// license that can be found in the LICENSE file.

package os_test

import (
	. "os"
	"reflect"
	"strings"
	"testing"
)

// testGetenv gives us a controlled set of variables for testing Expand.
func testGetenv(s string) string {
	switch s {
	case "*":
		return "all the args"
	case "#":
		return "NARGS"
	case "$":
		return "PID"
	case "1":
		return "ARGUMENT1"

func TestReturnAfterGrow(t *testing.T)       { testReturnAfterGrow(t) }
func TestReturnAfterGrowFromGo(t *testing.T) { testReturnAfterGrowFromGo(t) }
func TestSetEnv(t *testing.T)                { testSetEnv(t) }
func TestThreadLock(t *testing.T)            { testThreadLockFunc(t) }
func TestUnsignedInt(t *testing.T)           { testUnsignedInt(t) }

		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.