Java tutorial
/* Copyright 2012 Opera Software ASA 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. */ package com.opera.core.systems; import org.junit.Test; import org.openqa.selenium.Keys; import static org.hamcrest.CoreMatchers.instanceOf; import static org.hamcrest.CoreMatchers.is; import static org.junit.Assert.assertEquals; import static org.junit.Assert.assertNotSame; import static org.junit.Assert.assertThat; import static org.junit.Assert.fail; public class OperaMobileKeysTest { @Test public void softKey1MapsToF1() { assertEquals(Keys.F1.charAt(0), OperaMobileKeys.SOFT_KEY_1.charAt(0)); } @Test public void softKey2MapsToF2() { assertEquals(Keys.F2.charAt(0), OperaMobileKeys.SOFT_KEY_2.charAt(0)); } @Test public void softKey3MapsToF3() { assertEquals(Keys.F3.charAt(0), OperaMobileKeys.SOFT_KEY_3.charAt(0)); } @Test public void softKey4MapsToF4() { assertEquals(Keys.F4.charAt(0), OperaMobileKeys.SOFT_KEY_4.charAt(0)); } @Test public void charAtPosition0ReturnsKeyCode() { assertNotSame(OperaMobileKeys.SOFT_KEY_1.charAt(0), 0); } @Test public void charAtOtherPositionReturnsZero() { assertEquals(OperaMobileKeys.SOFT_KEY_1.charAt(10), 0); } @Test public void lengthIsAlwaysOne() { assertThat(OperaMobileKeys.SOFT_KEY_1.length(), is(1)); } @Test public void validSubSequence() { assertEquals(String.valueOf(OperaMobileKeys.SOFT_KEY_1), OperaMobileKeys.SOFT_KEY_1.subSequence(0, 1)); } @Test public void invalidSubSequenceThrows() { try { OperaMobileKeys.SOFT_KEY_1.subSequence(-1, 10); fail("Expected IndexOutOfBoundsException"); } catch (RuntimeException e) { assertThat(e, is(instanceOf(IndexOutOfBoundsException.class))); } } }