forked from OSchip/llvm-project
331 lines
8.8 KiB
C++
331 lines
8.8 KiB
C++
//===-- RangeTest.cpp ----------------------------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "lldb/Core/RangeMap.h"
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#include <cstdint>
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#include <type_traits>
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#include "gtest/gtest.h"
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using namespace lldb;
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using namespace lldb_private;
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TEST(RangeTest, SizeTypes) {
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Range<lldb::addr_t, uint32_t> r;
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static_assert(std::is_same<lldb::addr_t, decltype(r.GetRangeBase())>::value,
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"RangeBase type is not equal to the given one.");
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static_assert(std::is_same<lldb::addr_t, decltype(r.GetRangeEnd())>::value,
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"RangeEnd type is not equal to the given one.");
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static_assert(std::is_same<uint32_t, decltype(r.GetByteSize())>::value,
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"Size type is not equal to the given one.");
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}
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typedef Range<lldb::addr_t, uint32_t> RangeT;
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TEST(RangeTest, DefaultConstructor) {
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RangeT r;
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EXPECT_FALSE(r.IsValid());
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EXPECT_EQ(0U, r.GetByteSize());
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EXPECT_EQ(0U, r.GetRangeBase());
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EXPECT_EQ(0U, r.GetRangeEnd());
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}
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TEST(RangeTest, Constructor) {
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RangeT r(3, 5);
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EXPECT_TRUE(r.IsValid());
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EXPECT_EQ(5U, r.GetByteSize());
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EXPECT_EQ(3U, r.GetRangeBase());
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EXPECT_EQ(8U, r.GetRangeEnd());
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}
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TEST(RangeTest, Copy) {
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RangeT orig(3, 5);
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RangeT r = orig;
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EXPECT_TRUE(r.IsValid());
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EXPECT_EQ(5U, r.GetByteSize());
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EXPECT_EQ(3U, r.GetRangeBase());
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EXPECT_EQ(8U, r.GetRangeEnd());
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}
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TEST(RangeTest, Clear) {
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RangeT r(3, 5);
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r.Clear();
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EXPECT_TRUE(r == RangeT());
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}
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TEST(RangeTest, ClearWithStarAddress) {
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RangeT r(3, 5);
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r.Clear(4);
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EXPECT_TRUE(r == RangeT(4, 0));
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}
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TEST(RangeTest, SetRangeBase) {
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RangeT r(3, 5);
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r.SetRangeBase(6);
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EXPECT_EQ(6U, r.GetRangeBase());
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EXPECT_EQ(11U, r.GetRangeEnd());
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EXPECT_EQ(5U, r.GetByteSize());
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}
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TEST(RangeTest, Slide) {
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RangeT r(3, 5);
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r.Slide(1);
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EXPECT_EQ(4U, r.GetRangeBase());
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EXPECT_EQ(9U, r.GetRangeEnd());
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EXPECT_EQ(5U, r.GetByteSize());
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r.Slide(2);
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EXPECT_EQ(6U, r.GetRangeBase());
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EXPECT_EQ(11U, r.GetRangeEnd());
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EXPECT_EQ(5U, r.GetByteSize());
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}
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TEST(RangeTest, SlideZero) {
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RangeT r(3, 5);
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r.Slide(0);
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EXPECT_EQ(3U, r.GetRangeBase());
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EXPECT_EQ(8U, r.GetRangeEnd());
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EXPECT_EQ(5U, r.GetByteSize());
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}
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TEST(RangeTest, ContainsAddr) {
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RangeT r(3, 5);
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EXPECT_FALSE(r.Contains(0));
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EXPECT_FALSE(r.Contains(1));
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EXPECT_FALSE(r.Contains(2));
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EXPECT_TRUE(r.Contains(3));
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EXPECT_TRUE(r.Contains(4));
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EXPECT_TRUE(r.Contains(5));
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EXPECT_TRUE(r.Contains(6));
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EXPECT_TRUE(r.Contains(7));
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EXPECT_FALSE(r.Contains(8));
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EXPECT_FALSE(r.Contains(9));
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EXPECT_FALSE(r.Contains(10));
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}
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TEST(RangeTest, ContainsAddrInvalid) {
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RangeT r;
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EXPECT_FALSE(r.Contains(0));
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EXPECT_FALSE(r.Contains(1));
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EXPECT_FALSE(r.Contains(2));
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EXPECT_FALSE(r.Contains(3));
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EXPECT_FALSE(r.Contains(4));
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}
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TEST(RangeTest, ContainsEndInclusive) {
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RangeT r(3, 5);
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EXPECT_FALSE(r.ContainsEndInclusive(0));
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EXPECT_FALSE(r.ContainsEndInclusive(1));
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EXPECT_FALSE(r.ContainsEndInclusive(2));
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EXPECT_TRUE(r.ContainsEndInclusive(3));
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EXPECT_TRUE(r.ContainsEndInclusive(4));
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EXPECT_TRUE(r.ContainsEndInclusive(5));
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EXPECT_TRUE(r.ContainsEndInclusive(6));
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EXPECT_TRUE(r.ContainsEndInclusive(7));
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EXPECT_TRUE(r.ContainsEndInclusive(8));
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EXPECT_FALSE(r.ContainsEndInclusive(9));
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EXPECT_FALSE(r.ContainsEndInclusive(10));
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}
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TEST(RangeTest, ContainsEndInclusiveInvalid) {
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RangeT r;
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// FIXME: This is probably not intended.
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EXPECT_TRUE(r.ContainsEndInclusive(0));
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EXPECT_FALSE(r.ContainsEndInclusive(1));
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EXPECT_FALSE(r.ContainsEndInclusive(2));
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}
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TEST(RangeTest, ContainsRange) {
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RangeT r(3, 5);
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// Range always contains itself.
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EXPECT_TRUE(r.Contains(r));
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// Invalid range.
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EXPECT_FALSE(r.Contains(RangeT()));
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// Range starts and ends before.
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EXPECT_FALSE(r.Contains(RangeT(0, 3)));
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// Range starts before but contains beginning.
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EXPECT_FALSE(r.Contains(RangeT(0, 4)));
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// Range starts before but contains beginning and more.
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EXPECT_FALSE(r.Contains(RangeT(0, 5)));
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// Range starts before and contains the other.
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EXPECT_FALSE(r.Contains(RangeT(0, 9)));
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// Range is fully inside.
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EXPECT_TRUE(r.Contains(RangeT(4, 3)));
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// Range has same start, but not as large.
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EXPECT_TRUE(r.Contains(RangeT(3, 4)));
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// Range has same end, but starts earlier.
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EXPECT_TRUE(r.Contains(RangeT(4, 4)));
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// Range starts inside, but stops after the end of r.
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EXPECT_FALSE(r.Contains(RangeT(4, 5)));
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// Range starts directly after r.
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EXPECT_FALSE(r.Contains(RangeT(8, 2)));
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// Range starts directly after r.
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EXPECT_FALSE(r.Contains(RangeT(9, 2)));
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// Invalid range with different start.
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// FIXME: The first two probably not intended.
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EXPECT_TRUE(r.Contains(RangeT(3, 0)));
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EXPECT_TRUE(r.Contains(RangeT(4, 0)));
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EXPECT_FALSE(r.Contains(RangeT(8, 0)));
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}
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TEST(RangeTest, ContainsRangeStartingFromZero) {
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RangeT r(0, 3);
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EXPECT_TRUE(r.Contains(r));
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// FIXME: This is probably not intended.
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EXPECT_TRUE(r.Contains(RangeT()));
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}
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TEST(RangeTest, Union) {
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RangeT r(3, 5);
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// Ranges that we can't merge because it's not adjoin/intersecting.
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EXPECT_FALSE(r.Union(RangeT(9, 1)));
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// Check that we didn't modify our range.
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EXPECT_EQ(r, RangeT(3, 5));
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// Another range we can't merge, but before r.
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EXPECT_FALSE(r.Union(RangeT(1, 1)));
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EXPECT_EQ(r, RangeT(3, 5));
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// Merge an adjoin range after.
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EXPECT_TRUE(r.Union(RangeT(8, 2)));
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EXPECT_EQ(r, RangeT(3, 7));
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// Merge an adjoin range before.
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EXPECT_TRUE(r.Union(RangeT(1, 2)));
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EXPECT_EQ(r, RangeT(1, 9));
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// Merge an intersecting range after.
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EXPECT_TRUE(r.Union(RangeT(8, 3)));
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EXPECT_EQ(r, RangeT(1, 10));
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// Merge an intersecting range before.
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EXPECT_TRUE(r.Union(RangeT(0, 1)));
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EXPECT_EQ(r, RangeT(0, 11));
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// Merge a few ranges inside that shouldn't do anything.
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EXPECT_TRUE(r.Union(RangeT(0, 3)));
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EXPECT_EQ(r, RangeT(0, 11));
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EXPECT_TRUE(r.Union(RangeT(5, 1)));
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EXPECT_EQ(r, RangeT(0, 11));
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EXPECT_TRUE(r.Union(RangeT(9, 2)));
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EXPECT_EQ(r, RangeT(0, 11));
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}
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TEST(RangeTest, DoesAdjoinOrIntersect) {
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RangeT r(3, 4);
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EXPECT_FALSE(r.DoesAdjoinOrIntersect(RangeT(1, 1)));
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EXPECT_TRUE(r.DoesAdjoinOrIntersect(RangeT(1, 2)));
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EXPECT_TRUE(r.DoesAdjoinOrIntersect(RangeT(2, 2)));
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EXPECT_TRUE(r.DoesAdjoinOrIntersect(RangeT(4, 2)));
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EXPECT_TRUE(r.DoesAdjoinOrIntersect(RangeT(6, 2)));
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EXPECT_TRUE(r.DoesAdjoinOrIntersect(RangeT(7, 2)));
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EXPECT_FALSE(r.DoesAdjoinOrIntersect(RangeT(8, 2)));
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}
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TEST(RangeTest, DoesIntersect) {
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RangeT r(3, 4);
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EXPECT_FALSE(r.DoesIntersect(RangeT(1, 1)));
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EXPECT_FALSE(r.DoesIntersect(RangeT(1, 2)));
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EXPECT_TRUE(r.DoesIntersect(RangeT(2, 2)));
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EXPECT_TRUE(r.DoesIntersect(RangeT(4, 2)));
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EXPECT_TRUE(r.DoesIntersect(RangeT(6, 2)));
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EXPECT_FALSE(r.DoesIntersect(RangeT(7, 2)));
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EXPECT_FALSE(r.DoesIntersect(RangeT(8, 2)));
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}
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TEST(RangeTest, LessThan) {
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RangeT r(10, 20);
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// Equal range.
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EXPECT_FALSE(r < RangeT(10, 20));
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EXPECT_FALSE(RangeT(10, 20) < r);
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auto expect_ordered_less_than = [](RangeT r1, RangeT r2) {
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EXPECT_TRUE(r1 < r2);
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EXPECT_FALSE(r2 < r1);
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};
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// Same start, but bigger size.
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expect_ordered_less_than(r, RangeT(10, 21));
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// Start before and ends before.
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expect_ordered_less_than(RangeT(9, 20), r);
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// Start before and equal size.
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expect_ordered_less_than(RangeT(9, 21), r);
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// Start before and bigger size.
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expect_ordered_less_than(RangeT(9, 22), r);
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// Start after and ends before.
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expect_ordered_less_than(r, RangeT(11, 18));
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// Start after and equal size.
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expect_ordered_less_than(r, RangeT(11, 19));
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// Start after and bigger size.
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expect_ordered_less_than(r, RangeT(11, 20));
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}
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TEST(RangeTest, Equal) {
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RangeT r(10, 20);
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// Equal range.
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EXPECT_TRUE(r == RangeT(10, 20));
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// Same start, different size.
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EXPECT_FALSE(r == RangeT(10, 21));
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// Different start, same size.
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EXPECT_FALSE(r == RangeT(9, 20));
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// Different start, different size.
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EXPECT_FALSE(r == RangeT(9, 21));
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EXPECT_FALSE(r == RangeT(11, 19));
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}
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TEST(RangeTest, NotEqual) {
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RangeT r(10, 20);
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EXPECT_FALSE(r != RangeT(10, 20));
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EXPECT_TRUE(r != RangeT(10, 21));
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EXPECT_TRUE(r != RangeT(9, 20));
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EXPECT_TRUE(r != RangeT(9, 21));
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}
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// Comparison tests for invalid ranges (size == 0).
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TEST(RangeTest, LessThanInvalid) {
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EXPECT_TRUE(RangeT() < RangeT(1, 0));
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EXPECT_TRUE(RangeT() < RangeT(2, 0));
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EXPECT_TRUE(RangeT(1, 0) < RangeT(2, 0));
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}
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TEST(RangeTest, EqualInvalid) {
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RangeT r;
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EXPECT_TRUE(r == RangeT());
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// Another invalid range, but with a different start.
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EXPECT_FALSE(r == RangeT(3, 0));
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}
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TEST(RangeTest, NotEqualInvalid) {
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RangeT r;
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EXPECT_FALSE(r != RangeT());
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EXPECT_FALSE(r == RangeT(3, 0));
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}
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