Add m-esr52 at 52.6.0

1 files changed, 34 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 000000000..db9662eee
--- /dev/null
+++ b/devtools/client/inspector/rules/test/browser_rules_inherited-properties_02.js
@@ -0,0 +1,34 @@
+/* vim: set ft=javascript ts=2 et sw=2 tw=80: */
+/* 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(function* () {
+  yield addTab("data:text/html;charset=utf-8," + encodeURIComponent(TEST_URI));
+  let {inspector, view} = yield openRuleView();
+  yield selectNode("#test1", inspector);
+  yield emptyInherit(inspector, view);
+});
+
+function* emptyInherit(inspector, view) {
+  // No inheritable styles, this rule shouldn't show up.
+  let elementStyle = view._elementStyle;
+  is(elementStyle.rules.length, 1, "Should have 1 rule.");
+
+  let elementRule = elementStyle.rules[0];
+  ok(!elementRule.inherited,
+    "Element style attribute should not consider itself inherited.");
+}