Clean ups for trailing whitespace and block style

editor/tools/plugins/com.google.dart.tools.ui_test/src/com/google/dart/tools/ui/cleanup/AbstractCleanUpTest.java

Index: editor/tools/plugins/com.google.dart.tools.ui_test/src/com/google/dart/tools/ui/cleanup/AbstractCleanUpTest.java
diff --git a/editor/tools/plugins/com.google.dart.tools.ui_test/src/com/google/dart/tools/ui/cleanup/AbstractCleanUpTest.java b/editor/tools/plugins/com.google.dart.tools.ui_test/src/com/google/dart/tools/ui/cleanup/AbstractCleanUpTest.java
new file mode 100644
index 0000000000000000000000000000000000000000..9eb49cade63499db54493f2073d0ebc836463b9c
--- /dev/null
+++ b/editor/tools/plugins/com.google.dart.tools.ui_test/src/com/google/dart/tools/ui/cleanup/AbstractCleanUpTest.java
@@ -0,0 +1,60 @@
+/*
+ * Copyright (c) 2012, 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.tools.ui.cleanup;
+
+import com.google.dart.compiler.ast.DartUnit;
+import com.google.dart.tools.core.refactoring.CompilationUnitChange;
+import com.google.dart.tools.core.utilities.compiler.DartCompilerUtilities;
+import com.google.dart.tools.ui.internal.cleanup.migration.AbstractMigrateCleanUp;
+import com.google.dart.tools.ui.refactoring.AbstractDartTest;
+
+/**
+ * Test for {@link AbstractMigrateCleanUp}.
+ */
+public abstract class AbstractCleanUpTest extends AbstractDartTest {
+
+  protected final void assertCleanUp(ICleanUp cleanUp, String initial, String expected)
+      throws Exception {
+    ICleanUpFix fix = prepareFix(cleanUp, initial);
+    assertNotNull(fix);
+    // assert result
+    CompilationUnitChange unitChange = fix.createChange(null);
+    String result = unitChange.getPreviewContent(null);
+    assertEquals(expected, result);
+  }
+
+  protected final void assertNoFix(ICleanUp cleanUp, String initial) throws Exception {
+    ICleanUpFix fix = prepareFix(cleanUp, initial);
+    assertNull(fix);
+  }
+
+  private ICleanUpFix prepareFix(ICleanUp cleanUp, String initial) throws Exception {
+    setTestUnitContent(initial);
+    // prepare CleanUpContext
+    CleanUpContext context;
+    {
+      DartUnit ast = DartCompilerUtilities.resolveUnit(testUnit);
+      context = new CleanUpContext(testUnit, ast);
+    }
+    // check requirements
+    {
+      CleanUpRequirements requirements = cleanUp.getRequirements();
+      assertTrue(requirements.requiresAST());
+    }
+    // prepare ICleanUpFix
+    ICleanUpFix fix = cleanUp.createFix(context);
+    return fix;
+  }
+
+}