| /* |
| * Copyright 2000-2012 JetBrains s.r.o. |
| * |
| * 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 com.intellij.codeInsight.daemon.lambda; |
| |
| import com.intellij.codeInsight.daemon.LightDaemonAnalyzerTestCase; |
| import com.intellij.psi.LambdaHighlightingUtil; |
| import com.intellij.psi.PsiClass; |
| import com.intellij.psi.search.GlobalSearchScope; |
| import org.jetbrains.annotations.NonNls; |
| import org.jetbrains.annotations.Nullable; |
| |
| public class FunctionalInterfaceTest extends LightDaemonAnalyzerTestCase { |
| @NonNls static final String BASE_PATH = "/codeInsight/daemonCodeAnalyzer/lambda/functionalInterface"; |
| |
| private void doTestFunctionalInterface(@Nullable String expectedErrorMessage) throws Exception { |
| String filePath = BASE_PATH + "/" + getTestName(false) + ".java"; |
| configureByFile(filePath); |
| final PsiClass psiClass = getJavaFacade().findClass("Foo", GlobalSearchScope.projectScope(getProject())); |
| assertNotNull("Class Foo not found", psiClass); |
| |
| final String errorMessage = LambdaHighlightingUtil.checkInterfaceFunctional(getJavaFacade().getElementFactory().createType(psiClass)); |
| assertEquals(expectedErrorMessage, errorMessage); |
| } |
| |
| public void testSimple() throws Exception { |
| doTestFunctionalInterface(null); |
| } |
| |
| public void testNoMethods() throws Exception { |
| doTestFunctionalInterface("No target method found"); |
| } |
| |
| public void testMultipleMethods() throws Exception { |
| doTestFunctionalInterface(null); |
| } |
| |
| public void testMultipleMethodsInOne() throws Exception { |
| doTestFunctionalInterface(null); |
| } |
| |
| public void testClone() throws Exception { |
| doTestFunctionalInterface("Multiple non-overriding abstract methods found"); |
| } |
| |
| public void testTwoMethodsSameSignature() throws Exception { |
| doTestFunctionalInterface(null); |
| } |
| |
| public void testTwoMethodsSubSignature() throws Exception { |
| doTestFunctionalInterface(null); |
| } |
| |
| public void testTwoMethodsNoSubSignature() throws Exception { |
| doTestFunctionalInterface("Multiple non-overriding abstract methods found"); |
| } |
| |
| public void testTwoMethodsNoSubSignature1() throws Exception { |
| doTestFunctionalInterface("Multiple non-overriding abstract methods found"); |
| } |
| |
| public void testTwoMethodsSameSubstSignature() throws Exception { |
| doTestFunctionalInterface(null); |
| } |
| |
| public void testMethodWithTypeParam() throws Exception { |
| doTestFunctionalInterface("Target method is generic"); |
| } |
| |
| public void testTwoMethodsSameSignatureTypeParams() throws Exception { |
| doTestFunctionalInterface("Target method is generic"); |
| } |
| |
| public void testAbstractClass() throws Exception { |
| doTestFunctionalInterface("Target type of a lambda conversion must be an interface"); |
| } |
| } |