Add m-esr52 at 52.6.0

1 files changed, 19 insertions, 0 deletions

diff --git a/js/src/jit-test/tests/proxy/testDirectProxyConstructor.js b/js/src/jit-test/tests/proxy/testDirectProxyConstructor.js
new file mode 100644
index 000000000..9ff2710bf
--- /dev/null
+++ b/js/src/jit-test/tests/proxy/testDirectProxyConstructor.js
@@ -0,0 +1,19 @@
+load(libdir + "asserts.js");
+
+// Throw a TypeError if Proxy is not called as a constructor
+assertThrowsInstanceOf(function () { Proxy({}, {}); }, TypeError);
+
+// Throw a TypeError if Proxy is called with less than two arguments
+assertThrowsInstanceOf(function () { new Proxy(); }, TypeError);
+assertThrowsInstanceOf(function () { new Proxy({}); }, TypeError);
+
+// Throw a TypeError if the first argument is not a non-null object
+assertThrowsInstanceOf(function () { new Proxy(0, {}); }, TypeError);
+assertThrowsInstanceOf(function () { new Proxy(null, {}); }, TypeError);
+
+// Throw a TypeError if the second argument is not a non-null object
+assertThrowsInstanceOf(function () { new Proxy({}, 0); }, TypeError);
+assertThrowsInstanceOf(function () { new Proxy({}, null); }, TypeError);
+
+// Result of the call should be an object
+assertEq(typeof new Proxy({}, {}), 'object');