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 27 bool 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 75 TEST(Endian, All) { 76 ASSERT_TRUE(sfntly::TestEndian()); 77 } 78
