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package com.vaadin.data.util;
import junit.framework.TestCase;
import org.junit.Assert;
public class ObjectPropertyTest extends TestCase {
public static class TestSuperClass {
private String name;
public TestSuperClass(String name) {
this.name = name;
}
public String getName() {
return name;
}
@Override
public String toString() {
return getName();
}
}
public static class TestSubClass extends TestSuperClass {
public TestSubClass(String name) {
super("Subclass: " + name);
}
}
private TestSuperClass super1 = new TestSuperClass("super1");
private TestSubClass sub1 = new TestSubClass("sub1");
public void testSimple() {
ObjectProperty<TestSuperClass> prop1 = new ObjectProperty<TestSuperClass>(
super1, TestSuperClass.class);
Assert.assertEquals("super1", prop1.getValue().getName());
prop1 = new ObjectProperty<TestSuperClass>(super1);
Assert.assertEquals("super1", prop1.getValue().getName());
ObjectProperty<TestSubClass> prop2 = new ObjectProperty<TestSubClass>(
sub1, TestSubClass.class);
Assert.assertEquals("Subclass: sub1", prop2.getValue().getName());
prop2 = new ObjectProperty<TestSubClass>(sub1);
Assert.assertEquals("Subclass: sub1", prop2.getValue().getName());
}
public void testSetValueObjectSuper() {
ObjectProperty<TestSuperClass> prop = new ObjectProperty<TestSuperClass>(
super1, TestSuperClass.class);
Assert.assertEquals("super1", prop.getValue().getName());
prop.setValue(new TestSuperClass("super2"));
Assert.assertEquals("super1", super1.getName());
Assert.assertEquals("super2", prop.getValue().getName());
}
public void testSetValueObjectSub() {
ObjectProperty<TestSubClass> prop = new ObjectProperty<TestSubClass>(
sub1, TestSubClass.class);
Assert.assertEquals("Subclass: sub1", prop.getValue().getName());
prop.setValue(new TestSubClass("sub2"));
Assert.assertEquals("Subclass: sub1", sub1.getName());
Assert.assertEquals("Subclass: sub2", prop.getValue().getName());
}
public void testSetValueStringSuper() {
ObjectProperty<TestSuperClass> prop = new ObjectProperty<TestSuperClass>(
super1, TestSuperClass.class);
Assert.assertEquals("super1", prop.getValue().getName());
prop.setValue(new TestSuperClass("super2"));
Assert.assertEquals("super1", super1.getName());
Assert.assertEquals("super2", prop.getValue().getName());
}
public void testSetValueStringSub() {
ObjectProperty<TestSubClass> prop = new ObjectProperty<TestSubClass>(
sub1, TestSubClass.class);
Assert.assertEquals("Subclass: sub1", prop.getValue().getName());
prop.setValue(new TestSubClass("sub2"));
Assert.assertEquals("Subclass: sub1", sub1.getName());
Assert.assertEquals("Subclass: sub2", prop.getValue().getName());
}
public void testMixedGenerics() {
ObjectProperty<TestSuperClass> prop = new ObjectProperty<TestSuperClass>(
sub1);
Assert.assertEquals("Subclass: sub1", prop.getValue().getName());
Assert.assertEquals(prop.getType(), TestSubClass.class);
// create correct subclass based on the runtime type of the instance
// given to ObjectProperty constructor, which is a subclass of the type
// parameter
prop.setValue(new TestSubClass("sub2"));
Assert.assertEquals("Subclass: sub2", prop.getValue().getName());
}
}
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