From f2ef9d59021ffd083357ce97050acb005adc05f4 Mon Sep 17 00:00:00 2001
From: Jake Champion <jakechampion.jake2@googlemail.com>
Date: Fri, 5 Jul 2019 11:45:38 +0100
Subject: [PATCH] Add tests for missing features of the polyfill

---
 test/es6-shim.js | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/test/es6-shim.js b/test/es6-shim.js
index b0de9e5..b44e052 100644
--- a/test/es6-shim.js
+++ b/test/es6-shim.js
@@ -15,6 +15,19 @@ describe("es6-shim", function () {
 
 	myit("length property of the normalize method is 0.", function () {
 		assert("foo".normalize.length, 0, "length property of the normalize method is 0.");
+		assert(String.prototype.normalize.length, 0, "length property of the normalize method is 0.");
+	});
+
+	it("throws TypeError if `this` is null", function () {
+		assert.throws(function () {
+			String.prototype.normalize.call(null);
+		}, TypeError);
+	});
+	
+	it("throws TypeError if `this` is undefined", function () {
+		assert.throws(function () {
+			String.prototype.normalize.call(undefined);
+		}, TypeError);
 	});
 
 	myit("If f is not one of \"NFC\", \"NFD\", \"NFKC\", or \"NFKD\", then throw a RangeError Exception.", function () {