source: imaps-frontend/node_modules/safe-push-apply/test/index.js@ 79a0317

'use strict';

var test = require('tape');

var safePushApply = require('../');

test('safe-push-apply', function (t) {
        t.equal(typeof safePushApply, 'function', 'is a function');
        t.equal(safePushApply.length, 2, 'has a length of 2');

        t['throws'](
                // @ts-expect-error
                function () { safePushApply({}, []); },
                TypeError,
                'throws if target is not an array'
        );

        var a = [1, 2];
        var b = [3, 4];
        safePushApply(a, b);
        t.deepEqual(a, [1, 2, 3, 4], 'b is pushed into a');
        t.deepEqual(b, [3, 4], 'b is not modified');

        var c = '567';
        // @ts-expect-error TS ArrayLike doesn't accept strings for some reason
        safePushApply(a, c);
        t.deepEqual(a, [1, 2, 3, 4, '5', '6', '7'], 'works with arraylike source');

        t.end();
});