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package com.vaadin.tests.event;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import java.util.HashSet;
import org.junit.Test;
import com.vaadin.event.ShortcutAction;
import com.vaadin.shared.util.SharedUtil;
import com.vaadin.tests.design.DesignFormatterTest;
/**
* Tests various things about shortcut actions.
*
* @since 7.4
* @author Vaadin Ltd
*/
public class ShortcutActionTest {
private static final String[] KEYS = "a b c d e f g h i j k l m n o p q r s t u v w x y z"
.split("\\s+");
@Test
public void testHashCodeUniqueness() {
HashSet<ShortcutAction> set = new HashSet<>();
for (String modifier : new String[] { "^", "&", "_", "&^", "&_", "_^",
"&^_" }) {
for (String key : KEYS) {
ShortcutAction action = new ShortcutAction(modifier + key);
for (ShortcutAction other : set) {
assertFalse(equals(action, other));
}
set.add(action);
}
}
}
@Test
public void testModifierOrderIrrelevant() {
for (String key : KEYS) {
// two modifiers
for (String modifier : new String[] { "&^", "&_", "_^" }) {
ShortcutAction action1 = new ShortcutAction(modifier + key);
ShortcutAction action2 = new ShortcutAction(
modifier.substring(1) + modifier.substring(0, 1) + key);
assertTrue(modifier + key, equals(action1, action2));
}
// three modifiers
ShortcutAction action1 = new ShortcutAction("&^_" + key);
for (String modifier : new String[] { "&_^", "^&_", "^_&", "_^&",
"_&^" }) {
ShortcutAction action2 = new ShortcutAction(modifier + key);
assertTrue(modifier + key, equals(action1, action2));
}
}
}
@Test
public void testSameKeycodeDifferentCaptions() {
ShortcutAction act1 = new ShortcutAction("E&xit");
ShortcutAction act2 = new ShortcutAction("Lu&xtorpeda - Autystyczny");
assertFalse(equals(act1, act2));
}
/**
* A static method to allow comparison two different actions.
*
* @see DesignFormatterTest
*
* @param act
* One action to compare.
* @param other
* Second action to compare.
* @return <b>true</b> when both actions are the same (caption, icon, and
* key combination).
*/
public static final boolean equals(ShortcutAction act,
ShortcutAction other) {
if (SharedUtil.equals(other.getCaption(), act.getCaption())
&& SharedUtil.equals(other.getIcon(), act.getIcon())
&& act.getKeyCode() == other.getKeyCode()
&& act.getModifiers().length == other.getModifiers().length) {
HashSet<Integer> thisSet = new HashSet<>(act.getModifiers().length);
// this is a bit tricky comparison, but there is no nice way of
// making int[] into a Set
for (int mod : act.getModifiers()) {
thisSet.add(mod);
}
for (int mod : other.getModifiers()) {
thisSet.remove(mod);
}
return thisSet.isEmpty();
}
return false;
}
}
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