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/*******************************************************************************
* Copyright (c) 2007, 2009 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
* Matthew Hall - bug 270461
******************************************************************************/
package org.eclipse.core.tests.databinding;
import java.math.BigDecimal;
import java.math.BigInteger;
import java.util.Date;
import org.eclipse.core.databinding.BindingException;
import org.eclipse.core.databinding.UpdateValueStrategy;
import org.eclipse.core.databinding.observable.value.IObservableValue;
import org.eclipse.core.databinding.observable.value.WritableValue;
import org.eclipse.core.databinding.validation.IValidator;
import org.eclipse.core.internal.databinding.conversion.IdentityConverter;
import org.eclipse.core.internal.databinding.validation.NumberToByteValidator;
import org.eclipse.core.internal.databinding.validation.NumberToDoubleValidator;
import org.eclipse.core.internal.databinding.validation.NumberToFloatValidator;
import org.eclipse.core.internal.databinding.validation.NumberToIntegerValidator;
import org.eclipse.core.internal.databinding.validation.NumberToLongValidator;
import org.eclipse.core.internal.databinding.validation.NumberToShortValidator;
import org.eclipse.core.internal.databinding.validation.NumberToUnboundedNumberValidator;
import org.eclipse.core.internal.databinding.validation.StringToByteValidator;
import org.eclipse.core.internal.databinding.validation.StringToDateValidator;
import org.eclipse.core.internal.databinding.validation.StringToDoubleValidator;
import org.eclipse.core.internal.databinding.validation.StringToFloatValidator;
import org.eclipse.core.internal.databinding.validation.StringToIntegerValidator;
import org.eclipse.core.internal.databinding.validation.StringToLongValidator;
import org.eclipse.core.internal.databinding.validation.StringToShortValidator;
import org.eclipse.jface.tests.databinding.AbstractDefaultRealmTestCase;
/**
* @since 1.1
*/
public class UpdateValueStrategyTest extends AbstractDefaultRealmTestCase {
public void testDefaultValidatorForStringToInteger() throws Exception {
assertDefaultValidator(String.class, Integer.class,
StringToIntegerValidator.class);
}
public void testDefaultValidatorForStringToIntegerPrimitive()
throws Exception {
assertDefaultValidator(String.class, Integer.TYPE,
StringToIntegerValidator.class);
}
public void testDefaultValidatorForStringToLong() throws Exception {
assertDefaultValidator(String.class, Long.class,
StringToLongValidator.class);
}
public void testDefaultValidatorForStringToLongPrimitive() throws Exception {
assertDefaultValidator(String.class, Long.TYPE,
StringToLongValidator.class);
}
public void testDefaultValidatorForStringToFloat() throws Exception {
assertDefaultValidator(String.class, Float.class,
StringToFloatValidator.class);
}
public void testDefaultValidatorForStringToFloatPrimitive()
throws Exception {
assertDefaultValidator(String.class, Float.TYPE,
StringToFloatValidator.class);
}
public void testDefaultValidatorForStringToDouble() throws Exception {
assertDefaultValidator(String.class, Double.class,
StringToDoubleValidator.class);
}
public void testDefaultValidatorForStringToDoublePrimitive()
throws Exception {
assertDefaultValidator(String.class, Double.TYPE,
StringToDoubleValidator.class);
}
public void testDefaultValidatorForStringToByte() throws Exception {
assertDefaultValidator(String.class, Byte.class,
StringToByteValidator.class);
}
public void testDefaultValidatorForStringToBytePrimitive() throws Exception {
assertDefaultValidator(String.class, Byte.TYPE,
StringToByteValidator.class);
}
public void testDefaultValidatorForStringToShort() throws Exception {
assertDefaultValidator(String.class, Short.class,
StringToShortValidator.class);
}
public void testDefaultValidatorForStringToShortPrimitive()
throws Exception {
assertDefaultValidator(String.class, Short.TYPE,
StringToShortValidator.class);
}
public void testDefaultValidatorForStringToDate() throws Exception {
assertDefaultValidator(String.class, Date.class,
StringToDateValidator.class);
}
public void testDefaultValidatorForNumberToByte() throws Exception {
assertDefaultValidator(Integer.class, Byte.class,
NumberToByteValidator.class);
}
public void testDefaultValidatorForNumberToShort() throws Exception {
assertDefaultValidator(Integer.class, Short.class,
NumberToShortValidator.class);
}
public void testDefaultValidatorForNumberToInteger() throws Exception {
assertDefaultValidator(Short.class, Integer.class,
NumberToIntegerValidator.class);
}
public void testDefaultValidatorForNumberToLong() throws Exception {
assertDefaultValidator(Short.class, Long.class,
NumberToLongValidator.class);
}
public void testDefaultValidatorForNumberToFloat() throws Exception {
assertDefaultValidator(Short.class, Float.class,
NumberToFloatValidator.class);
}
public void testDefaultValidatorForNumberToDouble() throws Exception {
assertDefaultValidator(Short.class, Double.class,
NumberToDoubleValidator.class);
}
public void testDefaultValidatorForNumberToBigInteger() throws Exception {
assertDefaultValidator(Short.class, BigInteger.class,
NumberToUnboundedNumberValidator.class);
}
public void testDefaultValidatorForNumberToBigDecimal() throws Exception {
assertDefaultValidator(Short.class, BigDecimal.class,
NumberToUnboundedNumberValidator.class);
}
public void testCachesDefaultedValidators() throws Exception {
WritableValue source = WritableValue.withValueType(String.class);
WritableValue destination = WritableValue.withValueType(Integer.class);
UpdateValueStrategyStub strategy = new UpdateValueStrategyStub();
strategy.fillDefaults(source, destination);
IValidator validator = strategy.validator;
assertNotNull(validator);
strategy = new UpdateValueStrategyStub();
strategy.fillDefaults(source, destination);
assertSame(validator, strategy.validator);
}
public void testFillDefaults_AssertSourceTypeExtendsConverterFromType() {
// Valid use: source type String extends converter from-type Object
UpdateValueStrategyStub strategy = new UpdateValueStrategyStub();
strategy
.setConverter(new IdentityConverter(Object.class, Object.class));
strategy.fillDefaults(WritableValue.withValueType(String.class),
WritableValue.withValueType(Object.class));
// Invalid use: source type Object does not extend converter from-type
// String
strategy = new UpdateValueStrategyStub();
strategy
.setConverter(new IdentityConverter(String.class, Object.class));
try {
strategy.fillDefaults(WritableValue.withValueType(Object.class),
WritableValue.withValueType(Object.class));
fail("Expected BindingException since Object does not extend String");
} catch (BindingException expected) {
}
}
public void testFillDefaults_AssertConverterToTypeExtendsDestinationType() {
// Valid use: converter to-type String extends destination type Object
UpdateValueStrategyStub strategy = new UpdateValueStrategyStub();
strategy
.setConverter(new IdentityConverter(Object.class, String.class));
strategy.fillDefaults(WritableValue.withValueType(Object.class),
WritableValue.withValueType(Object.class));
// Invalid use: converter to-type Object does not extend destination
// type String
strategy = new UpdateValueStrategyStub();
strategy
.setConverter(new IdentityConverter(Object.class, Object.class));
try {
strategy.fillDefaults(WritableValue.withValueType(Object.class),
WritableValue.withValueType(String.class));
fail("Expected BindingException since Object does not extend String");
} catch (BindingException expected) {
}
}
private void assertDefaultValidator(Class fromType, Class toType,
Class validatorType) {
WritableValue source = WritableValue.withValueType(fromType);
WritableValue destination = WritableValue.withValueType(toType);
UpdateValueStrategyStub strategy = new UpdateValueStrategyStub();
strategy.fillDefaults(source, destination);
IValidator validator = strategy.validator;
assertNotNull("validator not null", validator);
assertTrue("converter instanceof " + validatorType, validatorType
.isInstance(validator));
}
class UpdateValueStrategyStub extends UpdateValueStrategy {
IValidator validator;
protected void fillDefaults(IObservableValue source,
IObservableValue destination) {
super.fillDefaults(source, destination);
}
protected IValidator createValidator(Object fromType, Object toType) {
validator = super.createValidator(fromType, toType);
return validator;
}
}
}
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