1 files changed, 38 insertions, 0 deletions
diff --git a/tools/lint/eslint/eslint-plugin-mozilla/tests/no-more-globals.js b/tools/lint/eslint/eslint-plugin-mozilla/tests/no-more-globals.js
new file mode 100644
index 0000000000..5b4b560e3c
--- /dev/null
+++ b/tools/lint/eslint/eslint-plugin-mozilla/tests/no-more-globals.js
@@ -0,0 +1,38 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+// ------------------------------------------------------------------------------
+// Requirements
+// ------------------------------------------------------------------------------
+
+var rule = require("../lib/rules/no-more-globals");
+var RuleTester = require("eslint").RuleTester;
+
+const ruleTester = new RuleTester({ parserOptions: { ecmaVersion: "latest" } });
+
+function makeTest(code, errors = []) {
+  return {
+    code,
+    errors,
+    filename: __dirname + "/helper-no-more-globals.js",
+  };
+}
+
+ruleTester.run("no-more-globals", rule, {
+  valid: [
+    makeTest("function foo() {}"),
+    makeTest("var foo = 5;"),
+    makeTest("let foo = 42;"),
+  ],
+  invalid: [
+    makeTest("console.log('hello');", [
+      { messageId: "removedGlobal", data: { name: "foo" } },
+    ]),
+    makeTest("let bar = 42;", [
+      { messageId: "newGlobal", data: { name: "bar" } },
+      { messageId: "removedGlobal", data: { name: "foo" } },
+    ]),
+  ],
+});