Examples with In org.h2.dev.util.BinaryArithmeticStream.In used on opensource projects

Example 86 with In

use of org.h2.dev.util.BinaryArithmeticStream.In in project h2database by h2database.

the class TestStreams method testLZFStreams.

private void testLZFStreams() throws IOException {
    Random random = new Random(1);
    int max = getSize(100, 1000);
    for (int i = 0; i < max; i += 3) {
        byte[] buffer = getRandomBytes(random);
        ByteArrayOutputStream out = new ByteArrayOutputStream();
        LZFOutputStream comp = new LZFOutputStream(out);
        if (random.nextInt(10) == 1) {
            comp.write(buffer);
        } else {
            for (int j = 0; j < buffer.length; ) {
                int[] sizes = { 0, 1, random.nextInt(100), random.nextInt(100000) };
                int size = sizes[random.nextInt(sizes.length)];
                size = Math.min(size, buffer.length - j);
                if (size == 1) {
                    comp.write(buffer[j]);
                } else {
                    comp.write(buffer, j, size);
                }
                j += size;
            }
        }
        comp.close();
        byte[] compressed = out.toByteArray();
        ByteArrayInputStream in = new ByteArrayInputStream(compressed);
        LZFInputStream decompress = new LZFInputStream(in);
        byte[] test = new byte[buffer.length];
        for (int j = 0; j < buffer.length; ) {
            int[] sizes = { 0, 1, random.nextInt(100), random.nextInt(100000) };
            int size = sizes[random.nextInt(sizes.length)];
            if (size == 1) {
                int x = decompress.read();
                if (x < 0) {
                    break;
                }
                test[j++] = (byte) x;
            } else {
                size = Math.min(size, test.length - j);
                int l = decompress.read(test, j, size);
                if (l < 0) {
                    break;
                }
                j += l;
            }
        }
        decompress.close();
        assertEquals(buffer, test);
    }
}

Example 87 with In

use of org.h2.dev.util.BinaryArithmeticStream.In in project h2database by h2database.

the class TestCompress method testVariableEnd.

private void testVariableEnd() {
    CompressTool utils = CompressTool.getInstance();
    StringBuilder b = new StringBuilder();
    for (int i = 0; i < 90; i++) {
        b.append('0');
    }
    String prefix = b.toString();
    for (int i = 0; i < 100; i++) {
        b = new StringBuilder(prefix);
        for (int j = 0; j < i; j++) {
            b.append((char) ('1' + j));
        }
        String test = b.toString();
        byte[] in = test.getBytes();
        assertEquals(in, utils.expand(utils.compress(in, "LZF")));
    }
}

Example 88 with In

use of org.h2.dev.util.BinaryArithmeticStream.In in project h2database by h2database.

the class TestDate method testDateTimeUtils.

private void testDateTimeUtils() {
    ValueTimestamp ts1 = ValueTimestamp.parse("-999-08-07 13:14:15.16");
    ValueTimestamp ts2 = ValueTimestamp.parse("19999-08-07 13:14:15.16");
    ValueTime t1 = (ValueTime) ts1.convertTo(Value.TIME);
    ValueTime t2 = (ValueTime) ts2.convertTo(Value.TIME);
    ValueDate d1 = (ValueDate) ts1.convertTo(Value.DATE);
    ValueDate d2 = (ValueDate) ts2.convertTo(Value.DATE);
    assertEquals("-999-08-07 13:14:15.16", ts1.getString());
    assertEquals("-999-08-07", d1.getString());
    assertEquals("13:14:15.16", t1.getString());
    assertEquals("19999-08-07 13:14:15.16", ts2.getString());
    assertEquals("19999-08-07", d2.getString());
    assertEquals("13:14:15.16", t2.getString());
    ValueTimestamp ts1a = DateTimeUtils.convertTimestamp(ts1.getTimestamp(), DateTimeUtils.createGregorianCalendar());
    ValueTimestamp ts2a = DateTimeUtils.convertTimestamp(ts2.getTimestamp(), DateTimeUtils.createGregorianCalendar());
    assertEquals("-999-08-07 13:14:15.16", ts1a.getString());
    assertEquals("19999-08-07 13:14:15.16", ts2a.getString());
    // test for bug on Java 1.8.0_60 in "Europe/Moscow" timezone.
    // Doesn't affect most other timezones
    long millis = 1407437460000L;
    long result1 = DateTimeUtils.nanosFromDate(DateTimeUtils.getTimeUTCWithoutDst(millis));
    long result2 = DateTimeUtils.nanosFromDate(DateTimeUtils.getTimeUTCWithoutDst(millis));
    assertEquals(result1, result2);
}

Example 89 with In

use of org.h2.dev.util.BinaryArithmeticStream.In in project h2database by h2database.

the class H2Database method create.

/**
 * Create a new in-memory database.
 *
 * @param factory the cursor factory
 * @return a connection to this database
 */
public static H2Database create(H2Database.CursorFactory factory) {
    ConnectionInfo ci = new ConnectionInfo("mem:");
    Database db = new Database(ci, null);
    Session s = db.getSystemSession();
    return new H2Database(s, factory);
}

Example 90 with In

use of org.h2.dev.util.BinaryArithmeticStream.In in project h2database by h2database.

the class Railroads method map.

private void map(String key, ResultSet rs, boolean railroads) throws Exception {
    ArrayList<HashMap<String, String>> list;
    list = new ArrayList<>();
    while (rs.next()) {
        HashMap<String, String> map = new HashMap<>();
        ResultSetMetaData meta = rs.getMetaData();
        for (int i = 0; i < meta.getColumnCount(); i++) {
            String k = StringUtils.toLowerEnglish(meta.getColumnLabel(i + 1));
            String value = rs.getString(i + 1);
            value = value.trim();
            map.put(k, PageParser.escapeHtml(value));
        }
        String topic = rs.getString("TOPIC");
        String syntax = rs.getString("SYNTAX").trim();
        if (railroads) {
            BnfRailroad r = new BnfRailroad();
            String railroad = r.getHtml(bnf, syntax);
            map.put("railroad", railroad);
        }
        BnfSyntax visitor = new BnfSyntax();
        String syntaxHtml = visitor.getHtml(bnf, syntax);
        map.put("syntax", syntaxHtml);
        // remove newlines in the regular text
        String text = map.get("text");
        if (text != null) {
            // text is enclosed in <p> .. </p> so this works.
            text = StringUtils.replaceAll(text, "<br /><br />", "</p><p>");
            text = StringUtils.replaceAll(text, "<br />", " ");
            map.put("text", text);
        }
        String link = topic.toLowerCase();
        link = link.replace(' ', '_');
        // link = StringUtils.replaceAll(link, "_", "");
        link = link.replace('@', '_');
        map.put("link", StringUtils.urlEncode(link));
        list.add(map);
    }
    session.put(key, list);
    int div = 3;
    int part = (list.size() + div - 1) / div;
    for (int i = 0, start = 0; i < div; i++, start += part) {
        List<HashMap<String, String>> listThird = list.subList(start, Math.min(start + part, list.size()));
        session.put(key + "-" + i, listThird);
    }
    rs.close();
}