Examples with Randoms lib.Randoms used on opensource projects

Example 51 with Randoms

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

the class PermutationIterableTest method iteratorRandomBlock.

@Test
@LongTest
void iteratorRandomBlock() throws Exception {
    Randoms randoms = new Randoms();
    ArrayList<Piece> allPieces = Lists.newArrayList(Iterables.concat(Piece.valueList(), Piece.valueList()));
    for (int pop = 1; pop <= 7; pop++) {
        PermutationIterable<Piece> iterable = new PermutationIterable<>(allPieces, pop);
        HashSet<LongPieces> sets = StreamSupport.stream(iterable.spliterator(), false).map(Collection::stream).map(LongPieces::new).collect(Collectors.toCollection(HashSet::new));
        // ランダムにサンプルを選択し、必ず列挙したセットの中にあることを確認
        for (int count = 0; count < 1000; count++) {
            List<Piece> sample = randoms.sample(allPieces, pop);
            LongPieces pieces = new LongPieces(sample);
            assertThat(pieces).isIn(sets);
        }
    }
}

Example 52 with Randoms

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

the class ForwardOrderLookUpTest method parseOverBlocksRandom.

@Test
void parseOverBlocksRandom() throws Exception {
    Randoms randoms = new Randoms();
    for (int size = 3; size <= 15; size++) {
        List<Piece> pieces = randoms.blocks(size);
        int toDepth = pieces.size();
        ForwardOrderLookUp lookUp = new ForwardOrderLookUp(toDepth - 1, pieces.size());
        HashSet<LongPieces> forward = lookUp.parse(pieces).map(LongPieces::new).collect(Collectors.toCollection(HashSet::new));
        for (int count = 0; count < 10000; count++) {
            ArrayList<Piece> sample = new ArrayList<>();
            int holdIndex = 0;
            for (int index = 1; index < size; index++) {
                if (randoms.nextBoolean(0.3)) {
                    // そのまま追加
                    sample.add(pieces.get(index));
                } else {
                    // ホールドを追加
                    sample.add(pieces.get(holdIndex));
                    holdIndex = index;
                }
            }
            assertThat(new LongPieces(sample)).isIn(forward);
        }
    }
}

Example 53 with Randoms

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

the class OperationHistoryTest method random.

@Test
void random() throws ExecutionException, InterruptedException {
    Randoms randoms = new Randoms();
    for (int count = 0; count < 1000; count++) {
        int size = randoms.nextInt(1, 10);
        ArrayList<Operation> operations = new ArrayList<>();
        OperationHistory history = new OperationHistory(size);
        for (int index = 0; index < size; index++) {
            Piece piece = randoms.block();
            Rotate rotate = randoms.rotate();
            int y = randoms.nextInt(4);
            int x = randoms.nextInt(10);
            MinimalAction action = MinimalAction.create(x, y, rotate);
            history = history.recordAndReturnNew(piece, action);
            operations.add(new SimpleOperation(piece, rotate, x, y));
        }
        List<Operation> actual = history.getOperationStream().collect(Collectors.toList());
        assertThat(actual).isEqualTo(operations);
    }
}

Example 54 with Randoms

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

the class OrderLookupTest method reverseOver2BlocksRandom.

@Test
void reverseOver2BlocksRandom() throws Exception {
    Randoms randoms = new Randoms();
    for (int size = 1; size <= 13; size++) {
        List<Piece> pieceList = randoms.blocks(size);
        int fromDepth = pieceList.size() + 2;
        Comparator<List<Piece>> comparator = new ListComparator<>(Comparator.nullsFirst(Comparator.comparingInt(Piece::getNumber)));
        List<List<Piece>> forward1 = OrderLookup.reverseBlocks(pieceList, fromDepth).stream().map(StackOrder::toList).sorted(comparator).collect(Collectors.toList());
        ReverseOrderLookUp lookUp = new ReverseOrderLookUp(pieceList.size(), fromDepth);
        List<List<Piece>> forward2 = lookUp.parse(pieceList).map(blockStream -> blockStream.collect(Collectors.toList())).sorted(comparator).collect(Collectors.toList());
        assertThat(forward2).isEqualTo(forward1);
    }
}

Example 55 with Randoms

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

the class OrderLookupTest method reverseJustBlocksRandom.

@Test
void reverseJustBlocksRandom() throws Exception {
    Randoms randoms = new Randoms();
    for (int size = 1; size <= 13; size++) {
        List<Piece> pieceList = randoms.blocks(size);
        int fromDepth = pieceList.size();
        PiecesNumberComparator comparator = new PiecesNumberComparator();
        List<LongPieces> forward1 = OrderLookup.reverseBlocks(pieceList, fromDepth).stream().map(StackOrder::toList).map(LongPieces::new).sorted(comparator).collect(Collectors.toList());
        ReverseOrderLookUp lookUp = new ReverseOrderLookUp(pieceList.size(), fromDepth);
        List<LongPieces> forward2 = lookUp.parse(pieceList).map(blockStream -> blockStream.collect(Collectors.toList())).map(LongPieces::new).sorted(comparator).collect(Collectors.toList());
        assertThat(forward2).isEqualTo(forward1);
    }
}