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# NOTE: this test is skipped on Windows, since there's no concept of signals.
# When a process terminates another process, it provides an exit code.
# TODO(jayconrod): support shared memory on more platforms.
[!darwin] [!freebsd] [!linux] skip
[short] skip
# FuzzNonCrash sends itself a signal that does not appear to be a crash.
# We should not save a crasher.
! go test -fuzz=FuzzNonCrash
! exists testdata
! stdout unreachable
! stderr unreachable
stdout 'fuzzing process terminated by unexpected signal; no crash will be recorded: signal: killed'
# FuzzCrash sends itself a signal that looks like a crash.
# We should save a crasher.
! go test -fuzz=FuzzCrash
exists testdata/fuzz/FuzzCrash
stdout 'fuzzing process terminated unexpectedly'
-- go.mod --
module test
go 1.17
-- fuzz_posix_test.go --
// +build darwin freebsd linux
package fuzz
import (
"syscall"
"testing"
)
func FuzzNonCrash(f *testing.F) {
f.Fuzz(func(*testing.T, bool) {
pid := syscall.Getpid()
if err := syscall.Kill(pid, syscall.SIGKILL); err != nil {
panic(err)
}
// signal may not be received immediately. Wait for it.
select{}
})
}
func FuzzCrash(f *testing.F) {
f.Fuzz(func(*testing.T, bool) {
pid := syscall.Getpid()
if err := syscall.Kill(pid, syscall.SIGILL); err != nil {
panic(err)
}
// signal may not be received immediately. Wait for it.
select{}
})
}
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