1// Copyright (c) 2012 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 "base/basictypes.h"
6#include "testing/gtest/include/gtest/gtest.h"
7#include "ui/gfx/insets.h"
8#include "ui/gfx/shadow_value.h"
9
10namespace gfx {
11
12TEST(ShadowValueTest, GetMargin) {
13  const struct TestCase {
14    Insets expected_margin;
15    size_t shadow_count;
16    ShadowValue shadows[2];
17  } kTestCases[] = {
18    {
19      Insets(), 0, {},
20    },
21    {
22      Insets(-2, -2, -2, -2),
23      1,
24      { ShadowValue(gfx::Point(0, 0), 4, 0), },
25    },
26    {
27      Insets(0, -1, -4, -3),
28      1,
29      { ShadowValue(gfx::Point(1, 2), 4, 0), },
30    },
31    {
32      Insets(-4, -3, 0, -1),
33      1,
34      { ShadowValue(gfx::Point(-1, -2), 4, 0), },
35    },
36    {
37      Insets(0, -1, -5, -4),
38      2,
39      {
40        ShadowValue(gfx::Point(1, 2), 4, 0),
41        ShadowValue(gfx::Point(2, 3), 4, 0),
42      },
43    },
44    {
45      Insets(-4, -3, -5, -4),
46      2,
47      {
48        ShadowValue(gfx::Point(-1, -2), 4, 0),
49        ShadowValue(gfx::Point(2, 3), 4, 0),
50      },
51    },
52  };
53
54  for (size_t i = 0; i < ARRAYSIZE_UNSAFE(kTestCases); ++i) {
55    Insets margin = ShadowValue::GetMargin(
56        ShadowValues(kTestCases[i].shadows,
57                     kTestCases[i].shadows + kTestCases[i].shadow_count));
58
59    EXPECT_EQ(kTestCases[i].expected_margin, margin) << " i=" << i;
60  }
61}
62
63}  // namespace gfx
64