Test also `--verbose', `--defines' and `--name-prefix'. Testing

[bison.git] / tests / calc.m4

diff --git a/tests/calc.m4 b/tests/calc.m4
index 2af544f5dbea963d811050e2fa65f60c28a3b048..de0f33f10a03b5640c4e2e5da9295470962f639a 100644 (file)
--- a/tests/calc.m4
+++ b/tests/calc.m4
@@ -6,14 +6,25 @@ Simple Calculator.
 
 EOF
 
+
 ## ---------------------------------------------------- ##
 ## Compile the grammar described in the documentation.  ##
 ## ---------------------------------------------------- ##
 
-# We use integers to avoid dependencies upon the precision of doubles.
-AT_SETUP(Compiling a grammar)
 
-AT_DATA([calc.y],
+# ------------------------- #
+# Helping Autotest macros.  #
+# ------------------------- #
+
+
+# _AT_DATA_CALC_Y($1, $2, $3)
+# ---------------------------
+# Produce `calc.y'.  Don't call this macro directly, because it contains
+# some occurrences of `$1' etc. which will be interpreted by m4.  So
+# you should call it with $1, $2, and $3 as arguments, which is what
+# AT_DATA_CALC_Y does.
+AT_DEFINE([_AT_DATA_CALC_Y],
+[AT_DATA([calc.y],
 [[/* Infix notation calculator--calc */
 
 %{
@@ -25,6 +36,7 @@ AT_DATA([calc.y],
 static int power (int base, int exponent);
 static int read_signed_integer (FILE *stream);
 static void yyerror (const char *s);
+static int yylex (void);
 extern void perror (const char *s);
 %}
 
@@ -94,8 +106,8 @@ read_signed_integer (FILE *stream)
 | blanks and tabs, returns 0 for EOF.                            |
 `---------------------------------------------------------------*/
 
-int
-yylex ()
+static int
+yylex (void)
 {
   int c;
 
@@ -140,34 +152,79 @@ main (int argn, const char **argv)
       perror (argv[1]);
       exit (1);
     }
+
+#if YYDEBUG
+  yydebug = 1;
+#endif
   yyparse ();
   return 0;
 }
 ]])
+])# _AT_DATA_CALC_Y
 
-# Specify the output files to avoid problems on different file systems.
-AT_CHECK([bison calc.y -o calc.c], 0, [], [])
-AT_CHECK([$CC $CFLAGS calc.c -o calc], 0, [], [])
 
-# AT_CHECK_CALC(INPUT, OUTPUT)
-# ----------------------------
-# Run `calc' on INPUT, and expect OUTPUT.
+# AT_DATA_CALC_Y
+# --------------
+# Produce `calc.y'.
+AT_DEFINE([AT_DATA_CALC_Y],
+[_AT_DATA_CALC_Y($[1], $[2], $[3])])
+
+
+# _AT_CHECK_CALC(INPUT, OUTPUT, [STDERR])
+# ---------------------------------------
+# Run `calc' on INPUT, and expect OUTPUT and STDERR.
+AT_DEFINE([_AT_CHECK_CALC],
+[AT_CHECK([echo "$1" | calc], 0, [$2], [$3])])
+
+
+# AT_CHECK_CALC([BISON-OPTIONS], [PARSER-EXPECTED-STDERR])
+# --------------------------------------------------------
+# Start a testing chunk which compiles `calc' grammar with
+# BISON-OPTIONS, and performs several tests over the parser.
 AT_DEFINE([AT_CHECK_CALC],
-[AT_CHECK([echo "$1" | calc], 0, [$2], [])])
+[# We use integers to avoid dependencies upon the precision of doubles.
+AT_SETUP([Calculator $1])
+
+AT_DATA_CALC_Y
+
+# Specify the output files to avoid problems on different file systems.
+AT_CHECK([bison calc.y -o calc.c $1], 0, [], [])
+AT_CHECK([$CC $CFLAGS calc.c -o calc], 0, [], [])
 
 # Test the priorities.
-AT_CHECK_CALC([1 + 2 * 3],   [7])
-AT_CHECK_CALC([1 + 2 * -3], [-5])
+_AT_CHECK_CALC([1 + 2 * 3],   [7], [$2])
+_AT_CHECK_CALC([1 + 2 * -3], [-5], [$2])
+
+_AT_CHECK_CALC([-1^2],  [-1], [$2])
+_AT_CHECK_CALC([(-1)^2], [1], [$2])
+
+_AT_CHECK_CALC([---1], [-1], [$2])
+
+_AT_CHECK_CALC([1 - 2 - 3],  [-4], [$2])
+_AT_CHECK_CALC([1 - (2 - 3)], [2], [$2])
+
+_AT_CHECK_CALC([2^2^3],  [256], [$2])
+_AT_CHECK_CALC([(2^2)^3], [64], [$2])
+
+AT_CLEANUP(calc calc.c calc.h calc.output)
+])# AT_CHECK_CALC
+
 
-AT_CHECK_CALC([-1^2],  [-1])
-AT_CHECK_CALC([(-1)^2], [1])
+# -------------- #
+# Actual tests.  #
+# -------------- #
 
-AT_CHECK_CALC([---1], [-1])
 
-AT_CHECK_CALC([1 - 2 - 3],  [-4])
-AT_CHECK_CALC([1 - (2 - 3)], [2])
+AT_CHECK_CALC()
+# This one is very suspicious.  The test fails, but it might be normal.
+AT_CHECK_CALC([--raw])
 
-AT_CHECK_CALC([2^2^3],  [256])
-AT_CHECK_CALC([(2^2)^3], [64])
+AT_CHECK_CALC([--defines])
+AT_CHECK_CALC([--name-prefix=calc])
+AT_CHECK_CALC([--verbose])
+AT_CHECK_CALC([--yacc])
+AT_CHECK_CALC([--defines --name-prefix=calc --verbose --yacc])
 
-AT_CLEANUP(calc calc.c)
+# When --debug, a lot of data is sent to STDERR, we can't test it.
+AT_CHECK_CALC([--debug], ignore)
+AT_CHECK_CALC([--debug --defines --name-prefix=calc --verbose --yacc], ignore)