1 files changed, 54 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Array/prototype/slice/create-proxied-array-invalid-len.js b/js/src/tests/test262/built-ins/Array/prototype/slice/create-proxied-array-invalid-len.js
new file mode 100644
index 0000000000..8560161f69
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/slice/create-proxied-array-invalid-len.js
@@ -0,0 +1,54 @@
+// 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.slice
+description: >
+    Ensure a RangeError is thrown when a proxied array returns an invalid array length.
+info: |
+    [...]
+    8. Let A be ? ArraySpeciesCreate(O, count).
+    [...]
+
+    9.4.2.3 ArraySpeciesCreate
+
+    [...]
+    3. Let isArray be ? IsArray(originalArray).
+    [...]
+    5. Let C be ? Get(originalArray, "constructor").
+    [...]
+    10. Return ? Construct(C, « length »).
+
+    9.4.2.2 ArrayCreate
+
+    [...]
+    3. If length>2^32-1, throw a RangeError exception.
+features: [Proxy]
+---*/
+
+var array = [];
+var maxLength = Math.pow(2, 32);
+var callCount = 0;
+var proxy = new Proxy(array, {
+  get: function(_, name) {
+    if (name === 'length') {
+      return maxLength;
+    }
+    return array[name];
+  },
+  set: function() {
+    callCount += 1;
+    return true;
+  }
+});
+
+assert.throws(RangeError, function() {
+  Array.prototype.slice.call(proxy);
+});
+
+assert.sameValue(
+  callCount,
+  0,
+  'RangeError thrown during array creation, not property modification'
+);
+
+reportCompare(0, 0);