1 files changed, 44 insertions, 0 deletions
diff --git a/devtools/client/inspector/rules/test/browser_rules_add-rule-with-menu.js b/devtools/client/inspector/rules/test/browser_rules_add-rule-with-menu.js
new file mode 100644
index 0000000000..b3b23a6ae9
--- /dev/null
+++ b/devtools/client/inspector/rules/test/browser_rules_add-rule-with-menu.js
@@ -0,0 +1,44 @@
+/* Any copyright is dedicated to the Public Domain.
+ http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+// Tests the a new CSS rule can be added using the context menu.
+
+const TEST_URI = '<div id="testid">Test Node</div>';
+
+add_task(async function () {
+  await addTab("data:text/html;charset=utf-8," + encodeURIComponent(TEST_URI));
+  const { inspector, view } = await openRuleView();
+
+  await selectNode("#testid", inspector);
+  await addNewRuleFromContextMenu(inspector, view);
+  await testNewRule(view);
+});
+
+async function addNewRuleFromContextMenu(inspector, view) {
+  info("Waiting for context menu to be shown");
+
+  const allMenuItems = openStyleContextMenuAndGetAllItems(view, view.element);
+  const menuitemAddRule = allMenuItems.find(
+    item =>
+      item.label ===
+      STYLE_INSPECTOR_L10N.getStr("styleinspector.contextmenu.addNewRule")
+  );
+
+  ok(menuitemAddRule.visible, "Add rule is visible");
+
+  info("Adding the new rule and expecting a ruleview-changed event");
+  const onRuleViewChanged = view.once("ruleview-changed");
+  menuitemAddRule.click();
+  await onRuleViewChanged;
+}
+
+function testNewRule(view) {
+  const ruleEditor = getRuleViewRuleEditor(view, 1);
+  const editor = ruleEditor.selectorText.ownerDocument.activeElement;
+  is(editor.value, "#testid", "Selector editor value is as expected");
+
+  info("Escaping from the selector field the change");
+  EventUtils.synthesizeKey("KEY_Escape");
+}