StrictEqualTo.spec.ts

import { sameTypeAs, strictEqualTo, StrictEqualTo } from "..";

describe( 'StrictEqualTo', () => {

    describe( 'satisfied by', () => {

        it( 'same value, both integer numbers', () => {
            expect(
                ( new StrictEqualTo( 0 ) ).isSatisfiedBy( 0 )
            ).toBeTruthy();
        } );

        it( 'same value, integer and double', () => {
            expect(
                ( new StrictEqualTo( 0 ) ).isSatisfiedBy( 0.0 )
            ).toBeTruthy();
        } );

        it( 'same value, both double numbers', () => {
            expect(
                ( new StrictEqualTo( 0.0 ) ).isSatisfiedBy( 0.0 )
            ).toBeTruthy();
        } );

    } );

    describe( 'not satisfied by', () => {

        it( 'same value with a different type', () => {
            expect(
                ( new StrictEqualTo( 0 ) ).isSatisfiedBy( '0' )
            ).toBeFalsy();
        } );

        it( 'different value', () => {
            expect(
                ( new StrictEqualTo( 0 ) ).isSatisfiedBy( 1 )
            ).toBeFalsy();
        } );

    } );

    it( 'sugar works', () => {
        const sugar = strictEqualTo( 'h' );
        const noSugar = new StrictEqualTo( 'h' );
        expect( sameTypeAs( sugar ).isSatisfiedBy( noSugar ) ).toBeTruthy();
    } );

} );