpty(): %v10", td.IsEmpty())11}12td: {1 2}13td.IsEmpty(): false14td: {0 0}15td.IsEmpty(): true16If we want to use td.IsEmpty() as a method on the pointer type, we can define a method with the same name on the pointer type:17import "fmt"18func (td *td) IsEmpty() bool {19}20func main() {21 td = td{1, 2}22 fmt.Printf("td: %v23 fmt.Printf("td.IsEmpty(): %v24", td.IsEmpty())25 td = td{0, 0}26 fmt.Printf("td: %v27 fmt.Printf("td.IsEmpty(): %v28", td.IsEmpty())29}30td: {1 2}31td.IsEmpty(): false32td: {0 0}33td.IsEmpty(): true34As a general rule, all methods on a given type should have either value or pointer receivers, but not a mixture of both. (We'll see why over the next few pages.)

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IsEmpty

Using AI Code Generation

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1import (2func main() {3 t = test1.TD{1, 2}4 fmt.Println(t.IsEmpty())5}6type TD struct {7}8func (t TD) IsEmpty() bool {9}

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IsEmpty

Using AI Code Generation

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1import (2func main() {3 t := td.TD{}4 t.SetTitle("GoLangTutorials")5 fmt.Println(t.IsEmpty())6}

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IsEmpty

Using AI Code Generation

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1import (2func main() {3 td := strings.TrimSpace(" ")4 fmt.Println(td.IsEmpty())5}6Related posts: Golang | strings.Index() method Golang | strings.ContainsAny() method Golang | strings.ContainsRune() method Golang | strings.Count() method Golang | strings.EqualFold() method Golang | strings.Fields() method Golang | strings.HasSuffix() method Golang | strings.IndexFunc() method Golang | strings.Join() method Golang | strings.LastIndex() method Golang | strings.Map() method Golang | strings.Repeat() method Golang | strings.Replace() method Golang | strings.Split() method Golang | strings.SplitAfter() method Golang | strings.SplitAfterN() method Golang | strings.SplitN() method Golang | strings.Title() method Golang | strings.ToLower() method Golang | strings.ToUpper() method Golang | strings.ToTitle() method Golang | strings.ToTitleSpecial() method Golang | strings.Trim() method Golang | strings.TrimLeft() method Golang | strings.TrimPrefix() method Golang | strings.TrimRight() method Golang | strings.TrimSpace() method Golang | strings.TrimSuffix() method Golang | strings.IndexByte() method Golang | strings.IndexRune() method Golang | strings.Compare() method Golang | strings.Contains() method Golang | strings.HasPrefix() method Golang | strings.IndexAny() method Golang | strings.LastIndexAny() method Golang | strings.LastIndexByte() method Golang | strings.LastIndexFunc() method Golang | strings.LastIndexRune() method Golang | strings.NewReader() method Golang | strings.ReplaceAll() method Golang | strings.ToValidUTF8() method Golang | strings.Builder.WriteString() method Golang | strings.Builder.WriteRune() method Golang | strings.Builder.Write() method Golang | strings.Builder.Len() method Golang | strings.Builder.Reset() method Golang | strings.Builder.String() method Golang | strings.NewReader.Read() method Golang | strings.NewReader.ReadAt() method Golang | strings.NewReader.ReadRune() method Golang | strings.NewReader.Seek() method Golang | strings.NewReader.Size() method Golang | strings.NewReader.UnreadRune() method Golang | strings.Reader.Read() method Golang | strings.Reader.ReadAt() method Golang | strings.Reader.ReadRune() method Golang |

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