#!./perl
-# $RCSfile: goto.t,v $$Revision: 4.1 $$Date: 92/08/07 18:27:56 $
+# "This IS structured code. It's just randomly structured."
-print "1..5\n";
+BEGIN {
+ chdir 't' if -d 't';
+ @INC = qw(. ../lib);
+}
+
+print "1..32\n";
+
+require "test.pl";
while ($?) {
$foo = 1;
print "#2\t:$foo: == 4\n";
if ($foo == 4) {print "ok 2\n";} else {print "not ok 2\n";}
-$x = `./perl -e 'goto foo;' 2>&1`;
+$PERL = ($^O eq 'MSWin32') ? '.\perl' : ($^O eq 'MacOS') ? $^X : ($^O eq 'NetWare') ? 'perl' : './perl';
+$CMD = qq[$PERL -e "goto foo;" 2>&1 ];
+$x = `$CMD`;
+
if ($x =~ /label/) {print "ok 3\n";} else {print "not ok 3\n";}
sub foo {
&foo;
sub bar {
- $x = 'exitcode';
- eval "goto $x"; # Do not take this as exemplary code!!!
+ $x = 'bypass';
+ eval "goto $x";
}
&bar;
exit;
-exitcode:
+
+FINALE:
+print "ok 13\n";
+
+# does goto LABEL handle block contexts correctly?
+
+my $cond = 1;
+for (1) {
+ if ($cond == 1) {
+ $cond = 0;
+ goto OTHER;
+ }
+ elsif ($cond == 0) {
+ OTHER:
+ $cond = 2;
+ print "ok 14\n";
+ goto THIRD;
+ }
+ else {
+ THIRD:
+ print "ok 15\n";
+ }
+}
+print "ok 16\n";
+
+# Does goto work correctly within a for(;;) loop?
+# (BUG ID 20010309.004)
+
+for(my $i=0;!$i++;) {
+ my $x=1;
+ goto label;
+ label: print (defined $x?"ok ": "not ok ", "17\n")
+}
+
+# Does goto work correctly going *to* a for(;;) loop?
+# (make sure it doesn't skip the initializer)
+
+my ($z, $y) = (0);
+FORL1: for($y="ok 18\n"; $z;) {print $y; goto TEST19}
+($y,$z) = ("not ok 18\n", 1);
+goto FORL1;
+
+# Even from within the loop?
+
+TEST19: $z = 0;
+FORL2: for($y="ok 19\n"; 1;) {
+ if ($z) {
+ print $y;
+ last;
+ }
+ ($y, $z) = ("not ok 19\n", 1);
+ goto FORL2;
+}
+
+# Does goto work correctly within a try block?
+# (BUG ID 20000313.004)
+
+my $ok = 0;
+eval {
+ my $variable = 1;
+ goto LABEL20;
+ LABEL20: $ok = 1 if $variable;
+};
+print ($ok&&!$@ ? "ok 20\n" : "not ok 20\n");
+
+# And within an eval-string?
+
+
+$ok = 0;
+eval q{
+ my $variable = 1;
+ goto LABEL21;
+ LABEL21: $ok = 1 if $variable;
+};
+print ($ok&&!$@ ? "ok 21\n" : "not ok 21\n");
+
+
+# Test that goto works in nested eval-string
+$ok = 0;
+{eval q{
+ eval q{
+ goto LABEL22;
+ };
+ $ok = 0;
+ last;
+
+ LABEL22: $ok = 1;
+};
+$ok = 0 if $@;
+}
+print ($ok ? "ok 22\n" : "not ok 22\n");
+
+{
+ my $false = 0;
+
+ $ok = 0;
+ { goto A; A: $ok = 1 } continue { }
+ print "not " unless $ok;
+ print "ok 23 - #20357 goto inside /{ } continue { }/ loop\n";
+
+ $ok = 0;
+ { do { goto A; A: $ok = 1 } while $false }
+ print "not " unless $ok;
+ print "ok 24 - #20154 goto inside /do { } while ()/ loop\n";
+
+ $ok = 0;
+ foreach(1) { goto A; A: $ok = 1 } continue { };
+ print "not " unless $ok;
+ print "ok 25 - goto inside /foreach () { } continue { }/ loop\n";
+
+ $ok = 0;
+ sub a {
+ A: { if ($false) { redo A; B: $ok = 1; redo A; } }
+ goto B unless $r++
+ }
+ a();
+ print "not " unless $ok;
+ print "ok 26 - #19061 loop label wiped away by goto\n";
+
+ $ok = 0;
+ for ($p=1;$p && goto A;$p=0) { A: $ok = 1 }
+ print "not " unless $ok;
+ print "ok 27 - weird case of goto and for(;;) loop\n";
+}
+
+# bug #9990 - don't prematurely free the CV we're &going to.
+
+sub f1 {
+ my $x;
+ goto sub { $x; print "ok 28 - don't prematurely free CV\n" }
+}
+f1();
+
+# bug #22181 - this used to coredump or make $x undefined, due to
+# erroneous popping of the inner BLOCK context
+
+for ($i=0; $i<2; $i++) {
+ my $x = 1;
+ goto LABEL29;
+ LABEL29:
+ print "not " if !defined $x || $x != 1;
+}
+print "ok 29 - goto in for(;;) with continuation\n";
+
+# bug #22299 - goto in require doesn't find label
+
+open my $f, ">goto01.pm" or die;
+print $f <<'EOT';
+package goto01;
+goto YYY;
+die;
+YYY: print "OK\n";
+1;
+EOT
+close $f;
+
+curr_test(30);
+my $r = runperl(prog => 'use goto01; print qq[DONE\n]');
+is($r, "OK\nDONE\n", "goto within use-d file");
+unlink "goto01.pm";
+
+# test for [perl #24108]
+sub i_return_a_label {
+ print "ok 31 - i_return_a_label called\n";
+ return "returned_label";
+}
+eval { goto +i_return_a_label; };
+print "not ";
+returned_label : print "ok 32 - done to returned_label\n";
+
+exit;
+
+bypass:
print "ok 5\n";
+
+# Test autoloading mechanism.
+
+sub two {
+ ($pack, $file, $line) = caller; # Should indicate original call stats.
+ print "@_ $pack $file $line" eq "1 2 3 main $FILE $LINE"
+ ? "ok 7\n"
+ : "not ok 7\n";
+}
+
+sub one {
+ eval <<'END';
+ sub one { print "ok 6\n"; goto &two; print "not ok 6\n"; }
+END
+ goto &one;
+}
+
+$FILE = __FILE__;
+$LINE = __LINE__ + 1;
+&one(1,2,3);
+
+$wherever = NOWHERE;
+eval { goto $wherever };
+print $@ =~ /Can't find label NOWHERE/ ? "ok 8\n" : "not ok 8\n";
+
+# see if a modified @_ propagates
+{
+ package Foo;
+ sub DESTROY { my $s = shift; print "ok $s->[0]\n"; }
+ sub show { print "# @_\nnot ok $_[0][0]\n" if @_ != 5; }
+ sub start { push @_, 1, "foo", {}; goto &show; }
+ for (9..11) { start(bless([$_]), 'bar'); }
+}
+
+sub auto {
+ goto &loadit;
+}
+
+sub AUTOLOAD { print @_ }
+
+auto("ok 12\n");
+
+$wherever = FINALE;
+goto $wherever;