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Fluent interface for functional GUI testing
/*
* Created on Nov 10, 2008
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
* an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
* specific language governing permissions and limitations under the License.
*
* Copyright @2008-2013 the original author or authors.
*/
package org.assertj.swing.driver;
import static java.lang.String.valueOf;
import static org.assertj.core.util.Strings.concat;
import javax.annotation.Nonnull;
import javax.swing.JComboBox;
import org.assertj.swing.annotation.RunsInCurrentThread;
/**
*
* Validates that a given number is a valid index of an item in a {@code JComboBox}.
*
*
*
* Note: Methods in this class are accessed in the current executing thread. Such thread may or may not be the
* event dispatch thread (EDT.) Client code must call methods in this class from the EDT.
*
*
* @author Alex Ruiz
*/
final class JComboBoxItemIndexPreconditions {
@RunsInCurrentThread
static void checkItemIndexInBounds(@Nonnull JComboBox comboBox, int index) {
if (index < 0) {
String msg = String.format("%s should not be less than zero", itemIndex(index));
throw new IndexOutOfBoundsException(msg);
}
int itemCount = comboBox.getItemCount();
if (itemCount == 0) {
throw new IndexOutOfBoundsException("JComboBox is empty");
}
if (index >= 0 && index < itemCount) {
return;
}
String msg = String.format("%s should be between [0] and [%d] (inclusive)", itemIndex(index), itemCount - 1);
throw new IndexOutOfBoundsException(msg);
}
private static String itemIndex(int index) {
return concat("Item index (", valueOf(index), ")");
}
private JComboBoxItemIndexPreconditions() {
}
}