1 files changed, 92 insertions, 0 deletions
diff --git a/libgo/go/io/ioutil/ioutil_test.go b/libgo/go/io/ioutil/ioutil_test.go
new file mode 100644
index 0000000000..150ee6d632
--- /dev/null
+++ b/libgo/go/io/ioutil/ioutil_test.go
@@ -0,0 +1,92 @@
+// Copyright 2009 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 checkSize(t *testing.T, path string, size int64) {
+	dir, err := os.Stat(path)
+	if err != nil {
+		t.Fatalf("Stat %q (looking for size %d): %s", path, size, err)
+	}
+	if dir.Size != size {
+		t.Errorf("Stat %q: size %d want %d", path, dir.Size, size)
+	}
+}
+
+func TestReadFile(t *testing.T) {
+	filename := "rumpelstilzchen"
+	contents, err := ReadFile(filename)
+	if err == nil {
+		t.Fatalf("ReadFile %s: error expected, none found", filename)
+	}
+
+	filename = "ioutil_test.go"
+	contents, err = ReadFile(filename)
+	if err != nil {
+		t.Fatalf("ReadFile %s: %v", filename, err)
+	}
+
+	checkSize(t, filename, int64(len(contents)))
+}
+
+func TestWriteFile(t *testing.T) {
+	filename := "_test/rumpelstilzchen"
+	data := "Programming today is a race between software engineers striving to " +
+		"build bigger and better idiot-proof programs, and the Universe trying " +
+		"to produce bigger and better idiots. So far, the Universe is winning."
+
+	if err := WriteFile(filename, []byte(data), 0644); err != nil {
+		t.Fatalf("WriteFile %s: %v", filename, err)
+	}
+
+	contents, err := ReadFile(filename)
+	if err != nil {
+		t.Fatalf("ReadFile %s: %v", filename, err)
+	}
+
+	if string(contents) != data {
+		t.Fatalf("contents = %q\nexpected = %q", string(contents), data)
+	}
+
+	// cleanup
+	os.Remove(filename) // ignore error
+}
+
+
+func TestReadDir(t *testing.T) {
+	dirname := "rumpelstilzchen"
+	_, err := ReadDir(dirname)
+	if err == nil {
+		t.Fatalf("ReadDir %s: error expected, none found", dirname)
+	}
+
+	dirname = "."
+	list, err := ReadDir(dirname)
+	if err != nil {
+		t.Fatalf("ReadDir %s: %v", dirname, err)
+	}
+
+	foundTest := false
+	foundTestDir := false
+	for _, dir := range list {
+		switch {
+		case dir.IsRegular() && dir.Name == "ioutil_test.go":
+			foundTest = true
+		case dir.IsDirectory() && dir.Name == "_test":
+			foundTestDir = true
+		}
+	}
+	if !foundTest {
+		t.Fatalf("ReadDir %s: test file not found", dirname)
+	}
+	if !foundTestDir {
+		t.Fatalf("ReadDir %s: _test directory not found", dirname)
+	}
+}