Examples with IntArray org.trie4j.util.IntArray used on opensource projects

Example 1 with IntArray

use of org.trie4j.util.IntArray in project trie4j by takawitter.

the class SBVConcatTailArrayTest method test.

@Test
public void test() throws Exception {
    // 普通にSBVConcatTailArrayIndexBuilder使った場合と、
    // add毎にappendするTailArrayIndexBuilderを作ってそれを使った
    // 場合でbitvectorやcacheに差が出るか調べる
    TailPatriciaTrie org = new TailPatriciaTrie(new ConcatTailBuilder());
    new WikipediaTitles().insertTo(org);
    TailLOUDSTrie louds1 = new TailLOUDSTrie(org, new SBVConcatTailArrayAppendingBuilder());
    new WikipediaTitles().assertAllContains(louds1);
    BytesSuccinctBitVector sbv1 = (BytesSuccinctBitVector) ((SBVTailIndex) ((DefaultTailArray) louds1.getTailArray()).getTailIndex()).getSbv();
    TailLOUDSTrie louds2 = new TailLOUDSTrie(org, new SBVConcatTailArrayBuilder());
    new WikipediaTitles().assertAllContains(louds2);
    BytesSuccinctBitVector sbv2 = (BytesSuccinctBitVector) ((SBVTailIndex) ((DefaultTailArray) louds2.getTailArray()).getTailIndex()).getSbv();
    {
        int n = sbv1.size();
        System.out.println("sbv size: " + n);
        Assert.assertEquals(n, sbv2.size());
        for (int i = 0; i < n; i++) {
            Assert.assertEquals(i + "th bit", sbv1.get(i), sbv2.get(i));
        }
    }
    {
        int[] countCache1 = sbv1.getCountCache0();
        int[] countCache2 = sbv2.getCountCache0();
        int n = countCache1.length;
        System.out.println("countCache0 size should be: " + (sbv1.size() / 64 + 1));
        System.out.println("countCache0 size: " + n);
        //			Assert.assertEquals(n, countCache2.length);
        n = Math.min(countCache1.length, countCache2.length);
        for (int i = 0; i < n; i++) {
            Assert.assertEquals(i + "th index cache.", countCache1[i], countCache2[i]);
        }
    }
    {
        IntArray indexCache1 = sbv1.getIndexCache0();
        IntArray indexCache2 = sbv2.getIndexCache0();
        int n = indexCache1.size();
        System.out.println("indexCache0 size1: " + n);
        System.out.println("indexCache0 size2: " + indexCache2.size());
        //			Assert.assertEquals(n, countCache2.length);
        n = Math.min(indexCache1.size(), indexCache2.size());
        for (int i = 0; i < 10; i++) {
            System.out.print(indexCache1.get(i) + ", ");
        }
        System.out.println();
        for (int i = 0; i < 10; i++) {
            System.out.print(indexCache2.get(i) + ", ");
        }
        System.out.println();
        for (int i = 0; i < n; i++) {
            Assert.assertEquals(i + "th index cache.", indexCache1.get(i), indexCache2.get(i));
        }
    }
}