TypeWrappers_test.cpp revision f90f2f8dc36e7243b85e0b6a7fd5a590893c827e 
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
23namespace android {
24
25void* 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
78TEST(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