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/*
* Copyright 2011 Google Inc. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "gtest/gtest.h"
#include "sfntly/tag.h"
#include "sfntly/data/growable_memory_byte_array.h"
#include "sfntly/data/writable_font_data.h"
#include "sfntly/math/fixed1616.h"
#include "sfntly/port/memory_output_stream.h"
#include "sfntly/data/font_output_stream.h"
namespace sfntly {
bool TestEndian() {
uint8_t test_data[] = {
0x68, 0x65, 0x61, 0x64, // 0: head
0xca, 0xca, 0xca, 0xca, // 4: ubyte, byte, char
0x00, 0x18, 0x80, 0x18, // 8: ushort, short
0x00, 0x00, 0x18, 0x00, // 12: uint24
0x00, 0x00, 0x00, 0x18, // 16: ulong
0xff, 0xff, 0xff, 0x00, // 20: long
0x00, 0x01, 0x00, 0x00 // 24: fixed
};
ByteArrayPtr ba1 = new GrowableMemoryByteArray();
for (size_t i = 0; i < sizeof(test_data); ++i) {
ba1->Put(i, test_data[i]);
}
ReadableFontDataPtr rfd = new ReadableFontData(ba1);
EXPECT_EQ(rfd->ReadULongAsInt(0), Tag::head);
EXPECT_EQ(rfd->ReadUByte(4), 202);
EXPECT_EQ(rfd->ReadByte(5), -54);
EXPECT_EQ(rfd->ReadChar(6), 202);
EXPECT_EQ(rfd->ReadUShort(8), 24);
EXPECT_EQ(rfd->ReadShort(10), -32744);
EXPECT_EQ(rfd->ReadUInt24(12), 24);
EXPECT_EQ(rfd->ReadULong(16), 24);
EXPECT_EQ(rfd->ReadLong(20), -256);
EXPECT_EQ(rfd->ReadFixed(24), Fixed1616::Fixed(1, 0));
MemoryOutputStream os;
FontOutputStream fos(&os);
fos.WriteULong(Tag::head);
fos.Write(202);
fos.Write(202);
fos.Write(202);
fos.Write(202);
fos.WriteUShort(24);
fos.WriteShort(-32744);
fos.WriteUInt24(24);
fos.WriteChar(0);
fos.WriteULong(24);
fos.WriteLong(-256);
fos.WriteFixed(Fixed1616::Fixed(1, 0));
EXPECT_EQ(memcmp(os.Get(), test_data, sizeof(test_data)), 0);
return true;
}
} // namespace sfntly
TEST(Endian, All) {
ASSERT_TRUE(sfntly::TestEndian());
}
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