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ant/examples/spec/forin.js
da28911c0817bytecode

forin.js
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			import { test, testDeep, summary } from './helpers.js';

			console.log('For-In Enumeration Tests\n');

			var strPrim = 'abc';
			var strPrimKeys = [];
			for (var k in strPrim) strPrimKeys.push(k);
			testDeep('string primitive for-in keys', strPrimKeys, ['0', '1', '2']);
			test('string primitive length', strPrim.length, 3);

			var strObj = new String('abc');
			var strObjKeys = [];
			for (var k in strObj) strObjKeys.push(k);
			testDeep('String object for-in keys', strObjKeys, ['0', '1', '2']);
			test('String object length', strObj.length, 3);

			var sparse = [];
			sparse[5] = 'hello';
			test('sparse array length', sparse.length, 6);
			var sparseKeys = [];
			for (var k in sparse) sparseKeys.push(k);
			testDeep('sparse array for-in keys', sparseKeys, ['5']);

			var arr = [10, 20, 30];
			var arrKeys = [];
			for (var k in arr) arrKeys.push(k);
			testDeep('array for-in keys', arrKeys, ['2', '1', '0']);

			var obj = { a: 1, b: 2, c: 3 };
			var objKeys = [];
			for (var k in obj) objKeys.push(k);
			testDeep('object for-in keys', objKeys, ['c', 'b', 'a']);

			var arrWithProps = [1, 2];
			arrWithProps.foo = 'bar';
			var arrPropsKeys = [];
			for (var k in arrWithProps) arrPropsKeys.push(k);
			testDeep('array with properties for-in keys', arrPropsKeys, ['foo', '1', '0']);

			summary();

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