@Test
public void testRemoveVerifyListenerUnregistersUntypedEvents() {
VerifyListener listener = mock(VerifyListener.class);
text.addVerifyListener(listener);
text.removeVerifyListener(listener);
assertFalse(text.isListening(SWT.Verify));
}
@Test
public void testVerifyEvent() {
VerifyListener verifyListener;
final java.util.List<TypedEvent> log = new ArrayList<TypedEvent>();
text.addModifyListener(
new ModifyListener() {
public void modifyText(ModifyEvent event) {
log.add(event);
}
});
text.addVerifyListener(
new VerifyListener() {
public void verifyText(VerifyEvent event) {
assertEquals('\0', event.character);
assertEquals(0, event.keyCode);
log.add(event);
}
});
// VerifyEvent is also sent when setting text to the already set value
log.clear();
text.setText("");
assertEquals(2, log.size());
assertEquals(VerifyEvent.class, log.get(0).getClass());
assertEquals(ModifyEvent.class, log.get(1).getClass());
// Test verifyListener that prevents (doit=false) change
text.setText("");
log.clear();
verifyListener =
new VerifyListener() {
public void verifyText(VerifyEvent event) {
event.doit = false;
}
};
text.addVerifyListener(verifyListener);
text.setText("other");
assertEquals(1, log.size());
assertEquals(VerifyEvent.class, log.get(0).getClass());
assertEquals("", text.getText());
text.removeVerifyListener(verifyListener);
// Test verifyListener that manipulates text
text.setText("");
log.clear();
verifyListener =
new VerifyListener() {
public void verifyText(VerifyEvent event) {
event.text = "manipulated";
}
};
text.addVerifyListener(verifyListener);
text.setText("other");
assertEquals(2, log.size());
assertEquals(VerifyEvent.class, log.get(0).getClass());
assertEquals(ModifyEvent.class, log.get(1).getClass());
assertEquals("manipulated", text.getText());
text.removeVerifyListener(verifyListener);
// Ensure that VerifyEvent#start and #end denote the positions of the old
// text and #text denotes the text to be set
String oldText = "old";
text.setText(oldText);
log.clear();
String newText = oldText + "changed";
text.setText(newText);
assertEquals(2, log.size());
assertEquals(VerifyEvent.class, log.get(0).getClass());
VerifyEvent verifyEvent = (VerifyEvent) log.get(0);
assertEquals(0, verifyEvent.start);
assertEquals(oldText.length(), verifyEvent.end);
assertEquals(newText, verifyEvent.text);
assertEquals(ModifyEvent.class, log.get(1).getClass());
// Ensure that VerifyEvent gets fired when setEditable was set to false
text.setText("");
text.setEditable(false);
log.clear();
text.setText("whatever");
assertEquals(2, log.size());
assertEquals(VerifyEvent.class, log.get(0).getClass());
assertEquals(ModifyEvent.class, log.get(1).getClass());
text.setEditable(true);
// Ensure that VerifyEvent#text denotes the text to be set
// and not the cut by textLimit one
text.setTextLimit(5);
String sampleText = "sample_text";
log.clear();
text.setText(sampleText);
assertEquals(2, log.size());
assertEquals(VerifyEvent.class, log.get(0).getClass());
verifyEvent = (VerifyEvent) log.get(0);
assertEquals(sampleText, verifyEvent.text);
}
@Override
public void widgetDisposed(DisposeEvent e) {
text.removeVerifyListener(verifyListener);
text.removeFocusListener(focusListener);
text.removeDisposeListener(disposeListener);
}
