t.Errorf("unexpected %d files in TempDir: %v", len(files), files)
	}

	glob := filepath.Join(dir, "*.txt")
	if _, err := filepath.Glob(glob); err != nil {
		t.Error(err)
	}
}

func TestSetenv(t *testing.T) {
	tests := []struct {
		name               string
		key                string
		initialValueExists bool
		initialValue       string
		newValue           string
	}{
		{

func duplicateSymbols() {
	fmt.Printf("%v %v %v\n", C.base_symbol, C.alias_one, C.alias_two)
}

// environment

// This is really an os package test but here for convenience.
func testSetEnv(t *testing.T) {
	if runtime.GOOS == "windows" {
		// Go uses SetEnvironmentVariable on windows. However,
		// C runtime takes a *copy* at process startup of the
		// OS environment, and stores it in environ/envp.