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91 lines
3.1 KiB
Java
91 lines
3.1 KiB
Java
/*
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* Copyright 2000-2016 JetBrains s.r.o.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.intellij.psi;
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import com.intellij.codeInsight.AnnotationUtil;
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import com.intellij.ide.highlighter.JavaFileType;
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import com.intellij.openapi.editor.Document;
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import com.intellij.openapi.fileEditor.FileDocumentManager;
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import com.intellij.openapi.projectRoots.Sdk;
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import com.intellij.openapi.util.Key;
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import com.intellij.testFramework.LeakHunter;
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import com.intellij.testFramework.LightProjectDescriptor;
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import com.intellij.testFramework.LightVirtualFile;
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import com.intellij.testFramework.PsiTestUtil;
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import com.intellij.testFramework.fixtures.DefaultLightProjectDescriptor;
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import com.intellij.testFramework.fixtures.LightCodeInsightFixtureTestCase;
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import com.intellij.util.GCUtil;
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import org.jetbrains.annotations.NotNull;
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/**
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* @author peter
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*/
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public class LightVirtualFileLeaksTest extends LightCodeInsightFixtureTestCase {
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private Key<Boolean> myKey;
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private static final DefaultLightProjectDescriptor PROJECT_DESCRIPTOR = new DefaultLightProjectDescriptor() {
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@Override
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public Sdk getSdk() {
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return PsiTestUtil.addJdkAnnotations(super.getSdk());
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}
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};
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@Override
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protected void setUp() throws Exception {
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super.setUp();
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myKey = Key.create(getName());
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}
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@NotNull
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@Override
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protected LightProjectDescriptor getProjectDescriptor() {
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return PROJECT_DESCRIPTOR;
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}
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public void testDoNotLeakViaDocument() {
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createFileWithDocument();
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checkLeak();
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}
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private void createFileWithDocument() {
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Document document = FileDocumentManager.getInstance().getDocument(createLightFile());
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assertNotNull(document);
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PsiJavaFile psiFile = (PsiJavaFile)PsiDocumentManager.getInstance(getProject()).getPsiFile(document);
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assertSame(document, PsiDocumentManager.getInstance(getProject()).getDocument(psiFile));
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}
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private void checkLeak() {
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GCUtil.tryGcSoftlyReachableObjects();
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LeakHunter.checkLeak(getProject(), LightVirtualFile.class, vf -> vf.getUserData(myKey) == Boolean.TRUE);
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}
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public void testDoNotLeakViaExternalAnnotations() {
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queryExternalAnnotations();
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checkLeak();
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}
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private void queryExternalAnnotations() {
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LightVirtualFile vFile = createLightFile();
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assertEmpty(AnnotationUtil.getAllAnnotations(((PsiJavaFile)getPsiManager().findFile(vFile)).getClasses()[0], true, null));
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}
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@NotNull
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private LightVirtualFile createLightFile() {
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LightVirtualFile vFile = new LightVirtualFile(getName() + ".java", JavaFileType.INSTANCE, "class Foo {}");
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vFile.putUserData(myKey, Boolean.TRUE);
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return vFile;
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}
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}
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