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/*
* Copyright (C) 2016 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/AttributeFinder.h"
#include "android-base/macros.h"
#include "gtest/gtest.h"
namespace android {
class MockAttributeFinder
: public BackTrackingAttributeFinder<MockAttributeFinder, int> {
public:
MockAttributeFinder(const uint32_t* attrs, int len)
: BackTrackingAttributeFinder(0, len) {
attrs_ = new uint32_t[len];
memcpy(attrs_, attrs, sizeof(*attrs) * len);
}
~MockAttributeFinder() { delete attrs_; }
inline uint32_t GetAttribute(const int index) const { return attrs_[index]; }
private:
uint32_t* attrs_;
};
static const uint32_t kSortedAttributes[] = {0x01010000, 0x01010001, 0x01010002,
0x01010004, 0x02010001, 0x02010010,
0x7f010001};
static const uint32_t kPackageUnsortedAttributes[] = {
0x02010001, 0x02010010, 0x01010000, 0x01010001,
0x01010002, 0x01010004, 0x7f010001};
static const uint32_t kSinglePackageAttributes[] = {0x7f010007, 0x7f01000a,
0x7f01000d, 0x00000000};
TEST(AttributeFinderTest, IteratesSequentially) {
const int end = arraysize(kSortedAttributes);
MockAttributeFinder finder(kSortedAttributes, end);
EXPECT_EQ(0, finder.Find(0x01010000));
EXPECT_EQ(1, finder.Find(0x01010001));
EXPECT_EQ(2, finder.Find(0x01010002));
EXPECT_EQ(3, finder.Find(0x01010004));
EXPECT_EQ(4, finder.Find(0x02010001));
EXPECT_EQ(5, finder.Find(0x02010010));
EXPECT_EQ(6, finder.Find(0x7f010001));
EXPECT_EQ(end, finder.Find(0x7f010002));
}
TEST(AttributeFinderTest, PackagesAreOutOfOrder) {
const int end = arraysize(kSortedAttributes);
MockAttributeFinder finder(kSortedAttributes, end);
EXPECT_EQ(6, finder.Find(0x7f010001));
EXPECT_EQ(end, finder.Find(0x7f010002));
EXPECT_EQ(4, finder.Find(0x02010001));
EXPECT_EQ(5, finder.Find(0x02010010));
EXPECT_EQ(0, finder.Find(0x01010000));
EXPECT_EQ(1, finder.Find(0x01010001));
EXPECT_EQ(2, finder.Find(0x01010002));
EXPECT_EQ(3, finder.Find(0x01010004));
}
TEST(AttributeFinderTest, SomeAttributesAreNotFound) {
const int end = arraysize(kSortedAttributes);
MockAttributeFinder finder(kSortedAttributes, end);
EXPECT_EQ(0, finder.Find(0x01010000));
EXPECT_EQ(1, finder.Find(0x01010001));
EXPECT_EQ(2, finder.Find(0x01010002));
EXPECT_EQ(end, finder.Find(0x01010003));
EXPECT_EQ(3, finder.Find(0x01010004));
EXPECT_EQ(end, finder.Find(0x01010005));
EXPECT_EQ(end, finder.Find(0x01010006));
EXPECT_EQ(4, finder.Find(0x02010001));
EXPECT_EQ(end, finder.Find(0x02010002));
}
TEST(AttributeFinderTest, FindAttributesInPackageUnsortedAttributeList) {
const int end = arraysize(kPackageUnsortedAttributes);
MockAttributeFinder finder(kPackageUnsortedAttributes, end);
EXPECT_EQ(2, finder.Find(0x01010000));
EXPECT_EQ(3, finder.Find(0x01010001));
EXPECT_EQ(4, finder.Find(0x01010002));
EXPECT_EQ(end, finder.Find(0x01010003));
EXPECT_EQ(5, finder.Find(0x01010004));
EXPECT_EQ(end, finder.Find(0x01010005));
EXPECT_EQ(end, finder.Find(0x01010006));
EXPECT_EQ(0, finder.Find(0x02010001));
EXPECT_EQ(end, finder.Find(0x02010002));
EXPECT_EQ(1, finder.Find(0x02010010));
EXPECT_EQ(6, finder.Find(0x7f010001));
}
TEST(AttributeFinderTest, FindAttributesInSinglePackageAttributeList) {
const int end = arraysize(kSinglePackageAttributes);
MockAttributeFinder finder(kSinglePackageAttributes, end);
EXPECT_EQ(end, finder.Find(0x010100f4));
EXPECT_EQ(end, finder.Find(0x010100f5));
EXPECT_EQ(end, finder.Find(0x010100f6));
EXPECT_EQ(end, finder.Find(0x010100f7));
EXPECT_EQ(end, finder.Find(0x010100f8));
EXPECT_EQ(end, finder.Find(0x010100fa));
EXPECT_EQ(0, finder.Find(0x7f010007));
}
} // namespace android
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