test.js

'use strict';

// MODULES //

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


// TESTS //

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

tape( 'the function tests for an array-like object containing only integer values', function test( t ) {
	var arr;

	arr = [ 5, new Number( 5 ), -3 ];
	t.equal( isIntegerArray( arr ), true, 'returns true' );

	arr = {'length': 2, '0': 2, '1': 1};
	t.equal( isIntegerArray( arr ), true, 'returns true' );

	arr = [ 5.0, 2.3, 11.1 ];
	t.equal( isIntegerArray( arr ), false, 'returns false' );

	arr = [ 5.0, '3', null ];
	t.equal( isIntegerArray( arr ), false, 'returns false' );

	t.end();
});

tape( 'the function provides a method to test for an array-like object containing only primitive integer values', function test( t ) {
	var arr;

	arr = [ 5, -0, 0 ];
	t.equal( isIntegerArray.primitives( arr ), true, 'returns true' );

	arr = {'length': 2, '0': 1, '1': -3};
	t.equal( isIntegerArray.primitives( arr ), true, 'returns true' );

	arr = [ new Number( 5 ), 1, 1 ];
	t.equal( isIntegerArray.primitives( arr ), false, 'returns false' );

	t.end();
});

tape( 'the function provides a method to test for an array-like object containing only `Number` objects having integer values', function test( t ) {
	var arr;

	arr = [ new Number( 5 ), new Number( -0 ), new Number( 0 ) ];
	t.equal( isIntegerArray.objects( arr ), true, 'returns true' );

	arr = {'length': 2, '0': new Number( 2 ), '1': new Number( -3 )};
	t.equal( isIntegerArray.objects( arr ), true, 'returns true' );

	arr = [ new Number( 5 ), 1, 1 ];
	t.equal( isIntegerArray.objects( arr ), false, 'returns false' );

	arr = [ -5, 1, 1 ];
	t.equal( isIntegerArray.objects( arr ), false, 'returns false' );

	t.end();
});