1 files changed, 82 insertions, 0 deletions
diff --git a/devtools/client/inspector/rules/test/browser_rules_edit-selector_05.js b/devtools/client/inspector/rules/test/browser_rules_edit-selector_05.js
new file mode 100644
index 0000000000..30d945608d
--- /dev/null
+++ b/devtools/client/inspector/rules/test/browser_rules_edit-selector_05.js
@@ -0,0 +1,82 @@
+/* Any copyright is dedicated to the Public Domain.
+ http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+// Tests that adding a new property of an unmatched rule works properly.
+
+const TEST_URI = `
+  <style type="text/css">
+    #testid {
+    }
+    .testclass {
+      background-color: white;
+    }
+  </style>
+  <div id="testid">Styled Node</div>
+  <span class="testclass">This is a span</span>
+`;
+
+add_task(async function () {
+  await addTab("data:text/html;charset=utf-8," + encodeURIComponent(TEST_URI));
+  const { inspector, view } = await openRuleView();
+
+  info("Selecting the test element");
+  await selectNode("#testid", inspector);
+  await testEditSelector(view, "span");
+  await testAddProperty(view);
+
+  info("Selecting the modified element with the new rule");
+  await selectNode("span", inspector);
+  await checkModifiedElement(view, "span");
+});
+
+async function testEditSelector(view, name) {
+  info("Test editing existing selector fields");
+
+  const ruleEditor = getRuleViewRuleEditor(view, 1);
+
+  info("Focusing an existing selector name in the rule-view");
+  const editor = await focusEditableField(view, ruleEditor.selectorText);
+
+  is(
+    inplaceEditor(ruleEditor.selectorText),
+    editor,
+    "The selector editor got focused"
+  );
+
+  info("Entering a new selector name and committing");
+  editor.input.value = name;
+
+  info("Waiting for rule view to update");
+  const onRuleViewChanged = once(view, "ruleview-changed");
+
+  info("Entering the commit key");
+  EventUtils.synthesizeKey("KEY_Enter");
+  await onRuleViewChanged;
+
+  is(view._elementStyle.rules.length, 2, "Should have 2 rules.");
+  ok(getRuleViewRule(view, name), "Rule with " + name + " selector exists.");
+  ok(
+    getRuleViewRuleEditor(view, 1).element.getAttribute("unmatched"),
+    "Rule with " + name + " does not match the current element."
+  );
+
+  // Escape the new property editor after editing the selector
+  const onBlur = once(view.styleDocument.activeElement, "blur");
+  EventUtils.synthesizeKey("VK_ESCAPE", {}, view.styleWindow);
+  await onBlur;
+}
+
+function checkModifiedElement(view, name) {
+  is(view._elementStyle.rules.length, 3, "Should have 3 rules.");
+  ok(getRuleViewRule(view, name), "Rule with " + name + " selector exists.");
+}
+
+async function testAddProperty(view) {
+  info("Test creating a new property");
+  const textProp = await addProperty(view, 1, "text-align", "center");
+
+  is(textProp.value, "center", "Text prop should have been changed.");
+  ok(!textProp.overridden, "Property should not be overridden");
+}