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
10 namespace gfx {
11
TEST(ShadowValueTest,GetMargin)12 TEST(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