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path: root/libs/androidfw/tests/ResTable_test.cpp
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/*
 * 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 <utils/String8.h>
#include <utils/String16.h>
#include "TestHelpers.h"
#include "data/basic/R.h"
#include "data/lib/R.h"

#include <gtest/gtest.h>

using namespace android;

namespace {

/**
 * Include a binary resource table.
 *
 * Package: com.android.test.basic
 */
#include "data/basic/basic_arsc.h"

#include "data/lib/lib_arsc.h"

TEST(ResTableTest, shouldLoadSuccessfully) {
    ResTable table;
    ASSERT_EQ(NO_ERROR, table.add(basic_arsc, basic_arsc_len));
}

TEST(ResTableTest, simpleTypeIsRetrievedCorrectly) {
    ResTable table;
    ASSERT_EQ(NO_ERROR, table.add(basic_arsc, basic_arsc_len));

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

TEST(ResTableTest, resourceNameIsResolved) {
    ResTable table;
    ASSERT_EQ(NO_ERROR, table.add(basic_arsc, basic_arsc_len));

    String16 defPackage("com.android.test.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(base::R::string::test1, resID);
}

TEST(ResTableTest, noParentThemeIsAppliedCorrectly) {
    ResTable table;
    ASSERT_EQ(NO_ERROR, table.add(basic_arsc, basic_arsc_len));

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

    Res_value val;
    uint32_t specFlags = 0;
    ssize_t index = theme.getAttribute(base::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(base::R::attr::attr2, &val, &specFlags);
    ASSERT_GE(index, 0);
    ASSERT_EQ(Res_value::TYPE_REFERENCE, val.dataType);
    ASSERT_EQ(base::R::integer::number1, val.data);
}

TEST(ResTableTest, parentThemeIsAppliedCorrectly) {
    ResTable table;
    ASSERT_EQ(NO_ERROR, table.add(basic_arsc, basic_arsc_len));

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

    Res_value val;
    uint32_t specFlags = 0;
    ssize_t index = theme.getAttribute(base::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(base::R::attr::attr2, &val, &specFlags);
    ASSERT_GE(index, 0);
    ASSERT_EQ(Res_value::TYPE_REFERENCE, val.dataType);
    ASSERT_EQ(base::R::integer::number1, val.data);
}

TEST(ResTableTest, libraryThemeIsAppliedCorrectly) {
    ResTable table;
    ASSERT_EQ(NO_ERROR, table.add(lib_arsc, lib_arsc_len));

    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);
}

TEST(ResTableTest, referenceToBagIsNotResolved) {
    ResTable table;
    ASSERT_EQ(NO_ERROR, table.add(basic_arsc, basic_arsc_len));

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

TEST(ResTableTest, resourcesStillAccessibleAfterParameterChange) {
    ResTable table;
    ASSERT_EQ(NO_ERROR, table.add(basic_arsc, basic_arsc_len));

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

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

TEST(ResTableTest, resourceIsOverridenWithBetterConfig) {
    ResTable table;
    ASSERT_EQ(NO_ERROR, table.add(basic_arsc, basic_arsc_len));

    Res_value val;
    ssize_t block = table.getResource(base::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(base::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(base::R::integer::number1, &val, MAY_NOT_BE_BAG), 0);
}

}