xref: /onnv-gate/usr/src/cmd/perl/5.8.4/distrib/t/comp/hints.t (revision 0:68f95e015346)
1#!./perl
2
3# Tests the scoping of $^H and %^H
4
5BEGIN {
6    chdir 't' if -d 't';
7    @INC = qw(. ../lib);
8}
9
10
11BEGIN { print "1..15\n"; }
12BEGIN {
13    print "not " if exists $^H{foo};
14    print "ok 1 - \$^H{foo} doesn't exist initially\n";
15    print "not " if $^H & 0x00020000;
16    print "ok 2 - \$^H doesn't contain HINT_LOCALIZE_HH initially\n";
17}
18{
19    # simulate a pragma -- don't forget HINT_LOCALIZE_HH
20    BEGIN { $^H |= 0x00020000; $^H{foo} = "a"; }
21    BEGIN {
22	print "not " if $^H{foo} ne "a";
23	print "ok 3 - \$^H{foo} is now 'a'\n";
24	print "not " unless $^H & 0x00020000;
25	print "ok 4 - \$^H contains HINT_LOCALIZE_HH while compiling\n";
26    }
27    {
28	BEGIN { $^H |= 0x00020000; $^H{foo} = "b"; }
29	BEGIN {
30	    print "not " if $^H{foo} ne "b";
31	    print "ok 5 - \$^H{foo} is now 'b'\n";
32	}
33    }
34    BEGIN {
35	print "not " if $^H{foo} ne "a";
36	print "ok 6 - \$H^{foo} restored to 'a'\n";
37    }
38    # The pragma settings disappear after compilation
39    # (test at CHECK-time and at run-time)
40    CHECK {
41	print "not " if exists $^H{foo};
42	print "ok 9 - \$^H{foo} doesn't exist when compilation complete\n";
43	print "not " if $^H & 0x00020000;
44	print "ok 10 - \$^H doesn't contain HINT_LOCALIZE_HH when compilation complete\n";
45    }
46    print "not " if exists $^H{foo};
47    print "ok 11 - \$^H{foo} doesn't exist at runtime\n";
48    print "not " if $^H & 0x00020000;
49    print "ok 12 - \$^H doesn't contain HINT_LOCALIZE_HH at run-time\n";
50    # op_entereval should keep the pragmas it was compiled with
51    eval q*
52	print "not " if $^H{foo} ne "a";
53	print "ok 13 - \$^H{foo} is 'a' at eval-\"\" time # TODO\n";
54	print "not " unless $^H & 0x00020000;
55	print "ok 14 - \$^H contains HINT_LOCALIZE_HH at eval\"\"-time\n";
56    *;
57}
58BEGIN {
59    print "not " if exists $^H{foo};
60    print "ok 7 - \$^H{foo} doesn't exist while finishing compilation\n";
61    print "not " if $^H & 0x00020000;
62    print "ok 8 - \$^H doesn't contain HINT_LOCALIZE_HH while finishing compilation\n";
63}
64
65require 'test.pl';
66
67# bug #27040: hints hash was being double-freed
68my $result = runperl(
69    prog => '$^H |= 0x20000; eval q{BEGIN { $^H |= 0x20000 }}',
70    stderr => 1
71);
72print "not " if length $result;
73print "ok 15 - double-freeing hints hash\n";
74print "# got: $result\n" if length $result;
75
76