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1 | use strict; |
2 | use warnings; |
3 | |
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4 | use Test::More tests => 75; |
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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 $obj = $immutable_metaclass->name; |
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48 | |
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49 | ok( !$obj->is_mutable, '... immutable_metaclass is not mutable' ); |
50 | ok( $obj->is_immutable, '... immutable_metaclass is immutable' ); |
51 | ok( !$obj->make_immutable, |
52 | '... immutable_metaclass make_mutable is noop' ); |
53 | is( $obj->meta, $immutable_metaclass, |
54 | '... immutable_metaclass meta hack works' ); |
55 | |
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56 | isa_ok( $meta, "Class::MOP::Class::Immutable::Trait" ); |
57 | isa_ok( $meta, "Class::MOP::Class" ); |
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58 | |
59 | } |
60 | |
61 | { |
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62 | my $meta = Foo->meta; |
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63 | is( $meta->name, 'Foo', '... checking the Foo metaclass' ); |
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64 | |
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65 | ok( !$meta->is_mutable, '... our class is not mutable' ); |
66 | ok( $meta->is_immutable, '... our class is immutable' ); |
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67 | |
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68 | isa_ok( $meta, 'Class::MOP::Class' ); |
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69 | |
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70 | dies_ok { $meta->add_method() } '... exception thrown as expected'; |
71 | dies_ok { $meta->alias_method() } '... exception thrown as expected'; |
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72 | dies_ok { $meta->remove_method() } '... exception thrown as expected'; |
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73 | |
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74 | dies_ok { $meta->add_attribute() } '... exception thrown as expected'; |
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75 | dies_ok { $meta->remove_attribute() } '... exception thrown as expected'; |
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76 | |
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77 | dies_ok { $meta->add_package_symbol() } |
78 | '... exception thrown as expected'; |
79 | dies_ok { $meta->remove_package_symbol() } |
80 | '... exception thrown as expected'; |
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81 | |
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82 | lives_ok { $meta->identifier() } |
83 | '... no exception for get_package_symbol special case'; |
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84 | |
85 | my @supers; |
86 | lives_ok { |
87 | @supers = $meta->superclasses; |
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88 | } |
89 | '... got the superclasses okay'; |
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90 | |
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91 | dies_ok { $meta->superclasses( ['UNIVERSAL'] ) } |
92 | '... but could not set the superclasses okay'; |
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93 | |
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94 | my $meta_instance; |
95 | lives_ok { |
96 | $meta_instance = $meta->get_meta_instance; |
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97 | } |
98 | '... got the meta instance okay'; |
99 | isa_ok( $meta_instance, 'Class::MOP::Instance' ); |
100 | is( $meta_instance, $meta->get_meta_instance, |
101 | '... and we know it is cached' ); |
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102 | |
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103 | my @cpl; |
104 | lives_ok { |
105 | @cpl = $meta->class_precedence_list; |
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106 | } |
107 | '... got the class precedence list okay'; |
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108 | is_deeply( |
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109 | \@cpl, |
110 | ['Foo'], |
111 | '... we just have ourselves in the class precedence list' |
112 | ); |
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113 | |
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114 | my @attributes; |
115 | lives_ok { |
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116 | @attributes = $meta->get_all_attributes; |
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117 | } |
118 | '... got the attribute list okay'; |
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119 | is_deeply( |
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120 | \@attributes, |
121 | [ $meta->get_attribute('bar') ], |
122 | '... got the right list of attributes' |
123 | ); |
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124 | } |
125 | |
126 | { |
127 | my $meta = Bar->meta; |
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128 | is( $meta->name, 'Bar', '... checking the Bar metaclass' ); |
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129 | |
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130 | ok( $meta->is_mutable, '... our class is mutable' ); |
131 | ok( !$meta->is_immutable, '... our class is not immutable' ); |
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132 | |
133 | lives_ok { |
134 | $meta->make_immutable(); |
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135 | } |
136 | '... changed Bar to be immutable'; |
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137 | |
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138 | ok( !$meta->make_immutable, '... make immutable now returns nothing' ); |
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139 | |
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140 | ok( !$meta->is_mutable, '... our class is no longer mutable' ); |
141 | ok( $meta->is_immutable, '... our class is now immutable' ); |
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142 | |
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143 | isa_ok( $meta, 'Class::MOP::Class' ); |
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144 | |
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145 | dies_ok { $meta->add_method() } '... exception thrown as expected'; |
146 | dies_ok { $meta->alias_method() } '... exception thrown as expected'; |
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147 | dies_ok { $meta->remove_method() } '... exception thrown as expected'; |
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148 | |
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149 | dies_ok { $meta->add_attribute() } '... exception thrown as expected'; |
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150 | dies_ok { $meta->remove_attribute() } '... exception thrown as expected'; |
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151 | |
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152 | dies_ok { $meta->add_package_symbol() } |
153 | '... exception thrown as expected'; |
154 | dies_ok { $meta->remove_package_symbol() } |
155 | '... exception thrown as expected'; |
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156 | |
157 | my @supers; |
158 | lives_ok { |
159 | @supers = $meta->superclasses; |
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160 | } |
161 | '... got the superclasses okay'; |
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162 | |
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163 | dies_ok { $meta->superclasses( ['UNIVERSAL'] ) } |
164 | '... but could not set the superclasses okay'; |
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165 | |
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166 | my $meta_instance; |
167 | lives_ok { |
168 | $meta_instance = $meta->get_meta_instance; |
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169 | } |
170 | '... got the meta instance okay'; |
171 | isa_ok( $meta_instance, 'Class::MOP::Instance' ); |
172 | is( $meta_instance, $meta->get_meta_instance, |
173 | '... and we know it is cached' ); |
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174 | |
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175 | my @cpl; |
176 | lives_ok { |
177 | @cpl = $meta->class_precedence_list; |
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178 | } |
179 | '... got the class precedence list okay'; |
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180 | is_deeply( |
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181 | \@cpl, |
182 | [ 'Bar', 'Foo' ], |
183 | '... we just have ourselves in the class precedence list' |
184 | ); |
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185 | |
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186 | my @attributes; |
187 | lives_ok { |
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188 | @attributes = $meta->get_all_attributes; |
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189 | } |
190 | '... got the attribute list okay'; |
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191 | is_deeply( |
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192 | [ sort { $a->name cmp $b->name } @attributes ], |
193 | [ Foo->meta->get_attribute('bar'), $meta->get_attribute('baz') ], |
194 | '... got the right list of attributes' |
195 | ); |
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196 | } |
197 | |
198 | { |
199 | my $meta = Baz->meta; |
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200 | is( $meta->name, 'Baz', '... checking the Baz metaclass' ); |
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201 | |
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202 | ok( $meta->is_mutable, '... our class is mutable' ); |
203 | ok( !$meta->is_immutable, '... our class is not immutable' ); |
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204 | |
205 | lives_ok { |
206 | $meta->make_immutable(); |
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207 | } |
208 | '... changed Baz to be immutable'; |
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209 | |
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210 | ok( !$meta->make_immutable, '... make immutable now returns nothing' ); |
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211 | |
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212 | ok( !$meta->is_mutable, '... our class is no longer mutable' ); |
213 | ok( $meta->is_immutable, '... our class is now immutable' ); |
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214 | |
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215 | isa_ok( $meta, 'Class::MOP::Class' ); |
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216 | |
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217 | dies_ok { $meta->add_method() } '... exception thrown as expected'; |
218 | dies_ok { $meta->alias_method() } '... exception thrown as expected'; |
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219 | dies_ok { $meta->remove_method() } '... exception thrown as expected'; |
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220 | |
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221 | dies_ok { $meta->add_attribute() } '... exception thrown as expected'; |
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222 | dies_ok { $meta->remove_attribute() } '... exception thrown as expected'; |
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223 | |
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224 | dies_ok { $meta->add_package_symbol() } |
225 | '... exception thrown as expected'; |
226 | dies_ok { $meta->remove_package_symbol() } |
227 | '... exception thrown as expected'; |
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228 | |
229 | my @supers; |
230 | lives_ok { |
231 | @supers = $meta->superclasses; |
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232 | } |
233 | '... got the superclasses okay'; |
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234 | |
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235 | dies_ok { $meta->superclasses( ['UNIVERSAL'] ) } |
236 | '... but could not set the superclasses okay'; |
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237 | |
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238 | my $meta_instance; |
239 | lives_ok { |
240 | $meta_instance = $meta->get_meta_instance; |
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241 | } |
242 | '... got the meta instance okay'; |
243 | isa_ok( $meta_instance, 'Class::MOP::Instance' ); |
244 | is( $meta_instance, $meta->get_meta_instance, |
245 | '... and we know it is cached' ); |
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246 | |
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247 | my @cpl; |
248 | lives_ok { |
249 | @cpl = $meta->class_precedence_list; |
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250 | } |
251 | '... got the class precedence list okay'; |
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252 | is_deeply( |
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253 | \@cpl, |
254 | [ 'Baz', 'Bar', 'Foo' ], |
255 | '... we just have ourselves in the class precedence list' |
256 | ); |
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257 | |
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258 | my @attributes; |
259 | lives_ok { |
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260 | @attributes = $meta->get_all_attributes; |
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261 | } |
262 | '... got the attribute list okay'; |
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263 | is_deeply( |
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264 | [ sort { $a->name cmp $b->name } @attributes ], |
265 | [ |
266 | $meta->get_attribute('bah'), Foo->meta->get_attribute('bar'), |
267 | Bar->meta->get_attribute('baz') |
268 | ], |
269 | '... got the right list of attributes' |
270 | ); |
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271 | } |