1 files changed, 45 insertions, 0 deletions
diff --git a/tools/lint/eslint/eslint-plugin-mozilla/tests/mark-exported-symbols-as-used.js b/tools/lint/eslint/eslint-plugin-mozilla/tests/mark-exported-symbols-as-used.js
new file mode 100644
index 0000000000..e738825fab
--- /dev/null
+++ b/tools/lint/eslint/eslint-plugin-mozilla/tests/mark-exported-symbols-as-used.js
@@ -0,0 +1,45 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+// ------------------------------------------------------------------------------
+// Requirements
+// ------------------------------------------------------------------------------
+
+var rule = require("../lib/rules/mark-exported-symbols-as-used");
+var RuleTester = require("eslint").RuleTester;
+
+const ruleTester = new RuleTester({ parserOptions: { ecmaVersion: "latest" } });
+
+// ------------------------------------------------------------------------------
+// Tests
+// ------------------------------------------------------------------------------
+
+function invalidCode(code, type, messageId) {
+  return { code, errors: [{ messageId, type }] };
+}
+
+ruleTester.run("mark-exported-symbols-as-used", rule, {
+  valid: [
+    "var EXPORTED_SYMBOLS = ['foo'];",
+    "this.EXPORTED_SYMBOLS = ['foo'];",
+  ],
+  invalid: [
+    invalidCode(
+      "let EXPORTED_SYMBOLS = ['foo'];",
+      "VariableDeclaration",
+      "useLetForExported"
+    ),
+    invalidCode(
+      "var EXPORTED_SYMBOLS = 'foo';",
+      "VariableDeclaration",
+      "nonArrayAssignedToImported"
+    ),
+    invalidCode(
+      "this.EXPORTED_SYMBOLS = 'foo';",
+      "AssignmentExpression",
+      "nonArrayAssignedToImported"
+    ),
+  ],
+});