1 files changed, 21 insertions, 0 deletions
diff --git a/js/src/tests/non262/Tuple/from/source-array-boundary.js b/js/src/tests/non262/Tuple/from/source-array-boundary.js
new file mode 100644
index 0000000000..283f47425b
--- /dev/null
+++ b/js/src/tests/non262/Tuple/from/source-array-boundary.js
@@ -0,0 +1,21 @@
+// |reftest| skip-if(!this.hasOwnProperty("Tuple"))
+var array = [Number.MAX_VALUE, Number.MIN_VALUE, Number.NaN, Number.NEGATIVE_INFINITY, Number.POSITIVE_INFINITY];
+var arrayIndex = -1;
+
+function mapFn(value, index) {
+    this.arrayIndex++;
+    assertEq(value, array[this.arrayIndex]);
+    assertEq(index, this.arrayIndex);
+    return value;
+}
+
+var t = Tuple.from(array, mapFn, this);
+
+assertEq(t.length, array.length);
+assertEq(t[0], Number.MAX_VALUE);
+assertEq(t[1], Number.MIN_VALUE);
+assertEq(t[2], Number.NaN);
+assertEq(t[3], Number.NEGATIVE_INFINITY);
+assertEq(t[4], Number.POSITIVE_INFINITY);
+
+reportCompare(0, 0);