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| 1 // Copyright 2015 PDFium 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 "core/fpdfapi/fpdf_parser/fpdf_parser_decode.h" | |
| 6 | |
| 7 #include <cstring> | |
| 8 #include <string> | |
| 9 | |
| 10 #include "core/fxcrt/fx_basic.h" | |
| 11 #include "testing/embedder_test.h" | |
| 12 #include "testing/fx_string_testhelpers.h" | |
| 13 #include "testing/gtest/include/gtest/gtest.h" | |
| 14 #include "testing/test_support.h" | |
| 15 | |
| 16 class FPDFParserDecodeEmbeddertest : public EmbedderTest {}; | |
| 17 | |
| 18 // NOTE: python's zlib.compress() and zlib.decompress() may be useful for | |
| 19 // external validation of the FlateEncode/FlateDecode test cases. | |
| 20 | |
| 21 TEST_F(FPDFParserDecodeEmbeddertest, FlateEncode) { | |
| 22 pdfium::StrFuncTestData flate_encode_cases[] = { | |
| 23 STR_IN_OUT_CASE("", "\x78\x9c\x03\x00\x00\x00\x00\x01"), | |
| 24 STR_IN_OUT_CASE(" ", "\x78\x9c\x53\x00\x00\x00\x21\x00\x21"), | |
| 25 STR_IN_OUT_CASE("123", "\x78\x9c\x33\x34\x32\x06\x00\01\x2d\x00\x97"), | |
| 26 STR_IN_OUT_CASE("\x00\xff", "\x78\x9c\x63\xf8\x0f\x00\x01\x01\x01\x00"), | |
| 27 STR_IN_OUT_CASE( | |
| 28 "1 0 0 -1 29 763 cm\n0 0 555 735 re\nW n\nq\n0 0 555 734.394 re\n" | |
| 29 "W n\nq\n0.8009 0 0 0.8009 0 0 cm\n1 1 1 RG 1 1 1 rg\n/G0 gs\n" | |
| 30 "0 0 693 917 re\nf\nQ\nQ\n", | |
| 31 "\x78\x9c\x33\x54\x30\x00\x42\x5d\x43\x05\x23\x4b\x05\x73\x33\x63" | |
| 32 "\x85\xe4\x5c\x2e\x90\x80\xa9\xa9\xa9\x82\xb9\xb1\xa9\x42\x51\x2a" | |
| 33 "\x57\xb8\x42\x1e\x57\x21\x92\xa0\x89\x9e\xb1\xa5\x09\x92\x84\x9e" | |
| 34 "\x85\x81\x81\x25\xd8\x14\x24\x26\xd0\x18\x43\x05\x10\x0c\x72\x57" | |
| 35 "\x80\x30\x8a\xd2\xb9\xf4\xdd\x0d\x14\xd2\x8b\xc1\x46\x99\x59\x1a" | |
| 36 "\x2b\x58\x1a\x9a\x83\x8c\x49\xe3\x0a\x04\x42\x00\x37\x4c\x1b\x42"), | |
| 37 }; | |
| 38 | |
| 39 for (size_t i = 0; i < FX_ArraySize(flate_encode_cases); ++i) { | |
| 40 const pdfium::StrFuncTestData& data = flate_encode_cases[i]; | |
| 41 unsigned char* buf = nullptr; | |
| 42 unsigned int buf_size; | |
| 43 EXPECT_TRUE(FlateEncode(data.input, data.input_size, &buf, &buf_size)); | |
| 44 ASSERT_TRUE(buf); | |
| 45 EXPECT_EQ(std::string((const char*)data.expected, data.expected_size), | |
| 46 std::string((const char*)buf, buf_size)) | |
| 47 << " for case " << i; | |
| 48 FX_Free(buf); | |
| 49 } | |
| 50 } | |
| 51 | |
| 52 TEST_F(FPDFParserDecodeEmbeddertest, FlateDecode) { | |
| 53 pdfium::DecodeTestData flate_decode_cases[] = { | |
| 54 STR_IN_OUT_CASE("", "", 0), | |
| 55 STR_IN_OUT_CASE("preposterous nonsense", "", 2), | |
| 56 STR_IN_OUT_CASE("\x78\x9c\x03\x00\x00\x00\x00\x01", "", 8), | |
| 57 STR_IN_OUT_CASE("\x78\x9c\x53\x00\x00\x00\x21\x00\x21", " ", 9), | |
| 58 STR_IN_OUT_CASE("\x78\x9c\x33\x34\x32\x06\x00\01\x2d\x00\x97", "123", 11), | |
| 59 STR_IN_OUT_CASE("\x78\x9c\x63\xf8\x0f\x00\x01\x01\x01\x00", "\x00\xff", | |
| 60 10), | |
| 61 STR_IN_OUT_CASE( | |
| 62 "\x78\x9c\x33\x54\x30\x00\x42\x5d\x43\x05\x23\x4b\x05\x73\x33\x63" | |
| 63 "\x85\xe4\x5c\x2e\x90\x80\xa9\xa9\xa9\x82\xb9\xb1\xa9\x42\x51\x2a" | |
| 64 "\x57\xb8\x42\x1e\x57\x21\x92\xa0\x89\x9e\xb1\xa5\x09\x92\x84\x9e" | |
| 65 "\x85\x81\x81\x25\xd8\x14\x24\x26\xd0\x18\x43\x05\x10\x0c\x72\x57" | |
| 66 "\x80\x30\x8a\xd2\xb9\xf4\xdd\x0d\x14\xd2\x8b\xc1\x46\x99\x59\x1a" | |
| 67 "\x2b\x58\x1a\x9a\x83\x8c\x49\xe3\x0a\x04\x42\x00\x37\x4c\x1b\x42", | |
| 68 "1 0 0 -1 29 763 cm\n0 0 555 735 re\nW n\nq\n0 0 555 734.394 re\n" | |
| 69 "W n\nq\n0.8009 0 0 0.8009 0 0 cm\n1 1 1 RG 1 1 1 rg\n/G0 gs\n" | |
| 70 "0 0 693 917 re\nf\nQ\nQ\n", | |
| 71 96), | |
| 72 }; | |
| 73 | |
| 74 for (size_t i = 0; i < FX_ArraySize(flate_decode_cases); ++i) { | |
| 75 const pdfium::DecodeTestData& data = flate_decode_cases[i]; | |
| 76 unsigned char* result = nullptr; | |
| 77 unsigned int result_size; | |
| 78 EXPECT_EQ(data.processed_size, | |
| 79 FlateDecode(data.input, data.input_size, result, result_size)) | |
| 80 << " for case " << i; | |
| 81 ASSERT_TRUE(result); | |
| 82 EXPECT_EQ(std::string((const char*)data.expected, data.expected_size), | |
| 83 std::string((const char*)result, result_size)) | |
| 84 << " for case " << i; | |
| 85 FX_Free(result); | |
| 86 } | |
| 87 } | |
| 88 | |
| 89 TEST_F(FPDFParserDecodeEmbeddertest, Bug_552046) { | |
| 90 // Tests specifying multiple image filters for a stream. Should not cause a | |
| 91 // crash when rendered. | |
| 92 EXPECT_TRUE(OpenDocument("bug_552046.pdf")); | |
| 93 FPDF_PAGE page = LoadPage(0); | |
| 94 FPDF_BITMAP bitmap = RenderPage(page); | |
| 95 FPDFBitmap_Destroy(bitmap); | |
| 96 UnloadPage(page); | |
| 97 } | |
| 98 | |
| 99 TEST_F(FPDFParserDecodeEmbeddertest, Bug_555784) { | |
| 100 // Tests bad input to the run length decoder that caused a heap overflow. | |
| 101 // Should not cause a crash when rendered. | |
| 102 EXPECT_TRUE(OpenDocument("bug_555784.pdf")); | |
| 103 FPDF_PAGE page = LoadPage(0); | |
| 104 FPDF_BITMAP bitmap = RenderPage(page); | |
| 105 FPDFBitmap_Destroy(bitmap); | |
| 106 UnloadPage(page); | |
| 107 } | |
| 108 | |
| 109 TEST_F(FPDFParserDecodeEmbeddertest, Bug_455199) { | |
| 110 // Tests object numbers with a value > 01000000. | |
| 111 // Should open successfully. | |
| 112 EXPECT_TRUE(OpenDocument("bug_455199.pdf")); | |
| 113 FPDF_PAGE page = LoadPage(0); | |
| 114 FPDF_BITMAP bitmap = RenderPage(page); | |
| 115 FPDFBitmap_Destroy(bitmap); | |
| 116 UnloadPage(page); | |
| 117 } | |
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Chromium Code Reviews
Issue 2392603004:
Move core/fpdfapi/fpdf_parser to core/fpdfapi/parser (Closed)
