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/font.h"
19 #include "sfntly/font_factory.h"
20 #include "sfntly/table/core/font_header_table.h"
21 #include "sfntly/tag.h"
22 #include "sfntly/data/memory_byte_array.h"
23 #include "sfntly/port/endian.h"
24 #include "sfntly/port/file_input_stream.h"
25 #include "sfntly/port/memory_output_stream.h"
26 #include "test/test_data.h"
27 #include "test/test_font_utils.h"
28
29 namespace sfntly {
30
TestOTFBasicEditing()31 bool TestOTFBasicEditing() {
32 FontFactoryPtr factory;
33 factory.Attach(FontFactory::GetInstance());
34 FontBuilderArray font_builder_array;
35 BuilderForFontFile(SAMPLE_TTF_FILE, factory, &font_builder_array);
36 FontBuilderPtr font_builder = font_builder_array[0];
37
38 // ensure the builder is not bogus
39 EXPECT_TRUE(font_builder != NULL);
40 TableBuilderMap* builder_map = font_builder->table_builders();
41 EXPECT_TRUE(builder_map != NULL);
42 IntegerSet builder_tags;
43 for (TableBuilderMap::iterator i = builder_map->begin(),
44 e = builder_map->end(); i != e; ++i) {
45 EXPECT_TRUE(i->second != NULL);
46 if (i->second == NULL) {
47 char tag[5] = {0};
48 int32_t value = ToBE32(i->first);
49 memcpy(tag, &value, 4);
50 fprintf(stderr, "tag %s does not have valid builder\n", tag);
51 } else {
52 builder_tags.insert(i->first);
53 }
54 }
55
56 FontHeaderTableBuilderPtr header_builder =
57 down_cast<FontHeaderTable::Builder*>(
58 font_builder->GetTableBuilder(Tag::head));
59 int64_t mod_date = header_builder->Modified();
60 header_builder->SetModified(mod_date + 1);
61 FontPtr font;
62 font.Attach(font_builder->Build());
63
64 // ensure every table had a builder
65 const TableMap* table_map = font->GetTableMap();
66 for (TableMap::const_iterator i = table_map->begin(), e = table_map->end();
67 i != e; ++i) {
68 TablePtr table = (*i).second;
69 HeaderPtr header = table->header();
70 EXPECT_TRUE(builder_tags.find(header->tag()) != builder_tags.end());
71 builder_tags.erase(header->tag());
72 }
73 EXPECT_TRUE(builder_tags.empty());
74
75 FontHeaderTablePtr header =
76 down_cast<FontHeaderTable*>(font->GetTable(Tag::head));
77 int64_t after_mod_date = header->Modified();
78 EXPECT_EQ(mod_date + 1, after_mod_date);
79
80 // Checksum correctness of builder.
81 TablePtr post = font->GetTable(Tag::post);
82 EXPECT_EQ(post->CalculatedChecksum(), TTF_CHECKSUM[SAMPLE_TTF_POST]);
83 return true;
84 }
85
86 } // namespace sfntly
87
TEST(OTFBasicEditing,All)88 TEST(OTFBasicEditing, All) {
89 ASSERT_TRUE(sfntly::TestOTFBasicEditing());
90 }
91