github.com/ice-blockchain/go/src@v0.0.0-20240403114104-1564d284e521/runtime/race/testdata/time_test.go (about)

     1  // Copyright 2011 The Go Authors. All rights reserved.
     2  // Use of this source code is governed by a BSD-style
     3  // license that can be found in the LICENSE file.
     4  
     5  package race_test
     6  
     7  import (
     8  	"testing"
     9  	"time"
    10  )
    11  
    12  func TestNoRaceAfterFunc(_ *testing.T) {
    13  	v := 0
    14  	_ = v
    15  	c := make(chan int)
    16  	f := func() {
    17  		v = 1
    18  		c <- 0
    19  	}
    20  	v = 2
    21  	time.AfterFunc(1, f)
    22  	<-c
    23  	v = 3
    24  }
    25  
    26  func TestNoRaceAfterFuncReset(_ *testing.T) {
    27  	v := 0
    28  	_ = v
    29  	c := make(chan int)
    30  	f := func() {
    31  		v = 1
    32  		c <- 0
    33  	}
    34  	t := time.AfterFunc(time.Hour, f)
    35  	t.Stop()
    36  	v = 2
    37  	t.Reset(1)
    38  	<-c
    39  	v = 3
    40  }
    41  
    42  func TestNoRaceTimer(_ *testing.T) {
    43  	v := 0
    44  	_ = v
    45  	c := make(chan int)
    46  	f := func() {
    47  		v = 1
    48  		c <- 0
    49  	}
    50  	v = 2
    51  	t := time.NewTimer(1)
    52  	go func() {
    53  		<-t.C
    54  		f()
    55  	}()
    56  	<-c
    57  	v = 3
    58  }
    59  
    60  func TestNoRaceTimerReset(_ *testing.T) {
    61  	v := 0
    62  	_ = v
    63  	c := make(chan int)
    64  	f := func() {
    65  		v = 1
    66  		c <- 0
    67  	}
    68  	t := time.NewTimer(time.Hour)
    69  	go func() {
    70  		<-t.C
    71  		f()
    72  	}()
    73  	t.Stop()
    74  	v = 2
    75  	t.Reset(1)
    76  	<-c
    77  	v = 3
    78  }
    79  
    80  func TestNoRaceTicker(_ *testing.T) {
    81  	v := 0
    82  	_ = v
    83  	c := make(chan int)
    84  	f := func() {
    85  		v = 1
    86  		c <- 0
    87  	}
    88  	v = 2
    89  	t := time.NewTicker(1)
    90  	go func() {
    91  		<-t.C
    92  		f()
    93  	}()
    94  	<-c
    95  	v = 3
    96  }
    97  
    98  func TestNoRaceTickerReset(_ *testing.T) {
    99  	v := 0
   100  	_ = v
   101  	c := make(chan int)
   102  	f := func() {
   103  		v = 1
   104  		c <- 0
   105  	}
   106  	t := time.NewTicker(time.Hour)
   107  	go func() {
   108  		<-t.C
   109  		f()
   110  	}()
   111  	t.Stop()
   112  	v = 2
   113  	t.Reset(1)
   114  	<-c
   115  	v = 3
   116  }