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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 "testing/gtest/include/gtest/gtest.h" | |
11 | |
12 class ManifestIconDownloaderTest : public testing::Test { | |
13 protected: | |
14 ManifestIconDownloaderTest() = default; | |
15 ~ManifestIconDownloaderTest() override = default; | |
16 | |
17 int FindBitmap(const int ideal_icon_size_in_px, | |
18 const std::vector<SkBitmap>& bitmaps) { | |
19 return ManifestIconDownloader::FindClosestBitmapIndex( | |
20 ideal_icon_size_in_px, bitmaps); | |
21 } | |
22 | |
23 SkBitmap CreateDummyBitmap(int width, int height) { | |
24 SkBitmap bitmap; | |
25 bitmap.allocN32Pixels(width, height); | |
26 bitmap.setImmutable(); | |
27 return bitmap; | |
28 } | |
29 | |
30 DISALLOW_COPY_AND_ASSIGN(ManifestIconDownloaderTest); | |
31 }; | |
32 | |
33 TEST_F(ManifestIconDownloaderTest, NoIcons) { | |
34 ASSERT_EQ(-1, FindBitmap(0, std::vector<SkBitmap>())); | |
35 } | |
36 | |
37 TEST_F(ManifestIconDownloaderTest, ExactIsChosen) { | |
38 std::vector<SkBitmap> vector; | |
39 vector.push_back(CreateDummyBitmap(10, 10)); | |
40 | |
41 ASSERT_EQ(0, FindBitmap(10, vector)); | |
42 } | |
43 | |
44 TEST_F(ManifestIconDownloaderTest, BiggerIsChosen) { | |
45 std::vector<SkBitmap> vector; | |
46 vector.push_back(CreateDummyBitmap(20, 20)); | |
47 | |
48 ASSERT_EQ(0, FindBitmap(10, vector)); | |
49 } | |
50 | |
51 TEST_F(ManifestIconDownloaderTest, SmallerBelowIsIgnored) { | |
52 std::vector<SkBitmap> vector; | |
53 vector.push_back(CreateDummyBitmap(10, 10)); | |
54 | |
55 ASSERT_EQ(-1, FindBitmap(20, vector)); | |
56 } | |
57 | |
58 TEST_F(ManifestIconDownloaderTest, ExactIsPreferredOverBigger) { | |
59 std::vector<SkBitmap> vector; | |
60 vector.push_back(CreateDummyBitmap(20, 20)); | |
61 vector.push_back(CreateDummyBitmap(10, 10)); | |
62 | |
63 ASSERT_EQ(1, FindBitmap(10, vector)); | |
64 } | |
65 | |
66 TEST_F(ManifestIconDownloaderTest, ExactIsPreferredOverSmaller) { | |
67 std::vector<SkBitmap> vector; | |
68 vector.push_back(CreateDummyBitmap(20, 20)); | |
69 vector.push_back(CreateDummyBitmap(10, 10)); | |
70 | |
71 ASSERT_EQ(0, FindBitmap(20, vector)); | |
72 } | |
73 | |
74 TEST_F(ManifestIconDownloaderTest, BiggerIsPreferredOverCloserSmaller) { | |
75 std::vector<SkBitmap> vector; | |
76 vector.push_back(CreateDummyBitmap(20, 20)); | |
77 vector.push_back(CreateDummyBitmap(10, 10)); | |
78 | |
79 ASSERT_EQ(0, FindBitmap(11, vector)); | |
80 } | |
81 | |
82 TEST_F(ManifestIconDownloaderTest, ClosestToExactIsChosen) { | |
83 std::vector<SkBitmap> vector; | |
84 vector.push_back(CreateDummyBitmap(25, 25)); | |
85 vector.push_back(CreateDummyBitmap(20, 20)); | |
86 | |
87 ASSERT_EQ(1, FindBitmap(10, vector)); | |
88 } | |
89 | |
90 TEST_F(ManifestIconDownloaderTest, ClosestToExactIsChosenUnordered) { | |
gone
2015/08/19 22:21:08
how is this test different from ClosestToExactIsCh
Lalit Maganti
2015/08/20 16:48:00
It's not anymore because of the sorting restrictio
| |
91 std::vector<SkBitmap> vector; | |
92 vector.push_back(CreateDummyBitmap(25, 25)); | |
93 vector.push_back(CreateDummyBitmap(20, 20)); | |
94 | |
95 ASSERT_EQ(1, FindBitmap(10, vector)); | |
96 } | |
97 | |
98 TEST_F(ManifestIconDownloaderTest, MixedReturnsBiggestClosest) { | |
99 std::vector<SkBitmap> vector; | |
100 vector.push_back(CreateDummyBitmap(10, 10)); | |
101 vector.push_back(CreateDummyBitmap(8, 8)); | |
102 vector.push_back(CreateDummyBitmap(6, 6)); | |
103 | |
104 ASSERT_EQ(0, FindBitmap(9, vector)); | |
105 } | |
106 | |
107 TEST_F(ManifestIconDownloaderTest, MixedCanReturnMiddle) { | |
108 std::vector<SkBitmap> vector; | |
109 vector.push_back(CreateDummyBitmap(10, 10)); | |
110 vector.push_back(CreateDummyBitmap(8, 8)); | |
111 vector.push_back(CreateDummyBitmap(6, 6)); | |
112 | |
113 ASSERT_EQ(1, FindBitmap(7, vector)); | |
114 } | |
115 | |
116 TEST_F(ManifestIconDownloaderTest, NonSquareHeightIsIgnored) { | |
117 std::vector<SkBitmap> vector; | |
118 vector.push_back(CreateDummyBitmap(15, 10)); | |
119 | |
120 ASSERT_EQ(-1, FindBitmap(10, vector)); | |
121 } | |
122 | |
123 TEST_F(ManifestIconDownloaderTest, NonSquareWidthIsIgnored) { | |
124 std::vector<SkBitmap> vector; | |
125 vector.push_back(CreateDummyBitmap(15, 10)); | |
126 | |
127 ASSERT_EQ(-1, FindBitmap(15, vector)); | |
128 } | |
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