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Make the test suite pass with warnings checked.

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* tests/actions.at (Printers and Destructors): Improve.
Avoid unsigned vs. signed issues.
* tests/calc.at: Don't exercise the scanner here, do it...
* tests/input.at (Torturing the Scanner): here.
This commit is contained in:
Akim Demaille
2002-06-30 17:27:14 +00:00
parent 720623af84
commit 5a08f1ce21
4 changed files with 141 additions and 71 deletions
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132
tests/input.at
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@@ -21,30 +21,6 @@ AT_BANNER([[Input Processing.]])
# Mostly test that we are robust to mistakes.
## ----------------------- ##
## Torturing the Scanner. ##
## ----------------------- ##
AT_SETUP([Torturing the Scanner])
AT_DATA([input.y],
[[%{
/* This is seen in GCC: a %{ and %} in middle of a comment. */
const char *foo = "So %{ and %} can be here.";
%}
/* %{ and %} can be here too. */
%%
exp: 'a';
]])
AT_CHECK([bison input.y])
AT_CLEANUP
## ------------ ##
## Invalid $n. ##
## ------------ ##
@@ -104,3 +80,111 @@ input.y:6.4: empty rule for typed nonterminal, and no action
]])
AT_CLEANUP
## ----------------------- ##
## Torturing the Scanner. ##
## ----------------------- ##
# Be sure to compile and run, so that the C compiler checks what
# we do.
AT_SETUP([Torturing the Scanner])
AT_DATA([input.y],
[[%{
/* This is seen in GCC: a %{ and %} in middle of a comment. */
const char *foo = "So %{ and %} can be here too.";
#include <stdio.h>
%}
/* %{ and %} can be here too. */
%{
/* Exercise pre-prologue dependency to %union. */
typedef int value_t;
%}
/* Exercise M4 quoting: '@:>@@:>@', 0. */
/* Also exercise %union. */
%union
{
value_t ival; /* A comment to exercise an old bug. */
};
/* Exercise post-prologue dependency to %union. */
%{
static YYSTYPE value_t_as_yystype (value_t val);
/* Exercise quotes in declarations. */
char quote[] = "@:>@@:>@,";
%}
%{
static void yyerror (const char *s);
static int yylex (void);
%}
%type <ival> '1'
/* Exercise quotes in strings. */
%token FAKE "fake @<:@@:>@,"
%%
/* Exercise M4 quoting: '@:>@@:>@', 1. */
exp: '1'
{
/* Exercise quotes in braces. */
char tmp[] = "@<:@%c@:>@,\n";
printf (tmp, $1);
}
;
%%
/* Exercise M4 quoting: '@:>@@:>@', 2. */
static YYSTYPE
value_t_as_yystype (value_t val)
{
YYSTYPE res;
res.ival = val;
return res;
}
static int
yylex (void)
{
static const char *input = "1";
yylval = value_t_as_yystype (*input);
return *input++;
}
static void
yyerror (const char *msg)
{
fprintf (stderr, "%s\n", msg);
}
]])
AT_DATA([main.c],
[[typedef int value_t;
#include "input.h"
int yyparse (void);
int
main (void)
{
return yyparse ();
}
]])
AT_CHECK([bison input.y -d -v -o input.c])
AT_CHECK([$CC $CFLAGS $CPPFLAGS main.c input.c -o input], 0, [], [ignore])
AT_CHECK([./input], 0,
[[[1],
]])
AT_CLEANUP