result.merge(fRenameTypeRefactoring.checkNewName(removeFileNameExtension(newName))); if (Checks.isAlreadyNamed(fCu, newName))
result.merge(fRenameTypeRefactoring.checkNewName(newName)); if (Checks.isAlreadyNamed(fCu, newName + JAVA_CU_SUFFIX))
	public RefactoringStatus checkNewName(String newName) throws JavaModelException {		Assert.isNotNull(newName, "new name"); //$NON-NLS-1$		RefactoringStatus result= Checks.checkCompilationUnitName(newName);		if (fWillRenameType)			result.merge(fRenameTypeRefactoring.checkNewName(removeFileNameExtension(newName)));		if (Checks.isAlreadyNamed(fCu, newName))			result.addFatalError(RefactoringCoreMessages.getString("RenameCompilationUnitRefactoring.same_name"));	 //$NON-NLS-1$		return result;	}