1 files changed, 56 insertions, 0 deletions
diff --git a/devtools/client/inspector/rules/test/browser_rules_edit-property-cancel.js b/devtools/client/inspector/rules/test/browser_rules_edit-property-cancel.js
new file mode 100644
index 0000000000..443f8432f8
--- /dev/null
+++ b/devtools/client/inspector/rules/test/browser_rules_edit-property-cancel.js
@@ -0,0 +1,56 @@
+/* Any copyright is dedicated to the Public Domain.
+ http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+// Tests editing a property name or value and escaping will revert the
+// changes and restore the original value.
+
+const TEST_URI = `
+  <style type='text/css'>
+  #testid {
+    background-color: #00F;
+  }
+  </style>
+  <div 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);
+
+  const ruleEditor = getRuleViewRuleEditor(view, 1);
+  const prop = getTextProperty(view, 1, { "background-color": "#00F" });
+  const propEditor = prop.editor;
+
+  await focusEditableField(view, propEditor.nameSpan);
+  await sendKeysAndWaitForFocus(view, ruleEditor.element, ["DELETE", "ESCAPE"]);
+
+  is(
+    propEditor.nameSpan.textContent,
+    "background-color",
+    "'background-color' property name is correctly set."
+  );
+  is(
+    await getComputedStyleProperty("#testid", null, "background-color"),
+    "rgb(0, 0, 255)",
+    "#00F background color is set."
+  );
+
+  await focusEditableField(view, propEditor.valueSpan);
+  const onValueDeleted = view.once("ruleview-changed");
+  await sendKeysAndWaitForFocus(view, ruleEditor.element, ["DELETE", "ESCAPE"]);
+  await onValueDeleted;
+
+  is(
+    propEditor.valueSpan.textContent,
+    "#00F",
+    "'#00F' property value is correctly set."
+  );
+  is(
+    await getComputedStyleProperty("#testid", null, "background-color"),
+    "rgb(0, 0, 255)",
+    "#00F background color is set."
+  );
+});