use strict 'vars';
-my $max_chain = $ENV{PERL_TEST_NUMCONVERTS};
-unless (defined $max_chain) {
- my $is_debug;
- eval <<'EOE';
- use Config;
- $is_debug = 1 if $Config{ccflags} =~ /-DDEBUGGING\b/;
-EOE
- $max_chain = $is_debug ? 3 : 2;
-}
+my $max_chain = $ENV{PERL_TEST_NUMCONVERTS} || 2;
# Bulk out if unsigned type is hopelessly wrong:
my $max_uv1 = ~0;
my $max_uv2 = sprintf "%u", $max_uv1 ** 6; # 6 is an arbitrary number here
my $big_iv = do {use integer; $max_uv1 * 16}; # 16 is an arbitrary number here
+print "# max_uv1 = $max_uv1, max_uv2 = $max_uv2, big_iv = $big_iv\n";
if ($max_uv1 ne $max_uv2 or $big_iv > $max_uv1) {
- print "1..0\n# Unsigned arithmetic is not sane\n";
+ print "1..0 # skipped: unsigned perl arithmetic is not sane";
+ eval { require Config; import Config };
+ use vars qw(%Config);
+ if ($Config{d_quad} eq 'define') {
+ print " (common in 64-bit platforms)";
+ }
+ print "\n";
exit 0;
}
unshift @list, (reverse map -$_, @list), 0; # 15 elts
@list = map "$_", @list; # Normalize
-# print "@list\n";
+print "# @list\n";
+
+# need to special case ++ for max_uv, as ++ "magic" on a string gives
+# another string, whereas ++ magic on a string used as a number gives
+# a number. Not a problem when NV preserves UV, but if it doesn't then
+# stringification of the latter gives something in e notation.
+my $max_uv_pp = "$max_uv"; $max_uv_pp++;
+my $max_uv_p1 = "$max_uv"; $max_uv_p1+=0; $max_uv_p1++;
my @opnames = split //, "-+UINPuinp";
}
push @ans, $inpt;
}
- $nok++,
- print "# '$ans[0]' ne '$ans[1]',\t$num\t=> @opnames[$first,@{$curops[0]},$last] vs @opnames[$first,@{$curops[1]},$last]\n"
- if $ans[0] ne $ans[1];
+ if ($ans[0] ne $ans[1]) {
+ print "# '$ans[0]' ne '$ans[1]',\t$num\t=> @opnames[$first,@{$curops[0]},$last] vs @opnames[$first,@{$curops[1]},$last]\n";
+ # XXX ought to check that "+" was in the list of opnames
+ if ((($ans[0] eq $max_uv_pp) and ($ans[1] eq $max_uv_p1))
+ or (($ans[1] eq $max_uv_pp) and ($ans[0] eq $max_uv_p1))) {
+ # string ++ versus numeric ++. Tolerate this little
+ # bit of insanity
+ print "# ok, as string ++ of max_uv is \"$max_uv_pp\", numeric is $max_uv_p1\n"
+ } else {
+ $nok++,
+ }
+ }
}
print "not " if $nok;
print "ok $test\n";