1 files changed, 60 insertions, 0 deletions
diff --git a/tools/lint/eslint/eslint-plugin-mozilla/tests/use-cc-etc.js b/tools/lint/eslint/eslint-plugin-mozilla/tests/use-cc-etc.js
new file mode 100644
index 0000000000..8d0516cfc7
--- /dev/null
+++ b/tools/lint/eslint/eslint-plugin-mozilla/tests/use-cc-etc.js
@@ -0,0 +1,60 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+// ------------------------------------------------------------------------------
+// Requirements
+// ------------------------------------------------------------------------------
+
+var rule = require("../lib/rules/use-cc-etc");
+var RuleTester = require("eslint").RuleTester;
+
+const ruleTester = new RuleTester({ parserOptions: { ecmaVersion: "latest" } });
+
+// ------------------------------------------------------------------------------
+// Tests
+// ------------------------------------------------------------------------------
+
+function invalidCode(code, originalName, newName, output) {
+  return {
+    code,
+    output,
+    errors: [
+      {
+        message: `Use ${newName} rather than ${originalName}`,
+        type: "MemberExpression",
+      },
+    ],
+  };
+}
+
+ruleTester.run("use-cc-etc", rule, {
+  valid: ["Components.Constructor();", "let x = Components.foo;"],
+  invalid: [
+    invalidCode(
+      "let foo = Components.classes['bar'];",
+      "Components.classes",
+      "Cc",
+      "let foo = Cc['bar'];"
+    ),
+    invalidCode(
+      "let bar = Components.interfaces.bar;",
+      "Components.interfaces",
+      "Ci",
+      "let bar = Ci.bar;"
+    ),
+    invalidCode(
+      "Components.results.NS_ERROR_ILLEGAL_INPUT;",
+      "Components.results",
+      "Cr",
+      "Cr.NS_ERROR_ILLEGAL_INPUT;"
+    ),
+    invalidCode(
+      "Components.utils.reportError('fake');",
+      "Components.utils",
+      "Cu",
+      "Cu.reportError('fake');"
+    ),
+  ],
+});