question: public void testCharBasedCollisions ( ) { CharsToNameCanonicalizer sym = CharsToNameCanonicalizer . createRoot ( ) ; try { int firstHash = 0 ; for ( String str : CHAR_COLLISIONS ) { int hash = sym . calcHash ( str ) ; if ( firstHash == 0 ) { firstHash = hash ; } else { assertEquals ( firstHash , hash ) ; } sym . findSymbol ( str . toCharArray ( ) , 0 , str . length ( ) , hash ) ; } fail ( "Should have thrown exception" ) ; } catch ( IllegalStateException e ) { verifyException ( e , "exceeds maximum" ) ; assertEquals ( CharsToNameCanonicalizer . MAX_COLL_CHAIN_LENGTH + 1 , sym . maxCollisionLength ( ) ) ; assertEquals ( CharsToNameCanonicalizer . MAX_COLL_CHAIN_LENGTH + 1 , sym . collisionCount ( ) ) ; assertEquals ( CharsToNameCanonicalizer . MAX_COLL_CHAIN_LENGTH + 2 , sym . size ( ) ) ; } }
target:  Test to see what happens with pre-computed collisions; should get an exception.