// Copyright 2013 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. //go:build unix package os_test import ( "fmt" . "os" "testing" ) var setenvEinvalTests = []struct { k, v string }{ {"", ""}, // empty key {"k=v", ""}, // '=' in key {"\x00", ""}, // '\x00' in key {"k", "\x00"}, // '\x00' in value } func TestSetenvUnixEinval(t *testing.T) { for _, tt := range setenvEinvalTests { err := Setenv(tt.k, tt.v) if err == nil { t.Errorf(`Setenv(%q, %q) == nil, want error`, tt.k, tt.v) } } } var shellSpecialVarTests = []struct { k, v string }{ {"*", "asterisk"}, {"#", "pound"}, {"$", "dollar"}, {"@", "at"}, {"!", "exclamation mark"}, {"?", "question mark"}, {"-", "dash"}, } func TestExpandEnvShellSpecialVar(t *testing.T) { for _, tt := range shellSpecialVarTests { Setenv(tt.k, tt.v) defer Unsetenv(tt.k) argRaw := fmt.Sprintf("$%s", tt.k) argWithBrace := fmt.Sprintf("${%s}", tt.k) if gotRaw, gotBrace := ExpandEnv(argRaw), ExpandEnv(argWithBrace); gotRaw != gotBrace { t.Errorf("ExpandEnv(%q) = %q, ExpandEnv(%q) = %q; expect them to be equal", argRaw, gotRaw, argWithBrace, gotBrace) } } }