562 lines
18 KiB
C++
562 lines
18 KiB
C++
//=== CoalescingBitVectorTest.cpp - CoalescingBitVector unit tests --------===//
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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 "llvm/ADT/CoalescingBitVector.h"
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#include "gtest/gtest.h"
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using namespace llvm;
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namespace {
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using UBitVec = CoalescingBitVector<unsigned>;
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using U64BitVec = CoalescingBitVector<uint64_t>;
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bool elementsMatch(const UBitVec &BV, std::initializer_list<unsigned> List) {
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if (!std::equal(BV.begin(), BV.end(), List.begin(), List.end())) {
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UBitVec::Allocator Alloc;
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UBitVec Expected(Alloc);
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Expected.set(List);
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dbgs() << "elementsMatch:\n"
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<< " Expected: ";
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Expected.print(dbgs());
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dbgs() << " Got: ";
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BV.print(dbgs());
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return false;
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}
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return true;
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}
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bool rangesMatch(iterator_range<UBitVec::const_iterator> R,
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std::initializer_list<unsigned> List) {
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return std::equal(R.begin(), R.end(), List.begin(), List.end());
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}
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TEST(CoalescingBitVectorTest, Set) {
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UBitVec::Allocator Alloc;
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UBitVec BV1(Alloc);
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UBitVec BV2(Alloc);
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BV1.set(0);
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EXPECT_TRUE(BV1.test(0));
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EXPECT_FALSE(BV1.test(1));
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BV2.set(BV1);
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EXPECT_TRUE(BV2.test(0));
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}
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TEST(CoalescingBitVectorTest, Count) {
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UBitVec::Allocator Alloc;
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UBitVec BV(Alloc);
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EXPECT_EQ(BV.count(), 0u);
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BV.set(0);
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EXPECT_EQ(BV.count(), 1u);
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BV.set({11, 12, 13, 14, 15});
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EXPECT_EQ(BV.count(), 6u);
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}
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TEST(CoalescingBitVectorTest, ClearAndEmpty) {
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UBitVec::Allocator Alloc;
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UBitVec BV(Alloc);
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EXPECT_TRUE(BV.empty());
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BV.set(1);
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EXPECT_FALSE(BV.empty());
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BV.clear();
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EXPECT_TRUE(BV.empty());
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}
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TEST(CoalescingBitVector, Copy) {
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UBitVec::Allocator Alloc;
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UBitVec BV1(Alloc);
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BV1.set(0);
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UBitVec BV2 = BV1;
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EXPECT_TRUE(elementsMatch(BV1, {0}));
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EXPECT_TRUE(elementsMatch(BV2, {0}));
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BV2.set(5);
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BV2 = BV1;
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EXPECT_TRUE(elementsMatch(BV1, {0}));
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EXPECT_TRUE(elementsMatch(BV2, {0}));
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}
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TEST(CoalescingBitVectorTest, Iterators) {
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UBitVec::Allocator Alloc;
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UBitVec BV(Alloc);
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BV.set({0, 1, 2});
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auto It = BV.begin();
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EXPECT_TRUE(It == BV.begin());
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EXPECT_EQ(*It, 0u);
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++It;
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EXPECT_EQ(*It, 1u);
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++It;
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EXPECT_EQ(*It, 2u);
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++It;
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EXPECT_TRUE(It == BV.end());
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EXPECT_TRUE(BV.end() == BV.end());
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It = BV.begin();
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EXPECT_TRUE(It == BV.begin());
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auto ItCopy = It++;
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EXPECT_TRUE(ItCopy == BV.begin());
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EXPECT_EQ(*ItCopy, 0u);
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EXPECT_EQ(*It, 1u);
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EXPECT_TRUE(elementsMatch(BV, {0, 1, 2}));
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BV.set({4, 5, 6});
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EXPECT_TRUE(elementsMatch(BV, {0, 1, 2, 4, 5, 6}));
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BV.set(3);
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EXPECT_TRUE(elementsMatch(BV, {0, 1, 2, 3, 4, 5, 6}));
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BV.set(10);
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EXPECT_TRUE(elementsMatch(BV, {0, 1, 2, 3, 4, 5, 6, 10}));
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// Should be able to reset unset bits.
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BV.reset(3);
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BV.reset(3);
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BV.reset(20000);
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BV.set({1000, 1001, 1002});
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EXPECT_TRUE(elementsMatch(BV, {0, 1, 2, 4, 5, 6, 10, 1000, 1001, 1002}));
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auto It1 = BV.begin();
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EXPECT_TRUE(It1 == BV.begin());
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EXPECT_TRUE(++It1 == ++BV.begin());
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EXPECT_TRUE(It1 != BV.begin());
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EXPECT_TRUE(It1 != BV.end());
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}
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TEST(CoalescingBitVectorTest, Reset) {
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UBitVec::Allocator Alloc;
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UBitVec BV(Alloc);
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BV.set(0);
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EXPECT_TRUE(BV.test(0));
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BV.reset(0);
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EXPECT_FALSE(BV.test(0));
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BV.clear();
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BV.set({1, 2, 3});
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BV.reset(1);
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EXPECT_TRUE(elementsMatch(BV, {2, 3}));
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BV.clear();
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BV.set({1, 2, 3});
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BV.reset(2);
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EXPECT_TRUE(elementsMatch(BV, {1, 3}));
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BV.clear();
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BV.set({1, 2, 3});
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BV.reset(3);
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EXPECT_TRUE(elementsMatch(BV, {1, 2}));
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}
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TEST(CoalescingBitVectorTest, Comparison) {
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UBitVec::Allocator Alloc;
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UBitVec BV1(Alloc);
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UBitVec BV2(Alloc);
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// Single interval.
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BV1.set({1, 2, 3});
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BV2.set({1, 2, 3});
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EXPECT_EQ(BV1, BV2);
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EXPECT_FALSE(BV1 != BV2);
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// Different number of intervals.
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BV1.clear();
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BV2.clear();
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BV1.set({1, 2, 3});
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EXPECT_NE(BV1, BV2);
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// Multiple intervals.
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BV1.clear();
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BV2.clear();
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BV1.set({1, 2, 11, 12});
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BV2.set({1, 2, 11, 12});
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EXPECT_EQ(BV1, BV2);
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BV2.reset(1);
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EXPECT_NE(BV1, BV2);
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BV2.set(1);
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BV2.reset(11);
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EXPECT_NE(BV1, BV2);
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}
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// A simple implementation of set union, used to double-check the human
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// "expected" answer.
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void simpleUnion(UBitVec &Union, const UBitVec &LHS,
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const UBitVec &RHS) {
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for (unsigned Bit : LHS)
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Union.test_and_set(Bit);
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for (unsigned Bit : RHS)
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Union.test_and_set(Bit);
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}
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TEST(CoalescingBitVectorTest, Union) {
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UBitVec::Allocator Alloc;
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// Check that after doing LHS |= RHS, LHS == Expected.
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auto unionIs = [&](std::initializer_list<unsigned> LHS,
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std::initializer_list<unsigned> RHS,
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std::initializer_list<unsigned> Expected) {
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UBitVec BV1(Alloc);
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BV1.set(LHS);
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UBitVec BV2(Alloc);
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BV2.set(RHS);
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UBitVec DoubleCheckedExpected(Alloc);
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simpleUnion(DoubleCheckedExpected, BV1, BV2);
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ASSERT_TRUE(elementsMatch(DoubleCheckedExpected, Expected));
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BV1 |= BV2;
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ASSERT_TRUE(elementsMatch(BV1, Expected));
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};
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// Check that "LHS |= RHS" and "RHS |= LHS" both produce the expected result.
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auto testUnionSymmetrically = [&](std::initializer_list<unsigned> LHS,
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std::initializer_list<unsigned> RHS,
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std::initializer_list<unsigned> Expected) {
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unionIs(LHS, RHS, Expected);
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unionIs(RHS, LHS, Expected);
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};
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// Empty LHS.
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testUnionSymmetrically({}, {1, 2, 3}, {1, 2, 3});
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// Empty RHS.
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testUnionSymmetrically({1, 2, 3}, {}, {1, 2, 3});
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// Full overlap.
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testUnionSymmetrically({1}, {1}, {1});
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testUnionSymmetrically({1, 2, 11, 12}, {1, 2, 11, 12}, {1, 2, 11, 12});
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// Sliding window: fix {2, 3, 4} as the LHS, and slide a window before/after
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// it. Repeat this swapping LHS and RHS.
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testUnionSymmetrically({2, 3, 4}, {1, 2, 3}, {1, 2, 3, 4});
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testUnionSymmetrically({2, 3, 4}, {2, 3, 4}, {2, 3, 4});
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testUnionSymmetrically({2, 3, 4}, {3, 4, 5}, {2, 3, 4, 5});
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testUnionSymmetrically({1, 2, 3}, {2, 3, 4}, {1, 2, 3, 4});
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testUnionSymmetrically({3, 4, 5}, {2, 3, 4}, {2, 3, 4, 5});
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// Multiple overlaps, but at least one of the overlaps forces us to split an
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// interval (and possibly both do). For ease of understanding, fix LHS to be
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// {1, 2, 11, 12}, but vary RHS.
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testUnionSymmetrically({1, 2, 11, 12}, {1}, {1, 2, 11, 12});
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testUnionSymmetrically({1, 2, 11, 12}, {2}, {1, 2, 11, 12});
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testUnionSymmetrically({1, 2, 11, 12}, {11}, {1, 2, 11, 12});
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testUnionSymmetrically({1, 2, 11, 12}, {12}, {1, 2, 11, 12});
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testUnionSymmetrically({1, 2, 11, 12}, {1, 11}, {1, 2, 11, 12});
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testUnionSymmetrically({1, 2, 11, 12}, {1, 12}, {1, 2, 11, 12});
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testUnionSymmetrically({1, 2, 11, 12}, {2, 11}, {1, 2, 11, 12});
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testUnionSymmetrically({1, 2, 11, 12}, {2, 12}, {1, 2, 11, 12});
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testUnionSymmetrically({1, 2, 11, 12}, {1, 2, 11}, {1, 2, 11, 12});
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testUnionSymmetrically({1, 2, 11, 12}, {1, 2, 12}, {1, 2, 11, 12});
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testUnionSymmetrically({1, 2, 11, 12}, {1, 11, 12}, {1, 2, 11, 12});
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testUnionSymmetrically({1, 2, 11, 12}, {2, 11, 12}, {1, 2, 11, 12});
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testUnionSymmetrically({1, 2, 11, 12}, {0, 11, 12}, {0, 1, 2, 11, 12});
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testUnionSymmetrically({1, 2, 11, 12}, {3, 11, 12}, {1, 2, 3, 11, 12});
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testUnionSymmetrically({1, 2, 11, 12}, {1, 11, 13}, {1, 2, 11, 12, 13});
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testUnionSymmetrically({1, 2, 11, 12}, {1, 10, 11}, {1, 2, 10, 11, 12});
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// Partial overlap, but the existing interval covers future overlaps.
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testUnionSymmetrically({1, 2, 3, 4, 5, 6, 7, 8}, {2, 3, 4, 6, 7},
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{1, 2, 3, 4, 5, 6, 7, 8});
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testUnionSymmetrically({1, 2, 3, 4, 5, 6, 7, 8}, {2, 3, 7, 8, 9},
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{1, 2, 3, 4, 5, 6, 7, 8, 9});
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// More partial overlaps.
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testUnionSymmetrically({1, 2, 3, 4, 5}, {0, 1, 2, 4, 5, 6},
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{0, 1, 2, 3, 4, 5, 6});
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testUnionSymmetrically({2, 3}, {1, 2, 3, 4}, {1, 2, 3, 4});
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testUnionSymmetrically({3, 4}, {1, 2, 3, 4}, {1, 2, 3, 4});
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testUnionSymmetrically({1, 2}, {1, 2, 3, 4}, {1, 2, 3, 4});
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testUnionSymmetrically({0, 1}, {1, 2, 3, 4}, {0, 1, 2, 3, 4});
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// Merge non-overlapping.
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testUnionSymmetrically({0, 1}, {2, 3}, {0, 1, 2, 3});
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testUnionSymmetrically({0, 3}, {1, 2}, {0, 1, 2, 3});
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}
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// A simple implementation of set intersection, used to double-check the
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// human "expected" answer.
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void simpleIntersection(UBitVec &Intersection, const UBitVec &LHS,
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const UBitVec &RHS) {
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for (unsigned Bit : LHS)
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if (RHS.test(Bit))
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Intersection.set(Bit);
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}
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TEST(CoalescingBitVectorTest, Intersection) {
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UBitVec::Allocator Alloc;
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// Check that after doing LHS &= RHS, LHS == Expected.
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auto intersectionIs = [&](std::initializer_list<unsigned> LHS,
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std::initializer_list<unsigned> RHS,
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std::initializer_list<unsigned> Expected) {
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UBitVec BV1(Alloc);
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BV1.set(LHS);
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UBitVec BV2(Alloc);
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BV2.set(RHS);
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UBitVec DoubleCheckedExpected(Alloc);
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simpleIntersection(DoubleCheckedExpected, BV1, BV2);
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ASSERT_TRUE(elementsMatch(DoubleCheckedExpected, Expected));
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BV1 &= BV2;
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ASSERT_TRUE(elementsMatch(BV1, Expected));
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};
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// Check that "LHS &= RHS" and "RHS &= LHS" both produce the expected result.
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auto testIntersectionSymmetrically = [&](std::initializer_list<unsigned> LHS,
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std::initializer_list<unsigned> RHS,
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std::initializer_list<unsigned> Expected) {
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intersectionIs(LHS, RHS, Expected);
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intersectionIs(RHS, LHS, Expected);
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};
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// Empty case, one-element case.
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testIntersectionSymmetrically({}, {}, {});
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testIntersectionSymmetrically({1}, {1}, {1});
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testIntersectionSymmetrically({1}, {2}, {});
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// Exact overlaps cases: single overlap and multiple overlaps.
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testIntersectionSymmetrically({1, 2}, {1, 2}, {1, 2});
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testIntersectionSymmetrically({1, 2, 11, 12}, {1, 2, 11, 12}, {1, 2, 11, 12});
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// Sliding window: fix {2, 3, 4} as the LHS, and slide a window before/after
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// it.
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testIntersectionSymmetrically({2, 3, 4}, {1, 2, 3}, {2, 3});
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testIntersectionSymmetrically({2, 3, 4}, {2, 3, 4}, {2, 3, 4});
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testIntersectionSymmetrically({2, 3, 4}, {3, 4, 5}, {3, 4});
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// No overlap, but we have multiple intervals.
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testIntersectionSymmetrically({1, 2, 11, 12}, {3, 4, 13, 14}, {});
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// Multiple overlaps, but at least one of the overlaps forces us to split an
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// interval (and possibly both do). For ease of understanding, fix LHS to be
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// {1, 2, 11, 12}, but vary RHS.
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testIntersectionSymmetrically({1, 2, 11, 12}, {1}, {1});
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testIntersectionSymmetrically({1, 2, 11, 12}, {2}, {2});
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testIntersectionSymmetrically({1, 2, 11, 12}, {11}, {11});
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testIntersectionSymmetrically({1, 2, 11, 12}, {12}, {12});
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testIntersectionSymmetrically({1, 2, 11, 12}, {1, 11}, {1, 11});
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testIntersectionSymmetrically({1, 2, 11, 12}, {1, 12}, {1, 12});
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testIntersectionSymmetrically({1, 2, 11, 12}, {2, 11}, {2, 11});
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testIntersectionSymmetrically({1, 2, 11, 12}, {2, 12}, {2, 12});
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testIntersectionSymmetrically({1, 2, 11, 12}, {1, 2, 11}, {1, 2, 11});
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testIntersectionSymmetrically({1, 2, 11, 12}, {1, 2, 12}, {1, 2, 12});
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testIntersectionSymmetrically({1, 2, 11, 12}, {1, 11, 12}, {1, 11, 12});
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testIntersectionSymmetrically({1, 2, 11, 12}, {2, 11, 12}, {2, 11, 12});
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testIntersectionSymmetrically({1, 2, 11, 12}, {0, 11, 12}, {11, 12});
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testIntersectionSymmetrically({1, 2, 11, 12}, {3, 11, 12}, {11, 12});
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testIntersectionSymmetrically({1, 2, 11, 12}, {1, 11, 13}, {1, 11});
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testIntersectionSymmetrically({1, 2, 11, 12}, {1, 10, 11}, {1, 11});
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// Partial overlap, but the existing interval covers future overlaps.
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testIntersectionSymmetrically({1, 2, 3, 4, 5, 6, 7, 8}, {2, 3, 4, 6, 7},
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{2, 3, 4, 6, 7});
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}
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// A simple implementation of set intersection-with-complement, used to
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// double-check the human "expected" answer.
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void simpleIntersectionWithComplement(UBitVec &Intersection, const UBitVec &LHS,
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const UBitVec &RHS) {
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for (unsigned Bit : LHS)
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if (!RHS.test(Bit))
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Intersection.set(Bit);
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}
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TEST(CoalescingBitVectorTest, IntersectWithComplement) {
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UBitVec::Allocator Alloc;
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// Check that after doing LHS.intersectWithComplement(RHS), LHS == Expected.
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auto intersectionWithComplementIs =
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[&](std::initializer_list<unsigned> LHS,
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std::initializer_list<unsigned> RHS,
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std::initializer_list<unsigned> Expected) {
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UBitVec BV1(Alloc);
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BV1.set(LHS);
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UBitVec BV2(Alloc);
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BV2.set(RHS);
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UBitVec DoubleCheckedExpected(Alloc);
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simpleIntersectionWithComplement(DoubleCheckedExpected, BV1, BV2);
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ASSERT_TRUE(elementsMatch(DoubleCheckedExpected, Expected));
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BV1.intersectWithComplement(BV2);
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ASSERT_TRUE(elementsMatch(BV1, Expected));
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};
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// Empty case, one-element case.
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intersectionWithComplementIs({}, {}, {});
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intersectionWithComplementIs({1}, {1}, {});
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intersectionWithComplementIs({1}, {2}, {1});
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// Exact overlaps cases: single overlap and multiple overlaps.
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intersectionWithComplementIs({1, 2}, {1, 2}, {});
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intersectionWithComplementIs({1, 2, 11, 12}, {1, 2, 11, 12}, {});
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// Sliding window: fix {2, 3, 4} as the LHS, and slide a window before/after
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// it. Repeat this swapping LHS and RHS.
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intersectionWithComplementIs({2, 3, 4}, {1, 2, 3}, {4});
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intersectionWithComplementIs({2, 3, 4}, {2, 3, 4}, {});
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intersectionWithComplementIs({2, 3, 4}, {3, 4, 5}, {2});
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intersectionWithComplementIs({1, 2, 3}, {2, 3, 4}, {1});
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intersectionWithComplementIs({3, 4, 5}, {2, 3, 4}, {5});
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// No overlap, but we have multiple intervals.
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intersectionWithComplementIs({1, 2, 11, 12}, {3, 4, 13, 14}, {1, 2, 11, 12});
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// Multiple overlaps. For ease of understanding, fix LHS to be
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// {1, 2, 11, 12}, but vary RHS.
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intersectionWithComplementIs({1, 2, 11, 12}, {1}, {2, 11, 12});
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intersectionWithComplementIs({1, 2, 11, 12}, {2}, {1, 11, 12});
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intersectionWithComplementIs({1, 2, 11, 12}, {11}, {1, 2, 12});
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intersectionWithComplementIs({1, 2, 11, 12}, {12}, {1, 2, 11});
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intersectionWithComplementIs({1, 2, 11, 12}, {1, 11}, {2, 12});
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intersectionWithComplementIs({1, 2, 11, 12}, {1, 12}, {2, 11});
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intersectionWithComplementIs({1, 2, 11, 12}, {2, 11}, {1, 12});
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intersectionWithComplementIs({1, 2, 11, 12}, {2, 12}, {1, 11});
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intersectionWithComplementIs({1, 2, 11, 12}, {1, 2, 11}, {12});
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intersectionWithComplementIs({1, 2, 11, 12}, {1, 2, 12}, {11});
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intersectionWithComplementIs({1, 2, 11, 12}, {1, 11, 12}, {2});
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intersectionWithComplementIs({1, 2, 11, 12}, {2, 11, 12}, {1});
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intersectionWithComplementIs({1, 2, 11, 12}, {0, 11, 12}, {1, 2});
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intersectionWithComplementIs({1, 2, 11, 12}, {3, 11, 12}, {1, 2});
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intersectionWithComplementIs({1, 2, 11, 12}, {1, 11, 13}, {2, 12});
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intersectionWithComplementIs({1, 2, 11, 12}, {1, 10, 11}, {2, 12});
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// Partial overlap, but the existing interval covers future overlaps.
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intersectionWithComplementIs({1, 2, 3, 4, 5, 6, 7, 8}, {2, 3, 4, 6, 7},
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{1, 5, 8});
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}
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TEST(CoalescingBitVectorTest, FindLowerBound) {
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U64BitVec::Allocator Alloc;
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U64BitVec BV(Alloc);
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uint64_t BigNum1 = uint64_t(1) << 32;
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uint64_t BigNum2 = (uint64_t(1) << 33) + 1;
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EXPECT_TRUE(BV.find(BigNum1) == BV.end());
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BV.set(BigNum1);
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auto Find1 = BV.find(BigNum1);
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EXPECT_EQ(*Find1, BigNum1);
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BV.set(BigNum2);
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auto Find2 = BV.find(BigNum1);
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EXPECT_EQ(*Find2, BigNum1);
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auto Find3 = BV.find(BigNum2);
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EXPECT_EQ(*Find3, BigNum2);
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BV.reset(BigNum1);
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auto Find4 = BV.find(BigNum1);
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EXPECT_EQ(*Find4, BigNum2);
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|
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BV.clear();
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BV.set({1, 2, 3});
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EXPECT_EQ(*BV.find(2), 2u);
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EXPECT_EQ(*BV.find(3), 3u);
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}
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|
|
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TEST(CoalescingBitVectorTest, AdvanceToLowerBound) {
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U64BitVec::Allocator Alloc;
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U64BitVec BV(Alloc);
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uint64_t BigNum1 = uint64_t(1) << 32;
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uint64_t BigNum2 = (uint64_t(1) << 33) + 1;
|
|
|
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auto advFromBegin = [&](uint64_t To) -> U64BitVec::const_iterator {
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auto It = BV.begin();
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It.advanceToLowerBound(To);
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return It;
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|
};
|
|
|
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EXPECT_TRUE(advFromBegin(BigNum1) == BV.end());
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|
BV.set(BigNum1);
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auto Find1 = advFromBegin(BigNum1);
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EXPECT_EQ(*Find1, BigNum1);
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|
BV.set(BigNum2);
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|
auto Find2 = advFromBegin(BigNum1);
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|
EXPECT_EQ(*Find2, BigNum1);
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|
auto Find3 = advFromBegin(BigNum2);
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|
EXPECT_EQ(*Find3, BigNum2);
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|
BV.reset(BigNum1);
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|
auto Find4 = advFromBegin(BigNum1);
|
|
EXPECT_EQ(*Find4, BigNum2);
|
|
|
|
BV.clear();
|
|
BV.set({1, 2, 3});
|
|
EXPECT_EQ(*advFromBegin(2), 2u);
|
|
EXPECT_EQ(*advFromBegin(3), 3u);
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|
auto It = BV.begin();
|
|
It.advanceToLowerBound(0);
|
|
EXPECT_EQ(*It, 1u);
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|
It.advanceToLowerBound(100);
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|
EXPECT_TRUE(It == BV.end());
|
|
It.advanceToLowerBound(100);
|
|
EXPECT_TRUE(It == BV.end());
|
|
}
|
|
|
|
TEST(CoalescingBitVectorTest, HalfOpenRange) {
|
|
UBitVec::Allocator Alloc;
|
|
|
|
{
|
|
UBitVec BV(Alloc);
|
|
BV.set({1, 2, 3});
|
|
|
|
EXPECT_EQ(*BV.find(0), 1U); // find(Start) > Start
|
|
EXPECT_TRUE(rangesMatch(BV.half_open_range(0, 5), {1, 2, 3}));
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|
EXPECT_TRUE(rangesMatch(BV.half_open_range(1, 4), {1, 2, 3}));
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|
EXPECT_TRUE(rangesMatch(BV.half_open_range(1, 3), {1, 2}));
|
|
EXPECT_TRUE(rangesMatch(BV.half_open_range(2, 3), {2}));
|
|
EXPECT_TRUE(rangesMatch(BV.half_open_range(2, 4), {2, 3}));
|
|
EXPECT_TRUE(rangesMatch(BV.half_open_range(4, 5), {}));
|
|
}
|
|
|
|
{
|
|
UBitVec BV(Alloc);
|
|
BV.set({1, 2, 11, 12});
|
|
|
|
EXPECT_TRUE(rangesMatch(BV.half_open_range(0, 15), {1, 2, 11, 12}));
|
|
EXPECT_TRUE(rangesMatch(BV.half_open_range(1, 13), {1, 2, 11, 12}));
|
|
EXPECT_TRUE(rangesMatch(BV.half_open_range(1, 12), {1, 2, 11}));
|
|
|
|
EXPECT_TRUE(rangesMatch(BV.half_open_range(0, 5), {1, 2}));
|
|
EXPECT_TRUE(rangesMatch(BV.half_open_range(1, 5), {1, 2}));
|
|
EXPECT_TRUE(rangesMatch(BV.half_open_range(2, 5), {2}));
|
|
EXPECT_TRUE(rangesMatch(BV.half_open_range(1, 2), {1}));
|
|
EXPECT_TRUE(rangesMatch(BV.half_open_range(13, 14), {}));
|
|
|
|
EXPECT_TRUE(rangesMatch(BV.half_open_range(2, 10), {2}));
|
|
}
|
|
|
|
{
|
|
UBitVec BV(Alloc);
|
|
BV.set({1});
|
|
|
|
EXPECT_EQ(*BV.find(0), 1U); // find(Start) == End
|
|
EXPECT_TRUE(rangesMatch(BV.half_open_range(0, 1), {}));
|
|
}
|
|
|
|
{
|
|
UBitVec BV(Alloc);
|
|
BV.set({5});
|
|
|
|
EXPECT_EQ(*BV.find(3), 5U); // find(Start) > End
|
|
EXPECT_TRUE(rangesMatch(BV.half_open_range(3, 4), {}));
|
|
}
|
|
}
|
|
|
|
TEST(CoalescingBitVectorTest, Print) {
|
|
std::string S;
|
|
{
|
|
raw_string_ostream OS(S);
|
|
UBitVec::Allocator Alloc;
|
|
UBitVec BV(Alloc);
|
|
BV.set({1});
|
|
BV.print(OS);
|
|
|
|
BV.clear();
|
|
BV.set({1, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20});
|
|
BV.print(OS);
|
|
}
|
|
EXPECT_EQ(S, "{[1]}"
|
|
"{[1][11, 20]}");
|
|
}
|
|
|
|
} // namespace
|