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/*
* Copyright 2000-2011 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.usages.impl;
import com.intellij.openapi.editor.Document;
import com.intellij.openapi.fileEditor.FileDocumentManager;
import com.intellij.openapi.util.Disposer;
import com.intellij.openapi.util.text.StringUtil;
import com.intellij.openapi.vfs.encoding.EncodingManager;
import com.intellij.openapi.vfs.encoding.EncodingManagerImpl;
import com.intellij.psi.PsiDocumentManager;
import com.intellij.psi.PsiElement;
import com.intellij.psi.PsiFile;
import com.intellij.psi.impl.source.PsiFileImpl;
import com.intellij.testFramework.LeakHunter;
import com.intellij.testFramework.fixtures.LightPlatformCodeInsightFixtureTestCase;
import com.intellij.usageView.UsageInfo;
import com.intellij.usages.*;
import com.intellij.util.ui.UIUtil;
/**
* User: cdr
*/
public class UsageViewTest extends LightPlatformCodeInsightFixtureTestCase {
public void testUsageViewDoesNotHoldPsiFilesOrDocuments() throws Exception {
PsiFile psiFile = myFixture.addFileToProject("X.java", "public class X{} //iuggjhfg");
Usage[] usages = new Usage[100];
for (int i = 0; i < usages.length; i++) {
usages[i] = createUsage(psiFile,i);
}
UsageView usageView = UsageViewManager.getInstance(getProject()).createUsageView(UsageTarget.EMPTY_ARRAY, usages, new UsageViewPresentation(), null);
Disposer.register(getTestRootDisposable(), usageView);
((EncodingManagerImpl)EncodingManager.getInstance()).clearDocumentQueue();
FileDocumentManager.getInstance().saveAllDocuments();
UIUtil.dispatchAllInvocationEvents();
LeakHunter.checkLeak(usageView, PsiFileImpl.class);
LeakHunter.checkLeak(usageView, Document.class);
}
public void testUsageViewHandlesDocumentChange() throws Exception {
PsiFile psiFile = myFixture.addFileToProject("X.java", "public class X{ int xxx; } //comment");
Usage usage = createUsage(psiFile, psiFile.getText().indexOf("xxx"));
UsageView usageView = UsageViewManager.getInstance(getProject()).createUsageView(UsageTarget.EMPTY_ARRAY, new Usage[]{usage}, new UsageViewPresentation(), null);
Disposer.register(getTestRootDisposable(), usageView);
PsiDocumentManager documentManager = PsiDocumentManager.getInstance(getProject());
Document document = documentManager.getDocument(psiFile);
document.insertString(0, "/* sdfsdfsd */");
documentManager.commitAllDocuments();
int navigationOffset = ((UsageInfo2UsageAdapter)usage).getUsageInfo().getNavigationOffset();
assertEquals(psiFile.getText().indexOf("xxx"), navigationOffset);
}
public void testTextUsageInfoHandlesDocumentChange() throws Exception {
PsiFile psiFile = myFixture.addFileToProject("X.java", "public class X{ int xxx; } //comment");
Usage usage = new UsageInfo2UsageAdapter(new UsageInfo(psiFile, psiFile.getText().indexOf("xxx"), StringUtil.indexOfSubstringEnd(psiFile.getText(),"xxx")));
UsageView usageView = UsageViewManager.getInstance(getProject()).createUsageView(UsageTarget.EMPTY_ARRAY, new Usage[]{usage}, new UsageViewPresentation(), null);
Disposer.register(getTestRootDisposable(), usageView);
PsiDocumentManager documentManager = PsiDocumentManager.getInstance(getProject());
Document document = documentManager.getDocument(psiFile);
document.insertString(0, "/* sdfsdfsd */");
documentManager.commitAllDocuments();
int navigationOffset = ((UsageInfo2UsageAdapter)usage).getUsageInfo().getNavigationOffset();
assertEquals(psiFile.getText().indexOf("xxx"), navigationOffset);
}
private static Usage createUsage(PsiFile psiFile, int offset) {
PsiElement element = psiFile.findElementAt(offset % psiFile.getTextLength());
assertNotNull(element);
return new UsageInfo2UsageAdapter(new UsageInfo(element));
}
}
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