| /* |
| * 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.transform.CompileStatic |
| import org.junit.Test |
| |
| import static groovy.test.GroovyAssert.assertScript |
| import static groovy.test.GroovyAssert.shouldFail |
| |
| @CompileStatic |
| final class Groovy8310 { |
| |
| @Test |
| void testClosureReturnType1() { |
| def err = shouldFail ''' |
| def bar(Closure<Collection<Integer>> block) { |
| block() |
| } |
| |
| @groovy.transform.CompileStatic |
| def use() { |
| bar { |
| [1] |
| } |
| } |
| ''' |
| |
| assert err =~ /Cannot find matching method \w+#bar\(groovy.lang.Closure <java.util.List>\)/ |
| } |
| |
| @Test |
| void testClosureReturnType2() { |
| def err = shouldFail ''' |
| public <T> T bar(Closure<Collection<Integer>> block) { |
| block() |
| } |
| |
| @groovy.transform.CompileStatic |
| def use() { |
| bar { |
| [1] |
| } |
| } |
| ''' |
| |
| assert err =~ /Cannot find matching method \w+#bar\(groovy.lang.Closure <java.util.List>\)/ |
| } |
| |
| @Test |
| void testClosureReturnType3() { |
| assertScript ''' |
| public <T> T bar(Closure<? extends Collection<Integer>> block) { |
| block() |
| } |
| |
| @groovy.transform.CompileStatic |
| def use() { |
| bar { |
| [1] |
| } |
| } |
| |
| assert use() == [1] |
| ''' |
| } |
| |
| @Test |
| void testClosureReturnType4() { |
| assertScript ''' |
| public <T> T bar(Closure<Collection<Integer>> block) { |
| block() |
| } |
| |
| @groovy.transform.CompileStatic |
| def use() { |
| bar { |
| (Collection<Integer>) [1] |
| } |
| } |
| |
| assert use() == [1] |
| ''' |
| } |
| |
| @Test |
| void testClosureReturnType5() { |
| assertScript ''' |
| public <T> T bar(Closure<Collection<Integer>> block) { |
| block() |
| } |
| |
| def use() { |
| bar { |
| [1] as Collection<Integer> |
| } |
| } |
| |
| assert use() == [1] |
| ''' |
| } |
| } |