1 files changed, 71 insertions, 0 deletions
diff --git a/deps/v8/test/mjsunit/regress/readonly1.js b/deps/v8/test/mjsunit/regress/readonly1.js
new file mode 100644
index 0000000000..366f432fbc
--- /dev/null
+++ b/deps/v8/test/mjsunit/regress/readonly1.js
@@ -0,0 +1,71 @@
+// Copyright 2013 the V8 project authors. All rights reserved.
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+//       notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+//       copyright notice, this list of conditions and the following
+//       disclaimer in the documentation and/or other materials provided
+//       with the distribution.
+//     * Neither the name of Google Inc. nor the names of its
+//       contributors may be used to endorse or promote products derived
+//       from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+function s(v) {
+  v.x = 1;
+}
+
+function s_strict(v) {
+  "use strict";
+  v.x = 1;
+}
+
+function c(p) {
+  return {__proto__: p};
+}
+
+var p = {};
+
+var o1 = c(p);
+var o2 = c(p);
+var o3 = c(p);
+var o4 = c(p);
+
+// Make p go slow.
+// Do this after using p as prototype, since using an object as prototype kicks
+// it back into fast mode.
+p.y = 1;
+delete p.y;
+p.x = 5;
+
+// Initialize the store IC.
+s(o1);
+s(o2);
+s_strict(o1);
+s_strict(o2);
+
+// Make x non-writable.
+Object.defineProperty(p, "x", { writable: false });
+
+// Verify that direct setting fails.
+o3.x = 20;
+assertEquals(5, o3.x);
+
+// Verify that setting through the IC fails.
+s(o4);
+assertEquals(5, o4.x);
+assertThrows("s_strict(o4);", TypeError);