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118 lines
2.3 KiB
118 lines
2.3 KiB
// Copyright 2018 The Android Open Source Project
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//
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// This software is licensed under the terms of the GNU General Public
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// License version 2, as published by the Free Software Foundation, and
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// may be copied, distributed, and modified under those terms.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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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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