// Copyright 2015 PDFium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "core/fpdfapi/fpdf_parser/include/fpdf_parser_decode.h"
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#include "testing/gtest/include/gtest/gtest.h"
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#include "testing/test_support.h"
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TEST(fpdf_parser_decode, A85Decode) {
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pdfium::DecodeTestData test_data[] = {
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// Empty src string.
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STR_IN_OUT_CASE("", "", 0),
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// Empty content in src string.
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STR_IN_OUT_CASE("~>", "", 0),
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// Regular conversion.
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STR_IN_OUT_CASE("FCfN8~>", "test", 7),
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// End at the ending mark.
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STR_IN_OUT_CASE("FCfN8~>FCfN8", "test", 7),
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// Skip whitespaces.
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STR_IN_OUT_CASE("\t F C\r\n \tf N 8 ~>", "test", 17),
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// No ending mark.
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STR_IN_OUT_CASE("@3B0)DJj_BF*)>@Gp#-s", "a funny story :)", 20),
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// Non-multiple length.
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STR_IN_OUT_CASE("12A", "2k", 3),
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// Stop at unknown characters.
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STR_IN_OUT_CASE("FCfN8FCfN8vw", "testtest", 11),
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};
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for (size_t i = 0; i < FX_ArraySize(test_data); ++i) {
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pdfium::DecodeTestData* ptr = &test_data[i];
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uint8_t* result = nullptr;
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uint32_t result_size = 0;
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EXPECT_EQ(ptr->processed_size,
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A85Decode(ptr->input, ptr->input_size, result, result_size))
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<< "for case " << i;
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ASSERT_EQ(ptr->expected_size, result_size);
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for (size_t j = 0; j < result_size; ++j) {
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EXPECT_EQ(ptr->expected[j], result[j]) << "for case " << i << " char "
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<< j;
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}
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FX_Free(result);
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}
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}
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TEST(fpdf_parser_decode, HexDecode) {
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pdfium::DecodeTestData test_data[] = {
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// Empty src string.
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STR_IN_OUT_CASE("", "", 0),
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// Empty content in src string.
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STR_IN_OUT_CASE(">", "", 1),
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// Only whitespaces in src string.
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STR_IN_OUT_CASE("\t \r\n>", "", 7),
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// Regular conversion.
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STR_IN_OUT_CASE("12Ac>zzz", "\x12\xac", 5),
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// Skip whitespaces.
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STR_IN_OUT_CASE("12 Ac\t02\r\nBF>zzz>", "\x12\xac\x02\xbf", 13),
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// Non-multiple length.
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STR_IN_OUT_CASE("12A>zzz", "\x12\xa0", 4),
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// Skips unknown characters.
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STR_IN_OUT_CASE("12tk \tAc>zzz", "\x12\xac", 10),
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// No ending mark.
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STR_IN_OUT_CASE("12AcED3c3456", "\x12\xac\xed\x3c\x34\x56", 12),
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};
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for (size_t i = 0; i < FX_ArraySize(test_data); ++i) {
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pdfium::DecodeTestData* ptr = &test_data[i];
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uint8_t* result = nullptr;
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uint32_t result_size = 0;
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EXPECT_EQ(ptr->processed_size,
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HexDecode(ptr->input, ptr->input_size, result, result_size))
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<< "for case " << i;
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ASSERT_EQ(ptr->expected_size, result_size);
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for (size_t j = 0; j < result_size; ++j) {
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EXPECT_EQ(ptr->expected[j], result[j]) << "for case " << i << " char "
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<< j;
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}
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FX_Free(result);
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}
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}
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