factor/extra/descriptive/descriptive-tests.factor

USING: descriptive kernel math tools.test continuations prettyprint io.streams.string see ;
IN: descriptive.tests

DESCRIPTIVE: divide ( num denom -- fraction ) / ;

[ 3 ] [ 9 3 divide ] unit-test
[ T{ descriptive-error f { { "num" 3 } { "denom" 0 } } "Division by zero" divide } ] [ [ 3 0 divide ] [ ] recover ] unit-test

[ "USING: descriptive math ;\nIN: descriptive.tests\nDESCRIPTIVE: divide ( num denom -- fraction ) / ;\n" ] [ \ divide [ see ] with-string-writer ] unit-test

DESCRIPTIVE:: divide* ( num denom -- fraction ) num denom / ;

[ 3 ] [ 9 3 divide* ] unit-test
[ T{ descriptive-error f { { "num" 3 } { "denom" 0 } } "Division by zero" divide* } ] [ [ 3 0 divide* ] [ ] recover ] unit-test

[ "USING: descriptive math ;\nIN: descriptive.tests\nDESCRIPTIVE:: divide* ( num denom -- fraction ) num denom / ;\n" ] [ \ divide* [ see ] with-string-writer ] unit-test