initial commit

Signed-off-by: Derek McQuay <derekmcquay@gmail.com>

vendor/cloud.google.com/go/internal/pretty/diff_test.go

@@ -0,0 +1,50 @@
+// Copyright 2016 Google Inc. All Rights Reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package pretty
+
+import "testing"
+
+func TestDiff(t *testing.T) {
+	for _, test := range []struct {
+		v1, v2 interface{}
+		ok     bool
+		want   string
+	}{
+		{5, 5, true, ""},
+		{"foo", "foo", true, ""},
+		{[]int{1, 2, 3}, []int{1, 0, 3}, false, `--- want
++++ got
+@@ -1,5 +1,5 @@
+ []int{
+     1,
+-    2,
++    0,
+     3,
+ }
+`},
+	} {
+		got, ok, err := Diff(test.v1, test.v2)
+		if err != nil {
+			t.Errorf("%v vs. %v: %v", test.v1, test.v2, err)
+			continue
+		}
+		if ok != test.ok {
+			t.Errorf("%v vs. %v: got %t, want %t", test.v1, test.v2, ok, test.ok)
+		}
+		if got != test.want {
+			t.Errorf("%v vs. %v: got:\n%q\nwant:\n%q", test.v1, test.v2, got, test.want)
+		}
+	}
+}