5dce5e67db
A sentinal value of 0x00000000 was used to mark the first time an AttributeFinder was used. If the resource ID of an attribute was also 0x00000000 (which occurs with non-resource attributes, like 'style'), then it would be mistaken as the sentinel start value. Bug:18421787 Change-Id: I4be353e0f8c940cb6f262d155129f048dcc444ae
129 lines
4.4 KiB
C++
129 lines
4.4 KiB
C++
/*
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* Copyright (C) 2014 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <androidfw/AttributeFinder.h>
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#include <gtest/gtest.h>
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using android::BackTrackingAttributeFinder;
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class MockAttributeFinder : public BackTrackingAttributeFinder<MockAttributeFinder, int> {
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public:
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MockAttributeFinder(const uint32_t* attrs, int len)
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: BackTrackingAttributeFinder(0, len) {
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mAttrs = new uint32_t[len];
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memcpy(mAttrs, attrs, sizeof(*attrs) * len);
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}
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~MockAttributeFinder() {
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delete mAttrs;
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}
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inline uint32_t getAttribute(const int index) const {
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return mAttrs[index];
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}
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private:
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uint32_t* mAttrs;
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};
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static const uint32_t sortedAttributes[] = {
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0x01010000, 0x01010001, 0x01010002, 0x01010004,
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0x02010001, 0x02010010, 0x7f010001
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};
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static const uint32_t packageUnsortedAttributes[] = {
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0x02010001, 0x02010010, 0x01010000, 0x01010001,
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0x01010002, 0x01010004, 0x7f010001
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};
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static const uint32_t singlePackageAttributes[] = {
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0x7f010007, 0x7f01000a, 0x7f01000d, 0x00000000
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};
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TEST(AttributeFinderTest, IteratesSequentially) {
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const int end = sizeof(sortedAttributes) / sizeof(*sortedAttributes);
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MockAttributeFinder finder(sortedAttributes, end);
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EXPECT_EQ(0, finder.find(0x01010000));
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EXPECT_EQ(1, finder.find(0x01010001));
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EXPECT_EQ(2, finder.find(0x01010002));
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EXPECT_EQ(3, finder.find(0x01010004));
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EXPECT_EQ(4, finder.find(0x02010001));
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EXPECT_EQ(5, finder.find(0x02010010));
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EXPECT_EQ(6, finder.find(0x7f010001));
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EXPECT_EQ(end, finder.find(0x7f010002));
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}
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TEST(AttributeFinderTest, PackagesAreOutOfOrder) {
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const int end = sizeof(sortedAttributes) / sizeof(*sortedAttributes);
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MockAttributeFinder finder(sortedAttributes, end);
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EXPECT_EQ(6, finder.find(0x7f010001));
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EXPECT_EQ(end, finder.find(0x7f010002));
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EXPECT_EQ(4, finder.find(0x02010001));
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EXPECT_EQ(5, finder.find(0x02010010));
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EXPECT_EQ(0, finder.find(0x01010000));
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EXPECT_EQ(1, finder.find(0x01010001));
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EXPECT_EQ(2, finder.find(0x01010002));
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EXPECT_EQ(3, finder.find(0x01010004));
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}
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TEST(AttributeFinderTest, SomeAttributesAreNotFound) {
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const int end = sizeof(sortedAttributes) / sizeof(*sortedAttributes);
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MockAttributeFinder finder(sortedAttributes, end);
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EXPECT_EQ(0, finder.find(0x01010000));
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EXPECT_EQ(1, finder.find(0x01010001));
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EXPECT_EQ(2, finder.find(0x01010002));
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EXPECT_EQ(end, finder.find(0x01010003));
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EXPECT_EQ(3, finder.find(0x01010004));
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EXPECT_EQ(end, finder.find(0x01010005));
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EXPECT_EQ(end, finder.find(0x01010006));
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EXPECT_EQ(4, finder.find(0x02010001));
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EXPECT_EQ(end, finder.find(0x02010002));
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}
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TEST(AttributeFinderTest, FindAttributesInPackageUnsortedAttributeList) {
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const int end = sizeof(packageUnsortedAttributes) / sizeof(*packageUnsortedAttributes);
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MockAttributeFinder finder(packageUnsortedAttributes, end);
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EXPECT_EQ(2, finder.find(0x01010000));
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EXPECT_EQ(3, finder.find(0x01010001));
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EXPECT_EQ(4, finder.find(0x01010002));
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EXPECT_EQ(end, finder.find(0x01010003));
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EXPECT_EQ(5, finder.find(0x01010004));
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EXPECT_EQ(end, finder.find(0x01010005));
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EXPECT_EQ(end, finder.find(0x01010006));
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EXPECT_EQ(0, finder.find(0x02010001));
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EXPECT_EQ(end, finder.find(0x02010002));
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EXPECT_EQ(1, finder.find(0x02010010));
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EXPECT_EQ(6, finder.find(0x7f010001));
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}
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TEST(AttributeFinderTest, FindAttributesInSinglePackageAttributeList) {
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const int end = sizeof(singlePackageAttributes) / sizeof(*singlePackageAttributes);
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MockAttributeFinder finder(singlePackageAttributes, end);
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EXPECT_EQ(end, finder.find(0x010100f4));
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EXPECT_EQ(end, finder.find(0x010100f5));
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EXPECT_EQ(end, finder.find(0x010100f6));
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EXPECT_EQ(end, finder.find(0x010100f7));
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EXPECT_EQ(end, finder.find(0x010100f8));
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EXPECT_EQ(end, finder.find(0x010100fa));
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EXPECT_EQ(0, finder.find(0x7f010007));
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}
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