io/ioutil: add TempFile

R=r
CC=golang-dev
http://codereview.appspot.com/1472042

1 files changed, 29 insertions, 0 deletions

diff --git a/src/pkg/io/ioutil/tempfile_test.go b/src/pkg/io/ioutil/tempfile_test.go
new file mode 100644
index 000000000..fbe45dc6d
--- /dev/null
+++ b/src/pkg/io/ioutil/tempfile_test.go
@@ -0,0 +1,29 @@
+// Copyright 2010 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.
+
+package ioutil_test
+
+import (
+	. "io/ioutil"
+	"os"
+	"testing"
+)
+
+func TestTempFile(t *testing.T) {
+	f, err := TempFile("/_not_exists_", "foo")
+	if f != nil || err == nil {
+		t.Errorf("TempFile(`/_not_exists_`, `foo`) = %v, %v", f, err)
+	}
+
+	f, err = TempFile("/tmp", "ioutil_test")
+	if f == nil || err != nil {
+		t.Errorf("TempFile(`/tmp`, `ioutil_test`) = %v, %v", f, err)
+	}
+	re := testing.MustCompile("^/tmp/ioutil_test[0-9]+$")
+	if !re.MatchString(f.Name()) {
+		t.Fatalf("TempFile(`/tmp`, `ioutil_test`) created bad name %s", f.Name())
+	}
+	os.Remove(f.Name())
+	f.Close()
+}