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.
TestChromeSubsetter()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
TEST(ChromeSubsetter,All)73 TEST(ChromeSubsetter, All) {
74 EXPECT_TRUE(TestChromeSubsetter());
75 }
76