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 "sample/chromium/font_subsetter.h" 19 #include "test/test_data.h" 20 #include "test/test_font_utils.h" 21 22 namespace { 23 // Use an additional variable to easily change name for testing. 24 const char* kInputFileName = sfntly::SAMPLE_TTF_FILE; 25 const char* kFontName = "Tuffy"; 26 const char* kOutputFileName = "tuffy-s.ttf"; 27 // The subset we want: Hello, world! 28 // The array is unsorted to verify that the subsetter gets the glyph id 29 // correctly. 30 const unsigned int kGlyphIds[] = { 43, 72, 79, 82, 15, 3, 90, 85, 71, 4 }; 31 const unsigned int kGlyphIdsCount = sizeof(kGlyphIds) / sizeof(unsigned int); 32 } 33 34 // This function is deliberately located at global namespace. 35 bool TestChromeSubsetter() { 36 sfntly::ByteVector input_buffer; 37 sfntly::LoadFile(kInputFileName, &input_buffer); 38 EXPECT_GT(input_buffer.size(), (size_t)0); 39 40 unsigned char* output_buffer = NULL; 41 int output_length = 42 SfntlyWrapper::SubsetFont(kFontName, 43 &(input_buffer[0]), 44 input_buffer.size(), 45 kGlyphIds, 46 kGlyphIdsCount, 47 &output_buffer); 48 49 EXPECT_GT(output_length, 0); 50 51 if (output_length > 0) { 52 FILE* output_file = NULL; 53 #if defined WIN32 54 fopen_s(&output_file, kOutputFileName, "wb"); 55 #else 56 output_file = fopen(kOutputFileName, "wb"); 57 #endif 58 EXPECT_TRUE((output_file != NULL)); 59 if (output_file) { 60 int byte_count = fwrite(output_buffer, 1, output_length, output_file); 61 EXPECT_EQ(byte_count, output_length); 62 fflush(output_file); 63 fclose(output_file); 64 } 65 66 delete[] output_buffer; 67 return true; 68 } 69 70 return false; 71 } 72 73 TEST(ChromeSubsetter, All) { 74 EXPECT_TRUE(TestChromeSubsetter()); 75 } 76
