buglet: sub a(;&) { } doesn't work

[p5sagit/p5-mst-13.2.git] / t / comp / parser.t

diff --git a/t/comp/parser.t b/t/comp/parser.t
index ab43e73..25025cc 100644 (file)
--- a/t/comp/parser.t
+++ b/t/comp/parser.t
@@ -9,7 +9,7 @@ BEGIN {
 }
 
 require "./test.pl";
-plan( tests => 10 );
+plan( tests => 38 );
 
 eval '%@x=0;';
 like( $@, qr/^Can't modify hash dereference in repeat \(x\)/, '%@x=0' );
@@ -51,3 +51,72 @@ like( $@, qr/error/, 'lexical block discarded by yacc' );
 # bug #18573, used to corrupt memory
 eval q{ "\c" };
 like( $@, qr/^Missing control char name in \\c/, q("\c" string) );
+
+# two tests for memory corruption problems in the said variables
+# (used to dump core or produce strange results)
+
+is( "\Q\Q\Q\Q\Q\Q\Q\Q\Q\Q\Q\Q\Qa", "a", "PL_lex_casestack" );
+
+eval {
+{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{
+{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{
+{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{
+}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}
+}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}
+}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}
+};
+is( $@, '', 'PL_lex_brackstack' );
+
+{
+    # tests for bug #20716
+    undef $a;
+    undef @b;
+    my $a="A";
+    is("${a}{", "A{", "interpolation, qq//");
+    is("${a}[", "A[", "interpolation, qq//");
+    my @b=("B");
+    is("@{b}{", "B{", "interpolation, qq//");
+    is(qr/${a}{/, '(?-xism:A{)', "interpolation, qr//");
+    my $c = "A{";
+    $c =~ /${a}{/;
+    is($&, 'A{', "interpolation, m//");
+    $c =~ s/${a}{/foo/;
+    is($c, 'foo', "interpolation, s/...//");
+    $c =~ s/foo/${a}{/;
+    is($c, 'A{', "interpolation, s//.../");
+    is(<<"${a}{", "A{ A[ B{\n", "interpolation, here doc");
+${a}{ ${a}[ @{b}{
+${a}{
+}
+
+eval q{ sub a(;; &) { } a { } };
+is($@, '', "';&' sub prototype confuses the lexer");
+
+# Bug #21575
+# ensure that the second print statement works, by playing a bit
+# with the test output.
+my %data = ( foo => "\n" );
+print "#";
+print(
+$data{foo});
+pass();
+
+# Bug #21875
+# { q.* => ... } should be interpreted as hash, not block
+
+foreach my $line (split /\n/, <<'EOF')
+1 { foo => 'bar' }
+1 { qoo => 'bar' }
+1 { q   => 'bar' }
+1 { qq  => 'bar' }
+0 { q,'bar', }
+0 { q=bar= }
+0 { qq=bar= }
+1 { q=bar= => 'bar' }
+EOF
+{
+    my ($expect, $eval) = split / /, $line, 2;
+    my $result = eval $eval;
+    ok($@ eq  '', "eval $eval");
+    is(ref $result, $expect ? 'HASH' : '', $eval);
+}