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// 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 "core/fpdfapi/parser/fpdf_parser_decode.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "testing/test_support.h"
TEST(fpdf_parser_decode, A85Decode) {
pdfium::DecodeTestData test_data[] = {
// Empty src string.
STR_IN_OUT_CASE("", "", 0),
// Empty content in src string.
STR_IN_OUT_CASE("~>", "", 0),
// Regular conversion.
STR_IN_OUT_CASE("FCfN8~>", "test", 7),
// End at the ending mark.
STR_IN_OUT_CASE("FCfN8~>FCfN8", "test", 7),
// Skip whitespaces.
STR_IN_OUT_CASE("\t F C\r\n \tf N 8 ~>", "test", 17),
// No ending mark.
STR_IN_OUT_CASE("@3B0)DJj_BF*)>@Gp#-s", "a funny story :)", 20),
// Non-multiple length.
STR_IN_OUT_CASE("12A", "2k", 3),
// Stop at unknown characters.
STR_IN_OUT_CASE("FCfN8FCfN8vw", "testtest", 11),
};
for (size_t i = 0; i < FX_ArraySize(test_data); ++i) {
pdfium::DecodeTestData* ptr = &test_data[i];
uint8_t* result = nullptr;
uint32_t result_size = 0;
EXPECT_EQ(ptr->processed_size,
A85Decode(ptr->input, ptr->input_size, result, result_size))
<< "for case " << i;
ASSERT_EQ(ptr->expected_size, result_size);
for (size_t j = 0; j < result_size; ++j) {
EXPECT_EQ(ptr->expected[j], result[j]) << "for case " << i << " char "
<< j;
}
FX_Free(result);
}
}
TEST(fpdf_parser_decode, HexDecode) {
pdfium::DecodeTestData test_data[] = {
// Empty src string.
STR_IN_OUT_CASE("", "", 0),
// Empty content in src string.
STR_IN_OUT_CASE(">", "", 1),
// Only whitespaces in src string.
STR_IN_OUT_CASE("\t \r\n>", "", 7),
// Regular conversion.
STR_IN_OUT_CASE("12Ac>zzz", "\x12\xac", 5),
// Skip whitespaces.
STR_IN_OUT_CASE("12 Ac\t02\r\nBF>zzz>", "\x12\xac\x02\xbf", 13),
// Non-multiple length.
STR_IN_OUT_CASE("12A>zzz", "\x12\xa0", 4),
// Skips unknown characters.
STR_IN_OUT_CASE("12tk \tAc>zzz", "\x12\xac", 10),
// No ending mark.
STR_IN_OUT_CASE("12AcED3c3456", "\x12\xac\xed\x3c\x34\x56", 12),
};
for (size_t i = 0; i < FX_ArraySize(test_data); ++i) {
pdfium::DecodeTestData* ptr = &test_data[i];
uint8_t* result = nullptr;
uint32_t result_size = 0;
EXPECT_EQ(ptr->processed_size,
HexDecode(ptr->input, ptr->input_size, result, result_size))
<< "for case " << i;
ASSERT_EQ(ptr->expected_size, result_size);
for (size_t j = 0; j < result_size; ++j) {
EXPECT_EQ(ptr->expected[j], result[j]) << "for case " << i << " char "
<< j;
}
FX_Free(result);
}
}
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