1 files changed, 35 insertions, 0 deletions
diff --git a/devtools/client/inspector/rules/test/browser_rules_inherited-properties_02.js b/devtools/client/inspector/rules/test/browser_rules_inherited-properties_02.js
new file mode 100644
index 0000000000..da489b45d1
--- /dev/null
+++ b/devtools/client/inspector/rules/test/browser_rules_inherited-properties_02.js
@@ -0,0 +1,35 @@
+/* Any copyright is dedicated to the Public Domain.
+ http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+// Check that no inherited properties appear when the property does not apply
+// to the nested element.
+
+const TEST_URI = `
+  <style type="text/css">
+    #test2 {
+      background-color: green;
+    }
+  </style>
+  <div id="test2"><div id="test1">Styled Node</div></div>
+`;
+
+add_task(async function () {
+  await addTab("data:text/html;charset=utf-8," + encodeURIComponent(TEST_URI));
+  const { inspector, view } = await openRuleView();
+  await selectNode("#test1", inspector);
+  await emptyInherit(inspector, view);
+});
+
+function emptyInherit(inspector, view) {
+  // No inheritable styles, this rule shouldn't show up.
+  const elementStyle = view._elementStyle;
+  is(elementStyle.rules.length, 1, "Should have 1 rule.");
+
+  const elementRule = elementStyle.rules[0];
+  ok(
+    !elementRule.inherited,
+    "Element style attribute should not consider itself inherited."
+  );
+}