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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/AttributeFinder.h>
#include <gtest/gtest.h>
using android::BackTrackingAttributeFinder;
class MockAttributeFinder : public BackTrackingAttributeFinder<MockAttributeFinder, int> {
public:
MockAttributeFinder(const uint32_t* attrs, int len)
: BackTrackingAttributeFinder(0, len) {
mAttrs = new uint32_t[len];
memcpy(mAttrs, attrs, sizeof(*attrs) * len);
}
~MockAttributeFinder() {
delete mAttrs;
}
inline uint32_t getAttribute(const int index) const {
return mAttrs[index];
}
private:
uint32_t* mAttrs;
};
static const uint32_t sortedAttributes[] = {
0x01010000, 0x01010001, 0x01010002, 0x01010004,
0x02010001, 0x02010010, 0x7f010001
};
static const uint32_t packageUnsortedAttributes[] = {
0x02010001, 0x02010010, 0x01010000, 0x01010001,
0x01010002, 0x01010004, 0x7f010001
};
TEST(AttributeFinderTest, IteratesSequentially) {
const int end = sizeof(sortedAttributes) / sizeof(*sortedAttributes);
MockAttributeFinder finder(sortedAttributes, 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 = sizeof(sortedAttributes) / sizeof(*sortedAttributes);
MockAttributeFinder finder(sortedAttributes, 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 = sizeof(sortedAttributes) / sizeof(*sortedAttributes);
MockAttributeFinder finder(sortedAttributes, 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 = sizeof(packageUnsortedAttributes) / sizeof(*packageUnsortedAttributes);
MockAttributeFinder finder(packageUnsortedAttributes, 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));
}
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