go/src/os/env_test.go

// testGetenv gives us a controlled set of variables for testing Expand.
func testGetenv(s string) string { … }

var expandTests …

func TestExpand(t *testing.T) { … }

var global …

func BenchmarkExpand(b *testing.B) { … }

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

func TestUnsetenv(t *testing.T) { … }

func TestClearenv(t *testing.T) { … }

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

// On Windows, Environ was observed to report keys with a single leading "=".
// Check that they are properly reported by LookupEnv and can be set by SetEnv.
// See https://golang.org/issue/49886.
func TestEnvironConsistency(t *testing.T) { … }