1# Test that when both race detection and coverage instrumentation are enabled,
2# and seed values are being executed, the race detector isn't mistakenly
3# triggered.
4
5[short] skip
6[!fuzz] skip
7[!race] skip
8env GOCACHE=$WORK/cache
9
10# Test with coverage instrumentation enabled (-fuzz) and race instrumentation
11# but without actually fuzzing the target (by using a non-matching pattern)
12go test -fuzz=xxx -race -v
13! stderr 'race detected during execution of test'
14
15# Test with just race instrumentation enabled
16go test -race -v
17! stderr 'race detected during execution of test'
18
19# Test with coverage and race instrumentation enabled, and a matching fuzz
20# pattern
21go test -fuzz=FuzzRace -race -v -fuzztime=200x
22! stderr 'race detected during execution of test'
23
24-- go.mod --
25module test
26
27-- race_test.go --
28package race
29
30import "testing"
31
32func FuzzRace(f *testing.F) {
33 for i := 0; i < 100; i++ {
34 f.Add(i)
35 }
36
37 f.Fuzz(func(t *testing.T, i int) {
38 t.Parallel()
39 })
40}
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