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-\ To test the ANS Forth Exception word set and extension words
-
-\ This program was written by Gerry Jackson in 2006, with contributions from
-\ others where indicated, and is in the public domain - it can be distributed
-\ and/or modified in any way but please retain this notice.
-
-\ This program is distributed in the hope that it will be useful,
-\ but WITHOUT ANY WARRANTY; without even the implied warranty of
-\ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
-
-\ The tests are not claimed to be comprehensive or correct
-
-\ ------------------------------------------------------------------------------
-\ Version 0.4 1 April 2012 Tests placed in the public domain.
-\ 0.3 6 March 2009 { and } replaced with T{ and }T
-\ 0.2 20 April 2007 ANS Forth words changed to upper case
-\ 0.1 Oct 2006 First version released
-
-\ ------------------------------------------------------------------------------
-\ The tests are based on John Hayes test program for the core word set
-\
-\ Words tested in this file are:
-\ CATCH THROW ABORT ABORT"
-\
-\ ------------------------------------------------------------------------------
-\ Assumptions and dependencies:
-\ - the forth system under test throws an exception with throw
-\ code -13 for a word not found by the text interpreter. The
-\ undefined word used is $$qweqweqwert$$, if this happens to be
-\ a valid word in your system change the definition of t7 below
-\ - tester.fr or ttester.fs has been loaded prior to this file
-\ - CASE, OF, ENDOF and ENDCASE from the core extension wordset
-\ are present and work correctly
-\ ------------------------------------------------------------------------------
-TESTING CATCH THROW
-
-DECIMAL
-
-: t1 9 ;
-: c1 1 2 3 ['] t1 CATCH ;
-T{ c1 -> 1 2 3 9 0 }T \ No THROW executed
-
-: t2 8 0 THROW ;
-: c2 1 2 ['] t2 CATCH ;
-T{ c2 -> 1 2 8 0 }T \ 0 THROW does nothing
-
-: t3 7 8 9 99 THROW ;
-: c3 1 2 ['] t3 CATCH ;
-T{ c3 -> 1 2 99 }T \ Restores stack to CATCH depth
-
-: t4 1- DUP 0> IF RECURSE ELSE 999 THROW -222 THEN ;
-: c4 3 4 5 10 ['] t4 CATCH -111 ;
-T{ c4 -> 3 4 5 0 999 -111 }T \ Test return stack unwinding
-
-: t5 2DROP 2DROP 9999 THROW ;
-: c5 1 2 3 4 ['] t5 CATCH \ Test depth restored correctly
- DEPTH >R DROP 2DROP 2DROP R> ; \ after stack has been emptied
-T{ c5 -> 5 }T
-
-\ ------------------------------------------------------------------------------
-TESTING ABORT ABORT"
-
--1 CONSTANT exc_abort
--2 CONSTANT exc_abort"
--13 CONSTANT exc_undef
-: t6 ABORT ;
-
-\ The 77 in t10 is necessary for the second ABORT" test as the data stack
-\ is restored to a depth of 2 when THROW is executed. The 77 ensures the top
-\ of stack value is known for the results check
-
-: t10 77 SWAP ABORT" This should not be displayed" ;
-: c6 CATCH
- CASE exc_abort OF 11 ENDOF
- exc_abort" OF 12 ENDOF
- exc_undef OF 13 ENDOF
- ENDCASE
-;
-
-T{ 1 2 ' t6 c6 -> 1 2 11 }T \ Test that ABORT is caught
-T{ 3 0 ' t10 c6 -> 3 77 }T \ ABORT" does nothing
-T{ 4 5 ' t10 c6 -> 4 77 12 }T \ ABORT" caught, no message
-
-\ ------------------------------------------------------------------------------
-TESTING a system generated exception
-
-: t7 S" 333 $$qweqweqwert$$ 334" EVALUATE 335 ;
-: t8 S" 222 t7 223" EVALUATE 224 ;
-: t9 S" 111 112 t8 113" EVALUATE 114 ;
-
-T{ 6 7 ' t9 c6 3 -> 6 7 13 3 }T \ Test unlinking of sources
-
-\ ------------------------------------------------------------------------------
-
-CR .( End of Exception word tests) CR
-