122 lines
4.1 KiB
C++
122 lines
4.1 KiB
C++
// Copyright 2010-2025 Google LLC
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "ortools/sat/container.h"
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#include "gtest/gtest.h"
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#include "ortools/base/gmock.h"
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#include "ortools/sat/sat_base.h"
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namespace operations_research {
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namespace sat {
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namespace {
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using testing::ElementsAre;
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using testing::SizeIs;
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using testing::UnorderedElementsAre;
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TEST(LiteralsOrOffsetsTest, Basic) {
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LiteralsOrOffsets container;
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container.PushBackLiteral(Literal(1));
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container.InsertOffset(2);
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container.PushBackLiteral(Literal(3));
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container.InsertOffset(4);
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container.PushBackLiteral(Literal(5));
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EXPECT_EQ(container.num_literals(), 3);
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EXPECT_EQ(container.num_offsets(), 2);
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EXPECT_THAT(container.literals(),
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ElementsAre(Literal(1), Literal(3), Literal(5)));
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EXPECT_THAT(container.offsets(), UnorderedElementsAre(2, 4));
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}
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TEST(LiteralsOrOffsetsTest, Holes) {
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LiteralsOrOffsets container;
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// LLLOO
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container.PushBackLiteral(Literal(11));
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container.PushBackLiteral(Literal(12));
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container.PushBackLiteral(Literal(13));
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container.InsertOffset(21);
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container.InsertOffset(22);
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EXPECT_THAT(container.literals(),
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ElementsAre(Literal(11), Literal(12), Literal(13)));
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EXPECT_THAT(container.offsets(), UnorderedElementsAre(21, 22));
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// LLLLOO
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container.PushBackLiteral(Literal());
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EXPECT_THAT(container.literals(),
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ElementsAre(Literal(11), Literal(12), Literal(13), Literal()));
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EXPECT_THAT(container.offsets(), UnorderedElementsAre(21, 22));
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// LL..OO
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container.RemoveLiteralsIf(
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[](Literal l) { return l == Literal(11) || l == Literal(13); });
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EXPECT_THAT(container.literals(), ElementsAre(Literal(12), Literal()));
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EXPECT_THAT(container.offsets(), UnorderedElementsAre(21, 22));
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// LLL.OO
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container.PushBackLiteral(Literal());
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EXPECT_THAT(container.literals(),
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ElementsAre(Literal(12), Literal(), Literal()));
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EXPECT_THAT(container.offsets(), UnorderedElementsAre(21, 22));
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// LLL.
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container.ClearOffsets();
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EXPECT_THAT(container.literals(),
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ElementsAre(Literal(12), Literal(), Literal()));
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EXPECT_THAT(container.offsets(), UnorderedElementsAre());
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// LLLL
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container.PushBackLiteral(Literal(14));
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EXPECT_THAT(container.literals(),
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ElementsAre(Literal(12), Literal(), Literal(), Literal(14)));
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EXPECT_THAT(container.offsets(), UnorderedElementsAre());
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// LLLL0
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container.InsertOffset(23);
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EXPECT_THAT(container.literals(),
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ElementsAre(Literal(12), Literal(), Literal(), Literal(14)));
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EXPECT_THAT(container.offsets(), UnorderedElementsAre(23));
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}
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TEST(LiteralsOrOffsetsTest, Capacity) {
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LiteralsOrOffsets container;
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for (int i = 0; i < 10; ++i) container.PushBackLiteral(Literal());
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container.InsertOffset(2);
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EXPECT_THAT(container.literals(), SizeIs(10));
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EXPECT_THAT(container.offsets(), UnorderedElementsAre(2));
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EXPECT_GE(container.capacity(), 11);
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container.ClearLiterals();
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EXPECT_THAT(container.literals(), SizeIs(0));
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EXPECT_THAT(container.offsets(), UnorderedElementsAre(2));
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EXPECT_GE(container.capacity(), 11);
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for (int i = 0; i < 9; ++i) container.PushBackLiteral(Literal());
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EXPECT_THAT(container.literals(), SizeIs(9));
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EXPECT_THAT(container.offsets(), UnorderedElementsAre(2));
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EXPECT_GE(container.capacity(), 10);
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container.ClearLiterals();
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container.ShrinkToFit();
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EXPECT_THAT(container.literals(), SizeIs(0));
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EXPECT_THAT(container.offsets(), UnorderedElementsAre(2));
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EXPECT_THAT(container.capacity(), LiteralsOrOffsets::kInlineElements);
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}
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} // namespace
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} // namespace sat
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} // namespace operations_research
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