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/table/truetype/loca_table.h"
20 #include "test/serialization_test.h"
21 
22 namespace sfntly {
23 
24 const int32_t LOCA_NUM_LOCAS = 1503;
25 const int32_t LOCAS[] = {
26     0x00000,  // 0
27     0x00058,  // 1
28     0x00058,  // 2
29     0x00058,  // 3
30     0x00058,  // 4
31     0x000B8,  // 5
32     0x00138,  // 6
33     0x001A4,  // 7
34     0x0025C,  // 8
35     0x00328,  // 9
36     0x003B8,  // 10
37 };
38 const int32_t NUM_TEST_LOCAS = 11;
39 
VerifyLOCA(Table * table)40 static bool VerifyLOCA(Table* table) {
41   LocaTablePtr loca = down_cast<LocaTable*>(table);
42   if (loca == NULL) {
43     return false;
44   }
45 
46   EXPECT_EQ(loca->NumLocas(), LOCA_NUM_LOCAS);
47   EXPECT_EQ(loca->num_glyphs(), LOCA_NUM_LOCAS - 1);
48 
49   for (int32_t i = 0; i < NUM_TEST_LOCAS - 1; ++i) {
50     EXPECT_EQ(loca->GlyphOffset(i), LOCAS[i]);
51     EXPECT_EQ(loca->GlyphLength(i), LOCAS[i + 1] - LOCAS[i]);
52   }
53   return true;
54 }
55 
VerifyLOCA(Table * original,Table * target)56 bool VerifyLOCA(Table* original, Table* target) {
57   EXPECT_TRUE(VerifyLOCA(original));
58   EXPECT_TRUE(VerifyLOCA(target));
59   return true;
60 }
61 
62 }  // namespace sfntly
63