121 lines
2.4 KiB
C++
121 lines
2.4 KiB
C++
// Copyright 2018 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 expresso 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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#include "android/base/ContiguousRangeMapper.h"
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#include <gtest/gtest.h>
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#include <vector>
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using android::base::ContiguousRangeMapper;
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namespace android {
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namespace base {
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TEST(ContiguousRangeMapper, Basic) {
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std::vector<uintptr_t> elements = {
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1, 2, 3, 5, 6, 7,
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};
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int numTotalRanges = 0;
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ContiguousRangeMapper rm(
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[&numTotalRanges](uintptr_t start, uintptr_t size) {
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++numTotalRanges;
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});
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EXPECT_EQ(0, numTotalRanges);
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rm.finish();
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EXPECT_EQ(0, numTotalRanges);
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for (auto elt : elements) {
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rm.add(elt, 1);
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}
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EXPECT_EQ(1, numTotalRanges);
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rm.finish();
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EXPECT_EQ(2, numTotalRanges);
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rm.finish();
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EXPECT_EQ(2, numTotalRanges);
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}
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TEST(ContiguousRangeMapper, Pages) {
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std::vector<uintptr_t> elements = {
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0x1000,
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0x2000,
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0x3000,
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0x5000,
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0x6000,
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0x7000,
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0xa000,
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0xc000,
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};
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int numTotalRanges = 0;
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ContiguousRangeMapper rm(
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[&numTotalRanges](uintptr_t start, uintptr_t size) {
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++numTotalRanges;
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});
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for (auto elt : elements) {
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rm.add(elt, 0x1000);
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}
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rm.finish();
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EXPECT_EQ(4, numTotalRanges);
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}
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TEST(ContiguousRangeMapper, PagesBatched) {
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std::vector<uintptr_t> elements = {
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0x1000,
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0x2000,
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0x3000,
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0x5000,
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0x6000,
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0x7000,
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0xa000,
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0xc000,
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};
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int numTotalRanges = 0;
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ContiguousRangeMapper rm(
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[&numTotalRanges](uintptr_t start, uintptr_t size) {
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++numTotalRanges;
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}, 0x2000); // 2 page batch
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for (auto elt : elements) {
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rm.add(elt, 0x1000);
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}
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rm.finish();
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EXPECT_EQ(6, numTotalRanges);
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}
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} // namespace base
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} // namespace android
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