Examples with Randoms lib.Randoms used on opensource projects

Example 1 with Randoms

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

the class BuildUpStreamTest method randomLong.

@Test
@LongTest
void randomLong() 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 < 10; count++) {
        // Create field
        int numOfMinos = randoms.nextIntClosed(7, 9);
        Field field = randoms.field(height, numOfMinos);
        // Search
        List<InOutPairField> inOutPairFields = InOutPairField.createInOutPairFields(basicWidth, height, field);
        SolutionFilter solutionFilter = createRandomSolutionFilter(randoms, sizedBit, lockedReachableThreadLocal, field);
        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));
            // Create Pieces
            LockedReachable reachable = lockedReachableThreadLocal.get();
            Set<List<MinoOperationWithKey>> valid = new BuildUpStream(reachable, height).existsValidBuildPattern(field, operationWithKeys).collect(Collectors.toSet());
            PermutationIterable<MinoOperationWithKey> permutations = new PermutationIterable<>(operationWithKeys, operationWithKeys.size());
            for (List<MinoOperationWithKey> permutation : permutations) {
                boolean canBuild = BuildUp.cansBuild(field, permutation, height, reachable);
                if (canBuild) {
                    assertThat(valid).as(FieldView.toString(field)).contains(permutation);
                } else {
                    assertThat(valid).as(FieldView.toString(field)).doesNotContain(permutation);
                }
            }
        });
    }
    System.out.println(counter);
}

Example 2 with Randoms

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

the class BuildUpStreamTest method randomShort.

@Test
void randomShort() 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 < 10000; count++) {
        // Create field
        int numOfMinos = randoms.nextInt(1, 7);
        Field field = randoms.field(height, numOfMinos);
        // Search
        List<InOutPairField> inOutPairFields = InOutPairField.createInOutPairFields(basicWidth, height, field);
        SolutionFilter solutionFilter = createRandomSolutionFilter(randoms, sizedBit, lockedReachableThreadLocal, field);
        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));
            // Create Pieces
            LockedReachable reachable = lockedReachableThreadLocal.get();
            Set<List<MinoOperationWithKey>> valid = new BuildUpStream(reachable, height).existsValidBuildPattern(field, operationWithKeys).collect(Collectors.toSet());
            PermutationIterable<MinoOperationWithKey> permutations = new PermutationIterable<>(operationWithKeys, operationWithKeys.size());
            for (List<MinoOperationWithKey> permutation : permutations) {
                boolean canBuild = BuildUp.cansBuild(field, permutation, height, reachable);
                if (canBuild) {
                    assertThat(valid).as(FieldView.toString(field)).contains(permutation);
                } else {
                    assertThat(valid).as(FieldView.toString(field)).doesNotContain(permutation);
                }
            }
        });
    }
    System.out.println(counter);
}

Example 3 with Randoms

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

the class BuildUpTest method cansBuildRandomShortByCheck.

@Test
void cansBuildRandomShortByCheck() {
    Randoms randoms = new Randoms();
    // Create field
    int height = 4;
    // Initialize
    MinoFactory minoFactory = new MinoFactory();
    MinoShifter minoShifter = new MinoShifter();
    MinoRotation minoRotation = new MinoRotation();
    PerfectValidator validator = new PerfectValidator();
    CheckerUsingHold<Action> checker = new CheckerUsingHold<>(minoFactory, validator);
    Candidate<Action> candidate = new LockedCandidate(minoFactory, minoShifter, minoRotation, height);
    LockedReachable reachable = new LockedReachable(minoFactory, minoShifter, minoRotation, height);
    AtomicInteger counter = new AtomicInteger();
    for (int count = 0; count < 10000; count++) {
        // Pickup solution from checker
        int numOfMinos = randoms.nextInt(1, 7);
        Field field = randoms.field(height, numOfMinos);
        List<Piece> pieces = randoms.blocks(numOfMinos);
        boolean check = checker.check(field, pieces, candidate, height, numOfMinos);
        if (check) {
            counter.incrementAndGet();
            Stream<Operation> operationStream = ResultHelper.createOperationStream(checker.getResult());
            Operations operations = new Operations(operationStream);
            List<MinoOperationWithKey> operationWithKeys = OperationTransform.parseToOperationWithKeys(field, operations, minoFactory, height);
            assertThat(BuildUp.cansBuild(field, operationWithKeys, height, reachable)).as(FieldView.toString(field) + pieces).isTrue();
        }
    }
    System.out.println(counter);
}

Example 4 with Randoms

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

the class FieldComparatorTest method compare.

@Test
void compare() throws Exception {
    Randoms randoms = new Randoms();
    FieldComparator comparator = new FieldComparator();
    for (int count = 0; count < 10000; count++) {
        // same field
        int height = randoms.nextInt(1, 6);
        Field field1 = new SmallField();
        Field field2 = new MiddleField();
        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);
            field2.setBlock(x, y);
        }
        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))
            field1.setBlock(x, y);
        else
            field1.removeBlock(x, y);
        // assert is not 0 & reversed sign
        assertThat(comparator.compare(field1, field2) * comparator.compare(field2, field1)).isLessThan(0);
    }
}

Example 5 with Randoms

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

the class OperationWithKeyComparatorTest method compareDiffX.

@Test
void compareDiffX() 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);
    int newX = randoms.nextInt(10);
    if (newX == x)
        newX += 1;
    Mino newMino = new MinoFactory().create(Piece.I, Rotate.Spawn);
    OperationWithKey operationWithKey2 = createNewOperationWithKey(newMino, newX, y, deleteKey, 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);
}