eliminate HINT_HH_FOR_EVAL

[perl5.git] / t / comp / hints.t

diff --git a/t/comp/hints.t b/t/comp/hints.t
index 5911b77..d15a44a 100644 (file)
--- a/t/comp/hints.t
+++ b/t/comp/hints.t
@@ -1,36 +1,75 @@
-#!./perl -w
+#!./perl
 
-BEGIN { print "1..7\n"; }
+# Tests the scoping of $^H and %^H
+
+BEGIN {
+    chdir 't' if -d 't';
+    @INC = qw(. ../lib);
+}
+
+
+BEGIN { print "1..15\n"; }
 BEGIN {
     print "not " if exists $^H{foo};
     print "ok 1 - \$^H{foo} doesn't exist initially\n";
+    print "not " if $^H & 0x00020000;
+    print "ok 2 - \$^H doesn't contain HINT_LOCALIZE_HH initially\n";
 }
 {
     # simulate a pragma -- don't forget HINT_LOCALIZE_HH
-    BEGIN { $^H |= 0x00020000; $^H{foo} = "a"; }
+    BEGIN { $^H |= 0x04020000; $^H{foo} = "a"; }
     BEGIN {
        print "not " if $^H{foo} ne "a";
-       print "ok 2 - \$^H{foo} is now 'a'\n";
+       print "ok 3 - \$^H{foo} is now 'a'\n";
+       print "not " unless $^H & 0x00020000;
+       print "ok 4 - \$^H contains HINT_LOCALIZE_HH while compiling\n";
     }
     {
        BEGIN { $^H |= 0x00020000; $^H{foo} = "b"; }
        BEGIN {
            print "not " if $^H{foo} ne "b";
-           print "ok 3 - \$^H{foo} is now 'b'\n";
+           print "ok 5 - \$^H{foo} is now 'b'\n";
        }
     }
     BEGIN {
        print "not " if $^H{foo} ne "a";
-       print "ok 4 - \$H^{foo} restored to 'a'\n";
+       print "ok 6 - \$H^{foo} restored to 'a'\n";
     }
+    # The pragma settings disappear after compilation
+    # (test at CHECK-time and at run-time)
     CHECK {
        print "not " if exists $^H{foo};
-       print "ok 6 - \$^H{foo} doesn't exist when compilation complete\n";
+       print "ok 9 - \$^H{foo} doesn't exist when compilation complete\n";
+       print "not " if $^H & 0x00020000;
+       print "ok 10 - \$^H doesn't contain HINT_LOCALIZE_HH when compilation complete\n";
     }
     print "not " if exists $^H{foo};
-    print "ok 7 - \$^H{foo} doesn't exist at runtime\n";
+    print "ok 11 - \$^H{foo} doesn't exist at runtime\n";
+    print "not " if $^H & 0x00020000;
+    print "ok 12 - \$^H doesn't contain HINT_LOCALIZE_HH at run-time\n";
+    # op_entereval should keep the pragmas it was compiled with
+    eval q*
+       print "not " if $^H{foo} ne "a";
+       print "ok 13 - \$^H{foo} is 'a' at eval-\"\" time\n";
+       print "not " unless $^H & 0x00020000;
+       print "ok 14 - \$^H contains HINT_LOCALIZE_HH at eval\"\"-time\n";
+    *;
 }
 BEGIN {
     print "not " if exists $^H{foo};
-    print "ok 5 - \$^H{foo} doesn't exist while finishing compilation\n";
+    print "ok 7 - \$^H{foo} doesn't exist while finishing compilation\n";
+    print "not " if $^H & 0x00020000;
+    print "ok 8 - \$^H doesn't contain HINT_LOCALIZE_HH while finishing compilation\n";
 }
+
+require 'test.pl';
+
+# bug #27040: hints hash was being double-freed
+my $result = runperl(
+    prog => '$^H |= 0x20000; eval q{BEGIN { $^H |= 0x20000 }}',
+    stderr => 1
+);
+print "not " if length $result;
+print "ok 15 - double-freeing hints hash\n";
+print "# got: $result\n" if length $result;
+