From 4fb0051c75fce01a17c0ef965a652e78c6d34790 Mon Sep 17 00:00:00 2001
From: Dmitry Batrak <Dmitry.Batrak@jetbrains.com>
Date: Fri, 27 Nov 2015 17:06:36 +0300
Subject: [PATCH] editor opening performance test

---
 .../editor/EditorCreationPerformanceTest.java | 36 +++++++++++++++++++
 .../editor/EditorPaintingPerformanceTest.java |  2 --
 .../editor/impl/AbstractEditorTest.java       |  3 ++
 3 files changed, 39 insertions(+), 2 deletions(-)
 create mode 100644 platform/platform-tests/testSrc/com/intellij/openapi/editor/EditorCreationPerformanceTest.java

diff --git a/platform/platform-tests/testSrc/com/intellij/openapi/editor/EditorCreationPerformanceTest.java b/platform/platform-tests/testSrc/com/intellij/openapi/editor/EditorCreationPerformanceTest.java
new file mode 100644
index 000000000000..2e1a17412570
--- /dev/null
+++ b/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();
+  }
+}
diff --git a/platform/platform-tests/testSrc/com/intellij/openapi/editor/EditorPaintingPerformanceTest.java b/platform/platform-tests/testSrc/com/intellij/openapi/editor/EditorPaintingPerformanceTest.java
index bd189dac103d..95aaed4b2556 100644
--- a/platform/platform-tests/testSrc/com/intellij/openapi/editor/EditorPaintingPerformanceTest.java
+++ b/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 {
diff --git a/platform/platform-tests/testSrc/com/intellij/openapi/editor/impl/AbstractEditorTest.java b/platform/platform-tests/testSrc/com/intellij/openapi/editor/impl/AbstractEditorTest.java
index abc2aee1db5c..781b9cec0951 100644
--- a/platform/platform-tests/testSrc/com/intellij/openapi/editor/impl/AbstractEditorTest.java
+++ b/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();