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author | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
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committer | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
commit | 5f8de423f190bbb79a62f804151bc24824fa32d8 (patch) | |
tree | 10027f336435511475e392454359edea8e25895d /js/src/tests/ecma_6/Array/for_of_1.js | |
parent | 49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff) | |
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Add m-esr52 at 52.6.0
Diffstat (limited to 'js/src/tests/ecma_6/Array/for_of_1.js')
-rw-r--r-- | js/src/tests/ecma_6/Array/for_of_1.js | 138 |
1 files changed, 138 insertions, 0 deletions
diff --git a/js/src/tests/ecma_6/Array/for_of_1.js b/js/src/tests/ecma_6/Array/for_of_1.js new file mode 100644 index 000000000..0233c1d27 --- /dev/null +++ b/js/src/tests/ecma_6/Array/for_of_1.js @@ -0,0 +1,138 @@ +// Test corner cases of for-of iteration over Arrays. +// The current SetObject::construct method uses a ForOfIterator to extract +// values from the array, so we use that mechanism to test ForOfIterator here. + +// Test the properties and prototype of a generator object. +function TestManySmallArrays() { + function doIter(f, arr) { + return f(...new Set(arr)); + } + + function fun(a, b, c) { + var result = 0; + for (var i = 0; i < arguments.length; i++) + result += arguments[i]; + return result; + } + + + var TRUE_SUM = 0; + var N = 100; + var M = 3; + var sum = 0; + for (var i = 0; i < N; i++) { + var arr = new Array(M); + for (var j = 0; j < M; j++) { + arr[j] = j; + TRUE_SUM += j; + } + sum += doIter(fun, arr); + } + assertEq(sum, TRUE_SUM); +} +TestManySmallArrays(); + +// Test the properties and prototype of a generator object. +function TestSingleSmallArray() { + function doIter(f, arr) { + return f(...new Set(arr)); + } + + function fun(a, b, c) { + var result = 0; + for (var i = 0; i < arguments.length; i++) + result += arguments[i]; + return result; + } + + + var TRUE_SUM = 0; + var N = 100; + var M = 3; + var arr = new Array(M); + for (var j = 0; j < M; j++) { + arr[j] = j; + TRUE_SUM += j; + } + TRUE_SUM *= N; + + var sum = 0; + for (var i = 0; i < N; i++) { + sum += doIter(fun, arr); + } + assertEq(sum, TRUE_SUM); +} +TestSingleSmallArray(); + + +function TestChangeArrayPrototype() { + function doIter(f, arr) { + return f(...new Set(arr)); + } + + function fun(a, b, c) { + var result = 0; + for (var i = 0; i < arguments.length; i++) + result += arguments[i]; + return result; + } + + var Proto1 = Object.create(Array.prototype); + + var TRUE_SUM = 0; + var N = 100; + var MID = N/2; + var M = 3; + var arr = new Array(M); + var ARR_SUM = 0; + for (var j = 0; j < M; j++) { + arr[j] = j; + ARR_SUM += j; + } + + var sum = 0; + for (var i = 0; i < N; i++) { + sum += doIter(fun, arr); + if (i == MID) + arr.__proto__ = Proto1; + TRUE_SUM += ARR_SUM; + } + assertEq(sum, TRUE_SUM); +} +TestChangeArrayPrototype(); + + +function TestChangeManyArrayShape() { + function doIter(f, arr) { + return f(...new Set(arr)); + } + + function fun(a, b, c) { + var result = 0; + for (var i = 0; i < arguments.length; i++) + result += arguments[i]; + return result; + } + + var TRUE_SUM = 0; + var N = 100; + var MID = N/2; + var M = 3; + var sum = 0; + for (var i = 0; i < N; i++) { + var arr = new Array(M); + var ARR_SUM = 0; + for (var j = 0; j < M; j++) { + arr[j] = j; + ARR_SUM += j; + } + arr['v_' + i] = i; + sum += doIter(fun, arr); + TRUE_SUM += ARR_SUM; + } + assertEq(sum, TRUE_SUM); +} +TestChangeManyArrayShape(); + +if (typeof reportCompare === "function") + reportCompare(true, true); |