|
Groovy example source code file (ClosureComparatorTest.groovy)
The Groovy ClosureComparatorTest.groovy source code/* * Copyright 2003-2011 the original author or authors. * * 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 groovy /** * Tests for ClosureComparator * * @author Alexey Verkhovsky * @version $Revision: 21515 $ */ class ClosureComparatorTest extends GroovyTestCase { public void testClosureComparatorForGroovyObjects() { def comparator = new ClosureComparator({ one, another -> one.greaterThan(another) }) def one = new ComparableFoo(5) def another = new ComparableFoo(-5) assertEquals(10, comparator.compare(one, another)) assertEquals(0, comparator.compare(one, one)) assertEquals(-10, comparator.compare(another, one)) } public void testClosureComparatorForNumericTypes() { def comparator = new ClosureComparator({ one, another -> one - another }) assertEquals(1, comparator.compare(Integer.MAX_VALUE, Integer.MAX_VALUE - 1)) assertEquals(0, comparator.compare(Double.MIN_VALUE, Double.MIN_VALUE)) assertEquals(-1, comparator.compare(Long.MIN_VALUE, Long.MIN_VALUE + 1)) } } class ComparableFoo { long value public ComparableFoo(long theValue) { this.value = theValue } def greaterThan(anotherFoo) { return (this.value - anotherFoo.value) } } Other Groovy examples (source code examples)Here is a short list of links related to this Groovy ClosureComparatorTest.groovy source code file: |
... this post is sponsored by my books ... | |
#1 New Release! |
FP Best Seller |
Copyright 1998-2021 Alvin Alexander, alvinalexander.com
All Rights Reserved.
A percentage of advertising revenue from
pages under the /java/jwarehouse
URI on this website is
paid back to open source projects.