1 /*
2 * Copyright (C) 2016 The Android Open Source Project
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
19 #include "HbFontCache.h"
20
21 #include <cutils/log.h>
22 #include <hb.h>
23 #include <utils/Mutex.h>
24
25 #include "MinikinInternal.h"
26 #include "MinikinFontForTest.h"
27 #include <minikin/MinikinFont.h>
28
29 namespace android {
30 namespace {
31
32 class HbFontCacheTest : public testing::Test {
33 public:
TearDown()34 virtual void TearDown() {
35 AutoMutex _l(gMinikinLock);
36 purgeHbFontCacheLocked();
37 }
38 };
39
TEST_F(HbFontCacheTest,getHbFontLockedTest)40 TEST_F(HbFontCacheTest, getHbFontLockedTest) {
41 AutoMutex _l(gMinikinLock);
42
43 MinikinFontForTest fontA(kTestFontDir "Regular.ttf");
44 MinikinFontForTest fontB(kTestFontDir "Bold.ttf");
45 MinikinFontForTest fontC(kTestFontDir "BoldItalic.ttf");
46
47 // Never return NULL.
48 EXPECT_NE(nullptr, getHbFontLocked(&fontA));
49 EXPECT_NE(nullptr, getHbFontLocked(&fontB));
50 EXPECT_NE(nullptr, getHbFontLocked(&fontC));
51
52 EXPECT_NE(nullptr, getHbFontLocked(nullptr));
53
54 // Must return same object if same font object is passed.
55 EXPECT_EQ(getHbFontLocked(&fontA), getHbFontLocked(&fontA));
56 EXPECT_EQ(getHbFontLocked(&fontB), getHbFontLocked(&fontB));
57 EXPECT_EQ(getHbFontLocked(&fontC), getHbFontLocked(&fontC));
58
59 // Different object must be returned if the passed minikinFont has different ID.
60 EXPECT_NE(getHbFontLocked(&fontA), getHbFontLocked(&fontB));
61 EXPECT_NE(getHbFontLocked(&fontA), getHbFontLocked(&fontC));
62 }
63
TEST_F(HbFontCacheTest,purgeCacheTest)64 TEST_F(HbFontCacheTest, purgeCacheTest) {
65 AutoMutex _l(gMinikinLock);
66 MinikinFontForTest minikinFont(kTestFontDir "Regular.ttf");
67
68 hb_font_t* font = getHbFontLocked(&minikinFont);
69 ASSERT_NE(nullptr, font);
70
71 // Set user data to identify the font object.
72 hb_user_data_key_t key;
73 void* data = (void*)0xdeadbeef;
74 hb_font_set_user_data(font, &key, data, NULL, false);
75 ASSERT_EQ(data, hb_font_get_user_data(font, &key));
76
77 purgeHbFontCacheLocked();
78
79 // By checking user data, confirm that the object after purge is different from previously
80 // created one. Do not compare the returned pointer here since memory allocator may assign
81 // same region for new object.
82 font = getHbFontLocked(&minikinFont);
83 EXPECT_EQ(nullptr, hb_font_get_user_data(font, &key));
84 }
85
86 } // namespace
87 } // namespace android
88