1 files changed, 51 insertions, 0 deletions
diff --git a/devtools/client/inspector/rules/test/browser_rules_edit-property_10.js b/devtools/client/inspector/rules/test/browser_rules_edit-property_10.js
new file mode 100644
index 0000000000..3db2164b0c
--- /dev/null
+++ b/devtools/client/inspector/rules/test/browser_rules_edit-property_10.js
@@ -0,0 +1,51 @@
+/* Any copyright is dedicated to the Public Domain.
+ http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+const TEST_URI = `
+  <style>
+    div {
+      color: red;
+      width: 10; /* This document is in quirks mode so this value should be valid */
+    }
+  </style>
+  <div></div>
+`;
+
+// Test that CSS property names are case insensitive when validating, and that
+// quirks mode is accounted for when validating.
+add_task(async function () {
+  await addTab("data:text/html;charset=utf-8," + encodeURIComponent(TEST_URI));
+  const { inspector, view: ruleView } = await openRuleView();
+
+  await selectNode("div", inspector);
+  let prop = getTextProperty(ruleView, 1, { color: "red" });
+
+  let onRuleViewChanged;
+
+  info(`Rename the CSS property name to "Color"`);
+  onRuleViewChanged = ruleView.once("ruleview-changed");
+  await renameProperty(ruleView, prop, "Color");
+  info("Wait for Rule view to update");
+  await onRuleViewChanged;
+
+  is(prop.overridden, false, "Titlecase property is not overriden");
+  is(prop.enabled, true, "Titlecase property is enabled");
+  is(prop.isNameValid(), true, "Titlecase property is valid");
+
+  info(`Rename the CSS property name to "COLOR"`);
+  onRuleViewChanged = ruleView.once("ruleview-changed");
+  await renameProperty(ruleView, prop, "COLOR");
+  info("Wait for Rule view to update");
+  await onRuleViewChanged;
+
+  is(prop.overridden, false, "Uppercase property is not overriden");
+  is(prop.enabled, true, "Uppercase property is enabled");
+  is(prop.isNameValid(), true, "Uppercase property is valid");
+
+  info(`Checking width validity`);
+  prop = getTextProperty(ruleView, 1, { width: "10" });
+  is(prop.isNameValid(), true, "width is a valid property");
+  is(prop.isValid(), true, "10 is a valid property value in quirks mode");
+});