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diff --git a/js/src/tests/non262/Tuple/from/from.js b/js/src/tests/non262/Tuple/from/from.js
new file mode 100644
index 0000000000..ee79cdd33f
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+++ b/js/src/tests/non262/Tuple/from/from.js
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+// |reftest| skip-if(!this.hasOwnProperty("Tuple"))
+/*
+8.2.2.2 Tuple.from ( items [ , mapFn [, thisArg ] ] )
+When the from method is called with argument items and optional arguments mapfn and thisArg, the following steps are taken:
+
+1. If mapfn is undefined, let mapping be false.
+2. Else,
+a. If IsCallable(mapfn) is false, throw a TypeError exception.
+b. Let mapping be true.
+3. Let list be a new empty List.
+4. Let k be 0.
+5. Let usingIterator be ? GetMethod(items, @@iterator).
+6. If usingIterator is not undefined, then
+a. Let adder be a new Abstract Closure with parameters (key, value) that captures (list, mapFn, thisArg, mapping, k) and performs the following steps when called:
+i. If mapping is true, then
+1. Let mappedValue be ? Call(mapfn, thisArg, « value, k »).
+ii. Else, let mappedValue be value.
+iii. If Type(mappedValue) is Object, throw a TypeError exception.
+iv. Append mappedValue to list.
+v. Set k to k + 1.
+b. Perform ! AddEntriesFromIterable(undefined, iterable, adder).
+c. Return a new Tuple value whose [[Sequence]] is list.
+7. NOTE: items is not an Iterable so assume it is an array-like object.
+8. Let arrayLike be ! ToObject(items).
+9. Let len be ? LengthOfArrayLike(arrayLike).
+10. Repeat, while k < len,
+a. Let Pk be ! ToString(k).
+b. Let kValue be ? Get(arrayLike, Pk).
+c. If mapping is true, then
+i. Let mappedValue be ? Call(mapfn, thisArg, « kValue, k »).
+d. Else, let mappedValue be kValue.
+e. If Type(mappedValue) is Object, throw a TypeError exception.
+f. Append mappedValue to list.
+g. Set k to k + 1.
+11. Return a new Tuple value whose [[Sequence]] is list.
+*/
+
+/* Step 1: mapfn explicitly undefined */
+assertEq(Tuple.from([1,2],undefined),#[1,2]);
+
+/* Step 2a: If IsCallable(mapfn) is false, throw a TypeError exception. */
+assertThrowsInstanceOf(() => Tuple.from([1,2,3],"monkeys"), TypeError, "mapfn not callable");
+
+/* Step 5 */
+assertThrowsInstanceOf(() => Tuple.from(undefined), TypeError,
+                       "can't access property Symbol.iterator of undefined");
+assertThrowsInstanceOf(() => Tuple.from(null), TypeError,
+                       "can't access property Symbol.iterator of null");
+assertEq(Tuple.from(1), #[]);
+var obj = {};
+obj[Symbol.iterator] = null;
+assertEq(Tuple.from(obj), #[]);
+obj[Symbol.iterator] = 5;
+assertThrowsInstanceOf(() => Tuple.from(obj), TypeError,
+                       "number is not a function");
+
+
+/* Step 6a.i. mapping exists */
+assertEq(Tuple.from([1,2,3],x => x+1), #[2,3,4]);
+assertEq(Tuple.from(#[1,2,3],x => x+1), #[2,3,4]);
+assertEq(Tuple.from("xyz", c => String.fromCharCode(c.charCodeAt(0) + 1)), #['y', 'z', '{']);
+/* Step 6a.ii. mapping does not exist */
+assertEq(Tuple.from([1,2,3,4,5]), #[1,2,3,4,5]);
+assertEq(Tuple.from(#[1,2,3,4,5]), #[1,2,3,4,5]);
+assertEq(Tuple.from("xyz"), #['x', 'y', 'z']);
+
+/* Step 6a.iii. if mapfn returns Object, throw */
+assertThrowsInstanceOf(() => Tuple.from([1,2], x => [x]), TypeError, "Tuple cannot contain object");
+
+/* Step 7 -- array-like but not iterable */
+var obj = { length: 3, 0: "a", 1: "b", 2: "c" };
+assertEq(Tuple.from(obj), #["a","b","c"]);
+assertEq(Tuple.from(obj, s => s + s), #["aa","bb","cc"]);
+
+obj = { 0: "a", 1: "b", 2: "c" };
+assertEq(Tuple.from(obj), #[]);
+
+obj = { length: 3, 0: 1, 2: 3 };
+assertEq(Tuple.from(obj), #[1, undefined, 3]);
+
+obj = { length: 3, 0: 1, 1: [2], 2: 3 };
+assertThrowsInstanceOf(() => Tuple.from(obj), TypeError, "Tuple cannot contain object");
+
+/* Step 10e */
+assertThrowsInstanceOf(() => Tuple.from([1, 2, [3,4]]), TypeError,
+                       "Tuple can't contain Object");
+
+
+reportCompare(0, 0);