1 files changed, 62 insertions, 0 deletions
diff --git a/devtools/client/inspector/rules/test/browser_rules_edit-property_08.js b/devtools/client/inspector/rules/test/browser_rules_edit-property_08.js
new file mode 100644
index 0000000000..d00a7c2c24
--- /dev/null
+++ b/devtools/client/inspector/rules/test/browser_rules_edit-property_08.js
@@ -0,0 +1,62 @@
+/* Any copyright is dedicated to the Public Domain.
+ http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+// Test that renaming a property works.
+
+const TEST_URI = `
+  <style type="text/css">
+  #testid {
+    color: #FFF;
+  }
+  </style>
+  <div style='color: red' id='testid'>Styled 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);
+
+  info("Get the color property editor");
+  const ruleEditor = getRuleViewRuleEditor(view, 0);
+  const propEditor = ruleEditor.rule.textProps[0].editor;
+  is(ruleEditor.rule.textProps[0].name, "color");
+
+  info("Focus the property name field");
+  await focusEditableField(ruleEditor.ruleView, propEditor.nameSpan, 32, 1);
+
+  info("Rename the property to background-color");
+  // Expect 3 events: the value editor being focused, the ruleview-changed event
+  // which signals that the new value has been previewed (fires once when the
+  // value gets focused), and the markupmutation event since we're modifying an
+  // inline style.
+  const onValueFocus = once(ruleEditor.element, "focus", true);
+  let onRuleViewChanged = ruleEditor.ruleView.once("ruleview-changed");
+  const onMutation = inspector.once("markupmutation");
+  EventUtils.sendString("background-color:", ruleEditor.doc.defaultView);
+  await onValueFocus;
+  await onRuleViewChanged;
+  await onMutation;
+
+  is(ruleEditor.rule.textProps[0].name, "background-color");
+  await waitForComputedStyleProperty(
+    "#testid",
+    null,
+    "background-color",
+    "rgb(255, 0, 0)"
+  );
+
+  is(
+    await getComputedStyleProperty("#testid", null, "color"),
+    "rgb(255, 255, 255)",
+    "color is white"
+  );
+
+  // The value field is still focused. Blur it now and wait for the
+  // ruleview-changed event to avoid pending requests.
+  onRuleViewChanged = view.once("ruleview-changed");
+  EventUtils.synthesizeKey("KEY_Escape");
+  await onRuleViewChanged;
+});