@Test
	public void errorCase11() {
		checkForParseError("tap:banana:yyy > file", XDDSLMessages.NOT_ALLOWED_TO_TAP_THAT, 4, "banana");
		checkForParseError("tap:xxx > file", XDDSLMessages.TAP_NEEDS_THREE_COMPONENTS, 0);
	}
Parse streams and verify either the correct abstract syntax tree is produced or the current exception comes out.

@author Andy Clement
@author David Turanski
spring-xd-dirt/src/test/java/org/springframework/xd/dirt/stream/dsl/StreamConfigParserTests.java