| /* |
| * Copyright 2003-2010 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 |
| |
| class GroovyTruthTest extends GroovyTestCase { |
| |
| void testTruth() { |
| testFalse null |
| |
| assertTrue Boolean.TRUE |
| testTrue true |
| testFalse Boolean.FALSE |
| testFalse false |
| |
| testFalse "" |
| testTrue "bla" |
| testTrue "true" |
| testTrue "TRUE" |
| testTrue "false" |
| testFalse '' |
| testTrue 'bla' |
| testTrue new StringBuffer('bla') |
| testFalse new StringBuffer() |
| |
| testFalse Collections.EMPTY_LIST |
| testFalse([]) |
| testTrue([1]) |
| testFalse([].toArray()) |
| |
| testFalse [:] |
| testTrue([bla: 'some value']) |
| testTrue 1234 |
| testFalse 0 |
| testTrue 0.3f |
| testTrue new Double(3.0f) |
| testFalse 0.0f |
| testTrue new Character((char) 1) |
| testFalse new Character((char) 0) |
| } |
| |
| void testPrimitiveArrayTruth() { |
| testTrue([1] as byte[]) |
| testTrue([1] as short[]) |
| testTrue([1] as int[]) |
| testTrue([1] as long[]) |
| testTrue([1] as float[]) |
| testTrue([1] as double[]) |
| testTrue([true] as boolean[]) |
| testTrue([1] as char[]) |
| |
| testFalse([] as byte[]) |
| testFalse([] as short[]) |
| testFalse([] as int[]) |
| testFalse([] as long[]) |
| testFalse([] as float[]) |
| testFalse([] as double[]) |
| testFalse([] as boolean[]) |
| testFalse([] as char[]) |
| } |
| |
| void testIteratorTruth() { |
| testFalse([].iterator()) |
| testTrue([1].iterator()) |
| } |
| |
| void testEnumerationTruth() { |
| def v = new Vector() |
| testFalse(v.elements()) |
| v.add(new Object()) |
| testTrue(v.elements()) |
| } |
| |
| protected testTrue(someObj) { |
| assertTrue someObj ? true : false |
| } |
| |
| protected testFalse(someObj) { |
| assertFalse someObj ? true : false |
| } |
| |
| } |