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1 | use strict; |
2 | use warnings; |
3 | |
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4 | use Test::More tests => 73; |
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5 | use Test::Exception; |
6 | |
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7 | use Class::MOP; |
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8 | |
9 | { |
10 | package Foo; |
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11 | |
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12 | use strict; |
13 | use warnings; |
14 | use metaclass; |
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15 | |
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16 | __PACKAGE__->meta->add_attribute('bar'); |
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17 | |
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18 | package Bar; |
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19 | |
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20 | use strict; |
21 | use warnings; |
22 | use metaclass; |
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23 | |
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24 | __PACKAGE__->meta->superclasses('Foo'); |
25 | |
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26 | __PACKAGE__->meta->add_attribute('baz'); |
27 | |
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28 | package Baz; |
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29 | |
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30 | use strict; |
31 | use warnings; |
32 | use metaclass; |
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33 | |
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34 | __PACKAGE__->meta->superclasses('Bar'); |
35 | |
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36 | __PACKAGE__->meta->add_attribute('bah'); |
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37 | } |
38 | |
39 | { |
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40 | my $meta = Foo->meta; |
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41 | my $original_metaclass_name = ref $meta; |
42 | |
43 | $meta->make_immutable; |
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44 | |
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45 | my $immutable_metaclass = $meta->_immutable_metaclass->meta; |
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46 | |
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47 | my $immutable_class_name = $immutable_metaclass->name; |
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48 | |
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49 | ok( !$immutable_class_name->is_mutable, '... immutable_metaclass is not mutable' ); |
50 | ok( $immutable_class_name->is_immutable, '... immutable_metaclass is immutable' ); |
51 | is( $immutable_class_name->meta, $immutable_metaclass, |
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52 | '... immutable_metaclass meta hack works' ); |
53 | |
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54 | isa_ok( $meta, "Class::MOP::Class" ); |
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55 | } |
56 | |
57 | { |
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58 | my $meta = Foo->meta; |
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59 | is( $meta->name, 'Foo', '... checking the Foo metaclass' ); |
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60 | |
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61 | ok( !$meta->is_mutable, '... our class is not mutable' ); |
62 | ok( $meta->is_immutable, '... our class is immutable' ); |
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63 | |
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64 | isa_ok( $meta, 'Class::MOP::Class' ); |
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65 | |
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66 | dies_ok { $meta->add_method() } '... exception thrown as expected'; |
67 | dies_ok { $meta->alias_method() } '... exception thrown as expected'; |
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68 | dies_ok { $meta->remove_method() } '... exception thrown as expected'; |
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69 | |
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70 | dies_ok { $meta->add_attribute() } '... exception thrown as expected'; |
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71 | dies_ok { $meta->remove_attribute() } '... exception thrown as expected'; |
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72 | |
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73 | dies_ok { $meta->add_package_symbol() } |
74 | '... exception thrown as expected'; |
75 | dies_ok { $meta->remove_package_symbol() } |
76 | '... exception thrown as expected'; |
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77 | |
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78 | lives_ok { $meta->identifier() } |
79 | '... no exception for get_package_symbol special case'; |
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80 | |
81 | my @supers; |
82 | lives_ok { |
83 | @supers = $meta->superclasses; |
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84 | } |
85 | '... got the superclasses okay'; |
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86 | |
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87 | dies_ok { $meta->superclasses( ['UNIVERSAL'] ) } |
88 | '... but could not set the superclasses okay'; |
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89 | |
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90 | my $meta_instance; |
91 | lives_ok { |
92 | $meta_instance = $meta->get_meta_instance; |
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93 | } |
94 | '... got the meta instance okay'; |
95 | isa_ok( $meta_instance, 'Class::MOP::Instance' ); |
96 | is( $meta_instance, $meta->get_meta_instance, |
97 | '... and we know it is cached' ); |
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98 | |
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99 | my @cpl; |
100 | lives_ok { |
101 | @cpl = $meta->class_precedence_list; |
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102 | } |
103 | '... got the class precedence list okay'; |
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104 | is_deeply( |
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105 | \@cpl, |
106 | ['Foo'], |
107 | '... we just have ourselves in the class precedence list' |
108 | ); |
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109 | |
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110 | my @attributes; |
111 | lives_ok { |
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112 | @attributes = $meta->get_all_attributes; |
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113 | } |
114 | '... got the attribute list okay'; |
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115 | is_deeply( |
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116 | \@attributes, |
117 | [ $meta->get_attribute('bar') ], |
118 | '... got the right list of attributes' |
119 | ); |
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120 | } |
121 | |
122 | { |
123 | my $meta = Bar->meta; |
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124 | is( $meta->name, 'Bar', '... checking the Bar metaclass' ); |
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125 | |
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126 | ok( $meta->is_mutable, '... our class is mutable' ); |
127 | ok( !$meta->is_immutable, '... our class is not immutable' ); |
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128 | |
129 | lives_ok { |
130 | $meta->make_immutable(); |
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131 | } |
132 | '... changed Bar to be immutable'; |
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133 | |
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134 | ok( !$meta->make_immutable, '... make immutable now returns nothing' ); |
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135 | |
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136 | ok( !$meta->is_mutable, '... our class is no longer mutable' ); |
137 | ok( $meta->is_immutable, '... our class is now immutable' ); |
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138 | |
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139 | isa_ok( $meta, 'Class::MOP::Class' ); |
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140 | |
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141 | dies_ok { $meta->add_method() } '... exception thrown as expected'; |
142 | dies_ok { $meta->alias_method() } '... exception thrown as expected'; |
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143 | dies_ok { $meta->remove_method() } '... exception thrown as expected'; |
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144 | |
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145 | dies_ok { $meta->add_attribute() } '... exception thrown as expected'; |
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146 | dies_ok { $meta->remove_attribute() } '... exception thrown as expected'; |
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147 | |
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148 | dies_ok { $meta->add_package_symbol() } |
149 | '... exception thrown as expected'; |
150 | dies_ok { $meta->remove_package_symbol() } |
151 | '... exception thrown as expected'; |
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152 | |
153 | my @supers; |
154 | lives_ok { |
155 | @supers = $meta->superclasses; |
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156 | } |
157 | '... got the superclasses okay'; |
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158 | |
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159 | dies_ok { $meta->superclasses( ['UNIVERSAL'] ) } |
160 | '... but could not set the superclasses okay'; |
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161 | |
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162 | my $meta_instance; |
163 | lives_ok { |
164 | $meta_instance = $meta->get_meta_instance; |
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165 | } |
166 | '... got the meta instance okay'; |
167 | isa_ok( $meta_instance, 'Class::MOP::Instance' ); |
168 | is( $meta_instance, $meta->get_meta_instance, |
169 | '... and we know it is cached' ); |
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170 | |
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171 | my @cpl; |
172 | lives_ok { |
173 | @cpl = $meta->class_precedence_list; |
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174 | } |
175 | '... got the class precedence list okay'; |
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176 | is_deeply( |
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177 | \@cpl, |
178 | [ 'Bar', 'Foo' ], |
179 | '... we just have ourselves in the class precedence list' |
180 | ); |
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181 | |
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182 | my @attributes; |
183 | lives_ok { |
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184 | @attributes = $meta->get_all_attributes; |
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185 | } |
186 | '... got the attribute list okay'; |
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187 | is_deeply( |
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188 | [ sort { $a->name cmp $b->name } @attributes ], |
189 | [ Foo->meta->get_attribute('bar'), $meta->get_attribute('baz') ], |
190 | '... got the right list of attributes' |
191 | ); |
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192 | } |
193 | |
194 | { |
195 | my $meta = Baz->meta; |
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196 | is( $meta->name, 'Baz', '... checking the Baz metaclass' ); |
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197 | |
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198 | ok( $meta->is_mutable, '... our class is mutable' ); |
199 | ok( !$meta->is_immutable, '... our class is not immutable' ); |
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200 | |
201 | lives_ok { |
202 | $meta->make_immutable(); |
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203 | } |
204 | '... changed Baz to be immutable'; |
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205 | |
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206 | ok( !$meta->make_immutable, '... make immutable now returns nothing' ); |
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207 | |
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208 | ok( !$meta->is_mutable, '... our class is no longer mutable' ); |
209 | ok( $meta->is_immutable, '... our class is now immutable' ); |
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210 | |
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211 | isa_ok( $meta, 'Class::MOP::Class' ); |
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212 | |
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213 | dies_ok { $meta->add_method() } '... exception thrown as expected'; |
214 | dies_ok { $meta->alias_method() } '... exception thrown as expected'; |
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215 | dies_ok { $meta->remove_method() } '... exception thrown as expected'; |
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216 | |
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217 | dies_ok { $meta->add_attribute() } '... exception thrown as expected'; |
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218 | dies_ok { $meta->remove_attribute() } '... exception thrown as expected'; |
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219 | |
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220 | dies_ok { $meta->add_package_symbol() } |
221 | '... exception thrown as expected'; |
222 | dies_ok { $meta->remove_package_symbol() } |
223 | '... exception thrown as expected'; |
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224 | |
225 | my @supers; |
226 | lives_ok { |
227 | @supers = $meta->superclasses; |
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228 | } |
229 | '... got the superclasses okay'; |
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230 | |
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231 | dies_ok { $meta->superclasses( ['UNIVERSAL'] ) } |
232 | '... but could not set the superclasses okay'; |
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233 | |
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234 | my $meta_instance; |
235 | lives_ok { |
236 | $meta_instance = $meta->get_meta_instance; |
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237 | } |
238 | '... got the meta instance okay'; |
239 | isa_ok( $meta_instance, 'Class::MOP::Instance' ); |
240 | is( $meta_instance, $meta->get_meta_instance, |
241 | '... and we know it is cached' ); |
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242 | |
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243 | my @cpl; |
244 | lives_ok { |
245 | @cpl = $meta->class_precedence_list; |
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246 | } |
247 | '... got the class precedence list okay'; |
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248 | is_deeply( |
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249 | \@cpl, |
250 | [ 'Baz', 'Bar', 'Foo' ], |
251 | '... we just have ourselves in the class precedence list' |
252 | ); |
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253 | |
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254 | my @attributes; |
255 | lives_ok { |
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256 | @attributes = $meta->get_all_attributes; |
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257 | } |
258 | '... got the attribute list okay'; |
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259 | is_deeply( |
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260 | [ sort { $a->name cmp $b->name } @attributes ], |
261 | [ |
262 | $meta->get_attribute('bah'), Foo->meta->get_attribute('bar'), |
263 | Bar->meta->get_attribute('baz') |
264 | ], |
265 | '... got the right list of attributes' |
266 | ); |
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267 | } |