| /* |
| * Copyright 2000-2014 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.psi; |
| |
| import com.intellij.codeInsight.daemon.LightDaemonAnalyzerTestCase; |
| import com.intellij.openapi.application.ApplicationManager; |
| import com.intellij.openapi.command.WriteCommandAction; |
| import com.intellij.testFramework.SkipSlowTestLocally; |
| |
| @SkipSlowTestLocally |
| public class JavaSOEOnReparsePerformanceTest extends LightDaemonAnalyzerTestCase { |
| private StringBuilder myHugeExpr; |
| |
| @Override |
| public void setUp() throws Exception { |
| super.setUp(); |
| myHugeExpr = new StringBuilder("\"-\""); |
| for (int i = 0; i < 100000; i++) myHugeExpr.append("+\"b\""); |
| } |
| |
| @Override |
| public void tearDown() throws Exception { |
| if (myHugeExpr != null) { |
| myHugeExpr.setLength(0); |
| myHugeExpr = null; |
| } |
| super.tearDown(); |
| } |
| |
| public void testOnHugeBinaryExprInFile() throws Exception { |
| configureFromFileText("a.java", "class A { String s = \"\"; }"); |
| doTest(); |
| } |
| |
| public void testOnHugeBinaryExprInCodeBlock() throws Exception { |
| configureFromFileText("a.java", "class A { void m() { String s = \"\"; } }"); |
| doTest(); |
| } |
| |
| private void doTest() { |
| final int pos = getEditor().getDocument().getText().indexOf("\"\""); |
| |
| // replace small expression with huge binary one |
| WriteCommandAction.runWriteCommandAction(null, new Runnable() { |
| @Override |
| public void run() { |
| getEditor().getDocument().replaceString(pos, pos + 2, myHugeExpr); |
| PsiDocumentManager.getInstance(getProject()).commitAllDocuments(); |
| } |
| }); |
| doTestConfiguredFile(false, false, null); |
| |
| // modify huge binary expression (1) |
| ApplicationManager.getApplication().runWriteAction(new Runnable() { @Override |
| public void run() { |
| getEditor().getDocument().insertString(pos, "\".\"+"); |
| PsiDocumentManager.getInstance(getProject()).commitAllDocuments(); |
| }}); |
| doTestConfiguredFile(false, false, null); |
| |
| // modify huge binary expression (2) |
| ApplicationManager.getApplication().runWriteAction(new Runnable() { @Override |
| public void run() { |
| getEditor().getDocument().replaceString(pos, pos + 4, ""); |
| PsiDocumentManager.getInstance(getProject()).commitAllDocuments(); |
| }}); |
| doTestConfiguredFile(false, false, null); |
| |
| // replace huge binary expression with small one |
| ApplicationManager.getApplication().runWriteAction(new Runnable() { @Override |
| public void run() { |
| getEditor().getDocument().replaceString(pos, pos + myHugeExpr.length(), "\".\""); |
| PsiDocumentManager.getInstance(getProject()).commitAllDocuments(); |
| }}); |
| doTestConfiguredFile(false, false, null); |
| } |
| } |