1 files changed, 49 insertions, 0 deletions
diff --git a/tools/lint/eslint/eslint-plugin-mozilla/tests/reject-global-this.js b/tools/lint/eslint/eslint-plugin-mozilla/tests/reject-global-this.js
new file mode 100644
index 0000000000..44ee559580
--- /dev/null
+++ b/tools/lint/eslint/eslint-plugin-mozilla/tests/reject-global-this.js
@@ -0,0 +1,49 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+// ------------------------------------------------------------------------------
+// Requirements
+// ------------------------------------------------------------------------------
+
+var rule = require("../lib/rules/reject-global-this");
+var RuleTester = require("eslint").RuleTester;
+
+// class static block is available from ES2022 = 13.
+const ruleTester = new RuleTester({ parserOptions: { ecmaVersion: 13 } });
+
+// ------------------------------------------------------------------------------
+// Tests
+// ------------------------------------------------------------------------------
+
+function invalidCode(code) {
+  let message = "JSM should not use the global this";
+  return { code, errors: [{ message, type: "ThisExpression" }] };
+}
+
+ruleTester.run("reject-top-level-await", rule, {
+  valid: [
+    "function f() { this; }",
+    "(function f() { this; });",
+    "({ foo() { this; } });",
+    "({ get foo() { this; } })",
+    "({ set foo(x) { this; } })",
+    "class X { foo() { this; } }",
+    "class X { get foo() { this; } }",
+    "class X { set foo(x) { this; } }",
+    "class X { static foo() { this; } }",
+    "class X { static get foo() { this; } }",
+    "class X { static set foo(x) { this; } }",
+    "class X { P = this; }",
+    "class X { #P = this; }",
+    "class X { static { this; } }",
+  ],
+  invalid: [
+    invalidCode("this;"),
+    invalidCode("() => this;"),
+
+    invalidCode("this.foo = 10;"),
+    invalidCode("ChromeUtils.defineModuleGetter(this, {});"),
+  ],
+});