ResTable_test.cpp revision b7e1ce07756aaca829828c2053eca0d66dd4d440 
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 <codecvt>
20#include <locale>
21#include <string>
22
23#include <utils/String8.h>
24#include <utils/String16.h>
25#include "TestHelpers.h"
26#include "data/basic/R.h"
27#include "data/lib/R.h"
28
29#include <gtest/gtest.h>
30
31using namespace android;
32
33namespace {
34
35/**
36 * Include a binary resource table.
37 *
38 * Package: com.android.test.basic
39 */
40#include "data/basic/basic_arsc.h"
41
42/**
43 * Include a binary library resource table.
44 *
45 * Package: com.android.test.basic
46 */
47#include "data/lib/lib_arsc.h"
48
49/**
50 * Include a system resource table.
51 *
52 * Package: android
53 */
54#include "data/system/system_arsc.h"
55
56TEST(ResTableTest, shouldLoadSuccessfully) {
57    ResTable table;
58    ASSERT_EQ(NO_ERROR, table.add(basic_arsc, basic_arsc_len));
59}
60
61TEST(ResTableTest, simpleTypeIsRetrievedCorrectly) {
62    ResTable table;
63    ASSERT_EQ(NO_ERROR, table.add(basic_arsc, basic_arsc_len));
64
65    EXPECT_TRUE(IsStringEqual(table, base::R::string::test1, "test1"));
66}
67
68TEST(ResTableTest, resourceNameIsResolved) {
69    ResTable table;
70    ASSERT_EQ(NO_ERROR, table.add(basic_arsc, basic_arsc_len));
71
72    String16 defPackage("com.android.test.basic");
73    String16 testName("@string/test1");
74    uint32_t resID = table.identifierForName(testName.string(), testName.size(),
75                                             0, 0,
76                                             defPackage.string(), defPackage.size());
77    ASSERT_NE(uint32_t(0x00000000), resID);
78    ASSERT_EQ(base::R::string::test1, resID);
79}
80
81TEST(ResTableTest, noParentThemeIsAppliedCorrectly) {
82    ResTable table;
83    ASSERT_EQ(NO_ERROR, table.add(basic_arsc, basic_arsc_len));
84
85    ResTable::Theme theme(table);
86    ASSERT_EQ(NO_ERROR, theme.applyStyle(base::R::style::Theme1));
87
88    Res_value val;
89    uint32_t specFlags = 0;
90    ssize_t index = theme.getAttribute(base::R::attr::attr1, &val, &specFlags);
91    ASSERT_GE(index, 0);
92    ASSERT_EQ(Res_value::TYPE_INT_DEC, val.dataType);
93    ASSERT_EQ(uint32_t(100), val.data);
94
95    index = theme.getAttribute(base::R::attr::attr2, &val, &specFlags);
96    ASSERT_GE(index, 0);
97    ASSERT_EQ(Res_value::TYPE_REFERENCE, val.dataType);
98    ASSERT_EQ(base::R::integer::number1, val.data);
99}
100
101TEST(ResTableTest, parentThemeIsAppliedCorrectly) {
102    ResTable table;
103    ASSERT_EQ(NO_ERROR, table.add(basic_arsc, basic_arsc_len));
104
105    ResTable::Theme theme(table);
106    ASSERT_EQ(NO_ERROR, theme.applyStyle(base::R::style::Theme2));
107
108    Res_value val;
109    uint32_t specFlags = 0;
110    ssize_t index = theme.getAttribute(base::R::attr::attr1, &val, &specFlags);
111    ASSERT_GE(index, 0);
112    ASSERT_EQ(Res_value::TYPE_INT_DEC, val.dataType);
113    ASSERT_EQ(uint32_t(300), val.data);
114
115    index = theme.getAttribute(base::R::attr::attr2, &val, &specFlags);
116    ASSERT_GE(index, 0);
117    ASSERT_EQ(Res_value::TYPE_REFERENCE, val.dataType);
118    ASSERT_EQ(base::R::integer::number1, val.data);
119}
120
121TEST(ResTableTest, libraryThemeIsAppliedCorrectly) {
122    ResTable table;
123    ASSERT_EQ(NO_ERROR, table.add(lib_arsc, lib_arsc_len));
124
125    ResTable::Theme theme(table);
126    ASSERT_EQ(NO_ERROR, theme.applyStyle(lib::R::style::Theme));
127
128    Res_value val;
129    uint32_t specFlags = 0;
130    ssize_t index = theme.getAttribute(lib::R::attr::attr1, &val, &specFlags);
131    ASSERT_GE(index, 0);
132    ASSERT_EQ(Res_value::TYPE_INT_DEC, val.dataType);
133    ASSERT_EQ(uint32_t(700), val.data);
134}
135
136TEST(ResTableTest, referenceToBagIsNotResolved) {
137    ResTable table;
138    ASSERT_EQ(NO_ERROR, table.add(basic_arsc, basic_arsc_len));
139
140    Res_value val;
141    ssize_t block = table.getResource(base::R::integer::number2, &val, MAY_NOT_BE_BAG);
142    ASSERT_GE(block, 0);
143    ASSERT_EQ(Res_value::TYPE_REFERENCE, val.dataType);
144    ASSERT_EQ(base::R::array::integerArray1, val.data);
145
146    ssize_t newBlock = table.resolveReference(&val, block);
147    EXPECT_EQ(block, newBlock);
148    EXPECT_EQ(Res_value::TYPE_REFERENCE, val.dataType);
149    EXPECT_EQ(base::R::array::integerArray1, val.data);
150}
151
152TEST(ResTableTest, resourcesStillAccessibleAfterParameterChange) {
153    ResTable table;
154    ASSERT_EQ(NO_ERROR, table.add(basic_arsc, basic_arsc_len));
155
156    Res_value val;
157    ssize_t block = table.getResource(base::R::integer::number1, &val, MAY_NOT_BE_BAG);
158    ASSERT_GE(block, 0);
159    ASSERT_EQ(Res_value::TYPE_INT_DEC, val.dataType);
160
161    const ResTable::bag_entry* entry;
162    ssize_t count = table.lockBag(base::R::array::integerArray1, &entry);
163    ASSERT_GE(count, 0);
164    table.unlockBag(entry);
165
166    ResTable_config param;
167    memset(&param, 0, sizeof(param));
168    param.density = 320;
169    table.setParameters(&param);
170
171    block = table.getResource(base::R::integer::number1, &val, MAY_NOT_BE_BAG);
172    ASSERT_GE(block, 0);
173    ASSERT_EQ(Res_value::TYPE_INT_DEC, val.dataType);
174
175    count = table.lockBag(base::R::array::integerArray1, &entry);
176    ASSERT_GE(count, 0);
177    table.unlockBag(entry);
178}
179
180TEST(ResTableTest, resourceIsOverridenWithBetterConfig) {
181    ResTable table;
182    ASSERT_EQ(NO_ERROR, table.add(basic_arsc, basic_arsc_len));
183
184    Res_value val;
185    ssize_t block = table.getResource(base::R::integer::number1, &val, MAY_NOT_BE_BAG);
186    ASSERT_GE(block, 0);
187    ASSERT_EQ(Res_value::TYPE_INT_DEC, val.dataType);
188    ASSERT_EQ(uint32_t(200), val.data);
189
190    ResTable_config param;
191    memset(&param, 0, sizeof(param));
192    param.language[0] = 's';
193    param.language[1] = 'v';
194    param.country[0] = 'S';
195    param.country[1] = 'E';
196    table.setParameters(&param);
197
198    block = table.getResource(base::R::integer::number1, &val, MAY_NOT_BE_BAG);
199    ASSERT_GE(block, 0);
200    ASSERT_EQ(Res_value::TYPE_INT_DEC, val.dataType);
201    ASSERT_EQ(uint32_t(400), val.data);
202}
203
204TEST(ResTableTest, emptyTableHasSensibleDefaults) {
205    const int32_t assetCookie = 1;
206
207    ResTable table;
208    ASSERT_EQ(NO_ERROR, table.addEmpty(assetCookie));
209
210    // Adding an empty table gives us one table!
211    ASSERT_EQ(uint32_t(1), table.getTableCount());
212
213    // Adding an empty table doesn't mean we get packages.
214    ASSERT_EQ(uint32_t(0), table.getBasePackageCount());
215
216    Res_value val;
217    ASSERT_LT(table.getResource(base::R::integer::number1, &val, MAY_NOT_BE_BAG), 0);
218}
219
220void testU16StringToInt(const char16_t* str, uint32_t expectedValue,
221                        bool expectSuccess, bool expectHex) {
222    size_t len = std::char_traits<char16_t>::length(str);
223
224    // Gtest can't print UTF-16 strings, so we have to convert to UTF-8 :(
225    std::wstring_convert<std::codecvt_utf8_utf16<char16_t>, char16_t> convert;
226    std::string s = convert.to_bytes(std::u16string(str, len));
227
228    Res_value out = {};
229    ASSERT_EQ(expectSuccess, U16StringToInt(str, len, &out))
230        << "Failed with " << s;
231
232    if (!expectSuccess) {
233        ASSERT_EQ(out.TYPE_NULL, out.dataType) << "Failed with " << s;
234        return;
235    }
236
237    if (expectHex) {
238        ASSERT_EQ(out.TYPE_INT_HEX, out.dataType) << "Failed with " << s;
239    } else {
240        ASSERT_EQ(out.TYPE_INT_DEC, out.dataType) << "Failed with " << s;
241    }
242
243    ASSERT_EQ(expectedValue, out.data) << "Failed with " << s;
244}
245
246TEST(ResTableTest, U16StringToInt) {
247    testU16StringToInt(u"", 0U, false, false);
248    testU16StringToInt(u"    ", 0U, false, false);
249    testU16StringToInt(u"\t\n", 0U, false, false);
250
251    testU16StringToInt(u"abcd", 0U, false, false);
252    testU16StringToInt(u"10abcd", 0U, false, false);
253    testU16StringToInt(u"42 42", 0U, false, false);
254    testU16StringToInt(u"- 42", 0U, false, false);
255    testU16StringToInt(u"-", 0U, false, false);
256
257    testU16StringToInt(u"0x", 0U, false, true);
258    testU16StringToInt(u"0xnope", 0U, false, true);
259    testU16StringToInt(u"0X42", 0U, false, true);
260    testU16StringToInt(u"0x42 0x42", 0U, false, true);
261    testU16StringToInt(u"-0x0", 0U, false, true);
262    testU16StringToInt(u"-0x42", 0U, false, true);
263    testU16StringToInt(u"- 0x42", 0U, false, true);
264
265    // Note that u" 42" would pass. This preserves the old behavior, but it may
266    // not be desired.
267    testU16StringToInt(u"42 ", 0U, false, false);
268    testU16StringToInt(u"0x42 ", 0U, false, true);
269
270    // Decimal cases.
271    testU16StringToInt(u"0", 0U, true, false);
272    testU16StringToInt(u"-0", 0U, true, false);
273    testU16StringToInt(u"42", 42U, true, false);
274    testU16StringToInt(u" 42", 42U, true, false);
275    testU16StringToInt(u"-42", static_cast<uint32_t>(-42), true, false);
276    testU16StringToInt(u" -42", static_cast<uint32_t>(-42), true, false);
277    testU16StringToInt(u"042", 42U, true, false);
278    testU16StringToInt(u"-042", static_cast<uint32_t>(-42), true, false);
279
280    // Hex cases.
281    testU16StringToInt(u"0x0", 0x0, true, true);
282    testU16StringToInt(u"0x42", 0x42, true, true);
283    testU16StringToInt(u" 0x42", 0x42, true, true);
284
285    // Just before overflow cases:
286    testU16StringToInt(u"2147483647", INT_MAX, true, false);
287    testU16StringToInt(u"-2147483648", static_cast<uint32_t>(INT_MIN), true,
288                       false);
289    testU16StringToInt(u"0xffffffff", UINT_MAX, true, true);
290
291    // Overflow cases:
292    testU16StringToInt(u"2147483648", 0U, false, false);
293    testU16StringToInt(u"-2147483649", 0U, false, false);
294    testU16StringToInt(u"0x1ffffffff", 0U, false, true);
295}
296
297TEST(ResTableTest, ShareButDontModifyResTable) {
298    ResTable sharedTable;
299    ASSERT_EQ(NO_ERROR, sharedTable.add(basic_arsc, basic_arsc_len));
300
301    ResTable_config param;
302    memset(&param, 0, sizeof(param));
303    param.language[0] = 'v';
304    param.language[1] = 's';
305    sharedTable.setParameters(&param);
306
307    // Check that we get the default value for @integer:number1
308    Res_value val;
309    ssize_t block = sharedTable.getResource(base::R::integer::number1, &val, MAY_NOT_BE_BAG);
310    ASSERT_GE(block, 0);
311    ASSERT_EQ(Res_value::TYPE_INT_DEC, val.dataType);
312    ASSERT_EQ(uint32_t(600), val.data);
313
314    // Create a new table that shares the entries of the shared table.
315    ResTable table;
316    ASSERT_EQ(NO_ERROR, table.add(&sharedTable, false));
317
318    // Set a new configuration on the new table.
319    memset(&param, 0, sizeof(param));
320    param.language[0] = 's';
321    param.language[1] = 'v';
322    param.country[0] = 'S';
323    param.country[1] = 'E';
324    table.setParameters(&param);
325
326    // Check that we get a new value in the new table.
327    block = table.getResource(base::R::integer::number1, &val, MAY_NOT_BE_BAG);
328    ASSERT_GE(block, 0);
329    ASSERT_EQ(Res_value::TYPE_INT_DEC, val.dataType);
330    ASSERT_EQ(uint32_t(400), val.data);
331
332    // Check that we still get the old value in the shared table.
333    block = sharedTable.getResource(base::R::integer::number1, &val, MAY_NOT_BE_BAG);
334    ASSERT_GE(block, 0);
335    ASSERT_EQ(Res_value::TYPE_INT_DEC, val.dataType);
336    ASSERT_EQ(uint32_t(600), val.data);
337}
338
339TEST(ResTableTest, GetConfigurationsReturnsUniqueList) {
340    ResTable table;
341    ASSERT_EQ(NO_ERROR, table.add(system_arsc, system_arsc_len));
342    ASSERT_EQ(NO_ERROR, table.add(basic_arsc, basic_arsc_len));
343
344    ResTable_config configSv;
345    memset(&configSv, 0, sizeof(configSv));
346    configSv.language[0] = 's';
347    configSv.language[1] = 'v';
348
349    Vector<ResTable_config> configs;
350    table.getConfigurations(&configs);
351
352    EXPECT_EQ(1, std::count(configs.begin(), configs.end(), configSv));
353
354    Vector<String8> locales;
355    table.getLocales(&locales);
356
357    EXPECT_EQ(1, std::count(locales.begin(), locales.end(), String8("sv")));
358}
359
360} // namespace
361