From 4f48fcdb94d52c619c4a31d70dd747a8846422c7 Mon Sep 17 00:00:00 2001
From: Barney Wilks <barneywilks1@gmail.com>
Date: Fri, 10 Apr 2020 00:39:33 +0100
Subject: [PATCH] LibJS: Add tests for exception if assignment LHS is invalid

---
 .../LibJS/Tests/invalid-lhs-in-assignment.js  | 26 +++++++++++++++++++
 1 file changed, 26 insertions(+)
 create mode 100644 Libraries/LibJS/Tests/invalid-lhs-in-assignment.js

diff --git a/Libraries/LibJS/Tests/invalid-lhs-in-assignment.js b/Libraries/LibJS/Tests/invalid-lhs-in-assignment.js
new file mode 100644
index 0000000000..7257c87e29
--- /dev/null
+++ b/Libraries/LibJS/Tests/invalid-lhs-in-assignment.js
@@ -0,0 +1,26 @@
+try {
+    try {
+        Math.abs(-20) = 40;
+    } catch (e) {
+        assert(e.name === "ReferenceError");
+        assert(e.message === "Invalid left-hand side in assignment");
+    }
+
+    try {
+        512 = 256;
+    } catch (e) {
+        assert(e.name === "ReferenceError");
+        assert(e.message === "Invalid left-hand side in assignment");
+    }
+
+    try {
+        "hello world" = "another thing?";
+    } catch (e) {
+        assert(e.name === "ReferenceError");
+        assert(e.message === "Invalid left-hand side in assignment");
+    }
+
+    console.log("PASS");
+} catch (e) {
+    console.log("FAIL: " + e);
+}