From ccd992355df7192993c666236047820244914598 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Tue, 16 Apr 2024 21:19:13 +0200
Subject: Adding upstream version 1.21.8.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 src/os/env_unix_test.go | 56 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 56 insertions(+)
 create mode 100644 src/os/env_unix_test.go

(limited to 'src/os/env_unix_test.go')

diff --git a/src/os/env_unix_test.go b/src/os/env_unix_test.go
new file mode 100644
index 0000000..4609fc3
--- /dev/null
+++ b/src/os/env_unix_test.go
@@ -0,0 +1,56 @@
+// 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)
+		}
+	}
+}
-- 
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