1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/js/src/tests/ecma_6/Array/for_of_1.js Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,140 @@
1.4 +// Test corner cases of for-of iteration over Arrays.
1.5 +// The current spidermonky JSOP_SPREAD implementation for function calls
1.6 +// with '...rest' arguments uses a ForOfIterator to extract values from
1.7 +// the array, so we use that mechanism to test ForOfIterator here.
1.8 +
1.9 +
1.10 +// Test the properties and prototype of a generator object.
1.11 +function TestManySmallArrays() {
1.12 + function doIter(f, arr) {
1.13 + return f(...arr)
1.14 + }
1.15 +
1.16 + function fun(a, b, c) {
1.17 + var result = 0;
1.18 + for (var i = 0; i < arguments.length; i++)
1.19 + result += arguments[i];
1.20 + return result;
1.21 + }
1.22 +
1.23 +
1.24 + var TRUE_SUM = 0;
1.25 + var N = 100;
1.26 + var M = 3;
1.27 + var sum = 0;
1.28 + for (var i = 0; i < N; i++) {
1.29 + var arr = new Array(M);
1.30 + for (var j = 0; j < M; j++) {
1.31 + arr[j] = j;
1.32 + TRUE_SUM += j;
1.33 + }
1.34 + sum += doIter(fun, arr);
1.35 + }
1.36 + assertEq(sum, TRUE_SUM);
1.37 +}
1.38 +TestManySmallArrays();
1.39 +
1.40 +// Test the properties and prototype of a generator object.
1.41 +function TestSingleSmallArray() {
1.42 + function doIter(f, arr) {
1.43 + return f(...arr)
1.44 + }
1.45 +
1.46 + function fun(a, b, c) {
1.47 + var result = 0;
1.48 + for (var i = 0; i < arguments.length; i++)
1.49 + result += arguments[i];
1.50 + return result;
1.51 + }
1.52 +
1.53 +
1.54 + var TRUE_SUM = 0;
1.55 + var N = 100;
1.56 + var M = 3;
1.57 + var arr = new Array(M);
1.58 + for (var j = 0; j < M; j++) {
1.59 + arr[j] = j;
1.60 + TRUE_SUM += j;
1.61 + }
1.62 + TRUE_SUM *= N;
1.63 +
1.64 + var sum = 0;
1.65 + for (var i = 0; i < N; i++) {
1.66 + sum += doIter(fun, arr);
1.67 + }
1.68 + assertEq(sum, TRUE_SUM);
1.69 +}
1.70 +TestSingleSmallArray();
1.71 +
1.72 +
1.73 +function TestChangeArrayPrototype() {
1.74 + function doIter(f, arr) {
1.75 + return f(...arr)
1.76 + }
1.77 +
1.78 + function fun(a, b, c) {
1.79 + var result = 0;
1.80 + for (var i = 0; i < arguments.length; i++)
1.81 + result += arguments[i];
1.82 + return result;
1.83 + }
1.84 +
1.85 + var Proto1 = Object.create(Array.prototype);
1.86 +
1.87 + var TRUE_SUM = 0;
1.88 + var N = 100;
1.89 + var MID = N/2;
1.90 + var M = 3;
1.91 + var arr = new Array(M);
1.92 + var ARR_SUM = 0;
1.93 + for (var j = 0; j < M; j++) {
1.94 + arr[j] = j;
1.95 + ARR_SUM += j;
1.96 + }
1.97 +
1.98 + var sum = 0;
1.99 + for (var i = 0; i < N; i++) {
1.100 + sum += doIter(fun, arr);
1.101 + if (i == MID)
1.102 + arr.__proto__ = Proto1;
1.103 + TRUE_SUM += ARR_SUM;
1.104 + }
1.105 + assertEq(sum, TRUE_SUM);
1.106 +}
1.107 +TestChangeArrayPrototype();
1.108 +
1.109 +
1.110 +function TestChangeManyArrayShape() {
1.111 + function doIter(f, arr) {
1.112 + return f(...arr)
1.113 + }
1.114 +
1.115 + function fun(a, b, c) {
1.116 + var result = 0;
1.117 + for (var i = 0; i < arguments.length; i++)
1.118 + result += arguments[i];
1.119 + return result;
1.120 + }
1.121 +
1.122 + var TRUE_SUM = 0;
1.123 + var N = 100;
1.124 + var MID = N/2;
1.125 + var M = 3;
1.126 + var sum = 0;
1.127 + for (var i = 0; i < N; i++) {
1.128 + var arr = new Array(M);
1.129 + var ARR_SUM = 0;
1.130 + for (var j = 0; j < M; j++) {
1.131 + arr[j] = j;
1.132 + ARR_SUM += j;
1.133 + }
1.134 + arr['v_' + i] = i;
1.135 + sum += doIter(fun, arr);
1.136 + TRUE_SUM += ARR_SUM;
1.137 + }
1.138 + assertEq(sum, TRUE_SUM);
1.139 +}
1.140 +TestChangeManyArrayShape();
1.141 +
1.142 +if (typeof reportCompare === "function")
1.143 + reportCompare(true, true);
