/*
* Copyright 2015-2017 Amazon.com, Inc. or its affiliates. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License").
* You may not use this file except in compliance with the License.
* A copy of the License is located at
*
* http://aws.amazon.com/apache2.0
*
* or in the "license" file accompanying this file. This file 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.amazonaws.util;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNull;
import org.junit.Test;
public class NumberUtilsTest {
@Test
public void tryParseInt_ValidInt_ReturnsValidInteger() {
assertIntEquals(7, NumberUtils.tryParseInt("7"));
}
@Test
public void tryParseInt_InvalidInt_ReturnsNull() {
assertNull(NumberUtils.tryParseInt("seven"));
}
@Test
public void tryParseInt_NullString_ReturnsNull() {
assertNull(NumberUtils.tryParseInt(null));
}
@Test
public void tryParseInt_EmptyString_ReturnsNull() {
assertNull(NumberUtils.tryParseInt(""));
}
public static void assertIntEquals(int expected, Integer actual) {
assertEquals(Integer.valueOf(expected), actual);
}
}