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package com.vaadin.ui;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import static org.mockito.Mockito.never;
import static org.mockito.Mockito.verify;
import org.junit.Test;
import org.mockito.Mockito;
import com.vaadin.data.HasValue;
public class TextAreaConstructorTest {
@Test
public void initiallyEmpty() {
TextArea textArea = new TextArea();
assertTrue(textArea.isEmpty());
}
@Test
public void testValueConstructor_emptyAfterClear() {
TextArea textArea = new TextArea(null, "foobar");
assertFalse(textArea.isEmpty());
textArea.clear();
assertTrue(textArea.isEmpty());
}
@Test
public void testValueChangeListener_eventOnValueChange() {
HasValue.ValueChangeListener valueChangeListener = Mockito
.mock(HasValue.ValueChangeListener.class);
TextArea textArea = new TextArea(valueChangeListener);
textArea.setValue("value change");
verify(valueChangeListener)
.valueChange(Mockito.any(HasValue.ValueChangeEvent.class));
}
@Test
public void testCaptionValueListener() {
HasValue.ValueChangeListener valueChangeListener = Mockito
.mock(HasValue.ValueChangeListener.class);
TextArea textArea = new TextArea("Caption", "Initial value",
valueChangeListener);
verify(valueChangeListener, never())
.valueChange(Mockito.any(HasValue.ValueChangeEvent.class));
textArea.setValue("value change");
verify(valueChangeListener)
.valueChange(Mockito.any(HasValue.ValueChangeEvent.class));
}
}
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