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/data/writable_font_data.h"
19#include "sfntly/data/memory_byte_array.h"
20
21namespace sfntly {
22
23const byte_t TEST_OTF_DATA[] =
24    {0xff, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01};
25
26bool TestOTFRead() {
27  ByteVector bytes;
28  for (size_t i = 0; i < sizeof(TEST_OTF_DATA) / sizeof(byte_t); ++i) {
29    bytes.push_back(TEST_OTF_DATA[i]);
30  }
31  ByteArrayPtr array = new MemoryByteArray(&(bytes[0]), bytes.size());
32  ReadableFontDataPtr data = new ReadableFontData(array);
33
34  EXPECT_EQ(-1, data->ReadByte(0));
35  EXPECT_EQ(0xff, data->ReadUByte(0));
36  EXPECT_EQ(0x01, data->ReadByte(1));
37  EXPECT_EQ(65281, data->ReadUShort(0));
38  EXPECT_EQ(-255, data->ReadShort(0));
39  EXPECT_EQ(16711937, data->ReadUInt24(0));
40  EXPECT_EQ(4278255873LL, data->ReadULong(0));
41  EXPECT_EQ(-16711423, data->ReadLong(0));
42  return true;
43}
44
45bool TestOTFCopy() {
46  ByteVector source_bytes(1024);
47  for (size_t i = 0; i < source_bytes.size(); ++i) {
48    source_bytes[i] = (byte_t)(i & 0xff);
49  }
50  ByteArrayPtr source_array = new MemoryByteArray(&(source_bytes[0]), 1024);
51  ReadableFontDataPtr source = new ReadableFontData(source_array);
52
53  ByteVector destination_bytes(1024);
54  ByteArrayPtr destination_array =
55      new MemoryByteArray(&(destination_bytes[0]), 1024);
56  WritableFontDataPtr destination = new WritableFontData(destination_array);
57
58  int32_t length = source->CopyTo(destination);
59  EXPECT_EQ(1024, length);
60  EXPECT_TRUE(std::equal(source_bytes.begin(), source_bytes.end(),
61                         destination_bytes.begin()));
62  return true;
63}
64
65}  // namespace sfntly
66
67TEST(OpenTypeData, All) {
68  ASSERT_TRUE(sfntly::TestOTFRead());
69  ASSERT_TRUE(sfntly::TestOTFCopy());
70}
71