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