1[!fuzz] skip
2[short] skip
3env GOCACHE=$WORK/cache
4
5# Warm up the build cache with GOMAXPROCS unrestricted.
6go test -c -o $devnull
7
8# For the fuzzing phase, we reduce GOMAXPROCS to avoid consuming too many
9# resources during the test. Ideally this would just free up resources to run
10# other parallel tests more quickly, but unfortunately it is actually necessary
11# in some 32-bit environments to prevent the fuzzing engine from running out of
12# address space (see https://go.dev/issue/65434).
13env GOMAXPROCS=2
14
15# The fuzz function should be able to detect whether -timeout
16# was set with T.Deadline. Note there is no F.Deadline, and
17# there is no timeout while fuzzing, even if -fuzztime is set.
18go test -run=FuzzDeadline -wantdeadline=true # -timeout defaults to 10m
19go test -run=FuzzDeadline -timeout=0 -wantdeadline=false
20! go test -run=FuzzDeadline -timeout=1s -wantdeadline=false
21go test -run=FuzzDeadline -timeout=1s -wantdeadline=true
22go test -fuzz=FuzzDeadline -timeout=0 -fuzztime=1s -wantdeadline=false
23go test -fuzz=FuzzDeadline -timeout=0 -fuzztime=100x -wantdeadline=false
24
25-- go.mod --
26module fuzz
27
28go 1.16
29-- fuzz_deadline_test.go --
30package fuzz_test
31
32import (
33 "flag"
34 "testing"
35)
36
37var wantDeadline = flag.Bool("wantdeadline", false, "whether the test should have a deadline")
38
39func FuzzDeadline(f *testing.F) {
40 f.Add("run once")
41 f.Fuzz(func (t *testing.T, _ string) {
42 if _, hasDeadline := t.Deadline(); hasDeadline != *wantDeadline {
43 t.Fatalf("function got %v; want %v", hasDeadline, *wantDeadline)
44 }
45 })
46}
View as plain text