errors: new package
The only function is errors.New, at least for now.
R=r, gustavo, adg, r
CC=golang-dev
https://golang.org/cl/5321061
diff --git a/src/pkg/errors/errors_test.go b/src/pkg/errors/errors_test.go
new file mode 100644
index 0000000..c537eeb
--- /dev/null
+++ b/src/pkg/errors/errors_test.go
@@ -0,0 +1,33 @@
+// Copyright 2011 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 errors_test
+
+import (
+ . "errors"
+ "testing"
+)
+
+func TestNewEqual(t *testing.T) {
+ // Different allocations should not be equal.
+ if New("abc") == New("abc") {
+ t.Errorf(`New("abc") == New("abc")`)
+ }
+ if New("abc") == New("xyz") {
+ t.Errorf(`New("abc") == New("xyz")`)
+ }
+
+ // Same allocation should be equal to itself (not crash).
+ err := New("jkl")
+ if err != err {
+ t.Errorf(`err != err`)
+ }
+}
+
+func TestErrorMethod(t *testing.T) {
+ err := New("abc")
+ if err.Error() != "abc" {
+ t.Errorf(`New("abc").Error() = %q, want %q`, err.Error(), "abc")
+ }
+}
