X-Git-Url: https://perl5.git.perl.org/perl5.git/blobdiff_plain/8f5b1bb4128d9d01e17f0ffcb1990c0621bcaab0..8727f688bf9bab57862da9dd9073020b13c82940:/t/op/range.t?ds=sidebyside

diff --git a/t/op/range.t b/t/op/range.t
index a4f03c5..3cef292 100755
--- a/t/op/range.t
+++ b/t/op/range.t
@@ -1,59 +1,74 @@
 #!./perl
 
-print "1..19\n";
+BEGIN {
+    chdir 't' if -d 't';
+    @INC = ('../lib', '.');
+}   
+# Avoid using eq_array below as it uses .. internally.
+require 'test.pl';
 
-print join(':',1..5) eq '1:2:3:4:5' ? "ok 1\n" : "not ok 1\n";
+use Config;
+
+plan (45);
+
+is(join(':',1..5), '1:2:3:4:5');
 
 @foo = (1,2,3,4,5,6,7,8,9);
 @foo[2..4] = ('c','d','e');
 
-print join(':',@foo[$foo[0]..5]) eq '2:c:d:e:6' ? "ok 2\n" : "not ok 2\n";
+is(join(':',@foo[$foo[0]..5]), '2:c:d:e:6');
 
 @bar[2..4] = ('c','d','e');
-print join(':',@bar[1..5]) eq ':c:d:e:' ? "ok 3\n" : "not ok 3\n";
+is(join(':',@bar[1..5]), ':c:d:e:');
 
 ($a,@bcd[0..2],$e) = ('a','b','c','d','e');
-print join(':',$a,@bcd[0..2],$e) eq 'a:b:c:d:e' ? "ok 4\n" : "not ok 4\n";
+is(join(':',$a,@bcd[0..2],$e), 'a:b:c:d:e');
 
 $x = 0;
 for (1..100) {
     $x += $_;
 }
-print $x == 5050 ? "ok 5\n" : "not ok 5 $x\n";
+is($x, 5050);
 
 $x = 0;
 for ((100,2..99,1)) {
     $x += $_;
 }
-print $x == 5050 ? "ok 6\n" : "not ok 6 $x\n";
+is($x, 5050);
 
 $x = join('','a'..'z');
-print $x eq 'abcdefghijklmnopqrstuvwxyz' ? "ok 7\n" : "not ok 7 $x\n";
+is($x, 'abcdefghijklmnopqrstuvwxyz');
 
 @x = 'A'..'ZZ';
-print @x == 27 * 26 ? "ok 8\n" : "not ok 8\n";
+is (scalar @x, 27 * 26);
 
 @x = '09' .. '08';  # should produce '09', '10',... '99' (strange but true)
-print "not " unless join(",", @x) eq
-                    join(",", map {sprintf "%02d",$_} 9..99);
-print "ok 9\n";
+is(join(",", @x), join(",", map {sprintf "%02d",$_} 9..99));
 
 # same test with foreach (which is a separate implementation)
 @y = ();
 foreach ('09'..'08') {
     push(@y, $_);
 }
-print "not " unless join(",", @y) eq join(",", @x);
-print "ok 10\n";
+is(join(",", @y), join(",", @x));
 
 # check bounds
-@a = 0x7ffffffe..0x7fffffff;
-print "not " unless "@a" eq "2147483646 2147483647";
-print "ok 11\n";
+if ($Config{ivsize} == 8) {
+  @a = eval "0x7ffffffffffffffe..0x7fffffffffffffff";
+  $a = "9223372036854775806 9223372036854775807";
+  @b = eval "-0x7fffffffffffffff..-0x7ffffffffffffffe";
+  $b = "-9223372036854775807 -9223372036854775806";
+}
+else {
+  @a = eval "0x7ffffffe..0x7fffffff";
+  $a = "2147483646 2147483647";
+  @b = eval "-0x7fffffff..-0x7ffffffe";
+  $b = "-2147483647 -2147483646";
+}
+
+is ("@a", $a);
 
-@a = -0x7fffffff..-0x7ffffffe;
-print "not " unless "@a" eq "-2147483647 -2147483646";
-print "ok 12\n";
+is ("@b", $b);
 
 # check magic
 {
@@ -61,21 +76,115 @@ print "ok 12\n";
     local $SIG{'__WARN__'} = sub { $bad = 1 };
     my $x = 'a-e';
     $x =~ s/(\w)-(\w)/join ':', $1 .. $2/e;
-    $bad = 1 unless $x eq 'a:b:c:d:e';
-    print $bad ? "not ok 13\n" : "ok 13\n";
+    is ($x, 'a:b:c:d:e');
 }
 
 # Should use magical autoinc only when both are strings
-print "not " unless 0 == (() = "0"..-1);
-print "ok 14\n";
-
-for my $x ("0"..-1) {
-    print "not ";
+{
+    my $scalar = (() = "0"..-1);
+    is ($scalar, 0);
+}
+{
+    my $fail = 0;
+    for my $x ("0"..-1) {
+	$fail++;
+    }
+    is ($fail, 0);
 }
-print "ok 15\n";
 
 # [#18165] Should allow "-4".."0", broken by #4730. (AMS 20021031)
-print join(":","-4".."0")      eq "-4:-3:-2:-1:0" ? "ok 16\n" : "not ok 16\n";
-print join(":","-4".."-0")     eq "-4:-3:-2:-1:0" ? "ok 17\n" : "not ok 17\n";
-print join(":","-4\n".."0\n")  eq "-4:-3:-2:-1:0" ? "ok 18\n" : "not ok 18\n";
-print join(":","-4\n".."-0\n") eq "-4:-3:-2:-1:0" ? "ok 19\n" : "not ok 19\n";
+is(join(":","-4".."0")     , "-4:-3:-2:-1:0");
+is(join(":","-4".."-0")    , "-4:-3:-2:-1:0");
+is(join(":","-4\n".."0\n") , "-4:-3:-2:-1:0");
+is(join(":","-4\n".."-0\n"), "-4:-3:-2:-1:0");
+
+# undef should be treated as 0 for numerical range
+is(join(":",undef..2), '0:1:2');
+is(join(":",-2..undef), '-2:-1:0');
+is(join(":",undef..'2'), '0:1:2');
+is(join(":",'-2'..undef), '-2:-1:0');
+
+# undef should be treated as "" for magical range
+is(join(":", map "[$_]", "".."B"), '[]');
+is(join(":", map "[$_]", undef.."B"), '[]');
+is(join(":", map "[$_]", "B"..""), '');
+is(join(":", map "[$_]", "B"..undef), '');
+
+# undef..undef used to segfault
+is(join(":", map "[$_]", undef..undef), '[]');
+
+# also test undef in foreach loops
+@foo=(); push @foo, $_ for undef..2;
+is(join(":", @foo), '0:1:2');
+
+@foo=(); push @foo, $_ for -2..undef;
+is(join(":", @foo), '-2:-1:0');
+
+@foo=(); push @foo, $_ for undef..'2';
+is(join(":", @foo), '0:1:2');
+
+@foo=(); push @foo, $_ for '-2'..undef;
+is(join(":", @foo), '-2:-1:0');
+
+@foo=(); push @foo, $_ for undef.."B";
+is(join(":", map "[$_]", @foo), '[]');
+
+@foo=(); push @foo, $_ for "".."B";
+is(join(":", map "[$_]", @foo), '[]');
+
+@foo=(); push @foo, $_ for "B"..undef;
+is(join(":", map "[$_]", @foo), '');
+
+@foo=(); push @foo, $_ for "B".."";
+is(join(":", map "[$_]", @foo), '');
+
+@foo=(); push @foo, $_ for undef..undef;
+is(join(":", map "[$_]", @foo), '[]');
+
+# again with magic
+{
+    my @a = (1..3);
+    @foo=(); push @foo, $_ for undef..$#a;
+    is(join(":", @foo), '0:1:2');
+}
+{
+    my @a = ();
+    @foo=(); push @foo, $_ for $#a..undef;
+    is(join(":", @foo), '-1:0');
+}
+{
+    local $1;
+    "2" =~ /(.+)/;
+    @foo=(); push @foo, $_ for undef..$1;
+    is(join(":", @foo), '0:1:2');
+}
+{
+    local $1;
+    "-2" =~ /(.+)/;
+    @foo=(); push @foo, $_ for $1..undef;
+    is(join(":", @foo), '-2:-1:0');
+}
+{
+    local $1;
+    "B" =~ /(.+)/;
+    @foo=(); push @foo, $_ for undef..$1;
+    is(join(":", map "[$_]", @foo), '[]');
+}
+{
+    local $1;
+    "B" =~ /(.+)/;
+    @foo=(); push @foo, $_ for ""..$1;
+    is(join(":", map "[$_]", @foo), '[]');
+}
+{
+    local $1;
+    "B" =~ /(.+)/;
+    @foo=(); push @foo, $_ for $1..undef;
+    is(join(":", map "[$_]", @foo), '');
+}
+{
+    local $1;
+    "B" =~ /(.+)/;
+    @foo=(); push @foo, $_ for $1.."";
+    is(join(":", map "[$_]", @foo), '');
+}