libs/androidfw/tests/ResTable_test.cpp - platform/frameworks/base - Git at Google

 /*
  * Copyright (C) 2014 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
  *
  *      http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */

 #include "androidfw/ResourceTypes.h"

 #include <codecvt>
 #include <locale>
 #include <string>

 #include "utils/String16.h"
 #include "utils/String8.h"

 #include "TestHelpers.h"
 #include "data/basic/R.h"
 #include "data/lib_one/R.h"

 namespace basic = com::android::basic;
 namespace lib = com::android::lib_one;

 namespace android {

 TEST(ResTableTest, ShouldLoadSuccessfully) {
   std::string contents;
   ASSERT_TRUE(ReadFileFromZipToString(GetTestDataPath() + "/basic/basic.apk",
                                       "resources.arsc", &contents));

   ResTable table;
   ASSERT_EQ(NO_ERROR, table.add(contents.data(), contents.size()));
 }

 TEST(ResTableTest, ShouldLoadSparseEntriesSuccessfully) {
   std::string contents;
   ASSERT_TRUE(ReadFileFromZipToString(GetTestDataPath() + "/sparse/sparse.apk", "resources.arsc",
                                       &contents));

   ResTable table;
   ASSERT_EQ(NO_ERROR, table.add(contents.data(), contents.size()));

   ResTable_config config;
   memset(&config, 0, sizeof(config));
   config.sdkVersion = 26;
   table.setParameters(&config);

   String16 name(u"com.android.sparse:integer/foo_9");
   uint32_t flags;
   uint32_t resid =
       table.identifierForName(name.string(), name.size(), nullptr, 0, nullptr, 0, &flags);
   ASSERT_NE(0u, resid);

   Res_value val;
   ResTable_config selected_config;
   ASSERT_GE(
       table.getResource(resid, &val, false /*mayBeBag*/, 0u /*density*/, &flags, &selected_config),
       0);
   EXPECT_EQ(Res_value::TYPE_INT_DEC, val.dataType);
   EXPECT_EQ(900u, val.data);
 }

 TEST(ResTableTest, SimpleTypeIsRetrievedCorrectly) {
   std::string contents;
   ASSERT_TRUE(ReadFileFromZipToString(GetTestDataPath() + "/basic/basic.apk",
                                       "resources.arsc", &contents));

   ResTable table;
   ASSERT_EQ(NO_ERROR, table.add(contents.data(), contents.size()));

   EXPECT_TRUE(IsStringEqual(table, basic::R::string::test1, "test1"));
 }

 TEST(ResTableTest, ResourceNameIsResolved) {
   std::string contents;
   ASSERT_TRUE(ReadFileFromZipToString(GetTestDataPath() + "/basic/basic.apk",
                                       "resources.arsc", &contents));

   ResTable table;
   ASSERT_EQ(NO_ERROR, table.add(contents.data(), contents.size()));

   String16 defPackage("com.android.basic");
   String16 testName("@string/test1");
   uint32_t resID =
       table.identifierForName(testName.string(), testName.size(), 0, 0,
                               defPackage.string(), defPackage.size());
   ASSERT_NE(uint32_t(0x00000000), resID);
   ASSERT_EQ(basic::R::string::test1, resID);
 }

 TEST(ResTableTest, NoParentThemeIsAppliedCorrectly) {
   std::string contents;
   ASSERT_TRUE(ReadFileFromZipToString(GetTestDataPath() + "/basic/basic.apk",
                                       "resources.arsc", &contents));

   ResTable table;
   ASSERT_EQ(NO_ERROR, table.add(contents.data(), contents.size()));

   ResTable::Theme theme(table);
   ASSERT_EQ(NO_ERROR, theme.applyStyle(basic::R::style::Theme1));

   Res_value val;
   uint32_t specFlags = 0;
   ssize_t index = theme.getAttribute(basic::R::attr::attr1, &val, &specFlags);
   ASSERT_GE(index, 0);
   ASSERT_EQ(Res_value::TYPE_INT_DEC, val.dataType);
   ASSERT_EQ(uint32_t(100), val.data);

   index = theme.getAttribute(basic::R::attr::attr2, &val, &specFlags);
   ASSERT_GE(index, 0);
   ASSERT_EQ(Res_value::TYPE_REFERENCE, val.dataType);
   ASSERT_EQ(basic::R::integer::number1, val.data);
 }

 TEST(ResTableTest, ParentThemeIsAppliedCorrectly) {
   std::string contents;
   ASSERT_TRUE(ReadFileFromZipToString(GetTestDataPath() + "/basic/basic.apk",
                                       "resources.arsc", &contents));

   ResTable table;
   ASSERT_EQ(NO_ERROR, table.add(contents.data(), contents.size()));

   ResTable::Theme theme(table);
   ASSERT_EQ(NO_ERROR, theme.applyStyle(basic::R::style::Theme2));

   Res_value val;
   uint32_t specFlags = 0;
   ssize_t index = theme.getAttribute(basic::R::attr::attr1, &val, &specFlags);
   ASSERT_GE(index, 0);
   ASSERT_EQ(Res_value::TYPE_INT_DEC, val.dataType);
   ASSERT_EQ(uint32_t(300), val.data);

   index = theme.getAttribute(basic::R::attr::attr2, &val, &specFlags);
   ASSERT_GE(index, 0);
   ASSERT_EQ(Res_value::TYPE_REFERENCE, val.dataType);
   ASSERT_EQ(basic::R::integer::number1, val.data);
 }

 TEST(ResTableTest, LibraryThemeIsAppliedCorrectly) {
   std::string contents;
   ASSERT_TRUE(ReadFileFromZipToString(GetTestDataPath() + "/lib_one/lib_one.apk",
                                       "resources.arsc", &contents));

   ResTable table;
   ASSERT_EQ(NO_ERROR, table.add(contents.data(), contents.size()));

   ResTable::Theme theme(table);
   ASSERT_EQ(NO_ERROR, theme.applyStyle(lib::R::style::Theme));

   Res_value val;
   uint32_t specFlags = 0;
   ssize_t index = theme.getAttribute(lib::R::attr::attr1, &val, &specFlags);
   ASSERT_GE(index, 0);
   ASSERT_EQ(Res_value::TYPE_INT_DEC, val.dataType);
   ASSERT_EQ(uint32_t(700), val.data);

   index = theme.getAttribute(lib::R::attr::attr2, &val, &specFlags);
   ASSERT_GE(index, 0);
   ASSERT_EQ(Res_value::TYPE_INT_DEC, val.dataType);
   ASSERT_EQ(uint32_t(700), val.data);
 }

 TEST(ResTableTest, ReferenceToBagIsNotResolved) {
   std::string contents;
   ASSERT_TRUE(ReadFileFromZipToString(GetTestDataPath() + "/basic/basic.apk",
                                       "resources.arsc", &contents));

   ResTable table;
   ASSERT_EQ(NO_ERROR, table.add(contents.data(), contents.size()));

   Res_value val;
   ssize_t block =
       table.getResource(basic::R::integer::number2, &val, MAY_NOT_BE_BAG);
   ASSERT_GE(block, 0);
   ASSERT_EQ(Res_value::TYPE_REFERENCE, val.dataType);
   ASSERT_EQ(basic::R::array::integerArray1, val.data);

   ssize_t newBlock = table.resolveReference(&val, block);
   EXPECT_EQ(block, newBlock);
   EXPECT_EQ(Res_value::TYPE_REFERENCE, val.dataType);
   EXPECT_EQ(basic::R::array::integerArray1, val.data);
 }

 TEST(ResTableTest, ResourcesStillAccessibleAfterParameterChange) {
   std::string contents;
   ASSERT_TRUE(ReadFileFromZipToString(GetTestDataPath() + "/basic/basic.apk",
                                       "resources.arsc", &contents));

   ResTable table;
   ASSERT_EQ(NO_ERROR, table.add(contents.data(), contents.size()));

   Res_value val;
   ssize_t block =
       table.getResource(basic::R::integer::number1, &val, MAY_NOT_BE_BAG);
   ASSERT_GE(block, 0);
   ASSERT_EQ(Res_value::TYPE_INT_DEC, val.dataType);

   const ResTable::bag_entry* entry;
   ssize_t count = table.lockBag(basic::R::array::integerArray1, &entry);
   ASSERT_GE(count, 0);
   table.unlockBag(entry);

   ResTable_config param;
   memset(&param, 0, sizeof(param));
   param.density = 320;
   table.setParameters(&param);

   block = table.getResource(basic::R::integer::number1, &val, MAY_NOT_BE_BAG);
   ASSERT_GE(block, 0);
   ASSERT_EQ(Res_value::TYPE_INT_DEC, val.dataType);

   count = table.lockBag(basic::R::array::integerArray1, &entry);
   ASSERT_GE(count, 0);
   table.unlockBag(entry);
 }

 TEST(ResTableTest, ResourceIsOverridenWithBetterConfig) {
   std::string contents;
   ASSERT_TRUE(ReadFileFromZipToString(GetTestDataPath() + "/basic/basic.apk",
                                       "resources.arsc", &contents));

   ResTable table;
   ASSERT_EQ(NO_ERROR, table.add(contents.data(), contents.size()));

   Res_value val;
   ssize_t block =
       table.getResource(basic::R::integer::number1, &val, MAY_NOT_BE_BAG);
   ASSERT_GE(block, 0);
   ASSERT_EQ(Res_value::TYPE_INT_DEC, val.dataType);
   ASSERT_EQ(uint32_t(200), val.data);

   ResTable_config param;
   memset(&param, 0, sizeof(param));
   param.language[0] = 's';
   param.language[1] = 'v';
   param.country[0] = 'S';
   param.country[1] = 'E';
   table.setParameters(&param);

   block = table.getResource(basic::R::integer::number1, &val, MAY_NOT_BE_BAG);
   ASSERT_GE(block, 0);
   ASSERT_EQ(Res_value::TYPE_INT_DEC, val.dataType);
   ASSERT_EQ(uint32_t(400), val.data);
 }

 TEST(ResTableTest, emptyTableHasSensibleDefaults) {
   const int32_t assetCookie = 1;

   ResTable table;
   ASSERT_EQ(NO_ERROR, table.addEmpty(assetCookie));

   // Adding an empty table gives us one table!
   ASSERT_EQ(uint32_t(1), table.getTableCount());

   // Adding an empty table doesn't mean we get packages.
   ASSERT_EQ(uint32_t(0), table.getBasePackageCount());

   Res_value val;
   ASSERT_LT(table.getResource(basic::R::integer::number1, &val, MAY_NOT_BE_BAG),
             0);
 }

 void testU16StringToInt(const char16_t* str, uint32_t expectedValue,
                         bool expectSuccess, bool expectHex) {
   size_t len = std::char_traits<char16_t>::length(str);

   // Gtest can't print UTF-16 strings, so we have to convert to UTF-8 :(
   std::wstring_convert<std::codecvt_utf8_utf16<char16_t>, char16_t> convert;
   std::string s = convert.to_bytes(std::u16string(str, len));

   Res_value out = {};
   ASSERT_EQ(expectSuccess, U16StringToInt(str, len, &out)) << "Failed with "
                                                            << s;

   if (!expectSuccess) {
     ASSERT_EQ(out.TYPE_NULL, out.dataType) << "Failed with " << s;
     return;
   }

   if (expectHex) {
     ASSERT_EQ(out.TYPE_INT_HEX, out.dataType) << "Failed with " << s;
   } else {
     ASSERT_EQ(out.TYPE_INT_DEC, out.dataType) << "Failed with " << s;
   }

   ASSERT_EQ(expectedValue, out.data) << "Failed with " << s;
 }

 TEST(ResTableTest, U16StringToInt) {
   testU16StringToInt(u"", 0U, false, false);
   testU16StringToInt(u"    ", 0U, false, false);
   testU16StringToInt(u"\t\n", 0U, false, false);

   testU16StringToInt(u"abcd", 0U, false, false);
   testU16StringToInt(u"10abcd", 0U, false, false);
   testU16StringToInt(u"42 42", 0U, false, false);
   testU16StringToInt(u"- 42", 0U, false, false);
   testU16StringToInt(u"-", 0U, false, false);

   testU16StringToInt(u"0x", 0U, false, true);
   testU16StringToInt(u"0xnope", 0U, false, true);
   testU16StringToInt(u"0X42", 0U, false, true);
   testU16StringToInt(u"0x42 0x42", 0U, false, true);
   testU16StringToInt(u"-0x0", 0U, false, true);
   testU16StringToInt(u"-0x42", 0U, false, true);
   testU16StringToInt(u"- 0x42", 0U, false, true);

   // Note that u" 42" would pass. This preserves the old behavior, but it may
   // not be desired.
   testU16StringToInt(u"42 ", 0U, false, false);
   testU16StringToInt(u"0x42 ", 0U, false, true);

   // Decimal cases.
   testU16StringToInt(u"0", 0U, true, false);
   testU16StringToInt(u"-0", 0U, true, false);
   testU16StringToInt(u"42", 42U, true, false);
   testU16StringToInt(u" 42", 42U, true, false);
   testU16StringToInt(u"-42", static_cast<uint32_t>(-42), true, false);
   testU16StringToInt(u" -42", static_cast<uint32_t>(-42), true, false);
   testU16StringToInt(u"042", 42U, true, false);
   testU16StringToInt(u"-042", static_cast<uint32_t>(-42), true, false);

   // Hex cases.
   testU16StringToInt(u"0x0", 0x0, true, true);
   testU16StringToInt(u"0x42", 0x42, true, true);
   testU16StringToInt(u" 0x42", 0x42, true, true);

   // Just before overflow cases:
   testU16StringToInt(u"2147483647", INT_MAX, true, false);
   testU16StringToInt(u"-2147483648", static_cast<uint32_t>(INT_MIN), true,
                      false);
   testU16StringToInt(u"0xffffffff", UINT_MAX, true, true);

   // Overflow cases:
   testU16StringToInt(u"2147483648", 0U, false, false);
   testU16StringToInt(u"-2147483649", 0U, false, false);
   testU16StringToInt(u"0x1ffffffff", 0U, false, true);
 }

 TEST(ResTableTest, ShareButDontModifyResTable) {
   std::string contents;
   ASSERT_TRUE(ReadFileFromZipToString(GetTestDataPath() + "/basic/basic.apk",
                                       "resources.arsc", &contents));

   ResTable sharedTable;
   ASSERT_EQ(NO_ERROR, sharedTable.add(contents.data(), contents.size()));

   ResTable_config param;
   memset(&param, 0, sizeof(param));
   param.language[0] = 'v';
   param.language[1] = 's';
   sharedTable.setParameters(&param);

   // Check that we get the default value for @integer:number1
   Res_value val;
   ssize_t block =
       sharedTable.getResource(basic::R::integer::number1, &val, MAY_NOT_BE_BAG);
   ASSERT_GE(block, 0);
   ASSERT_EQ(Res_value::TYPE_INT_DEC, val.dataType);
   ASSERT_EQ(uint32_t(600), val.data);

   // Create a new table that shares the entries of the shared table.
   ResTable table;
   ASSERT_EQ(NO_ERROR, table.add(&sharedTable, false));

   // Set a new configuration on the new table.
   memset(&param, 0, sizeof(param));
   param.language[0] = 's';
   param.language[1] = 'v';
   param.country[0] = 'S';
   param.country[1] = 'E';
   table.setParameters(&param);

   // Check that we get a new value in the new table.
   block = table.getResource(basic::R::integer::number1, &val, MAY_NOT_BE_BAG);
   ASSERT_GE(block, 0);
   ASSERT_EQ(Res_value::TYPE_INT_DEC, val.dataType);
   ASSERT_EQ(uint32_t(400), val.data);

   // Check that we still get the old value in the shared table.
   block =
       sharedTable.getResource(basic::R::integer::number1, &val, MAY_NOT_BE_BAG);
   ASSERT_GE(block, 0);
   ASSERT_EQ(Res_value::TYPE_INT_DEC, val.dataType);
   ASSERT_EQ(uint32_t(600), val.data);
 }

 TEST(ResTableTest, GetConfigurationsReturnsUniqueList) {
   std::string contents;
   ASSERT_TRUE(ReadFileFromZipToString(GetTestDataPath() + "/basic/basic.apk",
                                       "resources.arsc", &contents));

   std::string system_contents;
   ASSERT_TRUE(ReadFileFromZipToString(GetTestDataPath() + "/system/system.apk",
                                       "resources.arsc", &system_contents));

   ResTable table;
   ASSERT_EQ(NO_ERROR,
             table.add(system_contents.data(), system_contents.size()));
   ASSERT_EQ(NO_ERROR, table.add(contents.data(), contents.size()));

   ResTable_config configSv;
   memset(&configSv, 0, sizeof(configSv));
   configSv.language[0] = 's';
   configSv.language[1] = 'v';

   Vector<ResTable_config> configs;
   table.getConfigurations(&configs);

   EXPECT_EQ(1, std::count(configs.begin(), configs.end(), configSv));

   Vector<String8> locales;
   table.getLocales(&locales);

   EXPECT_EQ(1, std::count(locales.begin(), locales.end(), String8("sv")));
 }

 TEST(ResTableTest, TruncatedEncodeLength) {
   std::string contents;
   ASSERT_TRUE(ReadFileFromZipToString(GetTestDataPath() + "/length_decode/length_decode_valid.apk",
                                       "resources.arsc", &contents));

   ResTable table;
   ASSERT_EQ(NO_ERROR, table.add(contents.data(), contents.size()));

   Res_value val;
   ssize_t block = table.getResource(0x7f010001, &val, MAY_NOT_BE_BAG);
   ASSERT_GE(block, 0);
   ASSERT_EQ(Res_value::TYPE_STRING, val.dataType);

   const ResStringPool* pool = table.getTableStringBlock(block);
   ASSERT_TRUE(pool != NULL);
   ASSERT_LT(val.data, pool->size());

   // Make sure a string with a truncated length is read to its correct length
   size_t str_len;
   const char* target_str8 = pool->string8At(val.data, &str_len);
   ASSERT_TRUE(target_str8 != NULL);
   ASSERT_EQ(size_t(40076), String8(target_str8, str_len).size());
   ASSERT_EQ(target_str8[40075], ']');

   const char16_t* target_str16 = pool->stringAt(val.data, &str_len);
   ASSERT_TRUE(target_str16 != NULL);
   ASSERT_EQ(size_t(40076), String16(target_str16, str_len).size());
   ASSERT_EQ(target_str8[40075], (char16_t) ']');

   // Load an edited apk with the null terminator removed from the end of the
   // string
   std::string invalid_contents;
   ASSERT_TRUE(ReadFileFromZipToString(GetTestDataPath() + "/length_decode/length_decode_invalid.apk",
                                       "resources.arsc", &invalid_contents));
   ResTable invalid_table;
   ASSERT_EQ(NO_ERROR, invalid_table.add(invalid_contents.data(), invalid_contents.size()));

   Res_value invalid_val;
   ssize_t invalid_block = invalid_table.getResource(0x7f010001, &invalid_val, MAY_NOT_BE_BAG);
   ASSERT_GE(invalid_block, 0);
   ASSERT_EQ(Res_value::TYPE_STRING, invalid_val.dataType);

   const ResStringPool* invalid_pool = invalid_table.getTableStringBlock(invalid_block);
   ASSERT_TRUE(invalid_pool != NULL);
   ASSERT_LT(invalid_val.data, invalid_pool->size());

   // Make sure a string with a truncated length that is not null terminated errors
   // and does not return the string
   ASSERT_TRUE(invalid_pool->string8At(invalid_val.data, &str_len) == NULL);
   ASSERT_TRUE(invalid_pool->stringAt(invalid_val.data, &str_len) == NULL);
 }

 }  // namespace android
	/*
	* Copyright (C) 2014 The Android Open Source Project
	*
	* Licensed under the Apache License, Version 2.0 (the "License");
	* you may not use this file except in compliance with the License.
	* You may obtain a copy of the License at
	*
	* http://www.apache.org/licenses/LICENSE-2.0
	*
	* Unless required by applicable law or agreed to in writing, software
	* distributed under the License is distributed on an "AS IS" BASIS,
	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	* See the License for the specific language governing permissions and
	* limitations under the License.
	*/

	#include "androidfw/ResourceTypes.h"

	#include <codecvt>
	#include <locale>
	#include <string>

	#include "utils/String16.h"
	#include "utils/String8.h"

	#include "TestHelpers.h"
	#include "data/basic/R.h"
	#include "data/lib_one/R.h"

	namespace basic = com::android::basic;
	namespace lib = com::android::lib_one;

	namespace android {

	TEST(ResTableTest, ShouldLoadSuccessfully) {
	std::string contents;
	ASSERT_TRUE(ReadFileFromZipToString(GetTestDataPath() + "/basic/basic.apk",
	"resources.arsc", &contents));

	ResTable table;
	ASSERT_EQ(NO_ERROR, table.add(contents.data(), contents.size()));
	}

	TEST(ResTableTest, ShouldLoadSparseEntriesSuccessfully) {
	std::string contents;
	ASSERT_TRUE(ReadFileFromZipToString(GetTestDataPath() + "/sparse/sparse.apk", "resources.arsc",
	&contents));

	ResTable table;
	ASSERT_EQ(NO_ERROR, table.add(contents.data(), contents.size()));

	ResTable_config config;
	memset(&config, 0, sizeof(config));
	config.sdkVersion = 26;
	table.setParameters(&config);

	String16 name(u"com.android.sparse:integer/foo_9");
	uint32_t flags;
	uint32_t resid =
	table.identifierForName(name.string(), name.size(), nullptr, 0, nullptr, 0, &flags);
	ASSERT_NE(0u, resid);

	Res_value val;
	ResTable_config selected_config;
	ASSERT_GE(
	table.getResource(resid, &val, false /mayBeBag/, 0u /density/, &flags, &selected_config),
	0);
	EXPECT_EQ(Res_value::TYPE_INT_DEC, val.dataType);
	EXPECT_EQ(900u, val.data);
	}

	TEST(ResTableTest, SimpleTypeIsRetrievedCorrectly) {
	std::string contents;
	ASSERT_TRUE(ReadFileFromZipToString(GetTestDataPath() + "/basic/basic.apk",
	"resources.arsc", &contents));

	ResTable table;
	ASSERT_EQ(NO_ERROR, table.add(contents.data(), contents.size()));

	EXPECT_TRUE(IsStringEqual(table, basic::R::string::test1, "test1"));
	}

	TEST(ResTableTest, ResourceNameIsResolved) {
	std::string contents;
	ASSERT_TRUE(ReadFileFromZipToString(GetTestDataPath() + "/basic/basic.apk",
	"resources.arsc", &contents));

	ResTable table;
	ASSERT_EQ(NO_ERROR, table.add(contents.data(), contents.size()));

	String16 defPackage("com.android.basic");
	String16 testName("@string/test1");
	uint32_t resID =
	table.identifierForName(testName.string(), testName.size(), 0, 0,
	defPackage.string(), defPackage.size());
	ASSERT_NE(uint32_t(0x00000000), resID);
	ASSERT_EQ(basic::R::string::test1, resID);
	}

	TEST(ResTableTest, NoParentThemeIsAppliedCorrectly) {
	std::string contents;
	ASSERT_TRUE(ReadFileFromZipToString(GetTestDataPath() + "/basic/basic.apk",
	"resources.arsc", &contents));

	ResTable table;
	ASSERT_EQ(NO_ERROR, table.add(contents.data(), contents.size()));

	ResTable::Theme theme(table);
	ASSERT_EQ(NO_ERROR, theme.applyStyle(basic::R::style::Theme1));

	Res_value val;
	uint32_t specFlags = 0;
	ssize_t index = theme.getAttribute(basic::R::attr::attr1, &val, &specFlags);
	ASSERT_GE(index, 0);
	ASSERT_EQ(Res_value::TYPE_INT_DEC, val.dataType);
	ASSERT_EQ(uint32_t(100), val.data);

	index = theme.getAttribute(basic::R::attr::attr2, &val, &specFlags);
	ASSERT_GE(index, 0);
	ASSERT_EQ(Res_value::TYPE_REFERENCE, val.dataType);
	ASSERT_EQ(basic::R::integer::number1, val.data);
	}

	TEST(ResTableTest, ParentThemeIsAppliedCorrectly) {
	std::string contents;
	ASSERT_TRUE(ReadFileFromZipToString(GetTestDataPath() + "/basic/basic.apk",
	"resources.arsc", &contents));

	ResTable table;
	ASSERT_EQ(NO_ERROR, table.add(contents.data(), contents.size()));

	ResTable::Theme theme(table);
	ASSERT_EQ(NO_ERROR, theme.applyStyle(basic::R::style::Theme2));

	Res_value val;
	uint32_t specFlags = 0;
	ssize_t index = theme.getAttribute(basic::R::attr::attr1, &val, &specFlags);
	ASSERT_GE(index, 0);
	ASSERT_EQ(Res_value::TYPE_INT_DEC, val.dataType);
	ASSERT_EQ(uint32_t(300), val.data);

	index = theme.getAttribute(basic::R::attr::attr2, &val, &specFlags);
	ASSERT_GE(index, 0);
	ASSERT_EQ(Res_value::TYPE_REFERENCE, val.dataType);
	ASSERT_EQ(basic::R::integer::number1, val.data);
	}

	TEST(ResTableTest, LibraryThemeIsAppliedCorrectly) {
	std::string contents;
	ASSERT_TRUE(ReadFileFromZipToString(GetTestDataPath() + "/lib_one/lib_one.apk",
	"resources.arsc", &contents));

	ResTable table;
	ASSERT_EQ(NO_ERROR, table.add(contents.data(), contents.size()));

	ResTable::Theme theme(table);
	ASSERT_EQ(NO_ERROR, theme.applyStyle(lib::R::style::Theme));

	Res_value val;
	uint32_t specFlags = 0;
	ssize_t index = theme.getAttribute(lib::R::attr::attr1, &val, &specFlags);
	ASSERT_GE(index, 0);
	ASSERT_EQ(Res_value::TYPE_INT_DEC, val.dataType);
	ASSERT_EQ(uint32_t(700), val.data);

	index = theme.getAttribute(lib::R::attr::attr2, &val, &specFlags);
	ASSERT_GE(index, 0);
	ASSERT_EQ(Res_value::TYPE_INT_DEC, val.dataType);
	ASSERT_EQ(uint32_t(700), val.data);
	}

	TEST(ResTableTest, ReferenceToBagIsNotResolved) {
	std::string contents;
	ASSERT_TRUE(ReadFileFromZipToString(GetTestDataPath() + "/basic/basic.apk",
	"resources.arsc", &contents));

	ResTable table;
	ASSERT_EQ(NO_ERROR, table.add(contents.data(), contents.size()));

	Res_value val;
	ssize_t block =
	table.getResource(basic::R::integer::number2, &val, MAY_NOT_BE_BAG);
	ASSERT_GE(block, 0);
	ASSERT_EQ(Res_value::TYPE_REFERENCE, val.dataType);
	ASSERT_EQ(basic::R::array::integerArray1, val.data);

	ssize_t newBlock = table.resolveReference(&val, block);
	EXPECT_EQ(block, newBlock);
	EXPECT_EQ(Res_value::TYPE_REFERENCE, val.dataType);
	EXPECT_EQ(basic::R::array::integerArray1, val.data);
	}

	TEST(ResTableTest, ResourcesStillAccessibleAfterParameterChange) {
	std::string contents;
	ASSERT_TRUE(ReadFileFromZipToString(GetTestDataPath() + "/basic/basic.apk",
	"resources.arsc", &contents));

	ResTable table;
	ASSERT_EQ(NO_ERROR, table.add(contents.data(), contents.size()));

	Res_value val;
	ssize_t block =
	table.getResource(basic::R::integer::number1, &val, MAY_NOT_BE_BAG);
	ASSERT_GE(block, 0);
	ASSERT_EQ(Res_value::TYPE_INT_DEC, val.dataType);

	const ResTable::bag_entry* entry;
	ssize_t count = table.lockBag(basic::R::array::integerArray1, &entry);
	ASSERT_GE(count, 0);
	table.unlockBag(entry);

	ResTable_config param;
	memset(&param, 0, sizeof(param));
	param.density = 320;
	table.setParameters(&param);

	block = table.getResource(basic::R::integer::number1, &val, MAY_NOT_BE_BAG);
	ASSERT_GE(block, 0);
	ASSERT_EQ(Res_value::TYPE_INT_DEC, val.dataType);

	count = table.lockBag(basic::R::array::integerArray1, &entry);
	ASSERT_GE(count, 0);
	table.unlockBag(entry);
	}

	TEST(ResTableTest, ResourceIsOverridenWithBetterConfig) {
	std::string contents;
	ASSERT_TRUE(ReadFileFromZipToString(GetTestDataPath() + "/basic/basic.apk",
	"resources.arsc", &contents));

	ResTable table;
	ASSERT_EQ(NO_ERROR, table.add(contents.data(), contents.size()));

	Res_value val;
	ssize_t block =
	table.getResource(basic::R::integer::number1, &val, MAY_NOT_BE_BAG);
	ASSERT_GE(block, 0);
	ASSERT_EQ(Res_value::TYPE_INT_DEC, val.dataType);
	ASSERT_EQ(uint32_t(200), val.data);

	ResTable_config param;
	memset(&param, 0, sizeof(param));
	param.language[0] = 's';
	param.language[1] = 'v';
	param.country[0] = 'S';
	param.country[1] = 'E';
	table.setParameters(&param);

	block = table.getResource(basic::R::integer::number1, &val, MAY_NOT_BE_BAG);
	ASSERT_GE(block, 0);
	ASSERT_EQ(Res_value::TYPE_INT_DEC, val.dataType);
	ASSERT_EQ(uint32_t(400), val.data);
	}

	TEST(ResTableTest, emptyTableHasSensibleDefaults) {
	const int32_t assetCookie = 1;

	ResTable table;
	ASSERT_EQ(NO_ERROR, table.addEmpty(assetCookie));

	// Adding an empty table gives us one table!
	ASSERT_EQ(uint32_t(1), table.getTableCount());

	// Adding an empty table doesn't mean we get packages.
	ASSERT_EQ(uint32_t(0), table.getBasePackageCount());

	Res_value val;
	ASSERT_LT(table.getResource(basic::R::integer::number1, &val, MAY_NOT_BE_BAG),
	0);
	}

	void testU16StringToInt(const char16_t* str, uint32_t expectedValue,
	bool expectSuccess, bool expectHex) {
	size_t len = std::char_traits<char16_t>::length(str);

	// Gtest can't print UTF-16 strings, so we have to convert to UTF-8 :(
	std::wstring_convert<std::codecvt_utf8_utf16<char16_t>, char16_t> convert;
	std::string s = convert.to_bytes(std::u16string(str, len));

	Res_value out = {};
	ASSERT_EQ(expectSuccess, U16StringToInt(str, len, &out)) << "Failed with "
	<< s;

	if (!expectSuccess) {
	ASSERT_EQ(out.TYPE_NULL, out.dataType) << "Failed with " << s;
	return;
	}

	if (expectHex) {
	ASSERT_EQ(out.TYPE_INT_HEX, out.dataType) << "Failed with " << s;
	} else {
	ASSERT_EQ(out.TYPE_INT_DEC, out.dataType) << "Failed with " << s;
	}

	ASSERT_EQ(expectedValue, out.data) << "Failed with " << s;
	}

	TEST(ResTableTest, U16StringToInt) {
	testU16StringToInt(u"", 0U, false, false);
	testU16StringToInt(u" ", 0U, false, false);
	testU16StringToInt(u"\t\n", 0U, false, false);

	testU16StringToInt(u"abcd", 0U, false, false);
	testU16StringToInt(u"10abcd", 0U, false, false);
	testU16StringToInt(u"42 42", 0U, false, false);
	testU16StringToInt(u"- 42", 0U, false, false);
	testU16StringToInt(u"-", 0U, false, false);

	testU16StringToInt(u"0x", 0U, false, true);
	testU16StringToInt(u"0xnope", 0U, false, true);
	testU16StringToInt(u"0X42", 0U, false, true);
	testU16StringToInt(u"0x42 0x42", 0U, false, true);
	testU16StringToInt(u"-0x0", 0U, false, true);
	testU16StringToInt(u"-0x42", 0U, false, true);
	testU16StringToInt(u"- 0x42", 0U, false, true);

	// Note that u" 42" would pass. This preserves the old behavior, but it may
	// not be desired.
	testU16StringToInt(u"42 ", 0U, false, false);
	testU16StringToInt(u"0x42 ", 0U, false, true);

	// Decimal cases.
	testU16StringToInt(u"0", 0U, true, false);
	testU16StringToInt(u"-0", 0U, true, false);
	testU16StringToInt(u"42", 42U, true, false);
	testU16StringToInt(u" 42", 42U, true, false);
	testU16StringToInt(u"-42", static_cast<uint32_t>(-42), true, false);
	testU16StringToInt(u" -42", static_cast<uint32_t>(-42), true, false);
	testU16StringToInt(u"042", 42U, true, false);
	testU16StringToInt(u"-042", static_cast<uint32_t>(-42), true, false);

	// Hex cases.
	testU16StringToInt(u"0x0", 0x0, true, true);
	testU16StringToInt(u"0x42", 0x42, true, true);
	testU16StringToInt(u" 0x42", 0x42, true, true);

	// Just before overflow cases:
	testU16StringToInt(u"2147483647", INT_MAX, true, false);
	testU16StringToInt(u"-2147483648", static_cast<uint32_t>(INT_MIN), true,
	false);
	testU16StringToInt(u"0xffffffff", UINT_MAX, true, true);

	// Overflow cases:
	testU16StringToInt(u"2147483648", 0U, false, false);
	testU16StringToInt(u"-2147483649", 0U, false, false);
	testU16StringToInt(u"0x1ffffffff", 0U, false, true);
	}

	TEST(ResTableTest, ShareButDontModifyResTable) {
	std::string contents;
	ASSERT_TRUE(ReadFileFromZipToString(GetTestDataPath() + "/basic/basic.apk",
	"resources.arsc", &contents));

	ResTable sharedTable;
	ASSERT_EQ(NO_ERROR, sharedTable.add(contents.data(), contents.size()));

	ResTable_config param;
	memset(&param, 0, sizeof(param));
	param.language[0] = 'v';
	param.language[1] = 's';
	sharedTable.setParameters(&param);

	// Check that we get the default value for @integer:number1
	Res_value val;
	ssize_t block =
	sharedTable.getResource(basic::R::integer::number1, &val, MAY_NOT_BE_BAG);
	ASSERT_GE(block, 0);
	ASSERT_EQ(Res_value::TYPE_INT_DEC, val.dataType);
	ASSERT_EQ(uint32_t(600), val.data);

	// Create a new table that shares the entries of the shared table.
	ResTable table;
	ASSERT_EQ(NO_ERROR, table.add(&sharedTable, false));

	// Set a new configuration on the new table.
	memset(&param, 0, sizeof(param));
	param.language[0] = 's';
	param.language[1] = 'v';
	param.country[0] = 'S';
	param.country[1] = 'E';
	table.setParameters(&param);

	// Check that we get a new value in the new table.
	block = table.getResource(basic::R::integer::number1, &val, MAY_NOT_BE_BAG);
	ASSERT_GE(block, 0);
	ASSERT_EQ(Res_value::TYPE_INT_DEC, val.dataType);
	ASSERT_EQ(uint32_t(400), val.data);

	// Check that we still get the old value in the shared table.
	block =
	sharedTable.getResource(basic::R::integer::number1, &val, MAY_NOT_BE_BAG);
	ASSERT_GE(block, 0);
	ASSERT_EQ(Res_value::TYPE_INT_DEC, val.dataType);
	ASSERT_EQ(uint32_t(600), val.data);
	}

	TEST(ResTableTest, GetConfigurationsReturnsUniqueList) {
	std::string contents;
	ASSERT_TRUE(ReadFileFromZipToString(GetTestDataPath() + "/basic/basic.apk",
	"resources.arsc", &contents));

	std::string system_contents;
	ASSERT_TRUE(ReadFileFromZipToString(GetTestDataPath() + "/system/system.apk",
	"resources.arsc", &system_contents));

	ResTable table;
	ASSERT_EQ(NO_ERROR,
	table.add(system_contents.data(), system_contents.size()));
	ASSERT_EQ(NO_ERROR, table.add(contents.data(), contents.size()));

	ResTable_config configSv;
	memset(&configSv, 0, sizeof(configSv));
	configSv.language[0] = 's';
	configSv.language[1] = 'v';

	Vector<ResTable_config> configs;
	table.getConfigurations(&configs);

	EXPECT_EQ(1, std::count(configs.begin(), configs.end(), configSv));

	Vector<String8> locales;
	table.getLocales(&locales);

	EXPECT_EQ(1, std::count(locales.begin(), locales.end(), String8("sv")));
	}

	TEST(ResTableTest, TruncatedEncodeLength) {
	std::string contents;
	ASSERT_TRUE(ReadFileFromZipToString(GetTestDataPath() + "/length_decode/length_decode_valid.apk",
	"resources.arsc", &contents));

	ResTable table;
	ASSERT_EQ(NO_ERROR, table.add(contents.data(), contents.size()));

	Res_value val;
	ssize_t block = table.getResource(0x7f010001, &val, MAY_NOT_BE_BAG);
	ASSERT_GE(block, 0);
	ASSERT_EQ(Res_value::TYPE_STRING, val.dataType);

	const ResStringPool* pool = table.getTableStringBlock(block);
	ASSERT_TRUE(pool != NULL);
	ASSERT_LT(val.data, pool->size());

	// Make sure a string with a truncated length is read to its correct length
	size_t str_len;
	const char* target_str8 = pool->string8At(val.data, &str_len);
	ASSERT_TRUE(target_str8 != NULL);
	ASSERT_EQ(size_t(40076), String8(target_str8, str_len).size());
	ASSERT_EQ(target_str8[40075], ']');

	const char16_t* target_str16 = pool->stringAt(val.data, &str_len);
	ASSERT_TRUE(target_str16 != NULL);
	ASSERT_EQ(size_t(40076), String16(target_str16, str_len).size());
	ASSERT_EQ(target_str8[40075], (char16_t) ']');

	// Load an edited apk with the null terminator removed from the end of the
	// string
	std::string invalid_contents;
	ASSERT_TRUE(ReadFileFromZipToString(GetTestDataPath() + "/length_decode/length_decode_invalid.apk",
	"resources.arsc", &invalid_contents));
	ResTable invalid_table;
	ASSERT_EQ(NO_ERROR, invalid_table.add(invalid_contents.data(), invalid_contents.size()));

	Res_value invalid_val;
	ssize_t invalid_block = invalid_table.getResource(0x7f010001, &invalid_val, MAY_NOT_BE_BAG);
	ASSERT_GE(invalid_block, 0);
	ASSERT_EQ(Res_value::TYPE_STRING, invalid_val.dataType);

	const ResStringPool* invalid_pool = invalid_table.getTableStringBlock(invalid_block);
	ASSERT_TRUE(invalid_pool != NULL);
	ASSERT_LT(invalid_val.data, invalid_pool->size());

	// Make sure a string with a truncated length that is not null terminated errors
	// and does not return the string
	ASSERT_TRUE(invalid_pool->string8At(invalid_val.data, &str_len) == NULL);
	ASSERT_TRUE(invalid_pool->stringAt(invalid_val.data, &str_len) == NULL);
	}

	} // namespace android