1 /*
2 * Copyright (C) 2014 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 <androidfw/AttributeFinder.h>
18
19 #include <gtest/gtest.h>
20
21 using android::BackTrackingAttributeFinder;
22
23 class MockAttributeFinder : public BackTrackingAttributeFinder<MockAttributeFinder, int> {
24 public:
MockAttributeFinder(const uint32_t * attrs,int len)25 MockAttributeFinder(const uint32_t* attrs, int len)
26 : BackTrackingAttributeFinder(0, len) {
27 mAttrs = new uint32_t[len];
28 memcpy(mAttrs, attrs, sizeof(*attrs) * len);
29 }
30
~MockAttributeFinder()31 ~MockAttributeFinder() {
32 delete mAttrs;
33 }
34
getAttribute(const int index) const35 inline uint32_t getAttribute(const int index) const {
36 return mAttrs[index];
37 }
38
39 private:
40 uint32_t* mAttrs;
41 };
42
43 static const uint32_t sortedAttributes[] = {
44 0x01010000, 0x01010001, 0x01010002, 0x01010004,
45 0x02010001, 0x02010010, 0x7f010001
46 };
47
48 static const uint32_t packageUnsortedAttributes[] = {
49 0x02010001, 0x02010010, 0x01010000, 0x01010001,
50 0x01010002, 0x01010004, 0x7f010001
51 };
52
53 static const uint32_t singlePackageAttributes[] = {
54 0x7f010007, 0x7f01000a, 0x7f01000d, 0x00000000
55 };
56
TEST(AttributeFinderTest,IteratesSequentially)57 TEST(AttributeFinderTest, IteratesSequentially) {
58 const int end = sizeof(sortedAttributes) / sizeof(*sortedAttributes);
59 MockAttributeFinder finder(sortedAttributes, end);
60
61 EXPECT_EQ(0, finder.find(0x01010000));
62 EXPECT_EQ(1, finder.find(0x01010001));
63 EXPECT_EQ(2, finder.find(0x01010002));
64 EXPECT_EQ(3, finder.find(0x01010004));
65 EXPECT_EQ(4, finder.find(0x02010001));
66 EXPECT_EQ(5, finder.find(0x02010010));
67 EXPECT_EQ(6, finder.find(0x7f010001));
68 EXPECT_EQ(end, finder.find(0x7f010002));
69 }
70
TEST(AttributeFinderTest,PackagesAreOutOfOrder)71 TEST(AttributeFinderTest, PackagesAreOutOfOrder) {
72 const int end = sizeof(sortedAttributes) / sizeof(*sortedAttributes);
73 MockAttributeFinder finder(sortedAttributes, end);
74
75 EXPECT_EQ(6, finder.find(0x7f010001));
76 EXPECT_EQ(end, finder.find(0x7f010002));
77 EXPECT_EQ(4, finder.find(0x02010001));
78 EXPECT_EQ(5, finder.find(0x02010010));
79 EXPECT_EQ(0, finder.find(0x01010000));
80 EXPECT_EQ(1, finder.find(0x01010001));
81 EXPECT_EQ(2, finder.find(0x01010002));
82 EXPECT_EQ(3, finder.find(0x01010004));
83 }
84
TEST(AttributeFinderTest,SomeAttributesAreNotFound)85 TEST(AttributeFinderTest, SomeAttributesAreNotFound) {
86 const int end = sizeof(sortedAttributes) / sizeof(*sortedAttributes);
87 MockAttributeFinder finder(sortedAttributes, end);
88
89 EXPECT_EQ(0, finder.find(0x01010000));
90 EXPECT_EQ(1, finder.find(0x01010001));
91 EXPECT_EQ(2, finder.find(0x01010002));
92 EXPECT_EQ(end, finder.find(0x01010003));
93 EXPECT_EQ(3, finder.find(0x01010004));
94 EXPECT_EQ(end, finder.find(0x01010005));
95 EXPECT_EQ(end, finder.find(0x01010006));
96 EXPECT_EQ(4, finder.find(0x02010001));
97 EXPECT_EQ(end, finder.find(0x02010002));
98 }
99
TEST(AttributeFinderTest,FindAttributesInPackageUnsortedAttributeList)100 TEST(AttributeFinderTest, FindAttributesInPackageUnsortedAttributeList) {
101 const int end = sizeof(packageUnsortedAttributes) / sizeof(*packageUnsortedAttributes);
102 MockAttributeFinder finder(packageUnsortedAttributes, end);
103
104 EXPECT_EQ(2, finder.find(0x01010000));
105 EXPECT_EQ(3, finder.find(0x01010001));
106 EXPECT_EQ(4, finder.find(0x01010002));
107 EXPECT_EQ(end, finder.find(0x01010003));
108 EXPECT_EQ(5, finder.find(0x01010004));
109 EXPECT_EQ(end, finder.find(0x01010005));
110 EXPECT_EQ(end, finder.find(0x01010006));
111 EXPECT_EQ(0, finder.find(0x02010001));
112 EXPECT_EQ(end, finder.find(0x02010002));
113 EXPECT_EQ(1, finder.find(0x02010010));
114 EXPECT_EQ(6, finder.find(0x7f010001));
115 }
116
TEST(AttributeFinderTest,FindAttributesInSinglePackageAttributeList)117 TEST(AttributeFinderTest, FindAttributesInSinglePackageAttributeList) {
118 const int end = sizeof(singlePackageAttributes) / sizeof(*singlePackageAttributes);
119 MockAttributeFinder finder(singlePackageAttributes, end);
120
121 EXPECT_EQ(end, finder.find(0x010100f4));
122 EXPECT_EQ(end, finder.find(0x010100f5));
123 EXPECT_EQ(end, finder.find(0x010100f6));
124 EXPECT_EQ(end, finder.find(0x010100f7));
125 EXPECT_EQ(end, finder.find(0x010100f8));
126 EXPECT_EQ(end, finder.find(0x010100fa));
127 EXPECT_EQ(0, finder.find(0x7f010007));
128 }
129