1 files changed, 62 insertions, 0 deletions
diff --git a/devtools/client/inspector/rules/test/browser_rules_user-agent-styles-uneditable.js b/devtools/client/inspector/rules/test/browser_rules_user-agent-styles-uneditable.js
new file mode 100644
index 0000000000..07a2b6abb8
--- /dev/null
+++ b/devtools/client/inspector/rules/test/browser_rules_user-agent-styles-uneditable.js
@@ -0,0 +1,62 @@
+/* Any copyright is dedicated to the Public Domain.
+ http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+// Check that user agent styles are never editable via
+// the UI
+
+const TEST_URI = `
+  <blockquote type=cite>
+   <pre _moz_quote=true>
+     inspect <a href='foo' style='color:orange'>user agent</a> styles
+   </pre>
+  </blockquote>
+`;
+
+var PREF_UA_STYLES = "devtools.inspector.showUserAgentStyles";
+
+add_task(async function () {
+  info("Starting the test with the pref set to true before toolbox is opened");
+  Services.prefs.setBoolPref(PREF_UA_STYLES, true);
+
+  await addTab("data:text/html;charset=utf-8," + encodeURIComponent(TEST_URI));
+  const { inspector, view } = await openRuleView();
+
+  await userAgentStylesUneditable(inspector, view);
+
+  info("Resetting " + PREF_UA_STYLES);
+  Services.prefs.clearUserPref(PREF_UA_STYLES);
+});
+
+async function userAgentStylesUneditable(inspector, view) {
+  info("Making sure that UI is not editable for user agent styles");
+
+  await selectNode("a", inspector);
+  const uaRules = view._elementStyle.rules.filter(
+    rule => !rule.editor.isEditable
+  );
+
+  for (const rule of uaRules) {
+    ok(
+      rule.editor.element.hasAttribute("uneditable"),
+      "UA rules have uneditable attribute"
+    );
+
+    const firstProp = rule.textProps.filter(p => !p.invisible)[0];
+
+    ok(!firstProp.editor.nameSpan._editable, "nameSpan is not editable");
+    ok(!firstProp.editor.valueSpan._editable, "valueSpan is not editable");
+    ok(!rule.editor.closeBrace._editable, "closeBrace is not editable");
+
+    const colorswatch = rule.editor.element.querySelector(
+      ".ruleview-colorswatch"
+    );
+    if (colorswatch) {
+      ok(
+        !view.tooltips.getTooltip("colorPicker").swatches.has(colorswatch),
+        "The swatch is not editable"
+      );
+    }
+  }
+}