forked from OSchip/llvm-project
55 lines
1.9 KiB
C++
55 lines
1.9 KiB
C++
//===-- RangeTest.cpp ----------------------------------------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "lldb/Utility/RangeMap.h"
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#include "gmock/gmock.h"
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#include "gtest/gtest.h"
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using namespace lldb_private;
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using RangeDataVectorT = RangeDataVector<uint32_t, uint32_t, uint32_t>;
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using EntryT = RangeDataVectorT::Entry;
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static testing::Matcher<const EntryT *> EntryIs(uint32_t ID) {
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return testing::Pointee(testing::Field(&EntryT::data, ID));
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}
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TEST(RangeDataVector, FindEntryThatContains) {
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RangeDataVectorT Map;
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uint32_t NextID = 0;
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Map.Append(EntryT(0, 10, NextID++));
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Map.Append(EntryT(10, 10, NextID++));
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Map.Append(EntryT(20, 10, NextID++));
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Map.Sort();
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EXPECT_THAT(Map.FindEntryThatContains(0), EntryIs(0));
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EXPECT_THAT(Map.FindEntryThatContains(9), EntryIs(0));
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EXPECT_THAT(Map.FindEntryThatContains(10), EntryIs(1));
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EXPECT_THAT(Map.FindEntryThatContains(19), EntryIs(1));
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EXPECT_THAT(Map.FindEntryThatContains(20), EntryIs(2));
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EXPECT_THAT(Map.FindEntryThatContains(29), EntryIs(2));
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EXPECT_THAT(Map.FindEntryThatContains(30), nullptr);
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}
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TEST(RangeDataVector, FindEntryThatContains_Overlap) {
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RangeDataVectorT Map;
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uint32_t NextID = 0;
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Map.Append(EntryT(0, 40, NextID++));
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Map.Append(EntryT(10, 20, NextID++));
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Map.Append(EntryT(20, 10, NextID++));
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Map.Sort();
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// With overlapping intervals, the intention seems to be to return the first
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// interval which contains the address.
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EXPECT_THAT(Map.FindEntryThatContains(25), EntryIs(0));
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// However, this does not always succeed.
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// TODO: This should probably return the range (0, 40) as well.
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EXPECT_THAT(Map.FindEntryThatContains(35), nullptr);
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}
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