diff --git a/tests/lib/rules/no-unreachable.js b/tests/lib/rules/no-unreachable.js
new file mode 100644
index 0000000..f74c7a6
--- /dev/null
+++ b/tests/lib/rules/no-unreachable.js
@@ -0,0 +1,43 @@
+/**
+ * @fileoverview Tests for no-unreachable rule.
+ * @author Shahar Or
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const rule = require("eslint/lib/rules/no-unreachable"),
+    RuleTester = require("eslint").RuleTester;
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+const ruleTester = new RuleTester();
+
+ruleTester.run("no-unreachable", rule, {
+    valid: [
+        {
+            code: `
+namespace foo {
+    function bar() {
+        return;
+    }
+}
+console.log('reachable!')
+            `,
+            parser: "typescript-eslint-parser"
+        }
+    ],
+    invalid: [
+        {
+            code: "function foo() { return x; var x = 1; }",
+            errors: [
+                { message: "Unreachable code.", type: "VariableDeclaration" }
+            ]
+        }
+    ]
+});