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package com.vaadin.tests.server;
import static org.junit.Assert.assertTrue;
import java.util.Date;
import org.junit.Test;
import com.vaadin.v7.data.util.ObjectProperty;
import com.vaadin.v7.data.util.PropertyFormatter;
@SuppressWarnings("unchecked")
public class PropertyFormatterTest {
class TestFormatter extends PropertyFormatter {
@Override
public String format(Object value) {
boolean isCorrectType = getExpectedClass()
.isAssignableFrom(value.getClass());
assertTrue(isCorrectType);
return "FOO";
}
@Override
public Object parse(String formattedValue) throws Exception {
return getExpectedClass().newInstance();
}
}
@SuppressWarnings("rawtypes")
private Class expectedClass;
@SuppressWarnings("rawtypes")
private Class getExpectedClass() {
return expectedClass;
}
/**
* The object passed to format should be same as property's type.
*
* @throws IllegalAccessException
* @throws InstantiationException
*/
@Test
@SuppressWarnings({ "rawtypes" })
public void testCorrectTypeForFormat()
throws InstantiationException, IllegalAccessException {
Class[] testedTypes = { Integer.class, Boolean.class,
Double.class, String.class, Date.class };
Object[] testValues = { 3, false,
3.3D, "bar", new Date() };
int i = 0;
for (Class class1 : testedTypes) {
expectedClass = class1;
TestFormatter formatter = new TestFormatter();
// Should just return null, without formatting
Object value = formatter.getValue();
// test with property which value is null
formatter.setPropertyDataSource(
new ObjectProperty(null, expectedClass));
formatter.getValue(); // calls format
// test with a value
formatter.setPropertyDataSource(
new ObjectProperty(testValues[i++], expectedClass));
formatter.getValue(); // calls format
}
}
}
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