5bf70b691f
* CMake has not been updated yet * bazel was compiling at least last week bazel: disable math opt facility_location.py missing some dependencies...
290 lines
9.8 KiB
C++
290 lines
9.8 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/math_opt/elemental/diff.h"
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#include <array>
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#include <cstdint>
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#include "absl/types/span.h"
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#include "gtest/gtest.h"
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#include "ortools/base/gmock.h"
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#include "ortools/math_opt/elemental/attr_key.h"
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#include "ortools/math_opt/elemental/attributes.h"
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#include "ortools/math_opt/elemental/elements.h"
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namespace operations_research::math_opt {
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namespace {
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using ::testing::IsEmpty;
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using ::testing::UnorderedElementsAre;
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std::array<int64_t, kNumElements> MakeUniformCheckpoint(int64_t id) {
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std::array<int64_t, kNumElements> result;
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result.fill(id);
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return result;
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}
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////////////////////////////////////////////////////////////////////////////////
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// Element tests
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////////////////////////////////////////////////////////////////////////////////
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TEST(DiffTest, InitDiffElementsEmpty) {
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Diff diff;
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EXPECT_EQ(diff.checkpoint(ElementType::kVariable), 0);
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EXPECT_THAT(diff.deleted_elements(ElementType::kVariable), IsEmpty());
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}
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TEST(DiffTest, DeleteElementAfterCheckpointNoEffect) {
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Diff diff;
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diff.DeleteElement(ElementType::kVariable, 2);
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EXPECT_THAT(diff.deleted_elements(ElementType::kVariable), IsEmpty());
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}
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TEST(DiffTest, DeletesTrackedBelowCheckpoint) {
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Diff diff;
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diff.Advance(MakeUniformCheckpoint(5));
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EXPECT_EQ(diff.checkpoint(ElementType::kVariable), 5);
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diff.DeleteElement(ElementType::kVariable, 3);
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diff.DeleteElement(ElementType::kVariable, 1);
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diff.DeleteElement(ElementType::kVariable, 8);
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diff.DeleteElement(ElementType::kVariable, 5);
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EXPECT_THAT(diff.deleted_elements(ElementType::kVariable),
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UnorderedElementsAre(3, 1));
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}
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TEST(DiffTest, AdvanceClearsDeletedElements) {
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Diff diff;
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diff.Advance(MakeUniformCheckpoint(5));
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diff.DeleteElement(ElementType::kVariable, 3);
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EXPECT_THAT(diff.deleted_elements(ElementType::kVariable),
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UnorderedElementsAre(3));
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diff.Advance(MakeUniformCheckpoint(5));
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EXPECT_THAT(diff.deleted_elements(ElementType::kVariable), IsEmpty());
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}
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////////////////////////////////////////////////////////////////////////////////
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// Attr0 Tests
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////////////////////////////////////////////////////////////////////////////////
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TEST(DiffTest, InitBoolAttr0Empty) {
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Diff diff;
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EXPECT_THAT(diff.modified_keys(BoolAttr0::kMaximize), IsEmpty());
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}
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TEST(DiffTest, SetBoolAttr0ModifiedIsModified) {
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Diff diff;
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diff.SetModified(BoolAttr0::kMaximize, AttrKey());
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EXPECT_THAT(diff.modified_keys(BoolAttr0::kMaximize),
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UnorderedElementsAre(AttrKey()));
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}
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TEST(DiffTest, BoolAttr0AdvanceClearsModification) {
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Diff diff;
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diff.SetModified(BoolAttr0::kMaximize, AttrKey());
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diff.Advance(MakeUniformCheckpoint(0));
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EXPECT_THAT(diff.modified_keys(BoolAttr0::kMaximize), IsEmpty());
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}
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// Repeat all tests for double, they are short enough.
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TEST(DiffTest, InitDoubleAttr0Empty) {
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Diff diff;
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EXPECT_THAT(diff.modified_keys(DoubleAttr0::kObjOffset), IsEmpty());
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}
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TEST(DiffTest, SetDoubleAttr0ModifiedIsModified) {
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Diff diff;
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diff.SetModified(DoubleAttr0::kObjOffset, AttrKey());
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EXPECT_THAT(diff.modified_keys(DoubleAttr0::kObjOffset),
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UnorderedElementsAre(AttrKey()));
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}
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TEST(DiffTest, DoubleAttr0AdvanceClearsModification) {
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Diff diff;
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diff.SetModified(DoubleAttr0::kObjOffset, AttrKey());
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diff.Advance(MakeUniformCheckpoint(0));
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EXPECT_THAT(diff.modified_keys(DoubleAttr0::kObjOffset), IsEmpty());
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}
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////////////////////////////////////////////////////////////////////////////////
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// Attr1 Tests
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////////////////////////////////////////////////////////////////////////////////
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TEST(DiffTest, InitBoolAttr1Empty) {
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Diff diff;
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EXPECT_THAT(diff.modified_keys(BoolAttr1::kVarInteger), IsEmpty());
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}
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TEST(DiffTest, SetBoolAttr1ModifiedBeforeCheckpointIsModified) {
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Diff diff;
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diff.Advance(MakeUniformCheckpoint(1));
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diff.SetModified(BoolAttr1::kVarInteger, AttrKey(0));
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EXPECT_THAT(diff.modified_keys(BoolAttr1::kVarInteger),
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UnorderedElementsAre(AttrKey(0)));
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}
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TEST(DiffTest, SetBoolAttr1ModifiedAtleastCheckpointNotTracked) {
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Diff diff;
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diff.SetModified(BoolAttr1::kVarInteger, AttrKey(0));
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EXPECT_THAT(diff.modified_keys(BoolAttr1::kVarInteger), IsEmpty());
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}
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TEST(DiffTest, BoolAttr1AdvanceClearsModification) {
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Diff diff;
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diff.Advance(MakeUniformCheckpoint(1));
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diff.SetModified(BoolAttr1::kVarInteger, AttrKey(0));
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diff.Advance(MakeUniformCheckpoint(1));
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EXPECT_THAT(diff.modified_keys(BoolAttr1::kVarInteger), IsEmpty());
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}
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TEST(DiffTest, EraseElementForBoolAttr1IsNoLongerTracked) {
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Diff diff;
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diff.Advance(MakeUniformCheckpoint(1));
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diff.SetModified(BoolAttr1::kVarInteger, AttrKey(0));
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EXPECT_THAT(diff.modified_keys(BoolAttr1::kVarInteger),
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UnorderedElementsAre(AttrKey(0)));
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diff.EraseKeysForAttr(BoolAttr1::kVarInteger, {AttrKey(0)});
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EXPECT_THAT(diff.modified_keys(BoolAttr1::kVarInteger), IsEmpty());
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}
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////////////////////////////////////////////////////////////////////////////////
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// Repeat all tests for DoubleAttr1, not ideal
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////////////////////////////////////////////////////////////////////////////////
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TEST(DiffTest, InitDoubleAttr1Empty) {
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Diff diff;
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EXPECT_THAT(diff.modified_keys(DoubleAttr1::kLinConUb), IsEmpty());
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}
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TEST(DiffTest, SetDoubleAttr1ModifiedBeforeCheckpointIsModified) {
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Diff diff;
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diff.Advance(MakeUniformCheckpoint(1));
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diff.SetModified(DoubleAttr1::kLinConUb, AttrKey(0));
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EXPECT_THAT(diff.modified_keys(DoubleAttr1::kLinConUb),
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UnorderedElementsAre(AttrKey(0)));
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}
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TEST(DiffTest, SetDoubleAttr1ModifiedAtleastCheckpointNotTracked) {
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Diff diff;
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diff.SetModified(DoubleAttr1::kLinConUb, AttrKey(0));
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EXPECT_THAT(diff.modified_keys(DoubleAttr1::kLinConUb), IsEmpty());
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}
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TEST(DiffTest, DoubleAttr1AdvanceClearsModification) {
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Diff diff;
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diff.Advance(MakeUniformCheckpoint(1));
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diff.SetModified(DoubleAttr1::kLinConUb, AttrKey(0));
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diff.Advance(MakeUniformCheckpoint(1));
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EXPECT_THAT(diff.modified_keys(DoubleAttr1::kLinConUb), IsEmpty());
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}
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TEST(DiffTest, EraseElementForDoubleAttr1IsNoLongerTracked) {
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Diff diff;
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diff.Advance(MakeUniformCheckpoint(1));
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diff.SetModified(DoubleAttr1::kLinConUb, AttrKey(0));
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EXPECT_THAT(diff.modified_keys(DoubleAttr1::kLinConUb),
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UnorderedElementsAre(AttrKey(0)));
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diff.EraseKeysForAttr(DoubleAttr1::kLinConUb, {AttrKey(0)});
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EXPECT_THAT(diff.modified_keys(DoubleAttr1::kLinConUb), IsEmpty());
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}
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////////////////////////////////////////////////////////////////////////////////
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// Attr2 Tests
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//
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// UpdateAttr2OnFirstElementDeleted and UpdateAttr2OnSecondElementDeleted are a
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// bit under tested.
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////////////////////////////////////////////////////////////////////////////////
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TEST(DiffTest, InitDoubleAttr2Empty) {
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Diff diff;
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EXPECT_THAT(diff.modified_keys(DoubleAttr2::kLinConCoef), IsEmpty());
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}
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TEST(DiffTest, SetDoubleAttr2ModifiedBothKeysBeforeCheckpointIsModified) {
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Diff diff;
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diff.Advance(MakeUniformCheckpoint(2));
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diff.SetModified(DoubleAttr2::kLinConCoef, AttrKey(1, 0));
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EXPECT_THAT(diff.modified_keys(DoubleAttr2::kLinConCoef),
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UnorderedElementsAre(AttrKey(1, 0)));
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}
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TEST(DiffTest, SetDoubleAttr2ModifiedFirstKeyAtleastCheckpointNotTracked) {
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Diff diff;
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diff.Advance(MakeUniformCheckpoint(2));
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diff.SetModified(DoubleAttr2::kLinConCoef, AttrKey(4, 0));
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EXPECT_THAT(diff.modified_keys(DoubleAttr2::kLinConCoef), IsEmpty());
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}
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TEST(DiffTest, SetDoubleAttr2ModifiedSecondtKeyAtleastCheckpointNotTracked) {
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Diff diff;
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diff.Advance(MakeUniformCheckpoint(2));
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diff.SetModified(DoubleAttr2::kLinConCoef, AttrKey(0, 4));
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EXPECT_THAT(diff.modified_keys(DoubleAttr2::kLinConCoef), IsEmpty());
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}
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TEST(DiffTest, DoubleAttr2AdvanceClearsModification) {
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Diff diff;
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diff.Advance(MakeUniformCheckpoint(1));
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diff.SetModified(DoubleAttr2::kLinConCoef, AttrKey(0, 0));
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diff.Advance(MakeUniformCheckpoint(1));
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EXPECT_THAT(diff.modified_keys(DoubleAttr2::kLinConCoef), IsEmpty());
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}
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TEST(DiffTest, EraseFirstElementForDoubleAttr2IsNoLongerTracked) {
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Diff diff;
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diff.Advance(MakeUniformCheckpoint(5));
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diff.SetModified(DoubleAttr2::kLinConCoef, AttrKey(1, 0));
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diff.SetModified(DoubleAttr2::kLinConCoef, AttrKey(1, 2));
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diff.SetModified(DoubleAttr2::kLinConCoef, AttrKey(1, 4));
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EXPECT_THAT(
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diff.modified_keys(DoubleAttr2::kLinConCoef),
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UnorderedElementsAre(AttrKey(1, 0), AttrKey(1, 2), AttrKey(1, 4)));
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diff.EraseKeysForAttr(
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DoubleAttr2::kLinConCoef,
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absl::Span<const AttrKey<2>>({AttrKey(1, 0), AttrKey(1, 4)}));
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EXPECT_THAT(diff.modified_keys(DoubleAttr2::kLinConCoef),
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UnorderedElementsAre(AttrKey(1, 2)));
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}
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TEST(DiffTest, EraseSecondElementForDoubleAttr2IsNoLongerTracked) {
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Diff diff;
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diff.Advance(MakeUniformCheckpoint(5));
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diff.SetModified(DoubleAttr2::kLinConCoef, AttrKey(0, 1));
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diff.SetModified(DoubleAttr2::kLinConCoef, AttrKey(2, 1));
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diff.SetModified(DoubleAttr2::kLinConCoef, AttrKey(4, 1));
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EXPECT_THAT(
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diff.modified_keys(DoubleAttr2::kLinConCoef),
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UnorderedElementsAre(AttrKey(0, 1), AttrKey(2, 1), AttrKey(4, 1)));
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diff.EraseKeysForAttr(
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DoubleAttr2::kLinConCoef,
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absl::Span<const AttrKey<2>>({AttrKey(0, 1), AttrKey(4, 1)}));
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EXPECT_THAT(diff.modified_keys(DoubleAttr2::kLinConCoef),
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UnorderedElementsAre(AttrKey(2, 1)));
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}
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} // namespace
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} // namespace operations_research::math_opt
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