Idmap_test.cpp revision ccf25c7bf69eb8c04246e3f79da31b52c2922a80 
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
19#include <utils/String8.h>
20#include <utils/String16.h>
21#include "TestHelpers.h"
22#include "data/basic/R.h"
23
24#include <gtest/gtest.h>
25
26using namespace android;
27
28namespace {
29
30/**
31 * Include a binary resource table.
32 *
33 * Package: com.android.test.basic
34 */
35#include "data/basic/basic_arsc.h"
36
37/**
38 * Include a binary resource table.
39 * This table is an overlay.
40 *
41 * Package: com.android.test.basic
42 */
43#include "data/overlay/overlay_arsc.h"
44
45enum { MAY_NOT_BE_BAG = false };
46
47class IdmapTest : public ::testing::Test {
48protected:
49    virtual void SetUp() {
50        ASSERT_EQ(NO_ERROR, mTargetTable.add(basic_arsc, basic_arsc_len));
51        ASSERT_EQ(NO_ERROR, mOverlayTable.add(overlay_arsc, overlay_arsc_len));
52        char targetName[256] = "com.android.test.basic";
53        ASSERT_EQ(NO_ERROR, mTargetTable.createIdmap(mOverlayTable, 0, 0,
54                    targetName, targetName, &mData, &mDataSize));
55    }
56
57    virtual void TearDown() {
58        free(mData);
59    }
60
61    ResTable mTargetTable;
62    ResTable mOverlayTable;
63    void* mData;
64    size_t mDataSize;
65};
66
67TEST_F(IdmapTest, canLoadIdmap) {
68    ASSERT_EQ(NO_ERROR, mTargetTable.add(overlay_arsc, overlay_arsc_len, mData, mDataSize));
69}
70
71TEST_F(IdmapTest, overlayOverridesResourceValue) {
72    Res_value val;
73    ssize_t block = mTargetTable.getResource(base::R::string::test2, &val, false);
74    ASSERT_GE(block, 0);
75    ASSERT_EQ(Res_value::TYPE_STRING, val.dataType);
76    const ResStringPool* pool = mTargetTable.getTableStringBlock(block);
77    ASSERT_TRUE(pool != NULL);
78    ASSERT_LT(val.data, pool->size());
79
80    size_t strLen;
81    const char16_t* targetStr16 = pool->stringAt(val.data, &strLen);
82    ASSERT_TRUE(targetStr16 != NULL);
83    ASSERT_EQ(String16("test2"), String16(targetStr16, strLen));
84
85    ASSERT_EQ(NO_ERROR, mTargetTable.add(overlay_arsc, overlay_arsc_len, mData, mDataSize));
86
87    ssize_t newBlock = mTargetTable.getResource(base::R::string::test2, &val, false);
88    ASSERT_GE(newBlock, 0);
89    ASSERT_NE(block, newBlock);
90    ASSERT_EQ(Res_value::TYPE_STRING, val.dataType);
91    pool = mTargetTable.getTableStringBlock(newBlock);
92    ASSERT_TRUE(pool != NULL);
93    ASSERT_LT(val.data, pool->size());
94
95    targetStr16 = pool->stringAt(val.data, &strLen);
96    ASSERT_TRUE(targetStr16 != NULL);
97    ASSERT_EQ(String16("test2-overlay"), String16(targetStr16, strLen));
98}
99
100TEST_F(IdmapTest, overlaidResourceHasSameName) {
101    ASSERT_EQ(NO_ERROR, mTargetTable.add(overlay_arsc, overlay_arsc_len, mData, mDataSize));
102
103    ResTable::resource_name resName;
104    ASSERT_TRUE(mTargetTable.getResourceName(base::R::array::integerArray1, false, &resName));
105
106    ASSERT_TRUE(resName.package != NULL);
107    ASSERT_TRUE(resName.type != NULL);
108    ASSERT_TRUE(resName.name != NULL);
109
110    EXPECT_EQ(String16("com.android.test.basic"), String16(resName.package, resName.packageLen));
111    EXPECT_EQ(String16("array"), String16(resName.type, resName.typeLen));
112    EXPECT_EQ(String16("integerArray1"), String16(resName.name, resName.nameLen));
113}
114
115} // namespace
116