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/parser/fpdf_parser_decode.h" 6 7 #include "testing/gtest/include/gtest/gtest.h" 8 #include "testing/test_support.h" 9 10 TEST(fpdf_parser_decode, A85Decode) { 11 pdfium::DecodeTestData test_data[] = { 12 // Empty src string. 13 STR_IN_OUT_CASE("", "", 0), 14 // Empty content in src string. 15 STR_IN_OUT_CASE("~>", "", 0), 16 // Regular conversion. 17 STR_IN_OUT_CASE("FCfN8~>", "test", 7), 18 // End at the ending mark. 19 STR_IN_OUT_CASE("FCfN8~>FCfN8", "test", 7), 20 // Skip whitespaces. 21 STR_IN_OUT_CASE("\t F C\r\n \tf N 8 ~>", "test", 17), 22 // No ending mark. 23 STR_IN_OUT_CASE("@3B0)DJj_BF*)>@Gp#-s", "a funny story :)", 20), 24 // Non-multiple length. 25 STR_IN_OUT_CASE("12A", "2k", 3), 26 // Stop at unknown characters. 27 STR_IN_OUT_CASE("FCfN8FCfN8vw", "testtest", 11), 28 }; 29 for (size_t i = 0; i < FX_ArraySize(test_data); ++i) { 30 pdfium::DecodeTestData* ptr = &test_data[i]; 31 uint8_t* result = nullptr; 32 uint32_t result_size = 0; 33 EXPECT_EQ(ptr->processed_size, 34 A85Decode(ptr->input, ptr->input_size, &result, &result_size)) 35 << "for case " << i; 36 ASSERT_EQ(ptr->expected_size, result_size); 37 for (size_t j = 0; j < result_size; ++j) { 38 EXPECT_EQ(ptr->expected[j], result[j]) << "for case " << i << " char " 39 << j; 40 } 41 FX_Free(result); 42 } 43 } 44 45 TEST(fpdf_parser_decode, HexDecode) { 46 pdfium::DecodeTestData test_data[] = { 47 // Empty src string. 48 STR_IN_OUT_CASE("", "", 0), 49 // Empty content in src string. 50 STR_IN_OUT_CASE(">", "", 1), 51 // Only whitespaces in src string. 52 STR_IN_OUT_CASE("\t \r\n>", "", 7), 53 // Regular conversion. 54 STR_IN_OUT_CASE("12Ac>zzz", "\x12\xac", 5), 55 // Skip whitespaces. 56 STR_IN_OUT_CASE("12 Ac\t02\r\nBF>zzz>", "\x12\xac\x02\xbf", 13), 57 // Non-multiple length. 58 STR_IN_OUT_CASE("12A>zzz", "\x12\xa0", 4), 59 // Skips unknown characters. 60 STR_IN_OUT_CASE("12tk \tAc>zzz", "\x12\xac", 10), 61 // No ending mark. 62 STR_IN_OUT_CASE("12AcED3c3456", "\x12\xac\xed\x3c\x34\x56", 12), 63 }; 64 for (size_t i = 0; i < FX_ArraySize(test_data); ++i) { 65 pdfium::DecodeTestData* ptr = &test_data[i]; 66 uint8_t* result = nullptr; 67 uint32_t result_size = 0; 68 EXPECT_EQ(ptr->processed_size, 69 HexDecode(ptr->input, ptr->input_size, &result, &result_size)) 70 << "for case " << i; 71 ASSERT_EQ(ptr->expected_size, result_size); 72 for (size_t j = 0; j < result_size; ++j) { 73 EXPECT_EQ(ptr->expected[j], result[j]) << "for case " << i << " char " 74 << j; 75 } 76 FX_Free(result); 77 } 78 } 79 80 TEST(fpdf_parser_decode, EncodeText) { 81 struct EncodeTestData { 82 const wchar_t* input; 83 const char* expected_output; 84 size_t expected_length; 85 } test_data[] = { 86 // Empty src string. 87 {L"", "", 0}, 88 // ASCII text. 89 {L"the quick\tfox", "the quick\tfox", 13}, 90 // Unicode text. 91 {L"\x0330\x0331", "\xFE\xFF\x03\x30\x03\x31", 6}, 92 // More Unicode text. 93 {L"\x7F51\x9875\x0020\x56FE\x7247\x0020" 94 L"\x8D44\x8BAF\x66F4\x591A\x0020\x00BB", 95 "\xFE\xFF\x7F\x51\x98\x75\x00\x20\x56\xFE\x72\x47\x00" 96 "\x20\x8D\x44\x8B\xAF\x66\xF4\x59\x1A\x00\x20\x00\xBB", 97 26}, 98 }; 99 100 for (size_t i = 0; i < FX_ArraySize(test_data); ++i) { 101 const auto& test_case = test_data[i]; 102 ByteString output = PDF_EncodeText(test_case.input); 103 ASSERT_EQ(test_case.expected_length, output.GetLength()) << "for case " 104 << i; 105 const char* str_ptr = output.c_str(); 106 for (size_t j = 0; j < test_case.expected_length; ++j) { 107 EXPECT_EQ(test_case.expected_output[j], str_ptr[j]) << "for case " << i 108 << " char " << j; 109 } 110 } 111 } 112
