move: check if dnd move is disabled

java/java-tests/testData/refactoring/dndMove/publicJavaClass/d/MyClass.java

@@ -0,0 +1,2 @@
+package d;
+public class MyClass{}

java/java-tests/testData/refactoring/dndMove/secondJavaClass/d/MyClass.java

@@ -0,0 +1,5 @@
+package d;
+
+public class MyClass{}
+
+class Second{}

java/java-tests/testSrc/com/intellij/refactoring/DndMoveTest.java

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+package com.intellij.refactoring;
+
+import com.intellij.codeInsight.CodeInsightTestCase;
+import com.intellij.openapi.util.Computable;
+import com.intellij.openapi.vfs.VirtualFile;
+import com.intellij.psi.*;
+import com.intellij.refactoring.move.MoveHandler;
+import com.intellij.testFramework.PsiTestUtil;
+import org.jetbrains.annotations.Nullable;
+
+/**
+ * User: anna
+ * Date: Aug 31, 2010
+ */
+public class DndMoveTest extends CodeInsightTestCase {
+  protected String getTestRoot() {
+    return "/refactoring/dndMove/";
+  }
+
+  public void testPublicJavaClass() throws Exception {
+    doTest("d", new Computable<PsiElement>() {
+      @Nullable
+      @Override
+      public PsiElement compute() {
+        return JavaPsiFacade.getInstance(getProject()).findClass("d.MyClass");
+      }
+    }, true);
+  }
+
+  public void testSecondJavaClass() throws Exception {
+    doTest("d", new Computable<PsiElement>() {
+      @Nullable
+      @Override
+      public PsiElement compute() {
+        return JavaPsiFacade.getInstance(getProject()).findClass("d.Second");
+      }
+    }, false);
+  }
+
+
+  private void doTest(final String targetDirName, final Computable<PsiElement> source, final boolean expected) throws Exception {
+    String testName = getTestName(true);
+    String root = getTestDataPath() + getTestRoot() + testName;
+    VirtualFile rootDir = PsiTestUtil.createTestProjectStructure(myProject, myModule, root, myFilesToDelete, false);
+    PsiTestUtil.addSourceContentToRoots(myModule, rootDir);
+    PsiDocumentManager.getInstance(myProject).commitAllDocuments();
+    final VirtualFile child1 = rootDir.findChild(targetDirName);
+    assertNotNull("File " + targetDirName + " not found", child1);
+    final PsiDirectory targetDirectory = myPsiManager.findDirectory(child1);
+    assertEquals(expected, MoveHandler.isMoveRedundant(source.compute(), targetDirectory));
+  }
+}