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| 1 // Copyright 2015 PDFium Authors. All rights reserved. | 1 // Copyright 2015 PDFium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include <cstring> | 5 #include <cstring> |
| 6 #include <string> | 6 #include <string> |
| 7 | 7 |
| 8 #include "../../../../public/fpdfview.h" | 8 #include "../../../../public/fpdfview.h" |
| 9 #include "../../../../testing/fx_string_testhelpers.h" | 9 #include "../../../../testing/fx_string_testhelpers.h" |
| 10 #include "../../../include/fpdfapi/fpdf_parser.h" | 10 #include "../../../include/fpdfapi/fpdf_parser.h" |
| 11 #include "../../../include/fxcrt/fx_basic.h" | 11 #include "../../../include/fxcrt/fx_basic.h" |
| 12 #include "../../../testing/embedder_test.h" | 12 #include "../../../testing/embedder_test.h" |
| 13 #include "testing/gtest/include/gtest/gtest.h" | 13 #include "testing/gtest/include/gtest/gtest.h" |
| 14 | 14 |
| 15 class FPDFParserDecodeEmbeddertest : public EmbedderTest { | 15 class FPDFParserDecodeEmbeddertest : public EmbedderTest {}; |
| 16 }; | |
| 17 | 16 |
| 18 // NOTE: python's zlib.compress() and zlib.decompress() may be useful for | 17 // NOTE: python's zlib.compress() and zlib.decompress() may be useful for |
| 19 // external validation of the FlateEncode/FlateDecode test cases. | 18 // external validation of the FlateEncode/FlateDecode test cases. |
| 20 | 19 |
| 21 #define TEST_CASE(input_literal, expected_literal) \ | 20 #define TEST_CASE(input_literal, expected_literal) \ |
| 22 { (const unsigned char*)input_literal, sizeof(input_literal) - 1, \ | 21 { \ |
| 23 (const unsigned char*)expected_literal, sizeof(expected_literal) - 1 } | 22 (const unsigned char*) input_literal, sizeof(input_literal) - 1, \ |
| 23 (const unsigned char*)expected_literal, sizeof(expected_literal) - 1 \ |
| 24 } |
| 24 | 25 |
| 25 TEST_F(FPDFParserDecodeEmbeddertest, FlateEncode) { | 26 TEST_F(FPDFParserDecodeEmbeddertest, FlateEncode) { |
| 26 struct FlateEncodeCase { | 27 struct FlateEncodeCase { |
| 27 const unsigned char* input; | 28 const unsigned char* input; |
| 28 unsigned int input_size; | 29 unsigned int input_size; |
| 29 const unsigned char* expected; | 30 const unsigned char* expected; |
| 30 unsigned int expected_size; | 31 unsigned int expected_size; |
| 31 } flate_encode_cases[] = { | 32 } flate_encode_cases[] = { |
| 32 TEST_CASE("", "\x78\x9c\x03\x00\x00\x00\x00\x01"), | 33 TEST_CASE("", "\x78\x9c\x03\x00\x00\x00\x00\x01"), |
| 33 TEST_CASE(" ", "\x78\x9c\x53\x00\x00\x00\x21\x00\x21"), | 34 TEST_CASE(" ", "\x78\x9c\x53\x00\x00\x00\x21\x00\x21"), |
| 34 TEST_CASE("123", "\x78\x9c\x33\x34\x32\x06\x00\01\x2d\x00\x97"), | 35 TEST_CASE("123", "\x78\x9c\x33\x34\x32\x06\x00\01\x2d\x00\x97"), |
| 35 TEST_CASE("\x00\xff", "\x78\x9c\x63\xf8\x0f\x00\x01\x01\x01\x00"), | 36 TEST_CASE("\x00\xff", "\x78\x9c\x63\xf8\x0f\x00\x01\x01\x01\x00"), |
| 36 TEST_CASE("1 0 0 -1 29 763 cm\n0 0 555 735 re\nW n\nq\n0 0 555 734.394 re\n" | 37 TEST_CASE( |
| 37 "W n\nq\n0.8009 0 0 0.8009 0 0 cm\n1 1 1 RG 1 1 1 rg\n/G0 gs\n" | 38 "1 0 0 -1 29 763 cm\n0 0 555 735 re\nW n\nq\n0 0 555 734.394 re\n" |
| 38 "0 0 693 917 re\nf\nQ\nQ\n" | 39 "W n\nq\n0.8009 0 0 0.8009 0 0 cm\n1 1 1 RG 1 1 1 rg\n/G0 gs\n" |
| 39 , | 40 "0 0 693 917 re\nf\nQ\nQ\n", |
| 40 "\x78\x9c\x33\x54\x30\x00\x42\x5d\x43\x05\x23\x4b\x05\x73\x33\x63" | 41 "\x78\x9c\x33\x54\x30\x00\x42\x5d\x43\x05\x23\x4b\x05\x73\x33\x63" |
| 41 "\x85\xe4\x5c\x2e\x90\x80\xa9\xa9\xa9\x82\xb9\xb1\xa9\x42\x51\x2a" | 42 "\x85\xe4\x5c\x2e\x90\x80\xa9\xa9\xa9\x82\xb9\xb1\xa9\x42\x51\x2a" |
| 42 "\x57\xb8\x42\x1e\x57\x21\x92\xa0\x89\x9e\xb1\xa5\x09\x92\x84\x9e" | 43 "\x57\xb8\x42\x1e\x57\x21\x92\xa0\x89\x9e\xb1\xa5\x09\x92\x84\x9e" |
| 43 "\x85\x81\x81\x25\xd8\x14\x24\x26\xd0\x18\x43\x05\x10\x0c\x72\x57" | 44 "\x85\x81\x81\x25\xd8\x14\x24\x26\xd0\x18\x43\x05\x10\x0c\x72\x57" |
| 44 "\x80\x30\x8a\xd2\xb9\xf4\xdd\x0d\x14\xd2\x8b\xc1\x46\x99\x59\x1a" | 45 "\x80\x30\x8a\xd2\xb9\xf4\xdd\x0d\x14\xd2\x8b\xc1\x46\x99\x59\x1a" |
| 45 "\x2b\x58\x1a\x9a\x83\x8c\x49\xe3\x0a\x04\x42\x00\x37\x4c\x1b\x42" | 46 "\x2b\x58\x1a\x9a\x83\x8c\x49\xe3\x0a\x04\x42\x00\x37\x4c\x1b\x42"), |
| 46 ), | |
| 47 }; | 47 }; |
| 48 | 48 |
| 49 for (size_t i = 0; i < FX_ArraySize(flate_encode_cases); ++i) { | 49 for (size_t i = 0; i < FX_ArraySize(flate_encode_cases); ++i) { |
| 50 FlateEncodeCase* ptr = &flate_encode_cases[i]; | 50 FlateEncodeCase* ptr = &flate_encode_cases[i]; |
| 51 unsigned char* result; | 51 unsigned char* result; |
| 52 unsigned int result_size; | 52 unsigned int result_size; |
| 53 FlateEncode(ptr->input, ptr->input_size, result, result_size); | 53 FlateEncode(ptr->input, ptr->input_size, result, result_size); |
| 54 ASSERT_TRUE(result); | 54 ASSERT_TRUE(result); |
| 55 EXPECT_EQ(std::string((const char*)ptr->expected, ptr->expected_size), | 55 EXPECT_EQ(std::string((const char*)ptr->expected, ptr->expected_size), |
| 56 std::string((const char*)result, result_size)) | 56 std::string((const char*)result, result_size)) |
| 57 << " for case " << i; | 57 << " for case " << i; |
| 58 FX_Free(result); | 58 FX_Free(result); |
| 59 } | 59 } |
| 60 } | 60 } |
| 61 | 61 |
| 62 TEST_F(FPDFParserDecodeEmbeddertest, FlateDecode) { | 62 TEST_F(FPDFParserDecodeEmbeddertest, FlateDecode) { |
| 63 struct FlateDecodeCase { | 63 struct FlateDecodeCase { |
| 64 const unsigned char* input; | 64 const unsigned char* input; |
| 65 unsigned int input_size; | 65 unsigned int input_size; |
| 66 const unsigned char* expected; | 66 const unsigned char* expected; |
| 67 unsigned int expected_size; | 67 unsigned int expected_size; |
| 68 } flate_decode_cases[] = { | 68 } flate_decode_cases[] = { |
| 69 TEST_CASE("", ""), | 69 TEST_CASE("", ""), TEST_CASE("preposterous nonsense", ""), |
| 70 TEST_CASE("preposterous nonsense", ""), | 70 TEST_CASE("\x78\x9c\x03\x00\x00\x00\x00\x01", ""), |
| 71 TEST_CASE("\x78\x9c\x03\x00\x00\x00\x00\x01", ""), | 71 TEST_CASE("\x78\x9c\x53\x00\x00\x00\x21\x00\x21", " "), |
| 72 TEST_CASE("\x78\x9c\x53\x00\x00\x00\x21\x00\x21", " "), | 72 TEST_CASE("\x78\x9c\x33\x34\x32\x06\x00\01\x2d\x00\x97", "123"), |
| 73 TEST_CASE("\x78\x9c\x33\x34\x32\x06\x00\01\x2d\x00\x97", "123"), | 73 TEST_CASE("\x78\x9c\x63\xf8\x0f\x00\x01\x01\x01\x00", "\x00\xff"), |
| 74 TEST_CASE("\x78\x9c\x63\xf8\x0f\x00\x01\x01\x01\x00", "\x00\xff"), | 74 TEST_CASE( |
| 75 TEST_CASE("\x78\x9c\x33\x54\x30\x00\x42\x5d\x43\x05\x23\x4b\x05\x73\x33\x63" | 75 "\x78\x9c\x33\x54\x30\x00\x42\x5d\x43\x05\x23\x4b\x05\x73\x33\x63" |
| 76 "\x85\xe4\x5c\x2e\x90\x80\xa9\xa9\xa9\x82\xb9\xb1\xa9\x42\x51\x2a" | 76 "\x85\xe4\x5c\x2e\x90\x80\xa9\xa9\xa9\x82\xb9\xb1\xa9\x42\x51\x2a" |
| 77 "\x57\xb8\x42\x1e\x57\x21\x92\xa0\x89\x9e\xb1\xa5\x09\x92\x84\x9e" | 77 "\x57\xb8\x42\x1e\x57\x21\x92\xa0\x89\x9e\xb1\xa5\x09\x92\x84\x9e" |
| 78 "\x85\x81\x81\x25\xd8\x14\x24\x26\xd0\x18\x43\x05\x10\x0c\x72\x57" | 78 "\x85\x81\x81\x25\xd8\x14\x24\x26\xd0\x18\x43\x05\x10\x0c\x72\x57" |
| 79 "\x80\x30\x8a\xd2\xb9\xf4\xdd\x0d\x14\xd2\x8b\xc1\x46\x99\x59\x1a" | 79 "\x80\x30\x8a\xd2\xb9\xf4\xdd\x0d\x14\xd2\x8b\xc1\x46\x99\x59\x1a" |
| 80 "\x2b\x58\x1a\x9a\x83\x8c\x49\xe3\x0a\x04\x42\x00\x37\x4c\x1b\x42" | 80 "\x2b\x58\x1a\x9a\x83\x8c\x49\xe3\x0a\x04\x42\x00\x37\x4c\x1b\x42", |
| 81 , | 81 "1 0 0 -1 29 763 cm\n0 0 555 735 re\nW n\nq\n0 0 555 734.394 re\n" |
| 82 "1 0 0 -1 29 763 cm\n0 0 555 735 re\nW n\nq\n0 0 555 734.394 re\n" | 82 "W n\nq\n0.8009 0 0 0.8009 0 0 cm\n1 1 1 RG 1 1 1 rg\n/G0 gs\n" |
| 83 "W n\nq\n0.8009 0 0 0.8009 0 0 cm\n1 1 1 RG 1 1 1 rg\n/G0 gs\n" | 83 "0 0 693 917 re\nf\nQ\nQ\n"), |
| 84 "0 0 693 917 re\nf\nQ\nQ\n" | |
| 85 ), | |
| 86 }; | 84 }; |
| 87 | 85 |
| 88 for (size_t i = 0; i < FX_ArraySize(flate_decode_cases); ++i) { | 86 for (size_t i = 0; i < FX_ArraySize(flate_decode_cases); ++i) { |
| 89 FlateDecodeCase* ptr = &flate_decode_cases[i]; | 87 FlateDecodeCase* ptr = &flate_decode_cases[i]; |
| 90 unsigned char* result; | 88 unsigned char* result; |
| 91 unsigned int result_size; | 89 unsigned int result_size; |
| 92 FlateDecode(ptr->input, ptr->input_size, result, result_size); | 90 FlateDecode(ptr->input, ptr->input_size, result, result_size); |
| 93 ASSERT_TRUE(result); | 91 ASSERT_TRUE(result); |
| 94 EXPECT_EQ(std::string((const char*)ptr->expected, ptr->expected_size), | 92 EXPECT_EQ(std::string((const char*)ptr->expected, ptr->expected_size), |
| 95 std::string((const char*)result, result_size)) | 93 std::string((const char*)result, result_size)) |
| 96 << " for case " << i; | 94 << " for case " << i; |
| 97 FX_Free(result); | 95 FX_Free(result); |
| 98 } | 96 } |
| 99 } | 97 } |
| 100 | 98 |
| 101 | |
| 102 #undef TEST_CASE | 99 #undef TEST_CASE |
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