| 1 | BEGIN { |
| 2 | chdir 't' if -d 't'; |
| 3 | @INC = '../lib'; |
| 4 | require './test.pl'; |
| 5 | } |
| 6 | |
| 7 | use warnings; |
| 8 | no warnings "once"; |
| 9 | |
| 10 | my $Is_VMS = $^O eq 'VMS'; |
| 11 | |
| 12 | use Carp qw(carp cluck croak confess); |
| 13 | |
| 14 | plan tests => 39; |
| 15 | |
| 16 | ok 1; |
| 17 | |
| 18 | { local $SIG{__WARN__} = sub { |
| 19 | like $_[0], qr/ok (\d+)\n at.+\b(?i:carp\.t) line \d+$/, 'ok 2\n' }; |
| 20 | |
| 21 | carp "ok 2\n"; |
| 22 | |
| 23 | } |
| 24 | |
| 25 | { local $SIG{__WARN__} = sub { |
| 26 | like $_[0], qr/(\d+) at.+\b(?i:carp\.t) line \d+$/, 'carp 3' }; |
| 27 | |
| 28 | carp 3; |
| 29 | |
| 30 | } |
| 31 | |
| 32 | sub sub_4 { |
| 33 | |
| 34 | local $SIG{__WARN__} = sub { |
| 35 | like $_[0], qr/^(\d+) at.+\b(?i:carp\.t) line \d+\n\tmain::sub_4\(\) called at.+\b(?i:carp\.t) line \d+$/, 'cluck 4' }; |
| 36 | |
| 37 | cluck 4; |
| 38 | |
| 39 | } |
| 40 | |
| 41 | sub_4; |
| 42 | |
| 43 | { local $SIG{__DIE__} = sub { |
| 44 | like $_[0], qr/^(\d+) at.+\b(?i:carp\.t) line \d+\n\teval \Q{...}\E called at.+\b(?i:carp\.t) line \d+$/, 'croak 5' }; |
| 45 | |
| 46 | eval { croak 5 }; |
| 47 | } |
| 48 | |
| 49 | sub sub_6 { |
| 50 | local $SIG{__DIE__} = sub { |
| 51 | like $_[0], qr/^(\d+) at.+\b(?i:carp\.t) line \d+\n\teval \Q{...}\E called at.+\b(?i:carp\.t) line \d+\n\tmain::sub_6\(\) called at.+\b(?i:carp\.t) line \d+$/, 'confess 6' }; |
| 52 | |
| 53 | eval { confess 6 }; |
| 54 | } |
| 55 | |
| 56 | sub_6; |
| 57 | |
| 58 | ok(1); |
| 59 | |
| 60 | # test for caller_info API |
| 61 | my $eval = "use Carp; return Carp::caller_info(0);"; |
| 62 | my %info = eval($eval); |
| 63 | is($info{sub_name}, "eval '$eval'", 'caller_info API'); |
| 64 | |
| 65 | # test for '...::CARP_NOT used only once' warning from Carp |
| 66 | my $warning; |
| 67 | eval { |
| 68 | BEGIN { |
| 69 | local $SIG{__WARN__} = |
| 70 | sub { if( defined $^S ){ warn $_[0] } else { $warning = $_[0] } } |
| 71 | } |
| 72 | package Z; |
| 73 | BEGIN { eval { Carp::croak() } } |
| 74 | }; |
| 75 | ok !$warning, q/'...::CARP_NOT used only once' warning from Carp/; |
| 76 | |
| 77 | # Test the location of error messages. |
| 78 | like(A::short(), qr/^Error at C/, "Short messages skip carped package"); |
| 79 | |
| 80 | { |
| 81 | local @C::ISA = "D"; |
| 82 | like(A::short(), qr/^Error at B/, "Short messages skip inheritance"); |
| 83 | } |
| 84 | |
| 85 | { |
| 86 | local @D::ISA = "C"; |
| 87 | like(A::short(), qr/^Error at B/, "Short messages skip inheritance"); |
| 88 | } |
| 89 | |
| 90 | { |
| 91 | local @D::ISA = "B"; |
| 92 | local @B::ISA = "C"; |
| 93 | like(A::short(), qr/^Error at A/, "Inheritance is transitive"); |
| 94 | } |
| 95 | |
| 96 | { |
| 97 | local @B::ISA = "D"; |
| 98 | local @C::ISA = "B"; |
| 99 | like(A::short(), qr/^Error at A/, "Inheritance is transitive"); |
| 100 | } |
| 101 | |
| 102 | { |
| 103 | local @C::CARP_NOT = "D"; |
| 104 | like(A::short(), qr/^Error at B/, "Short messages see \@CARP_NOT"); |
| 105 | } |
| 106 | |
| 107 | { |
| 108 | local @D::CARP_NOT = "C"; |
| 109 | like(A::short(), qr/^Error at B/, "Short messages see \@CARP_NOT"); |
| 110 | } |
| 111 | |
| 112 | { |
| 113 | local @D::CARP_NOT = "B"; |
| 114 | local @B::CARP_NOT = "C"; |
| 115 | like(A::short(), qr/^Error at A/, "\@CARP_NOT is transitive"); |
| 116 | } |
| 117 | |
| 118 | { |
| 119 | local @B::CARP_NOT = "D"; |
| 120 | local @C::CARP_NOT = "B"; |
| 121 | like(A::short(), qr/^Error at A/, "\@CARP_NOT is transitive"); |
| 122 | } |
| 123 | |
| 124 | { |
| 125 | local @D::ISA = "C"; |
| 126 | local @D::CARP_NOT = "B"; |
| 127 | like(A::short(), qr/^Error at C/, "\@CARP_NOT overrides inheritance"); |
| 128 | } |
| 129 | |
| 130 | { |
| 131 | local @D::ISA = "B"; |
| 132 | local @D::CARP_NOT = "C"; |
| 133 | like(A::short(), qr/^Error at B/, "\@CARP_NOT overrides inheritance"); |
| 134 | } |
| 135 | |
| 136 | # %Carp::Internal |
| 137 | { |
| 138 | local $Carp::Internal{C} = 1; |
| 139 | like(A::short(), qr/^Error at B/, "Short doesn't report Internal"); |
| 140 | } |
| 141 | |
| 142 | { |
| 143 | local $Carp::Internal{D} = 1; |
| 144 | like(A::long(), qr/^Error at C/, "Long doesn't report Internal"); |
| 145 | } |
| 146 | |
| 147 | # %Carp::CarpInternal |
| 148 | { |
| 149 | local $Carp::CarpInternal{D} = 1; |
| 150 | like(A::short(), qr/^Error at B/ |
| 151 | , "Short doesn't report calls to CarpInternal"); |
| 152 | } |
| 153 | |
| 154 | { |
| 155 | local $Carp::CarpInternal{D} = 1; |
| 156 | like(A::long(), qr/^Error at C/, "Long doesn't report CarpInternal"); |
| 157 | } |
| 158 | |
| 159 | # tests for global variables |
| 160 | sub x { carp @_ } |
| 161 | sub w { cluck @_ } |
| 162 | |
| 163 | # $Carp::Verbose; |
| 164 | { my $aref = [ |
| 165 | qr/t at \S*(?i:carp.t) line \d+/, |
| 166 | qr/t at \S*(?i:carp.t) line \d+\n\s*main::x\('t'\) called at \S*(?i:carp.t) line \d+/ |
| 167 | ]; |
| 168 | my $i = 0; |
| 169 | |
| 170 | for my $re (@$aref) { |
| 171 | local $Carp::Verbose = $i++; |
| 172 | local $SIG{__WARN__} = sub { |
| 173 | like $_[0], $re, 'Verbose'; |
| 174 | }; |
| 175 | package Z; |
| 176 | main::x('t'); |
| 177 | } |
| 178 | } |
| 179 | |
| 180 | # $Carp::MaxEvalLen |
| 181 | { my $test_num = 1; |
| 182 | for(0,4) { |
| 183 | my $txt = "Carp::cluck($test_num)"; |
| 184 | local $Carp::MaxEvalLen = $_; |
| 185 | local $SIG{__WARN__} = sub { |
| 186 | "@_"=~/'(.+?)(?:\n|')/s; |
| 187 | is length($1), length($_?substr($txt,0,$_):substr($txt,0)), 'MaxEvalLen'; |
| 188 | }; |
| 189 | eval "$txt"; $test_num++; |
| 190 | } |
| 191 | } |
| 192 | |
| 193 | # $Carp::MaxArgLen |
| 194 | { |
| 195 | for(0,4) { |
| 196 | my $arg = 'testtest'; |
| 197 | local $Carp::MaxArgLen = $_; |
| 198 | local $SIG{__WARN__} = sub { |
| 199 | "@_"=~/'(.+?)'/; |
| 200 | is length($1), length($_?substr($arg,0,$_):substr($arg,0)), 'MaxArgLen'; |
| 201 | }; |
| 202 | |
| 203 | package Z; |
| 204 | main::w($arg); |
| 205 | } |
| 206 | } |
| 207 | |
| 208 | # $Carp::MaxArgNums |
| 209 | { my $i = 0; |
| 210 | my $aref = [ |
| 211 | qr/1234 at \S*(?i:carp.t) line \d+\n\s*main::w\(1, 2, 3, 4\) called at \S*(?i:carp.t) line \d+/, |
| 212 | qr/1234 at \S*(?i:carp.t) line \d+\n\s*main::w\(1, 2, \.\.\.\) called at \S*(?i:carp.t) line \d+/, |
| 213 | ]; |
| 214 | |
| 215 | for(@$aref) { |
| 216 | local $Carp::MaxArgNums = $i++; |
| 217 | local $SIG{__WARN__} = sub { |
| 218 | like "@_", $_, 'MaxArgNums'; |
| 219 | }; |
| 220 | |
| 221 | package Z; |
| 222 | main::w(1..4); |
| 223 | } |
| 224 | } |
| 225 | |
| 226 | # $Carp::CarpLevel |
| 227 | { my $i = 0; |
| 228 | my $aref = [ |
| 229 | qr/1 at \S*(?i:carp.t) line \d+\n\s*main::w\(1\) called at \S*(?i:carp.t) line \d+/, |
| 230 | qr/1 at \S*(?i:carp.t) line \d+$/, |
| 231 | ]; |
| 232 | |
| 233 | for (@$aref) { |
| 234 | local $Carp::CarpLevel = $i++; |
| 235 | local $SIG{__WARN__} = sub { |
| 236 | like "@_", $_, 'CarpLevel'; |
| 237 | }; |
| 238 | |
| 239 | package Z; |
| 240 | main::w(1); |
| 241 | } |
| 242 | } |
| 243 | |
| 244 | { |
| 245 | local $TODO = "VMS exit status semantics don't work this way" if $Is_VMS; |
| 246 | |
| 247 | # Check that croak() and confess() don't clobber $! |
| 248 | runperl(prog => 'use Carp; $@=q{Phooey}; $!=42; croak(q{Dead})', |
| 249 | stderr => 1); |
| 250 | |
| 251 | is($?>>8, 42, 'croak() doesn\'t clobber $!'); |
| 252 | |
| 253 | runperl(prog => 'use Carp; $@=q{Phooey}; $!=42; confess(q{Dead})', |
| 254 | stderr => 1); |
| 255 | |
| 256 | is($?>>8, 42, 'confess() doesn\'t clobber $!'); |
| 257 | } |
| 258 | |
| 259 | # undef used to be incorrectly reported as the string "undef" |
| 260 | sub cluck_undef { |
| 261 | |
| 262 | local $SIG{__WARN__} = sub { |
| 263 | like $_[0], qr/^Bang! at.+\b(?i:carp\.t) line \d+\n\tmain::cluck_undef\(0, 'undef', 2, undef, 4\) called at.+\b(?i:carp\.t) line \d+$/, "cluck doesn't quote undef" }; |
| 264 | |
| 265 | cluck "Bang!" |
| 266 | |
| 267 | } |
| 268 | |
| 269 | cluck_undef (0, "undef", 2, undef, 4); |
| 270 | |
| 271 | # check that Carp respects CORE::GLOBAL::caller override after Carp |
| 272 | # has been compiled |
| 273 | { |
| 274 | my $accum = ''; |
| 275 | local *CORE::GLOBAL::caller = sub { |
| 276 | local *__ANON__="fakecaller"; |
| 277 | my @c=CORE::caller(@_); |
| 278 | $c[0] ||= 'undef'; |
| 279 | $accum .= "@c[0..3]\n"; |
| 280 | return CORE::caller(($_[0]||0)+1); |
| 281 | }; |
| 282 | eval "scalar caller()"; |
| 283 | like( $accum, qr/main::fakecaller/, "test CORE::GLOBAL::caller override in eval"); |
| 284 | $accum = ''; |
| 285 | A::long(); |
| 286 | like( $accum, qr/main::fakecaller/, "test CORE::GLOBAL::caller override in Carp"); |
| 287 | } |
| 288 | |
| 289 | # line 1 "A" |
| 290 | package A; |
| 291 | sub short { |
| 292 | B::short(); |
| 293 | } |
| 294 | |
| 295 | sub long { |
| 296 | B::long(); |
| 297 | } |
| 298 | |
| 299 | # line 1 "B" |
| 300 | package B; |
| 301 | sub short { |
| 302 | C::short(); |
| 303 | } |
| 304 | |
| 305 | sub long { |
| 306 | C::long(); |
| 307 | } |
| 308 | |
| 309 | # line 1 "C" |
| 310 | package C; |
| 311 | sub short { |
| 312 | D::short(); |
| 313 | } |
| 314 | |
| 315 | sub long { |
| 316 | D::long(); |
| 317 | } |
| 318 | |
| 319 | # line 1 "D" |
| 320 | package D; |
| 321 | sub short { |
| 322 | eval{ Carp::croak("Error") }; |
| 323 | return $@; |
| 324 | } |
| 325 | |
| 326 | sub long { |
| 327 | eval{ Carp::confess("Error") }; |
| 328 | return $@; |
| 329 | } |