Bug 49686 [formatting] Javadoc Formatter mishandles spaces in comments
org.eclipse.jdt.text.tests/src/org/eclipse/jdt/text/tests/formatter/comment/JavaDocTestCase.java
String input= PREFIX + DELIMITER + INFIX + "@custom1" + DELIMITER + INFIX + DELIMITER + INFIX + "@custom2" + DELIMITER + POSTFIX;  
		String expected= input;
		String result= testFormat(input);
		assertEquals(expected, result);
	}
	
	/**
	 * [formatting] javadoc formatter removes blank lines between empty javadoc tags (xdoclet fails)
	 * https://bugs.eclipse.org/bugs/show_bug.cgi?id=68577
	 */
	public void testLineBreaksBetweenEmptyJavaDocTags2() {
		setUserOption(CommentFormatterPreferenceConstants.FORMATTER_COMMENT_CLEARBLANKLINES, "false"); 
		String input= PREFIX + DELIMITER + INFIX + "@custom1" + DELIMITER + INFIX + "@custom2" + DELIMITER + POSTFIX;  
		String expected= input;
		String result= testFormat(input);
		assertEquals(expected, result);
	}
	
	public void testNoChange1() {
		String content= PREFIX + DELIMITER + POSTFIX;
		assertEquals(content, testFormat(content));
	}
	
	public void testNoFormat1() {
		setUserOption(CommentFormatterPreferenceConstants.FORMATTER_COMMENT_FORMAT, "false");
		String content= PREFIX + DELIMITER + INFIX + "test" + DELIMITER + INFIX + "test" + DELIMITER + POSTFIX;
		assertEquals(content, testFormat(content));
	}
}