/*
* Copyright 2001-2009 Stephen Colebourne
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.joda.time.field;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import junit.framework.TestCase;
import junit.framework.TestSuite;
import org.joda.time.DurationField;
import org.joda.time.DurationFieldType;
import org.joda.time.chrono.ISOChronology;
/**
* This class is a Junit unit test for PreciseDurationField.
*
* @author Stephen Colebourne
*/
public class TestScaledDurationField extends TestCase {
private static final long LONG_INTEGER_MAX = Integer.MAX_VALUE;
private static final int INTEGER_MAX = Integer.MAX_VALUE;
private static final long LONG_MAX = Long.MAX_VALUE;
private ScaledDurationField iField;
public static void main(String[] args) {
junit.textui.TestRunner.run(suite());
}
public static TestSuite suite() {
return new TestSuite(TestScaledDurationField.class);
}
public TestScaledDurationField(String name) {
super(name);
}
protected void setUp() throws Exception {
DurationField base = MillisDurationField.INSTANCE;
iField = new ScaledDurationField(base, DurationFieldType.minutes(), 90);
}
protected void tearDown() throws Exception {
iField = null;
}
//-----------------------------------------------------------------------
public void test_constructor() {
try {
new ScaledDurationField(null, DurationFieldType.minutes(), 10);
fail();
} catch (IllegalArgumentException ex) {}
try {
new ScaledDurationField(MillisDurationField.INSTANCE, null, 10);
fail();
} catch (IllegalArgumentException ex) {}
try {
new ScaledDurationField(MillisDurationField.INSTANCE, DurationFieldType.minutes(), 0);
fail();
} catch (IllegalArgumentException ex) {}
try {
new ScaledDurationField(MillisDurationField.INSTANCE, DurationFieldType.minutes(), 1);
fail();
} catch (IllegalArgumentException ex) {}
}
public void test_getScalar() {
assertEquals(90, iField.getScalar());
}
//-----------------------------------------------------------------------
public void test_getType() {
assertEquals(DurationFieldType.minutes(), iField.getType());
}
public void test_getName() {
assertEquals("minutes", iField.getName());
}
public void test_isSupported() {
assertEquals(true, iField.isSupported());
}
public void test_isPrecise() {
assertEquals(true, iField.isPrecise());
}
public void test_getUnitMillis() {
assertEquals(90, iField.getUnitMillis());
}
public void test_toString() {
assertEquals("DurationField[minutes]", iField.toString());
}
//-----------------------------------------------------------------------
public void test_getValue_long() {
assertEquals(0, iField.getValue(0L));
assertEquals(12345678 / 90, iField.getValue(12345678L));
assertEquals(-1234 / 90, iField.getValue(-1234L));
assertEquals(INTEGER_MAX / 90, iField.getValue(LONG_INTEGER_MAX));
try {
iField.getValue(LONG_INTEGER_MAX + 1L);
fail();
} catch (ArithmeticException ex) {}
}
public void test_getValueAsLong_long() {
assertEquals(0L, iField.getValueAsLong(0L));
assertEquals(12345678L / 90, iField.getValueAsLong(12345678L));
assertEquals(-1234 / 90L, iField.getValueAsLong(-1234L));
assertEquals(LONG_INTEGER_MAX + 1L, iField.getValueAsLong(LONG_INTEGER_MAX * 90L + 90L));
}
public void test_getValue_long_long() {
assertEquals(0, iField.getValue(0L, 567L));
assertEquals(12345678 / 90, iField.getValue(12345678L, 567L));
assertEquals(-1234 / 90, iField.getValue(-1234L, 567L));
assertEquals(INTEGER_MAX / 90, iField.getValue(LONG_INTEGER_MAX, 567L));
try {
iField.getValue(LONG_INTEGER_MAX + 1L, 567L);
fail();
} catch (ArithmeticException ex) {}
}
public void test_getValueAsLong_long_long() {
assertEquals(0L, iField.getValueAsLong(0L, 567L));
assertEquals(12345678 / 90L, iField.getValueAsLong(12345678L, 567L));
assertEquals(-1234 / 90L, iField.getValueAsLong(-1234L, 567L));
assertEquals(LONG_INTEGER_MAX + 1L, iField.getValueAsLong(LONG_INTEGER_MAX * 90L + 90L, 567L));
}
//-----------------------------------------------------------------------
public void test_getMillis_int() {
assertEquals(0, iField.getMillis(0));
assertEquals(1234L * 90L, iField.getMillis(1234));
assertEquals(-1234L * 90L, iField.getMillis(-1234));
assertEquals(LONG_INTEGER_MAX * 90L, iField.getMillis(INTEGER_MAX));
}
public void test_getMillis_long() {
assertEquals(0L, iField.getMillis(0L));
assertEquals(1234L * 90L, iField.getMillis(1234L));
assertEquals(-1234L * 90L, iField.getMillis(-1234L));
try {
iField.getMillis(LONG_MAX);
fail();
} catch (ArithmeticException ex) {}
}
public void test_getMillis_int_long() {
assertEquals(0L, iField.getMillis(0, 567L));
assertEquals(1234L * 90L, iField.getMillis(1234, 567L));
assertEquals(-1234L * 90L, iField.getMillis(-1234, 567L));
assertEquals(LONG_INTEGER_MAX * 90L, iField.getMillis(INTEGER_MAX, 567L));
}
public void test_getMillis_long_long() {
assertEquals(0L, iField.getMillis(0L, 567L));
assertEquals(1234L * 90L, iField.getMillis(1234L, 567L));
assertEquals(-1234L * 90L, iField.getMillis(-1234L, 567L));
try {
iField.getMillis(LONG_MAX, 567L);
fail();
} catch (ArithmeticException ex) {}
}
//-----------------------------------------------------------------------
public void test_add_long_int() {
assertEquals(567L, iField.add(567L, 0));
assertEquals(567L + 1234L * 90L, iField.add(567L, 1234));
assertEquals(567L - 1234L * 90L, iField.add(567L, -1234));
try {
iField.add(LONG_MAX, 1);
fail();
} catch (ArithmeticException ex) {}
}
public void test_add_long_long() {
assertEquals(567L, iField.add(567L, 0L));
assertEquals(567L + 1234L * 90L, iField.add(567L, 1234L));
assertEquals(567L - 1234L * 90L, iField.add(567L, -1234L));
try {
iField.add(LONG_MAX, 1L);
fail();
} catch (ArithmeticException ex) {}
try {
iField.add(1L, LONG_MAX);
fail();
} catch (ArithmeticException ex) {}
}
//-----------------------------------------------------------------------
public void test_getDifference_long_int() {
assertEquals(0, iField.getDifference(1L, 0L));
assertEquals(567, iField.getDifference(567L * 90L, 0L));
assertEquals(567 - 1234, iField.getDifference(567L * 90L, 1234L * 90L));
assertEquals(567 + 1234, iField.getDifference(567L * 90L, -1234L * 90L));
try {
iField.getDifference(LONG_MAX, -1L);
fail();
} catch (ArithmeticException ex) {}
}
public void test_getDifferenceAsLong_long_long() {
assertEquals(0L, iField.getDifferenceAsLong(1L, 0L));
assertEquals(567L, iField.getDifferenceAsLong(567L * 90L, 0L));
assertEquals(567L - 1234L, iField.getDifferenceAsLong(567L * 90L, 1234L * 90L));
assertEquals(567L + 1234L, iField.getDifferenceAsLong(567L * 90L, -1234L * 90L));
try {
iField.getDifferenceAsLong(LONG_MAX, -1L);
fail();
} catch (ArithmeticException ex) {}
}
//-----------------------------------------------------------------------
public void test_equals() {
assertEquals(true, iField.equals(iField));
assertEquals(false, iField.equals(ISOChronology.getInstance().minutes()));
DurationField dummy = new ScaledDurationField(MillisDurationField.INSTANCE, DurationFieldType.minutes(), 2);
assertEquals(false, iField.equals(dummy));
dummy = new ScaledDurationField(MillisDurationField.INSTANCE, DurationFieldType.minutes(), 90);
assertEquals(true, iField.equals(dummy));
dummy = new ScaledDurationField(MillisDurationField.INSTANCE, DurationFieldType.millis(), 90);
assertEquals(false, iField.equals(dummy));
assertEquals(false, iField.equals(""));
assertEquals(false, iField.equals(null));
}
public void test_hashCode() {
assertEquals(iField.hashCode(), iField.hashCode());
assertEquals(false, iField.hashCode() == ISOChronology.getInstance().minutes().hashCode());
DurationField dummy = new ScaledDurationField(MillisDurationField.INSTANCE, DurationFieldType.minutes(), 2);
assertEquals(false, iField.hashCode() == dummy.hashCode());
dummy = new ScaledDurationField(MillisDurationField.INSTANCE, DurationFieldType.minutes(), 90);
assertEquals(true, iField.hashCode() == dummy.hashCode());
dummy = new ScaledDurationField(MillisDurationField.INSTANCE, DurationFieldType.millis(), 90);
assertEquals(false, iField.hashCode() == dummy.hashCode());
}
//-----------------------------------------------------------------------
public void test_compareTo() {
assertEquals(0, iField.compareTo(iField));
assertEquals(-1, iField.compareTo(ISOChronology.getInstance().minutes()));
DurationField dummy = new PreciseDurationField(DurationFieldType.minutes(), 0);
assertEquals(1, iField.compareTo(dummy));
// try {
// iField.compareTo("");
// fail();
// } catch (ClassCastException ex) {}
try {
iField.compareTo(null);
fail();
} catch (NullPointerException ex) {}
}
//-----------------------------------------------------------------------
public void testSerialization() throws Exception {
DurationField test = iField;
ByteArrayOutputStream baos = new ByteArrayOutputStream();
ObjectOutputStream oos = new ObjectOutputStream(baos);
oos.writeObject(test);
byte[] bytes = baos.toByteArray();
oos.close();
ByteArrayInputStream bais = new ByteArrayInputStream(bytes);
ObjectInputStream ois = new ObjectInputStream(bais);
DurationField result = (DurationField) ois.readObject();
ois.close();
assertEquals(test, result);
}
}