1 files changed, 37 insertions, 0 deletions
diff --git a/src/pkg/io/utils_test.go b/src/pkg/io/utils_test.go
new file mode 100644
index 000000000..f35dad60c
--- /dev/null
+++ b/src/pkg/io/utils_test.go
@@ -0,0 +1,37 @@
+// 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 io
+
+import (
+	"io";
+	"os";
+	"testing";
+)
+
+func checkSize(t *testing.T, path string, size uint64) {
+	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 = "utils_test.go";
+	contents, err = ReadFile(filename);
+	if err != nil {
+		t.Fatalf("ReadFile %s: %v", filename, err);
+	}
+
+	checkSize(t, filename, uint64(len(contents)));
+}