1e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganov// Copyright 2015 PDFium Authors. All rights reserved. 2e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganov// Use of this source code is governed by a BSD-style license that can be 3e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganov// found in the LICENSE file. 4e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganov 5e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganov#include <cstring> 6e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganov#include <string> 7e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganov 8e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganov#include "../../../../public/fpdfview.h" 9e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganov#include "../../../../testing/fx_string_testhelpers.h" 10e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganov#include "../../../include/fpdfapi/fpdf_parser.h" 11e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganov#include "../../../include/fxcrt/fx_basic.h" 12e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganov#include "../../../testing/embedder_test.h" 13e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganov#include "testing/gtest/include/gtest/gtest.h" 14e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganov 15e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganovclass FPDFParserDecodeEmbeddertest : public EmbedderTest { 16e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganov}; 17e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganov 18e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganov// NOTE: python's zlib.compress() and zlib.decompress() may be useful for 19e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganov// external validation of the FlateEncode/FlateDecode test cases. 20e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganov 21e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganov#define TEST_CASE(input_literal, expected_literal) \ 22e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganov { (const unsigned char*)input_literal, sizeof(input_literal) - 1, \ 23e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganov (const unsigned char*)expected_literal, sizeof(expected_literal) - 1 } 24e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganov 25e6986e1e8d4a57987f47c215490cb080a65ee29aSvet GanovTEST_F(FPDFParserDecodeEmbeddertest, FlateEncode) { 26e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganov struct FlateEncodeCase { 27e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganov const unsigned char* input; 28e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganov unsigned int input_size; 29e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganov const unsigned char* expected; 30e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganov unsigned int expected_size; 31e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganov } flate_encode_cases[] = { 32e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganov TEST_CASE("", "\x78\x9c\x03\x00\x00\x00\x00\x01"), 33e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganov TEST_CASE(" ", "\x78\x9c\x53\x00\x00\x00\x21\x00\x21"), 34e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganov TEST_CASE("123", "\x78\x9c\x33\x34\x32\x06\x00\01\x2d\x00\x97"), 35e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganov TEST_CASE("\x00\xff", "\x78\x9c\x63\xf8\x0f\x00\x01\x01\x01\x00"), 36e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganov TEST_CASE("1 0 0 -1 29 763 cm\n0 0 555 735 re\nW n\nq\n0 0 555 734.394 re\n" 37e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganov "W n\nq\n0.8009 0 0 0.8009 0 0 cm\n1 1 1 RG 1 1 1 rg\n/G0 gs\n" 38e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganov "0 0 693 917 re\nf\nQ\nQ\n" 39e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganov , 40e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganov "\x78\x9c\x33\x54\x30\x00\x42\x5d\x43\x05\x23\x4b\x05\x73\x33\x63" 41e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganov "\x85\xe4\x5c\x2e\x90\x80\xa9\xa9\xa9\x82\xb9\xb1\xa9\x42\x51\x2a" 42e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganov "\x57\xb8\x42\x1e\x57\x21\x92\xa0\x89\x9e\xb1\xa5\x09\x92\x84\x9e" 43e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganov "\x85\x81\x81\x25\xd8\x14\x24\x26\xd0\x18\x43\x05\x10\x0c\x72\x57" 44e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganov "\x80\x30\x8a\xd2\xb9\xf4\xdd\x0d\x14\xd2\x8b\xc1\x46\x99\x59\x1a" 45e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganov "\x2b\x58\x1a\x9a\x83\x8c\x49\xe3\x0a\x04\x42\x00\x37\x4c\x1b\x42" 46e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganov ), 47e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganov }; 48e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganov 49e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganov for (size_t i = 0; i < FX_ArraySize(flate_encode_cases); ++i) { 50e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganov FlateEncodeCase* ptr = &flate_encode_cases[i]; 51e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganov unsigned char* result; 52e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganov unsigned int result_size; 53e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganov FlateEncode(ptr->input, ptr->input_size, result, result_size); 54e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganov ASSERT_TRUE(result); 55e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganov EXPECT_EQ(std::string((const char*)ptr->expected, ptr->expected_size), 56e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganov std::string((const char*)result, result_size)) 57e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganov << " for case " << i; 58e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganov FX_Free(result); 59e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganov } 60e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganov} 61e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganov 62e6986e1e8d4a57987f47c215490cb080a65ee29aSvet GanovTEST_F(FPDFParserDecodeEmbeddertest, FlateDecode) { 63e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganov struct FlateDecodeCase { 64e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganov const unsigned char* input; 65e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganov unsigned int input_size; 66e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganov const unsigned char* expected; 67e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganov unsigned int expected_size; 68e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganov } flate_decode_cases[] = { 69e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganov TEST_CASE("", ""), 70e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganov TEST_CASE("preposterous nonsense", ""), 71e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganov TEST_CASE("\x78\x9c\x03\x00\x00\x00\x00\x01", ""), 72e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganov TEST_CASE("\x78\x9c\x53\x00\x00\x00\x21\x00\x21", " "), 73e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganov TEST_CASE("\x78\x9c\x33\x34\x32\x06\x00\01\x2d\x00\x97", "123"), 74e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganov TEST_CASE("\x78\x9c\x63\xf8\x0f\x00\x01\x01\x01\x00", "\x00\xff"), 75e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganov TEST_CASE("\x78\x9c\x33\x54\x30\x00\x42\x5d\x43\x05\x23\x4b\x05\x73\x33\x63" 76e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganov "\x85\xe4\x5c\x2e\x90\x80\xa9\xa9\xa9\x82\xb9\xb1\xa9\x42\x51\x2a" 77e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganov "\x57\xb8\x42\x1e\x57\x21\x92\xa0\x89\x9e\xb1\xa5\x09\x92\x84\x9e" 78e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganov "\x85\x81\x81\x25\xd8\x14\x24\x26\xd0\x18\x43\x05\x10\x0c\x72\x57" 79e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganov "\x80\x30\x8a\xd2\xb9\xf4\xdd\x0d\x14\xd2\x8b\xc1\x46\x99\x59\x1a" 80e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganov "\x2b\x58\x1a\x9a\x83\x8c\x49\xe3\x0a\x04\x42\x00\x37\x4c\x1b\x42" 81e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganov , 82e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganov "1 0 0 -1 29 763 cm\n0 0 555 735 re\nW n\nq\n0 0 555 734.394 re\n" 83e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganov "W n\nq\n0.8009 0 0 0.8009 0 0 cm\n1 1 1 RG 1 1 1 rg\n/G0 gs\n" 84e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganov "0 0 693 917 re\nf\nQ\nQ\n" 85e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganov ), 86e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganov }; 87e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganov 88e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganov for (size_t i = 0; i < FX_ArraySize(flate_decode_cases); ++i) { 89e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganov FlateDecodeCase* ptr = &flate_decode_cases[i]; 90e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganov unsigned char* result; 91e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganov unsigned int result_size; 92e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganov FlateDecode(ptr->input, ptr->input_size, result, result_size); 93e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganov ASSERT_TRUE(result); 94e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganov EXPECT_EQ(std::string((const char*)ptr->expected, ptr->expected_size), 95e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganov std::string((const char*)result, result_size)) 96e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganov << " for case " << i; 97e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganov FX_Free(result); 98e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganov } 99e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganov} 100e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganov 101e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganov 102e6986e1e8d4a57987f47c215490cb080a65ee29aSvet Ganov#undef TEST_CASE 103