1[short] skip
2[!race] skip
3
4go test testrace
5
6! go test -race testrace
7stdout 'FAIL: TestRace'
8! stdout 'PASS'
9! stderr 'PASS'
10
11! go test -race testrace -run XXX -bench .
12stdout 'FAIL: BenchmarkRace'
13! stdout 'PASS'
14! stderr 'PASS'
15
16-- go.mod --
17module testrace
18
19go 1.16
20-- race_test.go --
21package testrace
22
23import "testing"
24
25func TestRace(t *testing.T) {
26 for i := 0; i < 10; i++ {
27 c := make(chan int)
28 x := 1
29 go func() {
30 x = 2
31 c <- 1
32 }()
33 x = 3
34 <-c
35 _ = x
36 }
37}
38
39func BenchmarkRace(b *testing.B) {
40 for i := 0; i < b.N; i++ {
41 c := make(chan int)
42 x := 1
43 go func() {
44 x = 2
45 c <- 1
46 }()
47 x = 3
48 <-c
49 _ = x
50 }
51}
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