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Diffstat (limited to 'js/src/tests/non262/Tuple/from/iter-map-fn-args.js')
-rw-r--r--js/src/tests/non262/Tuple/from/iter-map-fn-args.js44
1 files changed, 44 insertions, 0 deletions
diff --git a/js/src/tests/non262/Tuple/from/iter-map-fn-args.js b/js/src/tests/non262/Tuple/from/iter-map-fn-args.js
new file mode 100644
index 0000000000..33c8234d47
--- /dev/null
+++ b/js/src/tests/non262/Tuple/from/iter-map-fn-args.js
@@ -0,0 +1,44 @@
+// |reftest| skip-if(!this.hasOwnProperty("Tuple"))
+var args = [];
+var firstResult = {
+ done: false,
+ value: {}
+};
+var secondResult = {
+ done: false,
+ value: {}
+};
+var mapFn = function(value, idx) {
+ args.push(arguments);
+};
+var items = {};
+var nextResult = firstResult;
+var nextNextResult = secondResult;
+
+items[Symbol.iterator] = function() {
+ return {
+ next: function() {
+ var result = nextResult;
+ nextResult = nextNextResult;
+ nextNextResult = {
+ done: true
+ };
+
+ return result;
+ }
+ };
+};
+
+Tuple.from(items, mapFn);
+
+assertEq(args.length, 2);
+
+assertEq(args[0].length, 2);
+assertEq(args[0][0], firstResult.value);
+assertEq(args[0][1], 0);
+
+assertEq(args[1].length, 2);
+assertEq(args[1][0], secondResult.value);
+assertEq(args[1][1], 1);
+
+reportCompare(0, 0);