want := fmt.Sprintf("%sHello World%s", hostname, hostname)
	if have != want {
		t.Fatalf("c program output is wrong: got %q, want %q", have, want)
	}
}

func TestGetwd_DoesNotPanicWhenPathIsLong(t *testing.T) {
	// Regression test for https://github.com/golang/go/issues/60051.

	// The length of a filename is also limited, so we can't reproduce the