])
-# AT_CHECK_CALC([BISON-OPTIONS])
+# AT_CHECK_CALC([BISON-OPTIONS [, EXPECTED-TO-FAIL]])
# ------------------------------
# Start a testing chunk which compiles `calc' grammar with
# BISON-OPTIONS, and performs several tests over the parser.
+# However, if EXPECTED-TO-FAIL is nonempty, this test is expected to fail.
m4_define([AT_CHECK_CALC],
[# We use integers to avoid dependencies upon the precision of doubles.
AT_SETUP([Calculator $1])
+m4_ifval([$2], [AT_CHECK([exit 77])])
+
AT_BISON_OPTION_PUSHDEFS([$1])
AT_DATA_CALC_Y([$1])