Eliminate tryAMAGICunW() by refactoring tryAMAGICun{DEREF,TARGET}

[perl5.git] / t / base / num.t

diff --git a/t/base/num.t b/t/base/num.t
index b3cde2e..fbeddc9 100644 (file)
--- a/t/base/num.t
+++ b/t/base/num.t
@@ -1,6 +1,6 @@
 #!./perl
 
-print "1..30\n";
+print "1..53\n";
 
 # First test whether the number stringification works okay.
 # (Testing with == would exercize the IV/NV part, not the PV.)
@@ -50,6 +50,8 @@ print $a eq "256"     ? "ok 14\n" : "not ok 14 # $a\n";
 $a = 1000; "$a";
 print $a eq "1000"    ? "ok 15\n" : "not ok 15 # $a\n";
 
+# more hex and binary tests below starting at 51
+
 # Okay, now test the numerics.
 # We may be assuming too much, given the painfully well-known floating
 # point sloppiness, but the following are still quite reasonable
@@ -68,20 +70,25 @@ print $a + 1 == 2     ? "ok 18\n" : "not ok 18 #" . $a + 1 . "\n";
 $a = -1.; "$a";
 print $a + 1 == 0     ? "ok 19\n" : "not ok 19 #" . $a + 1 . "\n";
 
+sub ok { # Can't assume too much of floating point numbers.
+    my ($a, $b, $c) = @_;
+    abs($a - $b) <= $c;
+}
+
 $a = 0.1; "$a";
-print $a + 1 == 1.1   ? "ok 20\n" : "not ok 20 #" . $a + 1 . "\n";
+print ok($a + 1,  1.1,  0.05)   ? "ok 20\n" : "not ok 20 #" . $a + 1 . "\n";
 
 $a = -0.1; "$a";
-print $a + 1 == 0.9   ? "ok 21\n" : "not ok 21 #" . $a + 1 . "\n";
+print ok($a + 1,  0.9,  0.05)   ? "ok 21\n" : "not ok 21 #" . $a + 1 . "\n";
 
 $a = .1; "$a";
-print $a + 1 == 1.1   ? "ok 22\n" : "not ok 22 #" . $a + 1 . "\n";
+print ok($a + 1,  1.1,  0.005)  ? "ok 22\n" : "not ok 22 #" . $a + 1 . "\n";
 
 $a = -.1; "$a";
-print $a + 1 == 0.9   ? "ok 23\n" : "not ok 23 #" . $a + 1 . "\n";
+print ok($a + 1,  0.9,  0.05)   ? "ok 23\n" : "not ok 23 #" . $a + 1 . "\n";
 
 $a = 10.01; "$a";
-print $a + 1 == 11.01 ? "ok 24\n" : "not ok 24 #" . $a + 1 . "\n";
+print ok($a + 1, 11.01, 0.005) ? "ok 24\n" : "not ok 24 #" . $a + 1 . "\n";
 
 $a = 1e3; "$a";
 print $a + 1 == 1001  ? "ok 25\n" : "not ok 25 #" . $a + 1 . "\n";
@@ -100,3 +107,105 @@ print $a + 1 == 0x101 ? "ok 29\n" : "not ok 29 #" . $a + 1 . "\n";
 
 $a = 1000; "$a";
 print $a + 1 == 1001  ? "ok 30\n" : "not ok 30 #" . $a + 1 . "\n";
+
+# back to some basic stringify tests
+# we expect NV stringification to work according to C sprintf %.*g rules
+
+if ($^O eq 'os2') { # In the long run, fix this.  For 5.8.0, deal.
+    $a = 0.01; "$a";
+    print $a eq "0.01"   || $a eq '1e-02' ? "ok 31\n" : "not ok 31 # $a\n";
+
+    $a = 0.001; "$a";
+    print $a eq "0.001"  || $a eq '1e-03' ? "ok 32\n" : "not ok 32 # $a\n";
+
+    $a = 0.0001; "$a";
+    print $a eq "0.0001" || $a eq '1e-04' ? "ok 33\n" : "not ok 33 # $a\n";
+} else {
+    $a = 0.01; "$a";
+    print $a eq "0.01"    ? "ok 31\n" : "not ok 31 # $a\n";
+
+    $a = 0.001; "$a";
+    print $a eq "0.001"   ? "ok 32\n" : "not ok 32 # $a\n";
+
+    $a = 0.0001; "$a";
+    print $a eq "0.0001"  ? "ok 33\n" : "not ok 33 # $a\n";
+}
+
+$a = 0.00009; "$a";
+print $a eq "9e-05" || $a eq "9e-005" ? "ok 34\n"  : "not ok 34 # $a\n";
+
+$a = 1.1; "$a";
+print $a eq "1.1"     ? "ok 35\n" : "not ok 35 # $a\n";
+
+$a = 1.01; "$a";
+print $a eq "1.01"    ? "ok 36\n" : "not ok 36 # $a\n";
+
+$a = 1.001; "$a";
+print $a eq "1.001"   ? "ok 37\n" : "not ok 37 # $a\n";
+
+$a = 1.0001; "$a";
+print $a eq "1.0001"  ? "ok 38\n" : "not ok 38 # $a\n";
+
+$a = 1.00001; "$a";
+print $a eq "1.00001" ? "ok 39\n" : "not ok 39 # $a\n";
+
+$a = 1.000001; "$a";
+print $a eq "1.000001" ? "ok 40\n" : "not ok 40 # $a\n";
+
+$a = 0.; "$a";
+print $a eq "0"       ? "ok 41\n" : "not ok 41 # $a\n";
+
+$a = 100000.; "$a";
+print $a eq "100000"  ? "ok 42\n" : "not ok 42 # $a\n";
+
+$a = -100000.; "$a";
+print $a eq "-100000" ? "ok 43\n" : "not ok 43 # $a\n";
+
+$a = 123.456; "$a";
+print $a eq "123.456" ? "ok 44\n" : "not ok 44 # $a\n";
+
+$a = 1e34; "$a";
+unless ($^O eq 'posix-bc')
+{ print $a eq "1e+34" || $a eq "1e+034" ? "ok 45\n" : "not ok 45 # $a\n"; }
+else
+{ print "ok 45 # skipped on $^O\n"; }
+
+# see bug #15073
+
+$a = 0.00049999999999999999999999999999999999999;
+$b = 0.0005000000000000000104;
+print $a <= $b ? "ok 46\n" : "not ok 46\n";
+
+if ($^O eq 'ultrix' || $^O eq 'VMS') {
+  # Ultrix enters looong nirvana over this. VMS blows up when configured with
+  # D_FLOAT (but with G_FLOAT or IEEE works fine).  The test should probably
+  # make the number of 0's a function of NV_DIG, but that's not in Config and 
+  # we probably don't want to suck Config into a base test anyway.
+  print "ok 47\n";
+} else {
+  $a = 0.00000000000000000000000000000000000000000000000000000000000000000001;
+  print $a > 0 ? "ok 47\n" : "not ok 47\n";
+}
+
+$a = 80000.0000000000000000000000000;
+print $a == 80000.0 ? "ok 48\n" : "not ok 48\n";
+
+$a = 1.0000000000000000000000000000000000000000000000000000000000000000000e1;
+print $a == 10.0 ? "ok 49\n" : "not ok 49\n";
+
+# From Math/Trig - number has to be long enough to exceed at least DBL_DIG
+
+$a = 57.295779513082320876798154814169;
+print ok($a*10,572.95779513082320876798154814169,1e-10) ? "ok 50\n" :
+  "not ok 50 # $a\n";
+
+# Allow uppercase base markers (#76296)
+
+$a = 0Xabcdef; "$a";
+print $a eq "11259375"     ? "ok 51\n" : "not ok 51 # $a\n";
+
+$a = 0XFEDCBA; "$a";
+print $a eq "16702650"     ? "ok 52\n" : "not ok 52 # $a\n";
+
+$a = 0B1101; "$a";
+print $a eq "13"           ? "ok 53\n" : "not ok 53 # $a\n";