editor opening performance test

platform/platform-tests/testSrc/com/intellij/openapi/editor/EditorCreationPerformanceTest.java

@@ -0,0 +1,36 @@
+/*
+ * Copyright 2000-2015 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.openapi.editor;
+
+import com.intellij.openapi.editor.impl.AbstractEditorTest;
+import com.intellij.openapi.util.text.StringUtil;
+import com.intellij.testFramework.PlatformTestUtil;
+
+public class EditorCreationPerformanceTest extends AbstractEditorTest {
+  public void testOpeningEditorWithManyLines() throws Exception {
+    Document document = EditorFactory.getInstance().createDocument(StringUtil.repeat(LOREM_IPSUM + '\n', 15000));
+
+    PlatformTestUtil.startPerformanceTest("Editor creation", 250, () -> {
+      Editor editor = EditorFactory.getInstance().createEditor(document);
+      try {
+        System.out.println(editor.getContentComponent().getPreferredSize());
+      }
+      finally {
+        EditorFactory.getInstance().releaseEditor(editor);
+      }
+    }).cpuBound().assertTiming();
+  }
+}

platform/platform-tests/testSrc/com/intellij/openapi/editor/EditorPaintingPerformanceTest.java

@@ -24,8 +24,6 @@ import com.intellij.testFramework.PlatformTestUtil;
 import java.awt.*;
 
 public class EditorPaintingPerformanceTest extends AbstractEditorTest {
-  private static final String LOREM_IPSUM =
-    "Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.";
   private static final int EDITOR_WIDTH_PX = 1000;
 
   public void testScrollingThroughLongTextFile() throws Exception {

platform/platform-tests/testSrc/com/intellij/openapi/editor/impl/AbstractEditorTest.java

@@ -54,6 +54,9 @@ public abstract class AbstractEditorTest extends LightPlatformCodeInsightTestCas
   public static final int TEST_LINE_HEIGHT = 10;
   public static final int TEST_DESCENT = 2;
   
+  public static final String LOREM_IPSUM =
+    "Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.";
+
   @Override
   protected void setUp() throws Exception {
     super.setUp();