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/ResourceTypes.h>
18 #include <androidfw/TypeWrappers.h>
19 #include <utils/String8.h>
20
21 #include <gtest/gtest.h>
22
23 namespace android {
24
createTypeData()25 void* createTypeData() {
26 ResTable_type t;
27 memset(&t, 0, sizeof(t));
28 t.header.type = RES_TABLE_TYPE_TYPE;
29 t.header.headerSize = sizeof(t);
30 t.id = 1;
31 t.entryCount = 3;
32
33 uint32_t offsets[3];
34 t.entriesStart = t.header.headerSize + sizeof(offsets);
35 t.header.size = t.entriesStart;
36
37 offsets[0] = 0;
38 ResTable_entry e1;
39 memset(&e1, 0, sizeof(e1));
40 e1.size = sizeof(e1);
41 e1.key.index = 0;
42 t.header.size += sizeof(e1);
43
44 Res_value v1;
45 memset(&v1, 0, sizeof(v1));
46 t.header.size += sizeof(v1);
47
48 offsets[1] = ResTable_type::NO_ENTRY;
49
50 offsets[2] = sizeof(e1) + sizeof(v1);
51 ResTable_entry e2;
52 memset(&e2, 0, sizeof(e2));
53 e2.size = sizeof(e2);
54 e2.key.index = 1;
55 t.header.size += sizeof(e2);
56
57 Res_value v2;
58 memset(&v2, 0, sizeof(v2));
59 t.header.size += sizeof(v2);
60
61 uint8_t* data = (uint8_t*)malloc(t.header.size);
62 uint8_t* p = data;
63 memcpy(p, &t, sizeof(t));
64 p += sizeof(t);
65 memcpy(p, offsets, sizeof(offsets));
66 p += sizeof(offsets);
67 memcpy(p, &e1, sizeof(e1));
68 p += sizeof(e1);
69 memcpy(p, &v1, sizeof(v1));
70 p += sizeof(v1);
71 memcpy(p, &e2, sizeof(e2));
72 p += sizeof(e2);
73 memcpy(p, &v2, sizeof(v2));
74 p += sizeof(v2);
75 return data;
76 }
77
TEST(TypeVariantIteratorTest,shouldIterateOverTypeWithoutErrors)78 TEST(TypeVariantIteratorTest, shouldIterateOverTypeWithoutErrors) {
79 ResTable_type* data = (ResTable_type*) createTypeData();
80
81 TypeVariant v(data);
82
83 TypeVariant::iterator iter = v.beginEntries();
84 ASSERT_EQ(uint32_t(0), iter.index());
85 ASSERT_TRUE(NULL != *iter);
86 ASSERT_EQ(uint32_t(0), iter->key.index);
87 ASSERT_NE(v.endEntries(), iter);
88
89 iter++;
90
91 ASSERT_EQ(uint32_t(1), iter.index());
92 ASSERT_TRUE(NULL == *iter);
93 ASSERT_NE(v.endEntries(), iter);
94
95 iter++;
96
97 ASSERT_EQ(uint32_t(2), iter.index());
98 ASSERT_TRUE(NULL != *iter);
99 ASSERT_EQ(uint32_t(1), iter->key.index);
100 ASSERT_NE(v.endEntries(), iter);
101
102 iter++;
103
104 ASSERT_EQ(v.endEntries(), iter);
105
106 free(data);
107 }
108
109 } // namespace android
110