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package groovy
import javax.swing.JButton
/**
* @version $Revision: 13693 $
*/
class ClosureListenerTest extends GroovySwingTestCase {
void testAddingAndRemovingAClosureListener() {
testInEDT {
def b = new JButton("foo")
b.actionPerformed = { println("Found ${it}") }
def size = b.actionListeners.size()
assert size == 1
def l = b.actionListeners[0]
def code = l.hashCode()
println("listener: ${l} with hashCode code ${code}")
assert l.toString() != "null"
assert !l.equals(b)
assert l.equals(l)
assert l.hashCode() != 0
b.removeActionListener(l)
println(b.actionListeners)
size = b.actionListeners.size()
assert size == 0
}
}
void testGettingAListenerProperty() {
testInEDT {
def b = new JButton("foo")
def foo = b.actionPerformed
assert foo == null
}
}
void testNonStandardListener() {
testInEDT {
def myWhat = null
def myWhere = null
def strangeBean = new StrangeBean()
strangeBean.somethingStrangeHappened = { what, where -> myWhat = what; myWhere = where}
strangeBean.somethingStrangeHappened('?', '!')
assert myWhat == '?'
assert myWhere == '!'
}
}
}
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