37 lines
990 B
Factor
37 lines
990 B
Factor
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USING: arrays generic generic.single growable kernel math
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namespaces sequences strings tools.test vectors words ;
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IN: generic.hook.tests
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SYMBOL: my-var
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HOOK: my-hook my-var ( -- x )
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M: integer my-hook "an integer" ;
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M: string my-hook "a string" ;
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[ "an integer" ] [ 3 my-var set my-hook ] unit-test
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[ "a string" ] [ my-hook my-var set my-hook ] unit-test
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[ 1.0 my-var set my-hook ] [ T{ no-method f 1.0 my-hook } = ] must-fail-with
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HOOK: call-next-hooker my-var ( -- x )
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M: sequence call-next-hooker "sequence" ;
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M: array call-next-hooker call-next-method "array " prepend ;
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M: vector call-next-hooker call-next-method "vector " prepend ;
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M: growable call-next-hooker call-next-method "growable " prepend ;
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[ "vector growable sequence" ] [
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V{ } my-var [ call-next-hooker ] with-variable
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] unit-test
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[ t ] [
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{ } \ nth effective-method nip M\ sequence nth eq?
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] unit-test
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[ t ] [
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\ + \ nth effective-method nip dup \ nth "default-method" word-prop eq? and
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] unit-test
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