13 my $wa = []; my $ea = [];
14 $SIG{__WARN__} = sub { push @warnings, $_[0] };
19 ok @warnings==1 && $warnings[0] eq "foo\n";
24 ok @warnings==1 && $warnings[0] eq "foobar\n";
29 ok @warnings==1 && $warnings[0] eq "foo at warn.t line 28.\n";
34 ok @warnings==1 && ref($warnings[0]) eq "ARRAY" && $warnings[0] == $wa;
40 $warnings[0] eq "Warning: something's wrong at warn.t line 38.\n";
46 $warnings[0] eq "Warning: something's wrong at warn.t line 44.\n";
51 ok @warnings==1 && $warnings[0] eq "foo\n";
56 ok @warnings==1 && $warnings[0] eq "foobar\n";
61 ok @warnings==1 && $warnings[0] eq "foo at warn.t line 60.\n";
66 ok @warnings==1 && ref($warnings[0]) eq "ARRAY" && $warnings[0] == $wa;
72 $warnings[0] eq "ERR\n\t...caught at warn.t line 70.\n";
78 $warnings[0] eq "ERR\n\t...caught at warn.t line 76.\n";
83 ok @warnings==1 && $warnings[0] eq "foo\n";
88 ok @warnings==1 && $warnings[0] eq "foobar\n";
93 ok @warnings==1 && $warnings[0] eq "foo at warn.t line 92.\n";
98 ok @warnings==1 && ref($warnings[0]) eq "ARRAY" && $warnings[0] == $wa;
103 ok @warnings==1 && ref($warnings[0]) eq "ARRAY" && $warnings[0] == $ea;
108 ok @warnings==1 && ref($warnings[0]) eq "ARRAY" && $warnings[0] == $ea;
113 print STDERR $a; warn $a;
115 print STDERR $a; warn $a;
117 qr/^\xee(?:\r?\n\xee){3}/,
118 { switches => [ "-C0" ] },
119 'warn emits logical characters, not internal bytes [perl #45549]'
123 skip_if_miniperl('miniperl ignores -C', 1);
127 print STDERR $a; warn $a;
129 print STDERR $a; warn $a;
131 qr/^\xc3\xae(?:\r?\n\xc3\xae){3}/,
132 { switches => ['-CE'] },
133 'warn respects :utf8 layer'
139 qr/^Wide character in warn .*\n\xc4\xac at /,
140 { switches => [ "-C0" ] },
141 'Wide character in warn (not print)'
146 qr/^ARRAY\(0x[\da-f]+\) at /a,
148 'warn stringifies in the absence of $SIG{__WARN__}'
152 tie $@, "Tie::StdScalar";
158 like $warnings[0], qr/^foo\n\t\.\.\.caught at warn\.t /,
159 '...caught is appended to tied $@';
164 local *{ref(tied $@) . "::STORE"} = sub {};
169 is $warnings[0], \$_, '!SvOK tied $@ that returns ref is used';
176 use overload '""' => sub { "" };
178 tie $t, Tie::StdScalar;
181 local *{ref(tied $t) . "::STORE"} = sub {};
186 object_ok $warnings[0], 'o',
187 'warn $tie_returning_object_that_stringifes_emptily';
190 eval "#line 42 Cholmondeley\n \$\@ = '3'; warn";
191 eval "#line 42 Cholmondeley\n \$\@ = 3; warn";
193 is $warnings[1], $warnings[0], 'warn treats $@=3 and $@="3" the same way';
195 fresh_perl_is(<<'EOF', "should be line 4 at - line 4.\n", {stderr => 1}, "");
198 } = "should be line 4";
203 local $::TODO = "Line numbers don't yet match up for \${ EXPR }";
204 my $expected = <<'EOF';
207 also line 4 at - line 4.
210 fresh_perl_is(<<'EOF', $expected, {stderr => 1}, "");
214 } = "line 5") && warn("line 4"); warn("also line 4");