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
25 namespace sfntly {
26
TestEndian()27 bool TestEndian() {
28 uint8_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
TEST(Endian,All)75 TEST(Endian, All) {
76 ASSERT_TRUE(sfntly::TestEndian());
77 }
78