90 lines
2.8 KiB
Factor
90 lines
2.8 KiB
Factor
USING: math tools.test classes.algebra words kernel sequences assocs
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accessors eval definitions compiler.units generic strings classes
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generic.single ;
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IN: classes.predicate.tests
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PREDICATE: negative < integer 0 < ;
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PREDICATE: positive < integer 0 > ;
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{ t } [ negative integer class< ] unit-test
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{ t } [ positive integer class< ] unit-test
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{ f } [ integer negative class< ] unit-test
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{ f } [ integer positive class< ] unit-test
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{ f } [ negative negative class< ] unit-test
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{ f } [ positive negative class< ] unit-test
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GENERIC: abs ( n -- n )
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M: integer abs ;
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M: negative abs -1 * ;
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M: positive abs ;
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{ 10 } [ -10 abs ] unit-test
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{ 10 } [ 10 abs ] unit-test
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{ 0 } [ 0 abs ] unit-test
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! Bug report from Bruno Deferrari
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TUPLE: tuple-a slot ;
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TUPLE: tuple-b < tuple-a ;
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PREDICATE: tuple-c < tuple-b slot>> ;
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GENERIC: ptest ( tuple -- x )
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M: tuple-a ptest drop tuple-a ;
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M: tuple-c ptest drop tuple-c ;
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{ tuple-a } [ tuple-b new ptest ] unit-test
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{ tuple-c } [ tuple-b new t >>slot ptest ] unit-test
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PREDICATE: tuple-d < tuple-a slot>> ;
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GENERIC: ptest' ( tuple -- x )
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M: tuple-a ptest' drop tuple-a ;
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M: tuple-d ptest' drop tuple-d ;
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{ tuple-a } [ tuple-b new ptest' ] unit-test
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{ tuple-d } [ tuple-b new t >>slot ptest' ] unit-test
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PREDICATE: bad-inheritance-predicate < string ;
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[
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"IN: classes.predicate.tests PREDICATE: bad-inheritance-predicate < bad-inheritance-predicate ;" eval( -- )
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] [ error>> bad-inheritance? ] must-fail-with
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PREDICATE: bad-inheritance-predicate2 < string ;
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PREDICATE: bad-inheritance-predicate3 < bad-inheritance-predicate2 ;
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[
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"IN: classes.predicate.tests PREDICATE: bad-inheritance-predicate2 < bad-inheritance-predicate3 ;" eval( -- )
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] [ error>> bad-inheritance? ] must-fail-with
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! This must not fail
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PREDICATE: tup < string ;
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UNION: u tup ;
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{ } [ "IN: classes.predicate.tests PREDICATE: u < tup ;" eval( -- ) ] unit-test
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! Changing the metaclass of the predicate superclass should work
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GENERIC: change-meta-test ( a -- b )
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TUPLE: change-meta-test-class length ;
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PREDICATE: change-meta-test-predicate < change-meta-test-class length>> 2 > ;
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M: change-meta-test-predicate change-meta-test length>> ;
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{ f } [ \ change-meta-test "methods" word-prop assoc-empty? ] unit-test
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[ T{ change-meta-test-class f 0 } change-meta-test ] [ no-method? ] must-fail-with
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{ 7 } [ T{ change-meta-test-class f 7 } change-meta-test ] unit-test
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{ } [ "IN: classes.predicate.tests USE: arrays UNION: change-meta-test-class array ;" eval( -- ) ] unit-test
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! Should not have changed
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{ change-meta-test-class } [ change-meta-test-predicate superclass-of ] unit-test
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[ { } change-meta-test ] [ no-method? ] must-fail-with
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{ 4 } [ { 1 2 3 4 } change-meta-test ] unit-test
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{ } [ [ \ change-meta-test-class forget-class ] with-compilation-unit ] unit-test
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{ f } [ change-meta-test-predicate class? ] unit-test
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{ t } [ \ change-meta-test "methods" word-prop assoc-empty? ] unit-test
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