go/src/syscall/syscall_test.go

func testSetGetenv(t *testing.T, key, value string) { … }

func TestEnv(t *testing.T) { … }

// Check that permuting child process fds doesn't interfere with
// reporting of fork/exec status. See Issue 14979.
func TestExecErrPermutedFds(t *testing.T) { … }

func TestGettimeofday(t *testing.T) { … }