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-rw-r--r--js/src/tests/test262/built-ins/Array/prototype/map/create-species-undef-invalid-len.js61
1 files changed, 61 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Array/prototype/map/create-species-undef-invalid-len.js b/js/src/tests/test262/built-ins/Array/prototype/map/create-species-undef-invalid-len.js
new file mode 100644
index 0000000000..e3e1f1e7e4
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/map/create-species-undef-invalid-len.js
@@ -0,0 +1,61 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-array.prototype.map
+description: >
+ An undefined value for the @@species constructor triggers the creation of
+ an Array exotic object
+info: |
+ [...]
+ 5. Let A be ? ArraySpeciesCreate(O, len).
+ [...]
+
+ 9.4.2.3 ArraySpeciesCreate
+
+ [...]
+ 5. Let C be ? Get(originalArray, "constructor").
+ [...]
+ 7. If Type(C) is Object, then
+ a. Let C be ? Get(C, @@species).
+ b. If C is null, let C be undefined.
+ 8. If C is undefined, return ? ArrayCreate(length).
+
+ 9.4.2.2 ArrayCreate
+
+ [...]
+ 3. If length>232-1, throw a RangeError exception.
+features: [Proxy]
+---*/
+
+var array = [];
+var maxLength = Math.pow(2, 32);
+var cbCount = 0;
+var setCount = 0;
+var cb = function() {
+ cbCount += 1;
+};
+var proxy = new Proxy(array, {
+ get: function(_, name) {
+ if (name === 'length') {
+ return maxLength;
+ }
+ return array[name];
+ },
+ set: function() {
+ setCount += 1;
+ return true;
+ }
+});
+
+assert.throws(RangeError, function() {
+ Array.prototype.map.call(proxy, cb);
+});
+
+assert.sameValue(
+ setCount,
+ 0,
+ 'RangeError thrown during array creation, not property modification'
+);
+assert.sameValue(cbCount, 0, 'callback function not invoked');
+
+reportCompare(0, 0);