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1 // Copyright 2015 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 "chrome/browser/manifest/manifest_icon_downloader.h" | |
6 | |
7 #include <string> | |
8 #include <vector> | |
9 | |
10 #include "base/macros.h" | |
11 #include "testing/gtest/include/gtest/gtest.h" | |
12 #include "third_party/skia/include/core/SkBitmap.h" | |
13 | |
14 class ManifestIconDownloaderTest : public testing::Test { | |
15 protected: | |
16 ManifestIconDownloaderTest() = default; | |
17 ~ManifestIconDownloaderTest() override = default; | |
18 | |
19 int FindBitmap(const int ideal_icon_size_in_px, | |
20 const int minimum_icon_size_in_px, | |
21 const std::vector<SkBitmap>& bitmaps) { | |
22 return ManifestIconDownloader::FindClosestBitmapIndex( | |
23 ideal_icon_size_in_px, minimum_icon_size_in_px, bitmaps); | |
24 } | |
25 | |
26 SkBitmap CreateDummyBitmap(int width, int height) { | |
27 SkBitmap bitmap; | |
28 bitmap.allocN32Pixels(width, height); | |
29 bitmap.setImmutable(); | |
30 return bitmap; | |
31 } | |
32 | |
33 DISALLOW_COPY_AND_ASSIGN(ManifestIconDownloaderTest); | |
34 }; | |
35 | |
36 TEST_F(ManifestIconDownloaderTest, NoIcons) { | |
37 ASSERT_EQ(-1, FindBitmap(0, 0, std::vector<SkBitmap>())); | |
38 } | |
39 | |
40 TEST_F(ManifestIconDownloaderTest, ExactIsChosen) { | |
41 std::vector<SkBitmap> bitmaps; | |
42 bitmaps.push_back(CreateDummyBitmap(10, 10)); | |
43 | |
44 ASSERT_EQ(0, FindBitmap(10, 0, bitmaps)); | |
45 } | |
46 | |
47 TEST_F(ManifestIconDownloaderTest, BiggerIsChosen) { | |
48 std::vector<SkBitmap> bitmaps; | |
49 bitmaps.push_back(CreateDummyBitmap(20, 20)); | |
50 | |
51 ASSERT_EQ(0, FindBitmap(10, 0, bitmaps)); | |
52 } | |
53 | |
54 TEST_F(ManifestIconDownloaderTest, SmallerBelowMinimumIsIgnored) { | |
55 std::vector<SkBitmap> bitmaps; | |
56 bitmaps.push_back(CreateDummyBitmap(10, 10)); | |
57 | |
58 ASSERT_EQ(-1, FindBitmap(20, 15, bitmaps)); | |
59 } | |
60 | |
61 TEST_F(ManifestIconDownloaderTest, SmallerAboveMinimumIsChosen) { | |
62 std::vector<SkBitmap> bitmaps; | |
63 bitmaps.push_back(CreateDummyBitmap(15, 15)); | |
64 | |
65 ASSERT_EQ(0, FindBitmap(20, 15, bitmaps)); | |
66 } | |
67 | |
68 TEST_F(ManifestIconDownloaderTest, ExactIsPreferredOverBigger) { | |
69 std::vector<SkBitmap> bitmaps; | |
70 bitmaps.push_back(CreateDummyBitmap(20, 20)); | |
71 bitmaps.push_back(CreateDummyBitmap(10, 10)); | |
72 | |
73 ASSERT_EQ(1, FindBitmap(10, 0, bitmaps)); | |
74 } | |
75 | |
76 TEST_F(ManifestIconDownloaderTest, ExactIsPreferredOverSmaller) { | |
77 std::vector<SkBitmap> bitmaps; | |
78 bitmaps.push_back(CreateDummyBitmap(20, 20)); | |
79 bitmaps.push_back(CreateDummyBitmap(10, 10)); | |
80 | |
81 ASSERT_EQ(0, FindBitmap(20, 0, bitmaps)); | |
82 } | |
83 | |
84 TEST_F(ManifestIconDownloaderTest, BiggerIsPreferredOverCloserSmaller) { | |
85 std::vector<SkBitmap> bitmaps; | |
86 bitmaps.push_back(CreateDummyBitmap(20, 20)); | |
87 bitmaps.push_back(CreateDummyBitmap(10, 10)); | |
88 | |
89 ASSERT_EQ(0, FindBitmap(11, 0, bitmaps)); | |
90 } | |
91 | |
92 TEST_F(ManifestIconDownloaderTest, ClosestToExactIsChosen) { | |
93 std::vector<SkBitmap> bitmaps; | |
94 bitmaps.push_back(CreateDummyBitmap(25, 25)); | |
95 bitmaps.push_back(CreateDummyBitmap(20, 20)); | |
96 | |
97 ASSERT_EQ(1, FindBitmap(10, 0, bitmaps)); | |
98 } | |
99 | |
100 TEST_F(ManifestIconDownloaderTest, MixedReturnsBiggestClosest) { | |
101 std::vector<SkBitmap> bitmaps; | |
102 bitmaps.push_back(CreateDummyBitmap(10, 10)); | |
103 bitmaps.push_back(CreateDummyBitmap(8, 8)); | |
104 bitmaps.push_back(CreateDummyBitmap(6, 6)); | |
105 | |
106 ASSERT_EQ(0, FindBitmap(9, 0, bitmaps)); | |
107 } | |
108 | |
109 TEST_F(ManifestIconDownloaderTest, MixedCanReturnMiddle) { | |
110 std::vector<SkBitmap> bitmaps; | |
111 bitmaps.push_back(CreateDummyBitmap(10, 10)); | |
112 bitmaps.push_back(CreateDummyBitmap(8, 8)); | |
113 bitmaps.push_back(CreateDummyBitmap(6, 6)); | |
114 | |
115 ASSERT_EQ(1, FindBitmap(7, 0, bitmaps)); | |
116 } | |
117 | |
118 TEST_F(ManifestIconDownloaderTest, SquareIsPickedOverNonSquare) { | |
119 std::vector<SkBitmap> bitmaps; | |
120 bitmaps.push_back(CreateDummyBitmap(5, 5)); | |
121 bitmaps.push_back(CreateDummyBitmap(10, 15)); | |
122 | |
123 ASSERT_EQ(0, FindBitmap(15, 5, bitmaps)); | |
124 ASSERT_EQ(0, FindBitmap(10, 5, bitmaps)); | |
125 } | |
126 | |
127 TEST_F(ManifestIconDownloaderTest, MostSquareNonSquareIsPicked) { | |
128 std::vector<SkBitmap> bitmaps; | |
129 bitmaps.push_back(CreateDummyBitmap(25, 35)); | |
130 bitmaps.push_back(CreateDummyBitmap(10, 11)); | |
131 | |
132 ASSERT_EQ(1, FindBitmap(25, 0, bitmaps)); | |
133 ASSERT_EQ(1, FindBitmap(35, 0, bitmaps)); | |
134 } | |
135 | |
136 TEST_F(ManifestIconDownloaderTest, NonSquareBelowMinimumIsNotPicked) { | |
137 std::vector<SkBitmap> bitmaps; | |
138 bitmaps.push_back(CreateDummyBitmap(10, 15)); | |
139 bitmaps.push_back(CreateDummyBitmap(15, 10)); | |
140 | |
141 ASSERT_EQ(-1, FindBitmap(15, 11, bitmaps)); | |
142 } | |
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