1 files changed, 41 insertions, 0 deletions
diff --git a/devtools/client/inspector/rules/test/browser_rules_edit-selector_12.js b/devtools/client/inspector/rules/test/browser_rules_edit-selector_12.js
new file mode 100644
index 0000000000..187836b860
--- /dev/null
+++ b/devtools/client/inspector/rules/test/browser_rules_edit-selector_12.js
@@ -0,0 +1,41 @@
+/* Any copyright is dedicated to the Public Domain.
+ http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+// Test editing selectors for rules inside @import'd stylesheets.
+// This is a regression test for bug 1355819.
+
+add_task(async function () {
+  await addTab(URL_ROOT + "doc_edit_imported_selector.html");
+  const { inspector, view } = await openRuleView();
+
+  info("Select the node styled by an @import'd rule");
+  await selectNode("#target", inspector);
+
+  info("Focus the selector in the rule-view");
+  let ruleEditor = getRuleViewRuleEditor(view, 1);
+  const editor = await focusEditableField(view, ruleEditor.selectorText);
+
+  info("Change the selector to something else");
+  editor.input.value = "div";
+  const onRuleViewChanged = once(view, "ruleview-changed");
+  EventUtils.synthesizeKey("KEY_Enter");
+  await onRuleViewChanged;
+
+  info("Escape the new property editor after editing the selector");
+  const onBlur = once(view.styleDocument.activeElement, "blur");
+  EventUtils.synthesizeKey("KEY_Escape", {}, view.styleWindow);
+  await onBlur;
+
+  info("Check the rules are still displayed correctly");
+  is(view._elementStyle.rules.length, 3, "The element still has 3 rules.");
+
+  ruleEditor = getRuleViewRuleEditor(view, 1);
+  is(
+    ruleEditor.element.getAttribute("unmatched"),
+    "false",
+    "Rule editor is matched."
+  );
+  is(ruleEditor.selectorText.textContent, "div", "The new selector is correct");
+});