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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 "testing/gtest/include/gtest/gtest.h"
#include "../../../include/fpdfapi/fpdf_parser.h"
TEST(fpdf_parser_decode, HexDecode) {
{
// Empty src string.
uint8_t* dest = nullptr;
FX_DWORD dest_size;
uint8_t src[] = "";
EXPECT_EQ(0, HexDecode(src, 0, dest, dest_size));
EXPECT_EQ(0, dest_size);
EXPECT_EQ('\0', dest[0]);
}
{
// Regular conversion.
uint8_t* dest = nullptr;
FX_DWORD dest_size;
uint8_t src[] = "12Ac>zzz";
EXPECT_EQ(5, HexDecode(src, 8, dest, dest_size));
EXPECT_EQ(2, dest_size);
EXPECT_EQ(18, dest[0]);
EXPECT_EQ(172, dest[1]);
}
{
// Non-multiple length.
uint8_t* dest = nullptr;
FX_DWORD dest_size;
uint8_t src[] = "12A>zzz";
EXPECT_EQ(4, HexDecode(src, 8, dest, dest_size));
EXPECT_EQ(2, dest_size);
EXPECT_EQ(18, dest[0]);
EXPECT_EQ(160, dest[1]);
}
{
// Skips unknown characters.
uint8_t* dest = nullptr;
FX_DWORD dest_size;
uint8_t src[] = "12tk \tAc>zzz";
EXPECT_EQ(10, HexDecode(src, 13, dest, dest_size));
EXPECT_EQ(2, dest_size);
EXPECT_EQ(18, dest[0]);
EXPECT_EQ(172, dest[1]);
}
}
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