Add m-esr52 at 52.6.0

1 files changed, 32 insertions, 0 deletions

diff --git a/js/src/jit-test/tests/TypedObject/neutertypedobj.js b/js/src/jit-test/tests/TypedObject/neutertypedobj.js
new file mode 100644
index 000000000..ff5c0360f
--- /dev/null
+++ b/js/src/jit-test/tests/TypedObject/neutertypedobj.js
@@ -0,0 +1,32 @@
+if (!this.hasOwnProperty("TypedObject"))
+  quit();
+
+var {StructType, uint32, storage} = TypedObject;
+var S = new StructType({f: uint32, g: uint32});
+
+function readFromS(s) {
+  return s.f + s.g;
+}
+
+function main() {
+  var s = new S({f: 22, g: 44});
+
+  for (var i = 0; i < 10; i++)
+    assertEq(readFromS(s), 66);
+
+  detachArrayBuffer(storage(s).buffer);
+
+  for (var i = 0; i < 10; i++) {
+    var ok = false;
+
+    try {
+      readFromS(s);
+    } catch (e) {
+      ok = e instanceof TypeError;
+    }
+
+    assertEq(ok, true);
+  }
+}
+
+main();