112 lines
4 KiB
C++
112 lines
4 KiB
C++
/*
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* Copyright (C) 2017 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 <signal.h>
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#include <sys/types.h>
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#include <vector>
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#include <gtest/gtest.h>
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#include "updater/rangeset.h"
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TEST(RangeSetTest, Parse_smoke) {
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RangeSet rs = RangeSet::Parse("2,1,10");
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ASSERT_EQ(static_cast<size_t>(1), rs.size());
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ASSERT_EQ((Range{ 1, 10 }), rs[0]);
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ASSERT_EQ(static_cast<size_t>(9), rs.blocks());
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RangeSet rs2 = RangeSet::Parse("4,15,20,1,10");
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ASSERT_EQ(static_cast<size_t>(2), rs2.size());
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ASSERT_EQ((Range{ 15, 20 }), rs2[0]);
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ASSERT_EQ((Range{ 1, 10 }), rs2[1]);
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ASSERT_EQ(static_cast<size_t>(14), rs2.blocks());
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// Leading zeros are fine. But android::base::ParseUint() doesn't like trailing zeros like "10 ".
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ASSERT_EQ(rs, RangeSet::Parse(" 2, 1, 10"));
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ASSERT_EXIT(RangeSet::Parse("2,1,10 "), ::testing::KilledBySignal(SIGABRT), "");
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}
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TEST(RangeSetTest, Parse_InvalidCases) {
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// Insufficient number of tokens.
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ASSERT_EXIT(RangeSet::Parse(""), ::testing::KilledBySignal(SIGABRT), "");
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ASSERT_EXIT(RangeSet::Parse("2,1"), ::testing::KilledBySignal(SIGABRT), "");
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// The first token (i.e. the number of following tokens) is invalid.
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ASSERT_EXIT(RangeSet::Parse("a,1,1"), ::testing::KilledBySignal(SIGABRT), "");
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ASSERT_EXIT(RangeSet::Parse("3,1,1"), ::testing::KilledBySignal(SIGABRT), "");
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ASSERT_EXIT(RangeSet::Parse("-3,1,1"), ::testing::KilledBySignal(SIGABRT), "");
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ASSERT_EXIT(RangeSet::Parse("2,1,2,3"), ::testing::KilledBySignal(SIGABRT), "");
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// Invalid tokens.
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ASSERT_EXIT(RangeSet::Parse("2,1,10a"), ::testing::KilledBySignal(SIGABRT), "");
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ASSERT_EXIT(RangeSet::Parse("2,,10"), ::testing::KilledBySignal(SIGABRT), "");
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// Empty or negative range.
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ASSERT_EXIT(RangeSet::Parse("2,2,2"), ::testing::KilledBySignal(SIGABRT), "");
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ASSERT_EXIT(RangeSet::Parse("2,2,1"), ::testing::KilledBySignal(SIGABRT), "");
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}
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TEST(RangeSetTest, Overlaps) {
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RangeSet r1 = RangeSet::Parse("2,1,6");
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RangeSet r2 = RangeSet::Parse("2,5,10");
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ASSERT_TRUE(r1.Overlaps(r2));
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ASSERT_TRUE(r2.Overlaps(r1));
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r2 = RangeSet::Parse("2,6,10");
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ASSERT_FALSE(r1.Overlaps(r2));
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ASSERT_FALSE(r2.Overlaps(r1));
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ASSERT_FALSE(RangeSet::Parse("2,3,5").Overlaps(RangeSet::Parse("2,5,7")));
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ASSERT_FALSE(RangeSet::Parse("2,5,7").Overlaps(RangeSet::Parse("2,3,5")));
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}
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TEST(RangeSetTest, GetBlockNumber) {
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RangeSet rs = RangeSet::Parse("2,1,10");
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ASSERT_EQ(static_cast<size_t>(1), rs.GetBlockNumber(0));
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ASSERT_EQ(static_cast<size_t>(6), rs.GetBlockNumber(5));
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ASSERT_EQ(static_cast<size_t>(9), rs.GetBlockNumber(8));
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// Out of bound.
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ASSERT_EXIT(rs.GetBlockNumber(9), ::testing::KilledBySignal(SIGABRT), "");
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}
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TEST(RangeSetTest, equality) {
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ASSERT_EQ(RangeSet::Parse("2,1,6"), RangeSet::Parse("2,1,6"));
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ASSERT_NE(RangeSet::Parse("2,1,6"), RangeSet::Parse("2,1,7"));
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ASSERT_NE(RangeSet::Parse("2,1,6"), RangeSet::Parse("2,2,7"));
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// The orders of Range's matter. "4,1,5,8,10" != "4,8,10,1,5".
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ASSERT_NE(RangeSet::Parse("4,1,5,8,10"), RangeSet::Parse("4,8,10,1,5"));
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}
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TEST(RangeSetTest, iterators) {
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RangeSet rs = RangeSet::Parse("4,1,5,8,10");
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std::vector<Range> ranges;
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for (const auto& range : rs) {
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ranges.push_back(range);
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}
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ASSERT_EQ((std::vector<Range>{ Range{ 1, 5 }, Range{ 8, 10 } }), ranges);
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ranges.clear();
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// Reverse iterators.
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for (auto it = rs.crbegin(); it != rs.crend(); it++) {
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ranges.push_back(*it);
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}
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ASSERT_EQ((std::vector<Range>{ Range{ 8, 10 }, Range{ 1, 5 } }), ranges);
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}
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