1/*
2 * Copyright 2011 Google Inc. All Rights Reserved.
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#include "gtest/gtest.h"
18#include "sfntly/tag.h"
19#include "sfntly/data/growable_memory_byte_array.h"
20#include "sfntly/data/writable_font_data.h"
21#include "sfntly/math/fixed1616.h"
22#include "sfntly/port/memory_output_stream.h"
23#include "sfntly/data/font_output_stream.h"
24
25namespace sfntly {
26
27bool TestEndian() {
28  byte_t test_data[] = {
29      0x68, 0x65, 0x61, 0x64,  // 0: head
30      0xca, 0xca, 0xca, 0xca,  // 4: ubyte, byte, char
31      0x00, 0x18, 0x80, 0x18,  // 8: ushort, short
32      0x00, 0x00, 0x18, 0x00,  // 12: uint24
33      0x00, 0x00, 0x00, 0x18,  // 16: ulong
34      0xff, 0xff, 0xff, 0x00,  // 20: long
35      0x00, 0x01, 0x00, 0x00   // 24: fixed
36  };
37
38  ByteArrayPtr ba1 = new GrowableMemoryByteArray();
39  for (size_t i = 0; i < sizeof(test_data); ++i) {
40    ba1->Put(i, test_data[i]);
41  }
42  ReadableFontDataPtr rfd = new ReadableFontData(ba1);
43  EXPECT_EQ(rfd->ReadULongAsInt(0), Tag::head);
44  EXPECT_EQ(rfd->ReadUByte(4), 202);
45  EXPECT_EQ(rfd->ReadByte(5), -54);
46  EXPECT_EQ(rfd->ReadChar(6), 202);
47  EXPECT_EQ(rfd->ReadUShort(8), 24);
48  EXPECT_EQ(rfd->ReadShort(10), -32744);
49  EXPECT_EQ(rfd->ReadUInt24(12), 24);
50  EXPECT_EQ(rfd->ReadULong(16), 24);
51  EXPECT_EQ(rfd->ReadLong(20), -256);
52  EXPECT_EQ(rfd->ReadFixed(24), Fixed1616::Fixed(1, 0));
53
54  MemoryOutputStream os;
55  FontOutputStream fos(&os);
56  fos.WriteULong(Tag::head);
57  fos.Write(202);
58  fos.Write(202);
59  fos.Write(202);
60  fos.Write(202);
61  fos.WriteUShort(24);
62  fos.WriteShort(-32744);
63  fos.WriteUInt24(24);
64  fos.WriteChar(0);
65  fos.WriteULong(24);
66  fos.WriteLong(-256);
67  fos.WriteFixed(Fixed1616::Fixed(1, 0));
68  EXPECT_EQ(memcmp(os.Get(), test_data, sizeof(test_data)), 0);
69
70  return true;
71}
72
73}  // namespace sfntly
74
75TEST(Endian, All) {
76  ASSERT_TRUE(sfntly::TestEndian());
77}
78