| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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 |
| |
| import groovy.test.GroovyTestCase |
| |
| class PostfixTest extends GroovyTestCase { |
| |
| void testIntegerPostfix() { |
| def x = 1 |
| |
| def y = x++ |
| |
| assert y == 1 |
| assert x == 2 |
| |
| assert x++ == 2 |
| assert x == 3 |
| } |
| |
| void testDoublePostfix() { |
| def x = 1.2 |
| def y = x++ |
| |
| assert y == 1.2 |
| assert x++ == 2.2 |
| assert x == 3.2 |
| } |
| |
| void testStringPostfix() { |
| def x = "bbc" |
| x++ |
| |
| assert x == "bbd" |
| |
| def y = "bbc"++ |
| assert y == "bbc" |
| } |
| |
| |
| void testArrayPostfix() { |
| int[] i = [1] |
| |
| def y = i[0]++ |
| |
| assert y == 1 |
| assert i[0]++ == 2 |
| assert i[0] == 3 |
| } |
| |
| void testConstantPostFix() { |
| assert 1 == 1++ |
| } |
| |
| def valueReturned() { 0 } |
| |
| void testFunctionPostfix() { |
| def z = (valueReturned())++ |
| |
| assert z == 0 |
| } |
| |
| void testPrefixAndPostfix() { |
| def u = 0 |
| |
| assert -1 == -- u -- |
| assert 0 == ++ u ++ |
| assert 0 == u |
| assert 0 == (u++)++ |
| assert 1 == u |
| } |
| } |