1// Copyright (c) 2011 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#include "testing/gtest/include/gtest/gtest.h"
6
7#include "base/memory/scoped_ptr.h"
8#include "ui/base/view_prop.h"
9
10namespace {
11const char kKey1[] = "key_1";
12const char kKey2[] = "key_2";
13}  // namespace
14
15namespace ui {
16
17// Test a handful of viewprop assertions.
18TEST(ViewPropTest, Basic) {
19  gfx::AcceleratedWidget nv1 = reinterpret_cast<gfx::AcceleratedWidget>(1);
20  gfx::AcceleratedWidget nv2 = reinterpret_cast<gfx::AcceleratedWidget>(2);
21
22  void* data1 = reinterpret_cast<void*>(11);
23  void* data2 = reinterpret_cast<void*>(12);
24
25  // Initial value for a new view/key pair should be NULL.
26  EXPECT_EQ(NULL, ViewProp::GetValue(nv1, kKey1));
27
28  {
29    // Register a value for a view/key pair.
30    ViewProp prop(nv1, kKey1, data1);
31    EXPECT_EQ(data1, ViewProp::GetValue(nv1, kKey1));
32  }
33
34  // The property fell out of scope, so the value should now be NULL.
35  EXPECT_EQ(NULL, ViewProp::GetValue(nv1, kKey1));
36
37  {
38    // Register a value for a view/key pair.
39    scoped_ptr<ViewProp> v1(new ViewProp(nv1, kKey1, data1));
40    EXPECT_EQ(data1, ViewProp::GetValue(nv1, kKey1));
41
42    // Register a value for the same view/key pair.
43    scoped_ptr<ViewProp> v2(new ViewProp(nv1, kKey1, data2));
44    // The new value should take over.
45    EXPECT_EQ(data2, ViewProp::GetValue(nv1, kKey1));
46
47    // Null out the first ViewProp, which should NULL out the value.
48    v1.reset(NULL);
49    EXPECT_EQ(NULL, ViewProp::GetValue(nv1, kKey1));
50  }
51
52  // The property fell out of scope, so the value should now be NULL.
53  EXPECT_EQ(NULL, ViewProp::GetValue(nv1, kKey1));
54
55  {
56    // Register a value for a view/key pair.
57    scoped_ptr<ViewProp> v1(new ViewProp(nv1, kKey1, data1));
58    scoped_ptr<ViewProp> v2(new ViewProp(nv2, kKey2, data2));
59    EXPECT_EQ(data1, ViewProp::GetValue(nv1, kKey1));
60    EXPECT_EQ(data2, ViewProp::GetValue(nv2, kKey2));
61
62    v1.reset(NULL);
63    EXPECT_EQ(NULL, ViewProp::GetValue(nv1, kKey1));
64    EXPECT_EQ(data2, ViewProp::GetValue(nv2, kKey2));
65
66    v2.reset(NULL);
67    EXPECT_EQ(NULL, ViewProp::GetValue(nv1, kKey1));
68    EXPECT_EQ(NULL, ViewProp::GetValue(nv2, kKey2));
69  }
70}
71
72}  // namespace ui
73