UI tests for 'Rename' and 'Extract Local Variable' refactorings.

editor/tools/plugins/com.google.dart.tools.ui_test/src-framework/com/google/dart/ui/test/driver/ShellOperation.java

Index: editor/tools/plugins/com.google.dart.tools.ui_test/src-framework/com/google/dart/ui/test/driver/ShellOperation.java
diff --git a/editor/tools/plugins/com.google.dart.tools.ui_test/src-framework/com/google/dart/ui/test/driver/ShellOperation.java b/editor/tools/plugins/com.google.dart.tools.ui_test/src-framework/com/google/dart/ui/test/driver/ShellOperation.java
new file mode 100644
index 0000000000000000000000000000000000000000..93d7f7c2c2aa7afa3d6aa0fc16464a14d3022167
--- /dev/null
+++ b/editor/tools/plugins/com.google.dart.tools.ui_test/src-framework/com/google/dart/ui/test/driver/ShellOperation.java
@@ -0,0 +1,44 @@
+/*
+ * Copyright (c) 2013, the Dart project authors.
+ * 
+ * Licensed under the Eclipse Public License v1.0 (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.eclipse.org/legal/epl-v10.html
+ * 
+ * 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.google.dart.ui.test.driver;
+
+import com.google.dart.ui.test.util.UiContext;
+
+import org.eclipse.swt.widgets.Shell;
+
+/**
+ * The {@link Operation} that waits for the {@link Shell} opening before run.
+ */
+public abstract class ShellOperation extends Operation {
+  private final String shellText;
+
+  public ShellOperation(String shellText) {
+    this.shellText = shellText;
+  }
+
+  @Override
+  public boolean isReady(UiContext context) throws Exception {
+    Shell shell = context.findShell(shellText);
+    if (shell == null) {
+      return false;
+    }
+    context.useShell(shell);
+    return true;
+  }
+
+  @Override
+  public void onError(UiContext context) throws Exception {
+    context.getShell().close();
+  }
+}