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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 <math.h> | |
6 #include <stdint.h> | |
7 | |
8 #include "base/macros.h" | |
9 #include "testing/gtest/include/gtest/gtest.h" | |
10 #include "ui/gfx/codec/chromeos/jpeg_codec_robust_slow.h" | |
11 | |
12 namespace { | |
13 | |
14 // A JPEG image used by TopSitesMigrationTest, whose size is 1x1. | |
15 // This image causes an invalid-read error to libjpeg-turbo 1.0.1. | |
16 const uint8_t kTopSitesMigrationTestImage[] = | |
17 "\xff\xd8\xff\xe0\x00\x10\x4a\x46\x49\x46\x00\x01\x01\x00\x00\x01" | |
18 "\x00\x01\x00\x00\xff\xdb\x00\x43\x00\x03\x02\x02\x03\x02\x02\x03" | |
19 "\x03\x03\x03\x04\x03\x03\x04\x05\x08\x05\x05\x04\x04\x05\x0a\x07" | |
20 "\x07\x06\x08\x0c\x0a\x0c\x0c\x0b\x0a\x0b\x0b\x0d\x0e\x12\x10\x0d" | |
21 "\x0e\x11\x0e\x0b\x0b\x10\x16\x10\x11\x13\x14\x15\x15\x15\x0c\x0f" | |
22 "\x17\x18\x16\x14\x18\x12\x14\x15\x14\xff\xdb\x00\x43\x01\x03\x04" | |
23 "\x04\x05\x04\x05\x09\x05\x05\x09\x14\x0d\x0b\x0d\x14\x14\x14\x14" | |
24 "\x14\x14\x14\x14\x14\x14\x14\x14\x14\x14\x14\x14\x14\x14\x14\x14" | |
25 "\x14\x14\x14\x14\x14\x14\x14\x14\x14\x14\x14\x14\x14\x14\x14\x14" | |
26 "\x14\x14\x14\x14\x14\x14\x14\x14\x14\x14\x14\x14\x14\x14\xff\xc0" | |
27 "\x00\x11\x08\x00\x01\x00\x01\x03\x01\x22\x00\x02\x11\x01\x03\x11" | |
28 "\x01\xff\xc4\x00\x1f\x00\x00\x01\x05\x01\x01\x01\x01\x01\x01\x00" | |
29 "\x00\x00\x00\x00\x00\x00\x00\x01\x02\x03\x04\x05\x06\x07\x08\x09" | |
30 "\x0a\x0b\xff\xc4\x00\xb5\x10\x00\x02\x01\x03\x03\x02\x04\x03\x05" | |
31 "\x05\x04\x04\x00\x00\x01\x7d\x01\x02\x03\x00\x04\x11\x05\x12\x21" | |
32 "\x31\x41\x06\x13\x51\x61\x07\x22\x71\x14\x32\x81\x91\xa1\x08\x23" | |
33 "\x42\xb1\xc1\x15\x52\xd1\xf0\x24\x33\x62\x72\x82\x09\x0a\x16\x17" | |
34 "\x18\x19\x1a\x25\x26\x27\x28\x29\x2a\x34\x35\x36\x37\x38\x39\x3a" | |
35 "\x43\x44\x45\x46\x47\x48\x49\x4a\x53\x54\x55\x56\x57\x58\x59\x5a" | |
36 "\x63\x64\x65\x66\x67\x68\x69\x6a\x73\x74\x75\x76\x77\x78\x79\x7a" | |
37 "\x83\x84\x85\x86\x87\x88\x89\x8a\x92\x93\x94\x95\x96\x97\x98\x99" | |
38 "\x9a\xa2\xa3\xa4\xa5\xa6\xa7\xa8\xa9\xaa\xb2\xb3\xb4\xb5\xb6\xb7" | |
39 "\xb8\xb9\xba\xc2\xc3\xc4\xc5\xc6\xc7\xc8\xc9\xca\xd2\xd3\xd4\xd5" | |
40 "\xd6\xd7\xd8\xd9\xda\xe1\xe2\xe3\xe4\xe5\xe6\xe7\xe8\xe9\xea\xf1" | |
41 "\xf2\xf3\xf4\xf5\xf6\xf7\xf8\xf9\xfa\xff\xc4\x00\x1f\x01\x00\x03" | |
42 "\x01\x01\x01\x01\x01\x01\x01\x01\x01\x00\x00\x00\x00\x00\x00\x01" | |
43 "\x02\x03\x04\x05\x06\x07\x08\x09\x0a\x0b\xff\xc4\x00\xb5\x11\x00" | |
44 "\x02\x01\x02\x04\x04\x03\x04\x07\x05\x04\x04\x00\x01\x02\x77\x00" | |
45 "\x01\x02\x03\x11\x04\x05\x21\x31\x06\x12\x41\x51\x07\x61\x71\x13" | |
46 "\x22\x32\x81\x08\x14\x42\x91\xa1\xb1\xc1\x09\x23\x33\x52\xf0\x15" | |
47 "\x62\x72\xd1\x0a\x16\x24\x34\xe1\x25\xf1\x17\x18\x19\x1a\x26\x27" | |
48 "\x28\x29\x2a\x35\x36\x37\x38\x39\x3a\x43\x44\x45\x46\x47\x48\x49" | |
49 "\x4a\x53\x54\x55\x56\x57\x58\x59\x5a\x63\x64\x65\x66\x67\x68\x69" | |
50 "\x6a\x73\x74\x75\x76\x77\x78\x79\x7a\x82\x83\x84\x85\x86\x87\x88" | |
51 "\x89\x8a\x92\x93\x94\x95\x96\x97\x98\x99\x9a\xa2\xa3\xa4\xa5\xa6" | |
52 "\xa7\xa8\xa9\xaa\xb2\xb3\xb4\xb5\xb6\xb7\xb8\xb9\xba\xc2\xc3\xc4" | |
53 "\xc5\xc6\xc7\xc8\xc9\xca\xd2\xd3\xd4\xd5\xd6\xd7\xd8\xd9\xda\xe2" | |
54 "\xe3\xe4\xe5\xe6\xe7\xe8\xe9\xea\xf2\xf3\xf4\xf5\xf6\xf7\xf8\xf9" | |
55 "\xfa\xff\xda\x00\x0c\x03\x01\x00\x02\x11\x03\x11\x00\x3f\x00\xf9" | |
56 "\xd2\x8a\x28\xaf\xc3\x0f\xf5\x4c\xff\xd9"; | |
57 | |
58 } // namespace | |
59 | |
60 namespace gfx { | |
61 | |
62 static void MakeRGBImage(int w, int h, std::vector<unsigned char>* dat) { | |
63 dat->resize(w * h * 3); | |
64 for (int y = 0; y < h; y++) { | |
65 for (int x = 0; x < w; x++) { | |
66 unsigned char* org_px = &(*dat)[(y * w + x) * 3]; | |
67 org_px[0] = x * 3; // r | |
68 org_px[1] = x * 3 + 1; // g | |
69 org_px[2] = x * 3 + 2; // b | |
70 } | |
71 } | |
72 } | |
73 | |
74 // Test that corrupted data decompression causes failures. | |
75 TEST(JPEGCodecRobustSlow, DecodeCorrupted) { | |
76 int w = 20, h = 20; | |
77 | |
78 // some random data (an uncompressed image) | |
79 std::vector<unsigned char> original; | |
80 MakeRGBImage(w, h, &original); | |
81 | |
82 // it should fail when given non-JPEG compressed data | |
83 std::vector<unsigned char> output; | |
84 int outw, outh; | |
85 ASSERT_FALSE(JPEGCodecRobustSlow::Decode(&original[0], original.size(), | |
86 JPEGCodecRobustSlow::FORMAT_RGB, | |
87 &output, &outw, &outh)); | |
88 } | |
89 | |
90 // Test that we can decode JPEG images without invalid-read errors on valgrind. | |
91 // This test decodes a 1x1 JPEG image and writes the decoded RGB (or RGBA) pixel | |
92 // to the output buffer without OOB reads. | |
93 TEST(JPEGCodecRobustSlow, InvalidRead) { | |
94 std::vector<unsigned char> output; | |
95 int outw, outh; | |
96 ASSERT_TRUE(JPEGCodecRobustSlow::Decode( | |
97 kTopSitesMigrationTestImage, arraysize(kTopSitesMigrationTestImage), | |
98 JPEGCodecRobustSlow::FORMAT_RGB, &output, &outw, &outh)); | |
99 ASSERT_TRUE(JPEGCodecRobustSlow::Decode( | |
100 kTopSitesMigrationTestImage, arraysize(kTopSitesMigrationTestImage), | |
101 JPEGCodecRobustSlow::FORMAT_RGBA, &output, &outw, &outh)); | |
102 } | |
103 | |
104 } // namespace gfx | |
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