Examples with ByteArrayInputStream java.io.ByteArrayInputStream used on opensource projects

Example 61 with ByteArrayInputStream

use of java.io.ByteArrayInputStream in project commons by twitter.

the class TokenStreamSerializerTest method testVInt.

@Test
public void testVInt() throws Exception {
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    TokenStreamSerializer.AttributeOutputStream out = new TokenStreamSerializer.AttributeOutputStream(baos);
    final int N = 10000;
    final int[] expected = new int[N];
    Random rnd = new Random();
    for (int i = 0; i < N; i++) {
        expected[i] = rnd.nextInt();
        out.writeVInt(expected[i]);
    }
    out.flush();
    byte[] data = baos.toByteArray();
    ByteArrayInputStream bais = new ByteArrayInputStream(data);
    TokenStreamSerializer.AttributeInputStream in = new TokenStreamSerializer.AttributeInputStream(bais);
    for (int i = 0; i < N; i++) {
        assertEquals(expected[i], in.readVInt());
    }
}

Example 62 with ByteArrayInputStream

use of java.io.ByteArrayInputStream in project trie4j by takawitter.

the class LongsTailLOUDSTrieWithConcatTailArrayTest method test_save_load.

@Test
public void test_save_load() throws Exception {
    String[] words = { "こんにちは", "さようなら", "おはよう", "おおきなかぶ", "おおやまざき" };
    TailLOUDSTrie lt = trieWithWords(words);
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    ObjectOutputStream oos = new ObjectOutputStream(baos);
    lt.writeExternal(oos);
    oos.flush();
    lt = new TailLOUDSTrie();
    lt.readExternal(new ObjectInputStream(new ByteArrayInputStream(baos.toByteArray())));
    for (String w : words) {
        Assert.assertTrue(lt.contains(w));
    }
    Assert.assertFalse(lt.contains("おやすみなさい"));
    StringBuilder b = new StringBuilder();
    Node[] children = lt.getRoot().getChildren();
    for (Node n : children) {
        char[] letters = n.getLetters();
        b.append(letters[0]);
    }
    Assert.assertEquals("おこさ", b.toString());
}

Example 63 with ByteArrayInputStream

use of java.io.ByteArrayInputStream in project trie4j by takawitter.

the class TailLOUDSTrieWithConcatTailArrayTest method test_save_load.

@Test
public void test_save_load() throws Exception {
    String[] words = { "こんにちは", "さようなら", "おはよう", "おおきなかぶ", "おおやまざき" };
    TailLOUDSTrie lt = trieWithWords(words);
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    ObjectOutputStream oos = new ObjectOutputStream(baos);
    lt.writeExternal(oos);
    oos.flush();
    lt = new TailLOUDSTrie();
    lt.readExternal(new ObjectInputStream(new ByteArrayInputStream(baos.toByteArray())));
    for (String w : words) {
        Assert.assertTrue(lt.contains(w));
    }
    Assert.assertFalse(lt.contains("おやすみなさい"));
    StringBuilder b = new StringBuilder();
    Node[] children = lt.getRoot().getChildren();
    for (Node n : children) {
        char[] letters = n.getLetters();
        b.append(letters[0]);
    }
    Assert.assertEquals("おこさ", b.toString());
}

Example 64 with ByteArrayInputStream

use of java.io.ByteArrayInputStream in project trie4j by takawitter.

the class TailLOUDSTrieWithSuffixTrieTailArrayTest method test_save_load2.

@Test
public void test_save_load2() throws Exception {
    String[] words = { "こんにちは", "さようなら", "おはよう", "おおきなかぶ", "おおやまざき" };
    Trie trie = new PatriciaTrie();
    for (String w : words) trie.insert(w);
    TailLOUDSTrie lt = new TailLOUDSTrie(trie);
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    ObjectOutputStream oos = new ObjectOutputStream(baos);
    oos.writeObject(lt);
    oos.flush();
    lt = (TailLOUDSTrie) new ObjectInputStream(new ByteArrayInputStream(baos.toByteArray())).readObject();
    for (String w : words) {
        Assert.assertTrue(lt.contains(w));
    }
    Assert.assertFalse(lt.contains("おやすみなさい"));
    StringBuilder b = new StringBuilder();
    Node[] children = lt.getRoot().getChildren();
    for (Node n : children) {
        char[] letters = n.getLetters();
        b.append(letters[0]);
    }
    Assert.assertEquals("おこさ", b.toString());
}

Example 65 with ByteArrayInputStream

use of java.io.ByteArrayInputStream in project trie4j by takawitter.

the class TailLOUDSTrieWithSuffixTrieTailArrayTest method test_save_load.

@Test
public void test_save_load() throws Exception {
    String[] words = { "こんにちは", "さようなら", "おはよう", "おおきなかぶ", "おおやまざき" };
    TailLOUDSTrie lt = trieWithWords(words);
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    ObjectOutputStream oos = new ObjectOutputStream(baos);
    lt.writeExternal(oos);
    oos.flush();
    lt = new TailLOUDSTrie();
    lt.readExternal(new ObjectInputStream(new ByteArrayInputStream(baos.toByteArray())));
    for (String w : words) {
        Assert.assertTrue(lt.contains(w));
    }
    Assert.assertFalse(lt.contains("おやすみなさい"));
    StringBuilder b = new StringBuilder();
    Node[] children = lt.getRoot().getChildren();
    for (Node n : children) {
        char[] letters = n.getLetters();
        b.append(letters[0]);
    }
    Assert.assertEquals("おこさ", b.toString());
}