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toke.c: S_scan_heredoc: prune dead code
[perl5.git] / t / op / heredoc.t
CommitLineData
c8e9f72f 1# tests for heredocs besides what is tested in base/lex.t
c49688b0 2
c8e9f72f
DN
3BEGIN {
4 chdir 't' if -d 't';
5 @INC = '../lib';
6 require './test.pl';
7}
8
c49688b0 9use strict;
0ee36494 10plan(tests => 8);
c49688b0
MS
11
12
13# heredoc without newline (#65838)
14{
15 my $string = <<'HEREDOC';
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DN
16testing for 65838
17HEREDOC
c8e9f72f 18
c49688b0
MS
19 my $code = "<<'HEREDOC';\n${string}HEREDOC"; # HD w/o newline, in eval-string
20 my $hd = eval $code or warn "$@ ---";
21 is($hd, $string, "no terminating newline in string-eval");
22}
23
24
25# here-doc edge cases
26{
27 my $string = "testing for 65838";
28
29 fresh_perl_is(
30 "print <<'HEREDOC';\n${string}\nHEREDOC",
31 $string,
32 {},
33 "heredoc at EOF without trailing newline"
34 );
35
36 fresh_perl_is(
37 "print <<;\n$string\n",
38 $string,
3f29db7f 39 { switches => ['-X'] },
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MS
40 "blank-terminated heredoc at EOF"
41 );
112d1284
FC
42 fresh_perl_is(
43 "print <<\n$string\n",
44 $string,
45 { switches => ['-X'] },
46 "blank-terminated heredoc at EOF and no semicolon"
47 );
0ee36494
FC
48 fresh_perl_is(
49 "print <<foo\r\nick and queasy\r\nfoo\r\n",
50 'ick and queasy',
51 { switches => ['-X'] },
52 "crlf-terminated heredoc"
53 );
c8e9f72f 54}
c8e9f72f 55
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MS
56
57# here-doc parse failures
58{
59 fresh_perl_like(
60 "print <<HEREDOC;\nwibble\n HEREDOC",
61 qr/find string terminator/,
62 {},
63 "string terminator must start at newline"
64 );
65
66 fresh_perl_like(
67 "print <<;\nno more newlines",
68 qr/find string terminator/,
3f29db7f 69 { switches => ['-X'] },
c49688b0
MS
70 "empty string terminator still needs a newline"
71 );
72
73 fresh_perl_like(
74 "print <<ThisTerminatorIsLongerThanTheData;\nno more newlines",
75 qr/find string terminator/,
76 {},
77 "long terminator fails correctly"
78 );
79}