-#!./perl
+#!./perl -w
-print "1..12\n";
+BEGIN {
+ chdir 't' if -d 't';
+ @INC = '../lib';
+}
+
+use Config;
+
+print "1..134\n";
sub try ($$) {
print +($_[1] ? "ok" : "not ok"), " $_[0]\n";
}
+sub tryeq ($$$) {
+ if ($_[1] == $_[2]) {
+ print "ok $_[0]\n";
+ } else {
+ print "not ok $_[0] # $_[1] != $_[2]\n";
+ }
+}
+sub tryeq_sloppy ($$$) {
+ if ($_[1] == $_[2]) {
+ print "ok $_[0]\n";
+ } else {
+ my $error = abs ($_[1] - $_[2]) / $_[1];
+ if ($error < 1e-9) {
+ print "ok $_[0] # $_[1] is close to $_[2], \$^O eq $^O\n";
+ } else {
+ print "not ok $_[0] # $_[1] != $_[2]\n";
+ }
+ }
+}
-try 1, 13 % 4 == 1;
-try 2, -13 % 4 == 3;
-try 3, 13 % -4 == -3;
-try 4, -13 % -4 == -1;
+tryeq 1, 13 % 4, 1;
+tryeq 2, -13 % 4, 3;
+tryeq 3, 13 % -4, -3;
+tryeq 4, -13 % -4, -1;
my $limit = 1e6;
# UVs should behave properly
-try 9, 4063328477 % 65535 == 27407;
-try 10, 4063328477 % 4063328476 == 1;
-try 11, 4063328477 % 2031664238 == 1;
-try 12, 2031664238 % 4063328477 == 2031664238;
+tryeq 9, 4063328477 % 65535, 27407;
+tryeq 10, 4063328477 % 4063328476, 1;
+tryeq 11, 4063328477 % 2031664238, 1;
+tryeq 12, 2031664238 % 4063328477, 2031664238;
+
+# These should trigger wrapping on 32 bit IVs and UVs
+
+tryeq 13, 2147483647 + 0, 2147483647;
+
+# IV + IV promote to UV
+tryeq 14, 2147483647 + 1, 2147483648;
+tryeq 15, 2147483640 + 10, 2147483650;
+tryeq 16, 2147483647 + 2147483647, 4294967294;
+# IV + UV promote to NV
+tryeq 17, 2147483647 + 2147483649, 4294967296;
+# UV + IV promote to NV
+tryeq 18, 4294967294 + 2, 4294967296;
+# UV + UV promote to NV
+tryeq 19, 4294967295 + 4294967295, 8589934590;
+
+# UV + IV to IV
+tryeq 20, 2147483648 + -1, 2147483647;
+tryeq 21, 2147483650 + -10, 2147483640;
+# IV + UV to IV
+tryeq 22, -1 + 2147483648, 2147483647;
+tryeq 23, -10 + 4294967294, 4294967284;
+# IV + IV to NV
+tryeq 24, -2147483648 + -2147483648, -4294967296;
+tryeq 25, -2147483640 + -10, -2147483650;
+
+# Hmm. Don't forget the simple stuff
+tryeq 26, 1 + 1, 2;
+tryeq 27, 4 + -2, 2;
+tryeq 28, -10 + 100, 90;
+tryeq 29, -7 + -9, -16;
+tryeq 30, -63 + +2, -61;
+tryeq 31, 4 + -1, 3;
+tryeq 32, -1 + 1, 0;
+tryeq 33, +29 + -29, 0;
+tryeq 34, -1 + 4, 3;
+tryeq 35, +4 + -17, -13;
+
+# subtraction
+tryeq 36, 3 - 1, 2;
+tryeq 37, 3 - 15, -12;
+tryeq 38, 3 - -7, 10;
+tryeq 39, -156 - 5, -161;
+tryeq 40, -156 - -5, -151;
+tryeq 41, -5 - -12, 7;
+tryeq 42, -3 - -3, 0;
+tryeq 43, 15 - 15, 0;
+
+tryeq 44, 2147483647 - 0, 2147483647;
+tryeq 45, 2147483648 - 0, 2147483648;
+tryeq 46, -2147483648 - 0, -2147483648;
+
+tryeq 47, 0 - -2147483647, 2147483647;
+tryeq 48, -1 - -2147483648, 2147483647;
+tryeq 49, 2 - -2147483648, 2147483650;
+
+tryeq 50, 4294967294 - 3, 4294967291;
+tryeq 51, -2147483648 - -1, -2147483647;
+
+# IV - IV promote to UV
+tryeq 52, 2147483647 - -1, 2147483648;
+tryeq 53, 2147483647 - -2147483648, 4294967295;
+# UV - IV promote to NV
+tryeq 54, 4294967294 - -3, 4294967297;
+# IV - IV promote to NV
+tryeq 55, -2147483648 - +1, -2147483649;
+# UV - UV promote to IV
+tryeq 56, 2147483648 - 2147483650, -2;
+# IV - UV promote to IV
+tryeq 57, 2000000000 - 4000000000, -2000000000;
+
+# No warnings should appear;
+my $a;
+$a += 1;
+tryeq 58, $a, 1;
+undef $a;
+$a += -1;
+tryeq 59, $a, -1;
+undef $a;
+$a += 4294967290;
+tryeq 60, $a, 4294967290;
+undef $a;
+$a += -4294967290;
+tryeq 61, $a, -4294967290;
+undef $a;
+$a += 4294967297;
+tryeq 62, $a, 4294967297;
+undef $a;
+$a += -4294967297;
+tryeq 63, $a, -4294967297;
+
+my $s;
+$s -= 1;
+tryeq 64, $s, -1;
+undef $s;
+$s -= -1;
+tryeq 65, $s, +1;
+undef $s;
+$s -= -4294967290;
+tryeq 66, $s, +4294967290;
+undef $s;
+$s -= 4294967290;
+tryeq 67, $s, -4294967290;
+undef $s;
+$s -= 4294967297;
+tryeq 68, $s, -4294967297;
+undef $s;
+$s -= -4294967297;
+tryeq 69, $s, +4294967297;
+
+# Multiplication
+
+tryeq 70, 1 * 3, 3;
+tryeq 71, -2 * 3, -6;
+tryeq 72, 3 * -3, -9;
+tryeq 73, -4 * -3, 12;
+
+# check with 0xFFFF and 0xFFFF
+tryeq 74, 65535 * 65535, 4294836225;
+tryeq 75, 65535 * -65535, -4294836225;
+tryeq 76, -65535 * 65535, -4294836225;
+tryeq 77, -65535 * -65535, 4294836225;
+
+# check with 0xFFFF and 0x10001
+tryeq 78, 65535 * 65537, 4294967295;
+tryeq 79, 65535 * -65537, -4294967295;
+tryeq 80, -65535 * 65537, -4294967295;
+tryeq 81, -65535 * -65537, 4294967295;
+
+# check with 0x10001 and 0xFFFF
+tryeq 82, 65537 * 65535, 4294967295;
+tryeq 83, 65537 * -65535, -4294967295;
+tryeq 84, -65537 * 65535, -4294967295;
+tryeq 85, -65537 * -65535, 4294967295;
+
+# These should all be dones as NVs
+tryeq 86, 65537 * 65537, 4295098369;
+tryeq 87, 65537 * -65537, -4295098369;
+tryeq 88, -65537 * 65537, -4295098369;
+tryeq 89, -65537 * -65537, 4295098369;
+
+# will overflow an IV (in 32-bit)
+tryeq 90, 46340 * 46342, 0x80001218;
+tryeq 91, 46340 * -46342, -0x80001218;
+tryeq 92, -46340 * 46342, -0x80001218;
+tryeq 93, -46340 * -46342, 0x80001218;
+
+tryeq 94, 46342 * 46340, 0x80001218;
+tryeq 95, 46342 * -46340, -0x80001218;
+tryeq 96, -46342 * 46340, -0x80001218;
+tryeq 97, -46342 * -46340, 0x80001218;
+
+# will overflow a positive IV (in 32-bit)
+tryeq 98, 65536 * 32768, 0x80000000;
+tryeq 99, 65536 * -32768, -0x80000000;
+tryeq 100, -65536 * 32768, -0x80000000;
+tryeq 101, -65536 * -32768, 0x80000000;
+
+tryeq 102, 32768 * 65536, 0x80000000;
+tryeq 103, 32768 * -65536, -0x80000000;
+tryeq 104, -32768 * 65536, -0x80000000;
+tryeq 105, -32768 * -65536, 0x80000000;
+
+# 2147483647 is prime. bah.
+
+tryeq 106, 46339 * 46341, 0x7ffea80f;
+tryeq 107, 46339 * -46341, -0x7ffea80f;
+tryeq 108, -46339 * 46341, -0x7ffea80f;
+tryeq 109, -46339 * -46341, 0x7ffea80f;
+
+# leading space should be ignored
+
+tryeq 110, 1 + " 1", 2;
+tryeq 111, 3 + " -1", 2;
+tryeq 112, 1.2, " 1.2";
+tryeq 113, -1.2, " -1.2";
+
+# divide
+
+tryeq 114, 28/14, 2;
+tryeq 115, 28/-7, -4;
+tryeq 116, -28/4, -7;
+tryeq 117, -28/-2, 14;
+
+tryeq 118, 0x80000000/1, 0x80000000;
+tryeq 119, 0x80000000/-1, -0x80000000;
+tryeq 120, -0x80000000/1, -0x80000000;
+tryeq 121, -0x80000000/-1, 0x80000000;
+
+# The example for sloppy divide, rigged to avoid the peephole optimiser.
+tryeq_sloppy 122, "20." / "5.", 4;
+
+tryeq 123, 2.5 / 2, 1.25;
+tryeq 124, 3.5 / -2, -1.75;
+tryeq 125, -4.5 / 2, -2.25;
+tryeq 126, -5.5 / -2, 2.75;
+
+# Bluuurg if your floating point can't accurately cope with powers of 2
+# [I suspect this is parsing string->float problems, not actual arith]
+tryeq_sloppy 127, 18446744073709551616/1, 18446744073709551616; # Bluuurg
+tryeq_sloppy 128, 18446744073709551616/2, 9223372036854775808;
+tryeq_sloppy 129, 18446744073709551616/4294967296, 4294967296;
+tryeq_sloppy 130, 18446744073709551616/9223372036854775808, 2;
+
+{
+ # The peephole optimiser is wrong to think that it can substitute intops
+ # in place of regular ops, because i_multiply can overflow.
+ # Bug reported by "Sisyphus" <kalinabears@hdc.com.au>
+ my $n = 1127;
+
+ my $float = ($n % 1000) * 167772160.0;
+ tryeq_sloppy 131, $float, 21307064320;
+
+ # On a 32 bit machine, if the i_multiply op is used, you will probably get
+ # -167772160. It's actually undefined behaviour, so anything may happen.
+ my $int = ($n % 1000) * 167772160;
+ tryeq 132, $int, 21307064320;
+
+ my $t = time;
+ my $t1000 = time() * 1000;
+ try 133, abs($t1000 -1000 * $t) <= 2000;
+}
+
+if ($^O eq 'vos') {
+ print "not ok 134 # TODO VOS raises SIGFPE instead of producing infinity.\n";
+}
+elsif (($^O eq 'VMS') && !defined($Config{useieee})) {
+ print "ok 134 # SKIP -- the IEEE infinity model is unavailable in this configuration.\n";
+}
+elsif ($^O eq 'ultrix') {
+ print "not ok 134 # TODO Ultrix enters deep nirvana instead of producing infinity.\n";
+}
+else {
+ # The computation of $v should overflow and produce "infinity"
+ # on any system whose max exponent is less than 10**1506.
+ # The exact string used to represent infinity varies by OS,
+ # so we don't test for it; all we care is that we don't die.
+ #
+ # Perl considers it to be an error if SIGFPE is raised.
+ # Chances are the interpreter will die, since it doesn't set
+ # up a handler for SIGFPE. That's why this test is last; to
+ # minimize the number of test failures. --PG
+
+ my $n = 5000;
+ my $v = 2;
+ while (--$n)
+ {
+ $v *= 2;
+ }
+ print "ok 134\n";
+}
projects / p5sagit/p5-mst-13.2.git / blobdiff