1 //===-- RangeTest.cpp ----------------------------------------*- C++ -*-===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 #include "lldb/Utility/RangeMap.h" 10 #include "gmock/gmock.h" 11 #include "gtest/gtest.h" 12 13 using namespace lldb_private; 14 15 using RangeDataVectorT = RangeDataVector<uint32_t, uint32_t, uint32_t>; 16 using EntryT = RangeDataVectorT::Entry; 17 18 static testing::Matcher<const EntryT *> EntryIs(uint32_t ID) { 19 return testing::Pointee(testing::Field(&EntryT::data, ID)); 20 } 21 22 TEST(RangeDataVector, FindEntryThatContains) { 23 RangeDataVectorT Map; 24 uint32_t NextID = 0; 25 Map.Append(EntryT(0, 10, NextID++)); 26 Map.Append(EntryT(10, 10, NextID++)); 27 Map.Append(EntryT(20, 10, NextID++)); 28 Map.Sort(); 29 30 EXPECT_THAT(Map.FindEntryThatContains(0), EntryIs(0)); 31 EXPECT_THAT(Map.FindEntryThatContains(9), EntryIs(0)); 32 EXPECT_THAT(Map.FindEntryThatContains(10), EntryIs(1)); 33 EXPECT_THAT(Map.FindEntryThatContains(19), EntryIs(1)); 34 EXPECT_THAT(Map.FindEntryThatContains(20), EntryIs(2)); 35 EXPECT_THAT(Map.FindEntryThatContains(29), EntryIs(2)); 36 EXPECT_THAT(Map.FindEntryThatContains(30), nullptr); 37 } 38 39 TEST(RangeDataVector, FindEntryThatContains_Overlap) { 40 RangeDataVectorT Map; 41 uint32_t NextID = 0; 42 Map.Append(EntryT(0, 40, NextID++)); 43 Map.Append(EntryT(10, 20, NextID++)); 44 Map.Append(EntryT(20, 10, NextID++)); 45 Map.Sort(); 46 47 // With overlapping intervals, the intention seems to be to return the first 48 // interval which contains the address. 49 EXPECT_THAT(Map.FindEntryThatContains(25), EntryIs(0)); 50 51 // However, this does not always succeed. 52 // TODO: This should probably return the range (0, 40) as well. 53 EXPECT_THAT(Map.FindEntryThatContains(35), nullptr); 54 } 55