| /* |
| * 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.bugs |
| |
| import groovy.test.GroovyTestCase |
| import org.codehaus.groovy.runtime.MethodClosure |
| |
| class MethodClosureTest extends GroovyTestCase { |
| |
| def aa(x) { |
| x |
| } |
| |
| static bb(it) { it} |
| |
| void testMethodClosure() { |
| def cl2 = String.&toUpperCase // Class.instanceMethod |
| assert cl2 instanceof Closure |
| assert cl2 instanceof MethodClosure |
| |
| assert ["xx", "yy"].collect(cl2) == ["XX","YY"] |
| |
| Class[] c1 = [ Exception.class, Throwable.class ] |
| Class[] c2 = [ IllegalStateException.class ] |
| |
| def cl = this.&aa // instance.instanceMethod |
| |
| assert cl instanceof Closure |
| assert cl instanceof MethodClosure |
| |
| assert [c1, c2].collect(cl) == [c1,c2] |
| |
| } |
| |
| void testStaticMethodAccess() { |
| def list = [1].collect (this.&bb) |
| assert list == [1] |
| list = [1].collect (MethodClosureTest.&bb) // Class.staticMethod |
| assert list == [1] |
| def mct = new MethodClosureTest() |
| list = [1].collect (mct.&bb) // instance.staticMethod |
| assert list == [1] |
| } |
| |
| |
| void testShellVariable() { |
| def shell = new GroovyShell() |
| assert shell.evaluate("x = String.&toUpperCase; x('abc')") == "ABC" |
| assert shell.evaluate("x = 'abc'.&toUpperCase; x()") == "ABC" |
| assert shell.evaluate("x = Integer.&parseInt; x('123')") == 123 |
| assert shell.evaluate("x = 3.&parseInt; x('123')") == 123 |
| } |
| } |
| |