3 # Checks if the parser behaves correctly in edge cases
4 # (including weird syntax errors)
15 like( $@, qr/^Can't modify hash dereference in repeat \(x\)/, '%@x=0' );
18 eval q{{s//${}/; //}};
19 like( $@, qr/syntax error/, 'syntax error, used to dump core' );
23 like( $@, qr/^Missing right brace on \\x/,
24 'syntax error in string, used to dump core' );
26 eval "a.b.c.d.e.f;sub";
27 like( $@, qr/^Illegal declaration of anonymous subroutine/,
28 'found by Markov chain stress testing' );
31 eval '($a, b) = (1, 2);';
32 like( $@, qr/^Can't modify constant item in list assignment/,
33 'bareword in list assignment' );
35 eval 'tie FOO, "Foo";';
36 like( $@, qr/^Can't modify constant item in tie /,
37 'tying a bareword causes a segfault in 5.6.1' );
40 like( $@, qr/^Can't modify constant item in undef operator /,
41 'undefing constant causes a segfault in 5.6.1 [ID 20010906.019]' );
43 eval 'read($bla, FILE, 1);';
44 like( $@, qr/^Can't modify constant item in read /,
45 'read($var, FILE, 1) segfaults on 5.6.1 [ID 20011025.054]' );
47 # This used to dump core (bug #17920)
48 eval q{ sub { sub { f1(f2();); my($a,$b,$c) } } };
49 like( $@, qr/error/, 'lexical block discarded by yacc' );
51 # bug #18573, used to corrupt memory
53 like( $@, qr/^Missing control char name in \\c/, q("\c" string) );
55 # two tests for memory corruption problems in the said variables
56 # (used to dump core or produce strange results)
58 is( "\Q\Q\Q\Q\Q\Q\Q\Q\Q\Q\Q\Q\Qa", "a", "PL_lex_casestack" );
61 {{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{
62 {{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{
63 {{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{
64 }}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}
65 }}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}
66 }}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}
68 is( $@, '', 'PL_lex_brackstack' );
73 my $a="a"; is("${a}{", "a{", "scope error #20716");
74 my $a="a"; is("${a}[", "a[", "scope error #20716");
75 my @b=("b"); is("@{b}{", "b{", "scope error #20716");