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-rw-r--r--js/src/jit-test/tests/proxy/testDirectProxySetInherited.js23
1 files changed, 23 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/proxy/testDirectProxySetInherited.js b/js/src/jit-test/tests/proxy/testDirectProxySetInherited.js
new file mode 100644
index 000000000..9c8c88093
--- /dev/null
+++ b/js/src/jit-test/tests/proxy/testDirectProxySetInherited.js
@@ -0,0 +1,23 @@
+// When assigning to an object with a proxy is on the prototype chain,
+// the proxy's set handler is called.
+
+var C = {};
+var B = new Proxy(C, {
+ get() { throw "FAIL"; },
+ getOwnPropertyDescriptor() { throw "FAIL"; },
+ has() { throw "FAIL"; },
+ defineProperty() { throw "FAIL"; },
+ set(target, id, value, receiver) {
+ hits++;
+ assertEq(target, C);
+ assertEq(id, "x");
+ assertEq(value, 3);
+ assertEq(receiver, A);
+ return true;
+ }
+});
+var A = Object.create(B);
+
+var hits = 0;
+A.x = 3;
+assertEq(hits, 1);