/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.apache.harmony.tests.java.text;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.InvalidObjectException;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.text.DateFormat;
import java.text.DateFormat.Field;
import java.util.Calendar;
import junit.framework.TestCase;
public class DataFormatFieldTest extends TestCase{
public void test_ConstructorLjava_lang_StringLjava_lang_String() {
// Regression for HARMONY-178
MyField field = new MyField("day of month", Calendar.ERA);
assertEquals("field has wrong name", "day of month", field.getName());
assertEquals("field has wrong Calendar field number", Calendar.ERA,
field.getCalendarField());
DateFormat.Field realField = DateFormat.Field
.ofCalendarField(Calendar.ERA);
assertSame("Modified calendar field with the same field number",
DateFormat.Field.ERA, realField);
DateFormat.Field realField2 = DateFormat.Field
.ofCalendarField(Calendar.DAY_OF_MONTH);
assertSame("Modified calendar field with the same field number",
DateFormat.Field.DAY_OF_MONTH, realField2);
}
static class MyField extends DateFormat.Field {
private static final long serialVersionUID = 1L;
protected MyField(String fieldName, int calendarField) {
super(fieldName, calendarField);
}
protected String getName() {
return super.getName();
}
}
/**
* @tests java.text.DateFormat$Field#Field(java.lang.String, int)
*/
public void test_ConstructorLjava_lang_StringI() {
MyField field = new MyField("a field", Calendar.DAY_OF_WEEK);
assertEquals("field has wrong name", "a field", field.getName());
assertEquals("field has wrong Calendar field number",
Calendar.DAY_OF_WEEK, field.getCalendarField());
DateFormat.Field realField = DateFormat.Field
.ofCalendarField(Calendar.DAY_OF_WEEK);
assertSame("Modified calendar field with the same field number",
DateFormat.Field.DAY_OF_WEEK, realField);
}
/**
* @tests java.text.DateFormat$Field#Field(java.lang.String, int)
*/
public void test_Constructor2() {
MyField field = new MyField("day of month", Calendar.ERA);
assertEquals("field has wrong name", "day of month", field.getName());
assertEquals("field has wrong Calendar field number", Calendar.ERA,
field.getCalendarField());
DateFormat.Field realField = DateFormat.Field
.ofCalendarField(Calendar.ERA);
assertSame("Modified calendar field with the same field number",
DateFormat.Field.ERA, realField);
DateFormat.Field realField2 = DateFormat.Field
.ofCalendarField(Calendar.DAY_OF_MONTH);
assertSame("Modified calendar field with the same field number",
DateFormat.Field.DAY_OF_MONTH, realField2);
}
/**
* @tests java.text.DateFormat$Field#getCalendarField()
*/
public void test_getCalendarField() {
// Test for method int getCalendarField()
assertEquals("Field.AM_PM.getCalendarField() returned the wrong value",
Calendar.AM_PM, Field.AM_PM.getCalendarField());
// test special cases
assertEquals(
"Field.TIME_ZONE.getCalendarField() returned the wrong value",
-1, Field.TIME_ZONE.getCalendarField());
assertEquals("Field.HOUR0.getCalendarField() returned the wrong value",
Calendar.HOUR, Field.HOUR0.getCalendarField());
assertEquals("Field.HOUR1.getCalendarField() returned the wrong value",
-1, Field.HOUR1.getCalendarField());
assertEquals(
"Field.HOUR_OF_DAY0.getCalendarField() returned the wrong value",
Calendar.HOUR_OF_DAY, Field.HOUR_OF_DAY0.getCalendarField());
assertEquals(
"Field.HOUR_OF_DAY1.getCalendarField() returned the wrong value",
-1, Field.HOUR_OF_DAY1.getCalendarField());
}
/**
* @tests java.text.DateFormat$Field#ofCalendarField(int)
*/
public void test_ofCalendarFieldI() {
// Test for method static java.text.DateFormat.Field
// ofCalendarField(int)
assertSame("ofCalendarField(Calendar.AM_PM) returned the wrong value",
Field.AM_PM, Field.ofCalendarField(Calendar.AM_PM));
// test special cases
assertSame("ofCalendarField(Calendar.HOUR) returned the wrong value",
Field.HOUR0, Field.ofCalendarField(Calendar.HOUR));
assertSame(
"ofCalendarField(Calendar.HOUR_OF_DAY) returned the wrong value",
Field.HOUR_OF_DAY0, Field.ofCalendarField(Calendar.HOUR_OF_DAY));
// test illegal args
try {
DateFormat.Field.ofCalendarField(-1);
fail("Expected IllegalArgumentException for ofCalendarField(-1)");
} catch (IllegalArgumentException e) {
}
try {
DateFormat.Field.ofCalendarField(Calendar.FIELD_COUNT);
fail("Expected IllegalArgumentException for ofCalendarField(Calendar.FIELD_COUNT)");
} catch (IllegalArgumentException e) {
}
// test Calendar fields that do not have corresponding DateFormat Fields
assertNull(
"ofCalendarField(Calendar.DST_OFFSET) returned the wrong value",
DateFormat.Field.ofCalendarField(Calendar.DST_OFFSET));
assertNull(
"ofCalendarField(Calendar.ZONE_OFFSET) returned the wrong value",
DateFormat.Field.ofCalendarField(Calendar.ZONE_OFFSET));
}
/**
* @tests java.text.DateFormat$Field#readResolve()
*/
public void test_readResolve() {
// test for method java.lang.Object readResolve()
// see serialization stress tests:
// implemented in
// SerializationStressTest4.test_writeObject_NumberFormat_Field()
ObjectOutputStream out = null;
ObjectInputStream in = null;
try {
ByteArrayOutputStream bytes = new ByteArrayOutputStream();
out = new ObjectOutputStream(bytes);
DateFormat.Field dfield, dfield2;
MyField field;
// a regular instance of DateFormat.Field
dfield = DateFormat.Field.MILLISECOND;
// a subclass instance with null name
field = new MyField(null, Calendar.AM_PM);
out.writeObject(dfield);
out.writeObject(field);
in = new ObjectInputStream(new ByteArrayInputStream(bytes
.toByteArray()));
try {
dfield2 = (Field) in.readObject();
assertSame("resolved incorrectly", dfield, dfield2);
} catch (IllegalArgumentException e) {
fail("Unexpected IllegalArgumentException: " + e);
}
try {
in.readObject();
fail("Expected InvalidObjectException for subclass instance with null name");
} catch (InvalidObjectException e) {
}
} catch (IOException e) {
fail("unexpected IOException" + e);
} catch (ClassNotFoundException e) {
fail("unexpected ClassNotFoundException" + e);
} finally {
try {
if (out != null)
out.close();
if (in != null)
in.close();
} catch (IOException e) {
}
}
}
}