test.js

'use strict';

// MODULES //

var tape = require( 'tape' );
var isBinaryString = require( './../lib' );


// TESTS //

tape( 'main export is a function', function test( t ) {
	t.ok( true, __filename );
	t.equal( typeof isBinaryString, 'function', 'main export is a function' );
	t.end();
});

tape( 'the function returns `true` if provided a binary string', function test( t ) {
	var values;
	var i;

	values = [
		'0',
		'1',
		'10101',
		'000000000000000000000000000000000000000000000000000000000000000000000000000000',
		'11111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111'
	];

	for ( i = 0; i < values.length; i++ ) {
		t.equal( isBinaryString( values[i] ), true, 'returns true' );
	}
	t.end();
});

tape( 'the function returns `false` if provided a `String` object, even if the value of the `String` object is a binary string', function test( t ) {
	t.equal( isBinaryString( new String( '0101' ) ), false, 'returns false' );
	t.end();
});

tape( 'the function returns `false` if not provided a binary string', function test( t ) {
	var values;
	var i;

	values = [
		'5',
		'beep',
		'',
		'1010102',
		5,
		null,
		NaN,
		true,
		undefined,
		[],
		{},
		function(){}
	];

	for ( i = 0; i < values.length; i++ ) {
		t.equal( isBinaryString( values[i] ), false, 'returns false when provided ' + values[i] );
	}
	t.end();
});