1 files changed, 30 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/basic/metadata-hook.js b/js/src/jit-test/tests/basic/metadata-hook.js
new file mode 100644
index 0000000000..2b251ab8c6
--- /dev/null
+++ b/js/src/jit-test/tests/basic/metadata-hook.js
@@ -0,0 +1,30 @@
+
+enableShellAllocationMetadataBuilder();
+
+function Foo() {
+  this.x = 0;
+  this.y = 1;
+}
+
+function hello() {
+  function there() {
+    w = new Foo();
+    x = [1,2,3];
+    y = [2,3,5];
+    z = {a:0,b:1};
+  }
+  callee = there;
+  callee();
+}
+hello();
+
+var wc = getAllocationMetadata(w).index;
+var xc = getAllocationMetadata(x).index;
+var yc = getAllocationMetadata(y).index;
+var zc = getAllocationMetadata(z).index;
+
+assertEq(xc > wc, true);
+assertEq(yc > xc, true);
+assertEq(zc > yc, true);
+assertEq(getAllocationMetadata(x).stack[0], callee);
+assertEq(getAllocationMetadata(x).stack[1], hello);