1 files changed, 62 insertions, 0 deletions
diff --git a/tools/lint/eslint/eslint-plugin-mozilla/tests/no-define-cc-etc.js b/tools/lint/eslint/eslint-plugin-mozilla/tests/no-define-cc-etc.js
new file mode 100644
index 0000000000..735c7f4654
--- /dev/null
+++ b/tools/lint/eslint/eslint-plugin-mozilla/tests/no-define-cc-etc.js
@@ -0,0 +1,62 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+// ------------------------------------------------------------------------------
+// Requirements
+// ------------------------------------------------------------------------------
+
+var rule = require("../lib/rules/no-define-cc-etc");
+var RuleTester = require("eslint").RuleTester;
+
+const ruleTester = new RuleTester({ parserOptions: { ecmaVersion: 9 } });
+
+// ------------------------------------------------------------------------------
+// Tests
+// ------------------------------------------------------------------------------
+
+function invalidCode(code, varNames) {
+  if (!Array.isArray(varNames)) {
+    varNames = [varNames];
+  }
+  return {
+    code,
+    errors: varNames.map(name => {
+      return {
+        message: `${name} is now defined in global scope, a separate definition is no longer necessary.`,
+        type: "VariableDeclarator",
+      };
+    }),
+  };
+}
+
+ruleTester.run("no-define-cc-etc", rule, {
+  valid: [
+    "var Cm = Components.manager;",
+    "const CC = Components.Constructor;",
+    "var {Constructor: CC, manager: Cm} = Components;",
+    "const {Constructor: CC, manager: Cm} = Components;",
+    "foo.Cc.test();",
+    "const {bar, ...foo} = obj;",
+  ],
+  invalid: [
+    invalidCode("var Cc;", "Cc"),
+    invalidCode("let Cc;", "Cc"),
+    invalidCode("let Ci;", "Ci"),
+    invalidCode("let Cr;", "Cr"),
+    invalidCode("let Cu;", "Cu"),
+    invalidCode("var Cc = Components.classes;", "Cc"),
+    invalidCode("const {classes: Cc} = Components;", "Cc"),
+    invalidCode("let {classes: Cc, manager: Cm} = Components", "Cc"),
+    invalidCode("const Cu = Components.utils;", "Cu"),
+    invalidCode("var Ci = Components.interfaces, Cc = Components.classes;", [
+      "Ci",
+      "Cc",
+    ]),
+    invalidCode("var {'interfaces': Ci, 'classes': Cc} = Components;", [
+      "Ci",
+      "Cc",
+    ]),
+  ],
+});