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

Example 36 with PipedInputStream

use of java.io.PipedInputStream in project robovm by robovm.

the class Test method test_readClassDescriptor_1.

/*
     * Testing classDescriptor replacement with the value generated by
     * ObjectStreamClass.lookup() method.
     * Regression test for HARMONY-4638
     */
public void test_readClassDescriptor_1() throws IOException, ClassNotFoundException {
    A a = new A();
    a.name = "It's a test";
    PipedOutputStream pout = new PipedOutputStream();
    PipedInputStream pin = new PipedInputStream(pout);
    ObjectOutputStream out = new ObjectOutputStream(pout);
    ObjectInputStream in = new ObjectIutputStreamWithReadDesc2(pin, A.class);
    // test single object
    out.writeObject(a);
    A a1 = (A) in.readObject();
    assertEquals("Single case: incorrectly read the field of A", a.name, a1.name);
    // test cyclic reference
    HashMap m = new HashMap();
    a = new A();
    a.name = "It's a test 0";
    a1 = new A();
    a1.name = "It's a test 1";
    m.put("0", a);
    m.put("1", a1);
    out.writeObject(m);
    HashMap m1 = (HashMap) in.readObject();
    assertEquals("Incorrectly read the field of A", a.name, ((A) m1.get("0")).name);
    assertEquals("Incorrectly read the field of A1", a1.name, ((A) m1.get("1")).name);
}

Example 37 with PipedInputStream

use of java.io.PipedInputStream in project cdap by caskdata.

the class RecordWithString method testReduceProjection.

@Test
public void testReduceProjection() throws IOException, UnsupportedTypeException {
    PipedOutputStream output = new PipedOutputStream();
    PipedInputStream input = new PipedInputStream(output);
    Schema sourceSchema = new ReflectionSchemaGenerator().generate(MoreFields.class);
    Schema targetSchema = new ReflectionSchemaGenerator().generate(LessFields.class);
    MoreFields moreFields = new MoreFields(10, 20.2, "30", ImmutableList.of("1", "2"));
    new ReflectionDatumWriter<MoreFields>(sourceSchema).encode(moreFields, new BinaryEncoder(output));
    LessFields lessFields = new ReflectionDatumReader<>(targetSchema, TypeToken.of(LessFields.class)).read(new BinaryDecoder(input), sourceSchema);
    Assert.assertEquals("30", lessFields.k);
    Assert.assertEquals(moreFields.inner.b, lessFields.inner.b);
}

Example 38 with PipedInputStream

use of java.io.PipedInputStream in project cdap by caskdata.

the class ASMDatumCodecTest method testMap.

@Test
public void testMap() throws IOException, UnsupportedTypeException {
    TypeToken<Map<String, List<String>>> type = new TypeToken<Map<String, List<String>>>() {
    };
    PipedOutputStream os = new PipedOutputStream();
    PipedInputStream is = new PipedInputStream(os);
    DatumWriter<Map<String, List<String>>> writer = getWriter(type);
    ImmutableMap<String, List<String>> map = ImmutableMap.<String, List<String>>of("k1", Lists.newArrayList("v1"), "k2", Lists.newArrayList("v2", null));
    writer.encode(map, new BinaryEncoder(os));
    ReflectionDatumReader<Map<String, List<String>>> reader = new ReflectionDatumReader<>(getSchema(type), type);
    Assert.assertEquals(map, reader.read(new BinaryDecoder(is), getSchema(type)));
}

Example 39 with PipedInputStream

use of java.io.PipedInputStream in project cdap by caskdata.

the class ASMDatumCodecTest method testReferenceArray.

@Test
public void testReferenceArray() throws IOException, UnsupportedTypeException {
    TypeToken<String[]> type = new TypeToken<String[]>() {
    };
    PipedOutputStream os = new PipedOutputStream();
    PipedInputStream is = new PipedInputStream(os);
    String[] writeValue = new String[] { "1", "2", null, "3" };
    DatumWriter<String[]> writer = getWriter(type);
    writer.encode(writeValue, new BinaryEncoder(os));
    ReflectionDatumReader<String[]> reader = new ReflectionDatumReader<>(getSchema(type), type);
    String[] value = reader.read(new BinaryDecoder(is), getSchema(type));
    Assert.assertArrayEquals(writeValue, value);
}

Example 40 with PipedInputStream

use of java.io.PipedInputStream in project cdap by caskdata.

the class ASMDatumCodecTest method testRecordArray.

@Test
public void testRecordArray() throws IOException, UnsupportedTypeException {
    TypeToken<Record[][]> type = new TypeToken<Record[][]>() {
    };
    PipedOutputStream os = new PipedOutputStream();
    PipedInputStream is = new PipedInputStream(os);
    DatumWriter<Record[][]> writer = getWriter(type);
    Record[][] writeValue = new Record[][] { { new Record(10, "testing", ImmutableList.of("a", "b", "c"), TestEnum.VALUE2) } };
    writer.encode(writeValue, new BinaryEncoder(os));
    ReflectionDatumReader<Record[][]> reader = new ReflectionDatumReader<>(getSchema(type), type);
    Record[][] value = reader.read(new BinaryDecoder(is), getSchema(type));
    Assert.assertArrayEquals(writeValue, value);
}