USING: accessors math math.intervals sequences classes.algebra
kernel tools.test compiler.tree.propagation.info arrays ;
IN: compiler.tree.propagation.info.tests

{ f } [ 0.0 -0.0 eql? ] unit-test

{ t t } [
    0 10 [a,b] <interval-info>
    5 20 [a,b] <interval-info>
    value-info-intersect
    [ class>> real class= ]
    [ interval>> 5 10 [a,b] = ]
    bi
] unit-test

{ float 10.0 t } [
    10.0 <literal-info>
    10.0 <literal-info>
    value-info-intersect
    [ class>> ] [ >literal< ] bi
] unit-test

{ null } [
    10 <literal-info>
    10.0 <literal-info>
    value-info-intersect
    class>>
] unit-test

{ fixnum 10 t } [
    10 <literal-info>
    10 <literal-info>
    value-info-union
    [ class>> ] [ >literal< ] bi
] unit-test

{ 3.0 t } [
    3 3 [a,b] <interval-info> float <class-info>
    value-info-intersect >literal<
] unit-test

{ 3 t } [
    2 3 (a,b] <interval-info> fixnum <class-info>
    value-info-intersect >literal<
] unit-test

{ T{ value-info-state f null empty-interval f f } } [
    fixnum -10 0 [a,b] <class/interval-info>
    fixnum 19 29 [a,b] <class/interval-info>
    value-info-intersect
] unit-test

{ 3 t } [
    3 <literal-info>
    null-info value-info-union >literal<
] unit-test

{ } [ { } value-infos-union drop ] unit-test

TUPLE: test-tuple { x read-only } ;

{ t } [
    f f 3 <literal-info> 3array test-tuple <tuple-info> dup
    object-info value-info-intersect =
] unit-test

{ t } [
    null-info 3 <literal-info> value-info<=
] unit-test

{ t t } [
    f <literal-info>
    fixnum 0 40 [a,b] <class/interval-info>
    value-info-union
    \ f class-not <class-info>
    value-info-intersect
    [ class>> fixnum class= ]
    [ interval>> 0 40 [a,b] = ] bi
] unit-test