1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
|
// Copyright 2015 PDFium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <cstring>
#include <memory>
#include <string>
#include "core/fpdfapi/parser/fpdf_parser_decode.h"
#include "public/cpp/fpdf_scopers.h"
#include "testing/embedder_test.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "testing/test_support.h"
using FPDFParserDecodeEmbeddertest = EmbedderTest;
// NOTE: python's zlib.compress() and zlib.decompress() may be useful for
// external validation of the FlateEncode/FlateDecode test cases.
TEST_F(FPDFParserDecodeEmbeddertest, FlateEncode) {
static const pdfium::StrFuncTestData flate_encode_cases[] = {
STR_IN_OUT_CASE("", "\x78\x9c\x03\x00\x00\x00\x00\x01"),
STR_IN_OUT_CASE(" ", "\x78\x9c\x53\x00\x00\x00\x21\x00\x21"),
STR_IN_OUT_CASE("123", "\x78\x9c\x33\x34\x32\x06\x00\01\x2d\x00\x97"),
STR_IN_OUT_CASE("\x00\xff", "\x78\x9c\x63\xf8\x0f\x00\x01\x01\x01\x00"),
STR_IN_OUT_CASE(
"1 0 0 -1 29 763 cm\n0 0 555 735 re\nW n\nq\n0 0 555 734.394 re\n"
"W n\nq\n0.8009 0 0 0.8009 0 0 cm\n1 1 1 RG 1 1 1 rg\n/G0 gs\n"
"0 0 693 917 re\nf\nQ\nQ\n",
"\x78\x9c\x33\x54\x30\x00\x42\x5d\x43\x05\x23\x4b\x05\x73\x33\x63"
"\x85\xe4\x5c\x2e\x90\x80\xa9\xa9\xa9\x82\xb9\xb1\xa9\x42\x51\x2a"
"\x57\xb8\x42\x1e\x57\x21\x92\xa0\x89\x9e\xb1\xa5\x09\x92\x84\x9e"
"\x85\x81\x81\x25\xd8\x14\x24\x26\xd0\x18\x43\x05\x10\x0c\x72\x57"
"\x80\x30\x8a\xd2\xb9\xf4\xdd\x0d\x14\xd2\x8b\xc1\x46\x99\x59\x1a"
"\x2b\x58\x1a\x9a\x83\x8c\x49\xe3\x0a\x04\x42\x00\x37\x4c\x1b\x42"),
};
for (size_t i = 0; i < FX_ArraySize(flate_encode_cases); ++i) {
const pdfium::StrFuncTestData& data = flate_encode_cases[i];
unsigned char* buf = nullptr;
uint32_t buf_size;
EXPECT_TRUE(FlateEncode(data.input, data.input_size, &buf, &buf_size));
ASSERT_TRUE(buf);
EXPECT_EQ(data.expected_size, buf_size) << " for case " << i;
if (data.expected_size != buf_size)
continue;
EXPECT_EQ(0, memcmp(data.expected, buf, data.expected_size))
<< " for case " << i;
FX_Free(buf);
}
}
TEST_F(FPDFParserDecodeEmbeddertest, FlateDecode) {
static const pdfium::DecodeTestData flate_decode_cases[] = {
STR_IN_OUT_CASE("", "", 0),
STR_IN_OUT_CASE("preposterous nonsense", "", 2),
STR_IN_OUT_CASE("\x78\x9c\x03\x00\x00\x00\x00\x01", "", 8),
STR_IN_OUT_CASE("\x78\x9c\x53\x00\x00\x00\x21\x00\x21", " ", 9),
STR_IN_OUT_CASE("\x78\x9c\x33\x34\x32\x06\x00\01\x2d\x00\x97", "123", 11),
STR_IN_OUT_CASE("\x78\x9c\x63\xf8\x0f\x00\x01\x01\x01\x00", "\x00\xff",
10),
STR_IN_OUT_CASE(
"\x78\x9c\x33\x54\x30\x00\x42\x5d\x43\x05\x23\x4b\x05\x73\x33\x63"
"\x85\xe4\x5c\x2e\x90\x80\xa9\xa9\xa9\x82\xb9\xb1\xa9\x42\x51\x2a"
"\x57\xb8\x42\x1e\x57\x21\x92\xa0\x89\x9e\xb1\xa5\x09\x92\x84\x9e"
"\x85\x81\x81\x25\xd8\x14\x24\x26\xd0\x18\x43\x05\x10\x0c\x72\x57"
"\x80\x30\x8a\xd2\xb9\xf4\xdd\x0d\x14\xd2\x8b\xc1\x46\x99\x59\x1a"
"\x2b\x58\x1a\x9a\x83\x8c\x49\xe3\x0a\x04\x42\x00\x37\x4c\x1b\x42",
"1 0 0 -1 29 763 cm\n0 0 555 735 re\nW n\nq\n0 0 555 734.394 re\n"
"W n\nq\n0.8009 0 0 0.8009 0 0 cm\n1 1 1 RG 1 1 1 rg\n/G0 gs\n"
"0 0 693 917 re\nf\nQ\nQ\n",
96),
};
for (size_t i = 0; i < FX_ArraySize(flate_decode_cases); ++i) {
const pdfium::DecodeTestData& data = flate_decode_cases[i];
unsigned char* buf = nullptr;
uint32_t buf_size;
EXPECT_EQ(data.processed_size,
FlateDecode(data.input, data.input_size, &buf, &buf_size))
<< " for case " << i;
ASSERT_TRUE(buf);
EXPECT_EQ(data.expected_size, buf_size) << " for case " << i;
if (data.expected_size != buf_size)
continue;
EXPECT_EQ(0, memcmp(data.expected, buf, data.expected_size))
<< " for case " << i;
FX_Free(buf);
}
}
TEST_F(FPDFParserDecodeEmbeddertest, Bug_552046) {
// Tests specifying multiple image filters for a stream. Should not cause a
// crash when rendered.
EXPECT_TRUE(OpenDocument("bug_552046.pdf"));
FPDF_PAGE page = LoadPage(0);
ASSERT_TRUE(page);
ScopedFPDFBitmap bitmap = RenderLoadedPage(page);
CompareBitmap(bitmap.get(), 612, 792, "1940568c9ba33bac5d0b1ee9558c76b3");
UnloadPage(page);
}
TEST_F(FPDFParserDecodeEmbeddertest, Bug_555784) {
// Tests bad input to the run length decoder that caused a heap overflow.
// Should not cause a crash when rendered.
EXPECT_TRUE(OpenDocument("bug_555784.pdf"));
FPDF_PAGE page = LoadPage(0);
ASSERT_TRUE(page);
ScopedFPDFBitmap bitmap = RenderLoadedPage(page);
CompareBitmap(bitmap.get(), 612, 792, "1940568c9ba33bac5d0b1ee9558c76b3");
UnloadPage(page);
}
TEST_F(FPDFParserDecodeEmbeddertest, Bug_455199) {
// Tests object numbers with a value > 01000000.
// Should open successfully.
EXPECT_TRUE(OpenDocument("bug_455199.pdf"));
FPDF_PAGE page = LoadPage(0);
ASSERT_TRUE(page);
ScopedFPDFBitmap bitmap = RenderLoadedPage(page);
#if _FX_PLATFORM_ == _FX_PLATFORM_APPLE_
const char kExpectedMd5sum[] = "b90475ca64d1348c3bf5e2b77ad9187a";
#elif _FX_PLATFORM_ == _FX_PLATFORM_WINDOWS_
const char kExpectedMd5sum[] = "795b7ce1626931aa06af0fa23b7d80bb";
#else
const char kExpectedMd5sum[] = "2baa4c0e1758deba1b9c908e1fbd04ed";
#endif
CompareBitmap(bitmap.get(), 200, 200, kExpectedMd5sum);
UnloadPage(page);
}
|
