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liza/test/numeric-test.ts

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/**
* Test numeric types
*
* Copyright (C) 2010-2019 R-T Specialty, LLC.
*
* This file is part of the Liza Data Collection Framework.
*
* liza is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
import { expect } from 'chai';
import { PositiveInteger, isPositiveInteger } from "../src/numeric";
describe( 'isPositiveInteger', () =>
{
[
0,
5,
].forEach( value => it( `accepts positive integers (${value})`, () =>
{
expect( isPositiveInteger( value ) ).to.be.true;
} ) );
[
-1,
-5,
].forEach( value => it( `rejects negative integers (${value})`, () =>
{
expect( isPositiveInteger( value ) ).to.be.false;
} ) );
it( "asserts type PositiveInteger", () =>
{
const n = 5;
if ( isPositiveInteger( n ) )
{
// TS should recognize as PositiveInteger within this block
checkPositiveInteger( n );
}
} );
} );
const checkPositiveInteger = ( _n: PositiveInteger ): void => {};