9 use vars qw{ @warnings };
10 BEGIN { # ...and save 'em for later
11 $SIG{'__WARN__'} = sub { push @warnings, @_ }
13 END { print @warnings }
15 ######################### We start with some black magic to print on failure.
17 BEGIN { $| = 1; print "1..82\n"; }
18 END {print "not ok 1\n" unless $loaded;}
21 #print "# Version: $constant::VERSION\n";
24 ######################### End of black magic.
29 my($num, $bool, $diag) = @_;
34 print "not ok $num\n";
35 return unless defined $diag;
36 $diag =~ s/\Z\n?/\n/; # unchomp
37 print map "# $num : $_", split m/^/m, $diag;
40 use constant PI => 4 * atan2 1, 1;
42 test 2, substr(PI, 0, 7) eq '3.14159';
45 sub deg2rad { PI * $_[0] / 180 }
47 my $ninety = deg2rad 90;
49 test 4, $ninety > 1.5707;
50 test 5, $ninety < 1.5708;
52 use constant UNDEF1 => undef; # the right way
53 use constant UNDEF2 => ; # the weird way
54 use constant 'UNDEF3' ; # the 'short' way
55 use constant EMPTY => ( ) ; # the right way for lists
57 test 6, not defined UNDEF1;
58 test 7, not defined UNDEF2;
59 test 8, not defined UNDEF3;
62 test 10, not defined $undef[0];
70 use constant COUNTDOWN => scalar reverse 1, 2, 3, 4, 5;
71 use constant COUNTLIST => reverse 1, 2, 3, 4, 5;
72 use constant COUNTLAST => (COUNTLIST)[-1];
74 test 14, COUNTDOWN eq '54321';
77 test 16, COUNTDOWN eq join '', @cl;
78 test 17, COUNTLAST == 1;
79 test 18, (COUNTLIST)[1] == 4;
81 use constant ABC => 'ABC';
82 test 19, "abc${\( ABC )}abc" eq "abcABCabc";
84 use constant DEF => 'D', 'E', chr ord 'F';
85 test 20, "d e f @{[ DEF ]} d e f" eq "d e f D E F d e f";
87 use constant SINGLE => "'";
88 use constant DOUBLE => '"';
89 use constant BACK => '\\';
90 my $tt = BACK . SINGLE . DOUBLE ;
91 test 21, $tt eq q(\\'");
93 use constant MESS => q('"'\\"'"\\);
94 test 22, MESS eq q('"'\\"'"\\);
95 test 23, length(MESS) == 8;
97 use constant TRAILING => '12 cats';
99 no warnings 'numeric';
100 test 24, TRAILING == 12;
102 test 25, TRAILING eq '12 cats';
104 use constant LEADING => " \t1234";
105 test 26, LEADING == 1234;
106 test 27, LEADING eq " \t1234";
108 use constant ZERO1 => 0;
109 use constant ZERO2 => 0.0;
110 use constant ZERO3 => '0.0';
111 test 28, ZERO1 eq '0';
112 test 29, ZERO2 eq '0';
113 test 30, ZERO3 eq '0.0';
117 use constant PI => 3.141;
120 test 31, (PI > 3.1415 and PI < 3.1416);
121 test 32, Other::PI == 3.141;
123 use constant E2BIG => $! = 7;
125 # This is something like "Arg list too long", but the actual message
126 # text may vary, so we can't test much better than this.
127 test 34, length(E2BIG) > 6;
128 test 35, index(E2BIG, " ") > 0;
130 test 36, @warnings == 0, join "\n", "unexpected warning", @warnings;
131 @warnings = (); # just in case
133 test 37, @warnings &&
134 ($warnings[0] =~ /Constant sub.* undefined/),
137 test 38, @warnings == 0, "unexpected warning";
140 use constant CSCALAR => \"ok 40\n";
141 use constant CHASH => { foo => "ok 41\n" };
142 use constant CARRAY => [ undef, "ok 42\n" ];
143 use constant CPHASH => [ { foo => 1 }, "ok 43\n" ];
144 use constant CCODE => sub { "ok $_[0]\n" };
150 eval q{ CPHASH->{bar} };
151 test 44, scalar($@ =~ /^No such pseudo-hash field/);
153 eval q{ CCODE->{foo} };
154 test 46, scalar($@ =~ /^Constant is not a HASH/);
156 # Allow leading underscore
157 use constant _PRIVATE => 47;
158 test 47, _PRIVATE == 47;
160 # Disallow doubled leading underscore
162 use constant __DISALLOWED => "Oops";
164 test 48, $@ =~ /begins with '__'/;
166 # Check on declared() and %declared. This sub should be EXACTLY the
167 # same as the one quoted in the docs!
169 use constant 1.01; # don't omit this!
171 $name =~ s/^::/main::/;
173 my $full_name = $name =~ /::/ ? $name : "${pkg}::$name";
174 $constant::declared{$full_name};
177 test 49, declared 'PI';
178 test 50, $constant::declared{'main::PI'};
180 test 51, !declared 'PIE';
181 test 52, !$constant::declared{'main::PIE'};
185 use constant IN_OTHER_PACK => 42;
186 ::test 53, ::declared 'IN_OTHER_PACK';
187 ::test 54, $constant::declared{'Other::IN_OTHER_PACK'};
188 ::test 55, ::declared 'main::PI';
189 ::test 56, $constant::declared{'main::PI'};
192 test 57, declared 'Other::IN_OTHER_PACK';
193 test 58, $constant::declared{'Other::IN_OTHER_PACK'};
198 use warnings 'constant';
199 use constant 'BEGIN' => 1 ;
200 use constant 'INIT' => 1 ;
201 use constant 'CHECK' => 1 ;
202 use constant 'END' => 1 ;
203 use constant 'DESTROY' => 1 ;
204 use constant 'AUTOLOAD' => 1 ;
205 use constant 'STDIN' => 1 ;
206 use constant 'STDOUT' => 1 ;
207 use constant 'STDERR' => 1 ;
208 use constant 'ARGV' => 1 ;
209 use constant 'ARGVOUT' => 1 ;
210 use constant 'ENV' => 1 ;
211 use constant 'INC' => 1 ;
212 use constant 'SIG' => 1 ;
215 test 59, @warnings == 15 ;
216 test 60, (shift @warnings) =~ /^Constant name 'BEGIN' is a Perl keyword at/;
217 shift @warnings; #Constant subroutine BEGIN redefined at
218 test 61, (shift @warnings) =~ /^Constant name 'INIT' is a Perl keyword at/;
219 test 62, (shift @warnings) =~ /^Constant name 'CHECK' is a Perl keyword at/;
220 test 63, (shift @warnings) =~ /^Constant name 'END' is a Perl keyword at/;
221 test 64, (shift @warnings) =~ /^Constant name 'DESTROY' is a Perl keyword at/;
222 test 65, (shift @warnings) =~ /^Constant name 'AUTOLOAD' is a Perl keyword at/;
223 test 66, (shift @warnings) =~ /^Constant name 'STDIN' is forced into package main:: a/;
224 test 67, (shift @warnings) =~ /^Constant name 'STDOUT' is forced into package main:: at/;
225 test 68, (shift @warnings) =~ /^Constant name 'STDERR' is forced into package main:: at/;
226 test 69, (shift @warnings) =~ /^Constant name 'ARGV' is forced into package main:: at/;
227 test 70, (shift @warnings) =~ /^Constant name 'ARGVOUT' is forced into package main:: at/;
228 test 71, (shift @warnings) =~ /^Constant name 'ENV' is forced into package main:: at/;
229 test 72, (shift @warnings) =~ /^Constant name 'INC' is forced into package main:: at/;
230 test 73, (shift @warnings) =~ /^Constant name 'SIG' is forced into package main:: at/;
236 FAMILY => [ qw( John Jane Sally ) ],
237 AGES => { John => 33, Jane => 28, Sally => 3 },
238 RFAM => [ [ qw( John Jane Sally ) ] ],
239 SPIT => sub { shift },
240 PHFAM => [ { John => 1, Jane => 2, Sally => 3 }, 33, 28, 3 ],
243 test 74, @{+FAMILY} == THREE;
244 test 75, @{+FAMILY} == @{RFAM->[0]};
245 test 76, FAMILY->[2] eq RFAM->[0]->[2];
246 test 77, AGES->{FAMILY->[1]} == 28;
247 test 78, PHFAM->{John} == AGES->{John};
248 test 79, PHFAM->[3] == AGES->{FAMILY->[2]};
249 test 80, @{+PHFAM} == SPIT->(THREE+1);
250 test 81, THREE**3 eq SPIT->(@{+FAMILY}**3);
251 test 82, AGES->{FAMILY->[THREE-1]} == PHFAM->[THREE];