Examples with Randoms lib.Randoms used on opensource projects

Example 71 with Randoms

use of lib.Randoms in project solution-finder by knewjade.

the class BuildUpTest method randomLongByPacking.

@Test
@LongTest
void randomLongByPacking() throws ExecutionException, InterruptedException {
    // Initialize
    Randoms randoms = new Randoms();
    MinoFactory minoFactory = new MinoFactory();
    MinoShifter minoShifter = new MinoShifter();
    MinoRotation minoRotation = new MinoRotation();
    // Define size
    int height = 4;
    int basicWidth = 3;
    SizedBit sizedBit = new SizedBit(basicWidth, height);
    SeparableMinos separableMinos = SeparableMinos.createSeparableMinos(minoFactory, minoShifter, sizedBit);
    // Create basic solutions
    TaskResultHelper taskResultHelper = new Field4x10MinoPackingHelper();
    LockedReachableThreadLocal lockedReachableThreadLocal = new LockedReachableThreadLocal(minoFactory, minoShifter, minoRotation, height);
    Predicate<ColumnField> memorizedPredicate = (columnField) -> true;
    OnDemandBasicSolutions basicSolutions = new OnDemandBasicSolutions(separableMinos, sizedBit, memorizedPredicate);
    AtomicInteger counter = new AtomicInteger();
    for (int count = 0; count < 100; count++) {
        // Create field
        int numOfMinos = randoms.nextIntClosed(7, 10);
        Field field = randoms.field(height, numOfMinos);
        // Search
        List<InOutPairField> inOutPairFields = InOutPairField.createInOutPairFields(basicWidth, height, field);
        SolutionFilter solutionFilter = new AllPassedSolutionFilter();
        PerfectPackSearcher searcher = new PerfectPackSearcher(inOutPairFields, basicSolutions, sizedBit, solutionFilter, taskResultHelper);
        Optional<Result> resultOptional = searcher.findAny();
        // If found solution
        resultOptional.ifPresent(result -> {
            counter.incrementAndGet();
            LinkedList<MinoOperationWithKey> operationWithKeys = result.getMemento().getSeparableMinoStream(basicWidth).map(SeparableMino::toMinoOperationWithKey).collect(Collectors.toCollection(LinkedList::new));
            LockedReachable reachable = lockedReachableThreadLocal.get();
            boolean exists = BuildUp.existsValidBuildPattern(field, operationWithKeys, height, reachable);
            if (exists) {
                // cansBuildでtrueとなるものがあることを確認
                Optional<List<MinoOperationWithKey>> valid = StreamSupport.stream(new PermutationIterable<>(operationWithKeys, operationWithKeys.size()).spliterator(), false).filter(combination -> BuildUp.cansBuild(field, combination, height, lockedReachableThreadLocal.get())).findAny();
                assertThat(valid.isPresent()).as(FieldView.toString(field) + OperationWithKeyInterpreter.parseToString(operationWithKeys)).isTrue();
                // checksKeyは必ずtrueとなる
                assertThat(BuildUp.checksKey(operationWithKeys, 0L, height)).as(FieldView.toString(field) + OperationWithKeyInterpreter.parseToString(operationWithKeys)).isTrue();
                // existsValidByOrderは必ずtrueになる
                assert valid.isPresent();
                List<MinoOperationWithKey> keys = valid.get();
                List<Piece> pieces = keys.stream().map(OperationWithKey::getPiece).collect(Collectors.toList());
                assertThat(BuildUp.existsValidByOrder(field, keys.stream(), pieces, height, reachable)).isTrue();
            } else {
                // cansBuildですべてがfalseとなることを確認
                boolean noneMatch = StreamSupport.stream(new PermutationIterable<>(operationWithKeys, operationWithKeys.size()).spliterator(), false).noneMatch(combination -> BuildUp.cansBuild(field, combination, height, lockedReachableThreadLocal.get()));
                assertThat(noneMatch).as(FieldView.toString(field) + OperationWithKeyInterpreter.parseToString(operationWithKeys)).isTrue();
                // existsValidByOrderは必ずfalseになる
                List<Piece> pieces = operationWithKeys.stream().map(OperationWithKey::getPiece).collect(Collectors.toList());
                assertThat(BuildUp.existsValidByOrder(field, operationWithKeys.stream(), pieces, height, reachable)).isFalse();
            }
        });
    }
    System.out.println(counter);
}

Example 72 with Randoms

use of lib.Randoms in project solution-finder by knewjade.

the class ColumnFieldComparatorTest method compare.

@Test
void compare() throws Exception {
    Randoms randoms = new Randoms();
    ColumnFieldComparator comparator = new ColumnFieldComparator();
    for (int count = 0; count < 10000; count++) {
        // same field
        int height = randoms.nextInt(1, 10);
        ColumnSmallField field1 = ColumnFieldFactory.createField();
        ColumnSmallField field2 = ColumnFieldFactory.createField();
        int maxBlock = randoms.nextInt(1, 15);
        for (int block = 0; block < maxBlock; block++) {
            int x = randoms.nextInt(10);
            int y = randoms.nextInt(height);
            field1.setBlock(x, y, height);
            field2.setBlock(x, y, height);
        }
        assertThat(comparator.compare(field1, field2)).isEqualTo(0);
        assertThat(comparator.compare(field2, field1)).isEqualTo(0);
        // 1block different field
        int x = randoms.nextInt(10);
        int y = randoms.nextInt(height);
        if (field1.isEmpty(x, y, height))
            field1.setBlock(x, y, height);
        else
            field1.removeBlock(x, y, height);
        // assert is not 0 & reversed sign
        assertThat(comparator.compare(field1, field2) * comparator.compare(field2, field1)).isLessThan(0);
    }
}

Example 73 with Randoms

use of lib.Randoms in project solution-finder by knewjade.

the class OperationWithKeyComparatorTest method compareDiffDeleteKey.

@Test
void compareDiffDeleteKey() throws Exception {
    Randoms randoms = new Randoms();
    MinoFactory minoFactory = new MinoFactory();
    int x = randoms.nextInt(10);
    int y = randoms.nextInt(20);
    long deleteKey = 0L;
    long usingKey = 1049600L;
    OperationWithKey operationWithKey1 = new FullOperationWithKey(minoFactory.create(Piece.I, Rotate.Spawn), x, y, deleteKey, usingKey);
    Mino newMino = new MinoFactory().create(Piece.I, Rotate.Spawn);
    Long choose = randoms.key();
    while (choose == deleteKey) choose = randoms.key();
    OperationWithKey operationWithKey2 = createNewOperationWithKey(newMino, x, y, choose, usingKey);
    // assert is not 0 & sign reversed
    OperationWithKeyComparator comparator = new OperationWithKeyComparator();
    assertThat(comparator.compare(operationWithKey1, operationWithKey2) * comparator.compare(operationWithKey2, operationWithKey1)).as(operationWithKey2.toString()).isLessThan(0);
}

Example 74 with Randoms

use of lib.Randoms in project solution-finder by knewjade.

the class OperationWithKeyComparatorTest method compare.

@Test
void compare() throws Exception {
    Randoms randoms = new Randoms();
    MinoFactory minoFactory = new MinoFactory();
    int x = randoms.nextInt(10);
    int y = randoms.nextInt(20);
    long deleteKey = 0L;
    long usingKey = 1049600L;
    OperationWithKey operationWithKey1 = new FullOperationWithKey(minoFactory.create(Piece.I, Rotate.Spawn), x, y, deleteKey, usingKey);
    Mino newMino = new MinoFactory().create(Piece.I, Rotate.Spawn);
    OperationWithKey operationWithKey2 = createNewOperationWithKey(newMino, x, y, deleteKey, usingKey);
    OperationWithKeyComparator comparator = new OperationWithKeyComparator();
    assertThat(comparator.compare(operationWithKey1, operationWithKey2)).as(operationWithKey1.toString()).isEqualTo(0);
    assertThat(comparator.compare(operationWithKey2, operationWithKey1)).as(operationWithKey2.toString()).isEqualTo(0);
}

Example 75 with Randoms

use of lib.Randoms in project solution-finder by knewjade.

the class OperationWithKeyComparatorTest method compareDiffUsingKey.

@Test
void compareDiffUsingKey() throws Exception {
    Randoms randoms = new Randoms();
    MinoFactory minoFactory = new MinoFactory();
    int x = randoms.nextInt(10);
    int y = randoms.nextInt(20);
    long deleteKey = 0L;
    long usingKey = 1049600L;
    OperationWithKey operationWithKey1 = new FullOperationWithKey(minoFactory.create(Piece.I, Rotate.Spawn), x, y, deleteKey, usingKey);
    Mino newMino = new MinoFactory().create(Piece.I, Rotate.Spawn);
    Long choose = randoms.key();
    OperationWithKey operationWithKey2 = createNewOperationWithKey(newMino, x, y, deleteKey, choose);
    // assert is 0
    OperationWithKeyComparator<OperationWithKey> comparator = new OperationWithKeyComparator<>();
    int compare1 = comparator.compare(operationWithKey1, operationWithKey2);
    assertThat(compare1).as(operationWithKey1.toString()).isEqualTo(0);
    int compare2 = comparator.compare(operationWithKey2, operationWithKey1);
    assertThat(compare2).as(operationWithKey2.toString()).isEqualTo(0);
}