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

Example 71 with CharArrayWriter

use of java.io.CharArrayWriter in project j2objc by google.

the class OldCharArrayWriterTest method test_appendLjava_langCharSequenceII.

public void test_appendLjava_langCharSequenceII() {
    String testString = "My Test String";
    CharArrayWriter writer = new CharArrayWriter(10);
    // Illegal argument checks.
    try {
        writer.append(testString, -1, 0);
        fail("Test 1: IndexOutOfBoundsException expected.");
    } catch (IndexOutOfBoundsException e) {
    // Expected.
    }
    try {
        writer.append(testString, 0, -1);
        fail("Test 2: IndexOutOfBoundsException expected.");
    } catch (IndexOutOfBoundsException e) {
    // Expected.
    }
    try {
        writer.append(testString, 1, 0);
        fail("Test 3: IndexOutOfBoundsException expected.");
    } catch (IndexOutOfBoundsException e) {
    // Expected.
    }
    try {
        writer.append(testString, 1, testString.length() + 1);
        fail("Test 4: IndexOutOfBoundsException expected.");
    } catch (IndexOutOfBoundsException e) {
    // Expected.
    }
    writer.append(testString, 1, 3);
    writer.flush();
    assertEquals("Test 5: Appending failed;", testString.substring(1, 3), writer.toString());
    writer.close();
}

Example 72 with CharArrayWriter

use of java.io.CharArrayWriter in project aerosolve by airbnb.

the class MlpModelTest method testLoad.

@Test
public void testLoad() {
    CharArrayWriter charWriter = new CharArrayWriter();
    BufferedWriter writer = new BufferedWriter(charWriter);
    // create header record
    ModelHeader header = new ModelHeader();
    header.setModelType("multilayer_perceptron");
    header.setNumHiddenLayers(1);
    ArrayList<Integer> nodeNum = new ArrayList<>(2);
    nodeNum.add(3);
    nodeNum.add(1);
    header.setNumberHiddenNodes(nodeNum);
    header.setNumRecords(2);
    ModelRecord record1 = new ModelRecord();
    record1.setModelHeader(header);
    // create records for input layer
    ModelRecord record2 = new ModelRecord();
    record2.setFeatureFamily("in");
    record2.setFeatureName("a");
    ArrayList<Double> in1 = new ArrayList<>();
    in1.add(0.0);
    in1.add(1.0);
    in1.add(1.0);
    record2.setWeightVector(in1);
    ModelRecord record3 = new ModelRecord();
    record3.setFeatureFamily("in");
    record3.setFeatureName("b");
    ArrayList<Double> in2 = new ArrayList<>();
    in2.add(1.0);
    in2.add(1.0);
    in2.add(0.0);
    record3.setWeightVector(in2);
    // create records for bias
    ModelRecord record4 = new ModelRecord();
    ArrayList<Double> b1 = new ArrayList<>();
    b1.add(0.0);
    b1.add(0.0);
    b1.add(0.0);
    record4.setWeightVector(b1);
    record4.setFunctionForm(FunctionForm.RELU);
    ModelRecord record5 = new ModelRecord();
    ArrayList<Double> b2 = new ArrayList<>();
    b2.add(0.0);
    record5.setWeightVector(b2);
    record5.setFunctionForm(FunctionForm.RELU);
    // create records for hidden layer
    ModelRecord record6 = new ModelRecord();
    ArrayList<Double> h1 = new ArrayList<>();
    h1.add(0.5);
    record6.setWeightVector(h1);
    ModelRecord record7 = new ModelRecord();
    ArrayList<Double> h2 = new ArrayList<>();
    h2.add(1.0);
    record7.setWeightVector(h2);
    ModelRecord record8 = new ModelRecord();
    ArrayList<Double> h3 = new ArrayList<>();
    h3.add(2.0);
    record8.setWeightVector(h3);
    try {
        writer.write(Util.encode(record1) + "\n");
        writer.write(Util.encode(record2) + "\n");
        writer.write(Util.encode(record3) + "\n");
        writer.write(Util.encode(record4) + "\n");
        writer.write(Util.encode(record5) + "\n");
        writer.write(Util.encode(record6) + "\n");
        writer.write(Util.encode(record7) + "\n");
        writer.write(Util.encode(record8) + "\n");
        writer.close();
    } catch (IOException e) {
        assertTrue("Could not write", false);
    }
    String serialized = charWriter.toString();
    assertTrue(serialized.length() > 0);
    StringReader strReader = new StringReader(serialized);
    BufferedReader reader = new BufferedReader(strReader);
    FeatureVector fv = makeFeatureVector();
    try {
        Optional<AbstractModel> model = ModelFactory.createFromReader(reader);
        assertTrue(model.isPresent());
        float s = model.get().scoreItem(fv);
        assertEquals(s, 6.0f, 1e-10f);
    } catch (IOException e) {
        assertTrue("Could not read", false);
    }
}

Example 73 with CharArrayWriter

use of java.io.CharArrayWriter in project aerosolve by airbnb.

the class AdditiveModelTest method testLoad.

@Test
public void testLoad() {
    CharArrayWriter charWriter = new CharArrayWriter();
    BufferedWriter writer = new BufferedWriter(charWriter);
    ModelHeader header = new ModelHeader();
    header.setModelType("additive");
    header.setNumRecords(4);
    ArrayList<Double> ws = new ArrayList<Double>();
    ws.add(5.0);
    ws.add(10.0);
    ws.add(-20.0);
    ArrayList<Double> wl = new ArrayList<Double>();
    wl.add(1.0);
    wl.add(2.0);
    ModelRecord record1 = new ModelRecord();
    record1.setModelHeader(header);
    ModelRecord record2 = new ModelRecord();
    record2.setFunctionForm(FunctionForm.Spline);
    record2.setFeatureFamily("spline_float");
    record2.setFeatureName("aaa");
    record2.setWeightVector(ws);
    record2.setMinVal(1.0);
    record2.setMaxVal(3.0);
    ModelRecord record3 = new ModelRecord();
    record3.setFunctionForm(FunctionForm.Spline);
    record3.setFeatureFamily("spline_string");
    record3.setFeatureName("bbb");
    record3.setWeightVector(ws);
    record3.setMinVal(1.0);
    record3.setMaxVal(2.0);
    ModelRecord record4 = new ModelRecord();
    record4.setFunctionForm(FunctionForm.Linear);
    record4.setFeatureFamily("linear_float");
    record4.setFeatureName("ccc");
    record4.setWeightVector(wl);
    ModelRecord record5 = new ModelRecord();
    record5.setFunctionForm(FunctionForm.Linear);
    record5.setFeatureFamily("linear_string");
    record5.setFeatureName("ddd");
    record5.setWeightVector(wl);
    try {
        writer.write(Util.encode(record1) + "\n");
        writer.write(Util.encode(record2) + "\n");
        writer.write(Util.encode(record3) + "\n");
        writer.write(Util.encode(record4) + "\n");
        writer.write(Util.encode(record5) + "\n");
        writer.close();
    } catch (IOException e) {
        assertTrue("Could not write", false);
    }
    String serialized = charWriter.toString();
    assertTrue(serialized.length() > 0);
    StringReader strReader = new StringReader(serialized);
    BufferedReader reader = new BufferedReader(strReader);
    FeatureVector featureVector = makeFeatureVector(2.0f, 7.0f);
    try {
        Optional<AbstractModel> model = ModelFactory.createFromReader(reader);
        assertTrue(model.isPresent());
        float score = model.get().scoreItem(featureVector);
        assertEquals(8.0f + 10.0f + 15.0f, score, 0.001f);
    } catch (IOException e) {
        assertTrue("Could not read", false);
    }
}

Example 74 with CharArrayWriter

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

the class OldCharArrayWriterTest method test_appendLjava_langCharSequenceII.

public void test_appendLjava_langCharSequenceII() {
    String testString = "My Test String";
    CharArrayWriter writer = new CharArrayWriter(10);
    // Illegal argument checks.
    try {
        writer.append(testString, -1, 0);
        fail("Test 1: IndexOutOfBoundsException expected.");
    } catch (IndexOutOfBoundsException e) {
    // Expected.
    }
    try {
        writer.append(testString, 0, -1);
        fail("Test 2: IndexOutOfBoundsException expected.");
    } catch (IndexOutOfBoundsException e) {
    // Expected.
    }
    try {
        writer.append(testString, 1, 0);
        fail("Test 3: IndexOutOfBoundsException expected.");
    } catch (IndexOutOfBoundsException e) {
    // Expected.
    }
    try {
        writer.append(testString, 1, testString.length() + 1);
        fail("Test 4: IndexOutOfBoundsException expected.");
    } catch (IndexOutOfBoundsException e) {
    // Expected.
    }
    writer.append(testString, 1, 3);
    writer.flush();
    assertEquals("Test 5: Appending failed;", testString.substring(1, 3), writer.toString());
    writer.close();
}

Example 75 with CharArrayWriter

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

the class OldCharArrayWriterTest method test_write$CII_Exception.

public void test_write$CII_Exception() {
    char[] target = new char[10];
    cw = new CharArrayWriter();
    try {
        cw.write(target, -1, 1);
        fail("Test 1: IndexOutOfBoundsException expected.");
    } catch (IndexOutOfBoundsException e) {
    // Expected
    }
    try {
        cw.write(target, 0, -1);
        fail("Test 2: IndexOutOfBoundsException expected.");
    } catch (IndexOutOfBoundsException e) {
    // Expected
    }
    try {
        cw.write(target, 1, target.length);
        fail("Test 3: IndexOutOfBoundsException expected.");
    } catch (IndexOutOfBoundsException e) {
    // Expected
    }
    try {
        cw.write((char[]) null, 1, 1);
        fail("Test 4: NullPointerException expected.");
    } catch (NullPointerException e) {
    // Expected.
    }
}