Examples with BufferRecycler com.fasterxml.jackson.core.util.BufferRecycler used on opensource projects

Example 11 with BufferRecycler

use of com.fasterxml.jackson.core.util.BufferRecycler in project jackson-core by FasterXML.

the class UTF8WriterTest method testSimple.

public void testSimple() throws Exception {
    BufferRecycler rec = new BufferRecycler();
    IOContext ctxt = new IOContext(rec, null, false);
    ByteArrayOutputStream out = new ByteArrayOutputStream();
    UTF8Writer w = new UTF8Writer(ctxt, out);
    String str = "AB\u00A0\u1AE9\uFFFC";
    char[] ch = str.toCharArray();
    // Let's write 3 times, using different methods
    w.write(str);
    w.append(ch[0]);
    w.write(ch[1]);
    w.write(ch, 2, 3);
    w.flush();
    w.write(str, 0, str.length());
    w.close();
    // and thus should have 3 times contents
    byte[] data = out.toByteArray();
    assertEquals(3 * 10, data.length);
    String act = out.toString("UTF-8");
    assertEquals(15, act.length());
    assertEquals(3 * str.length(), act.length());
    assertEquals(str + str + str, act);
}

Example 12 with BufferRecycler

use of com.fasterxml.jackson.core.util.BufferRecycler in project jackson-core by FasterXML.

the class UTF8WriterTest method testSimpleAscii.

public void testSimpleAscii() throws Exception {
    BufferRecycler rec = new BufferRecycler();
    IOContext ctxt = new IOContext(rec, null, false);
    ByteArrayOutputStream out = new ByteArrayOutputStream();
    UTF8Writer w = new UTF8Writer(ctxt, out);
    String str = "abcdefghijklmnopqrst\u00A0";
    char[] ch = str.toCharArray();
    w.write(ch, 0, ch.length);
    // trigger different code path for close
    w.flush();
    w.close();
    byte[] data = out.toByteArray();
    // one 2-byte encoded char
    assertEquals(ch.length + 1, data.length);
    String act = out.toString("UTF-8");
    assertEquals(str, act);
}

Example 13 with BufferRecycler

use of com.fasterxml.jackson.core.util.BufferRecycler in project jackson-core by FasterXML.

the class UTF8WriterTest method testSurrogatesOk.

public void testSurrogatesOk() throws Exception {
    BufferRecycler rec = new BufferRecycler();
    IOContext ctxt = new IOContext(rec, null, false);
    ByteArrayOutputStream out = new ByteArrayOutputStream();
    UTF8Writer w = new UTF8Writer(ctxt, out);
    // First, valid case, char by char
    w.write(0xD83D);
    w.write(0xDE03);
    w.close();
    assertEquals(4, out.size());
    final byte[] EXP_SURROGATES = new byte[] { (byte) 0xF0, (byte) 0x9F, (byte) 0x98, (byte) 0x83 };
    Assert.assertArrayEquals(EXP_SURROGATES, out.toByteArray());
    // and then as String
    ctxt = new IOContext(rec, null, false);
    out = new ByteArrayOutputStream();
    w = new UTF8Writer(ctxt, out);
    w.write("\uD83D\uDE03");
    w.close();
    assertEquals(4, out.size());
    Assert.assertArrayEquals(EXP_SURROGATES, out.toByteArray());
}

Example 14 with BufferRecycler

use of com.fasterxml.jackson.core.util.BufferRecycler in project jackson-core by FasterXML.

the class UTF8WriterTest method testSurrogatesFail.

@SuppressWarnings("resource")
public void testSurrogatesFail() throws Exception {
    BufferRecycler rec = new BufferRecycler();
    IOContext ctxt;
    ByteArrayOutputStream out;
    UTF8Writer w;
    ctxt = new IOContext(rec, null, false);
    out = new ByteArrayOutputStream();
    w = new UTF8Writer(ctxt, out);
    try {
        w.write(0xDE03);
        fail("should not pass");
    } catch (IOException e) {
        verifyException(e, "Unmatched second part");
    }
    ctxt = new IOContext(rec, null, false);
    out = new ByteArrayOutputStream();
    w = new UTF8Writer(ctxt, out);
    w.write(0xD83D);
    try {
        w.write('a');
        fail("should not pass");
    } catch (IOException e) {
        verifyException(e, "Broken surrogate pair");
    }
    ctxt = new IOContext(rec, null, false);
    out = new ByteArrayOutputStream();
    w = new UTF8Writer(ctxt, out);
    try {
        w.write("\uDE03");
        fail("should not pass");
    } catch (IOException e) {
        verifyException(e, "Unmatched second part");
    }
    ctxt = new IOContext(rec, null, false);
    out = new ByteArrayOutputStream();
    w = new UTF8Writer(ctxt, out);
    try {
        w.write("\uD83Da");
        fail("should not pass");
    } catch (IOException e) {
        verifyException(e, "Broken surrogate pair");
    }
}

Example 15 with BufferRecycler

use of com.fasterxml.jackson.core.util.BufferRecycler in project jackson-core by FasterXML.

the class SegmentedStringWriterTest method testSimple.

public void testSimple() throws Exception {
    BufferRecycler br = new BufferRecycler();
    SegmentedStringWriter w = new SegmentedStringWriter(br);
    StringBuilder exp = new StringBuilder();
    for (int i = 0; exp.length() < 100; ++i) {
        String nr = String.valueOf(i);
        exp.append(' ').append(nr);
        w.append(' ');
        switch(i % 4) {
            case 0:
                w.append(nr);
                break;
            case 1:
                {
                    String str = "  " + nr;
                    w.append(str, 2, str.length());
                }
                break;
            case 2:
                w.write(nr.toCharArray());
                break;
            default:
                {
                    char[] ch = (" " + nr + " ").toCharArray();
                    w.write(ch, 1, nr.length());
                }
                break;
        }
    }
    // flush, close are nops but trigger just for fun
    w.flush();
    w.close();
    String act = w.getAndClear();
    assertEquals(exp.toString(), act);
}