1 files changed, 28 insertions, 0 deletions
diff --git a/devtools/client/inspector/compatibility/test/browser/browser_compatibility_preference.js b/devtools/client/inspector/compatibility/test/browser/browser_compatibility_preference.js
new file mode 100644
index 0000000000..5c54206c2d
--- /dev/null
+++ b/devtools/client/inspector/compatibility/test/browser/browser_compatibility_preference.js
@@ -0,0 +1,28 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+// Test whether the compatibility tool is enabled or not according to the preference.
+
+add_task(async function () {
+  info("Check the compatibility tool is enabled if the pref is on");
+  await addTab("data:text/html;charset=utf-8,test");
+  await pushPref("devtools.inspector.compatibility.enabled", true);
+  const { inspector } = await openRuleView();
+  const compatibilityTab = inspector.panelDoc.getElementById(
+    "compatibilityview-tab"
+  );
+  ok(compatibilityTab, "The compatibility tool is enabled");
+});
+
+add_task(async function () {
+  info("Check the compatibility tool is disabled if the pref is off");
+  await addTab("data:text/html;charset=utf-8,test");
+  await pushPref("devtools.inspector.compatibility.enabled", false);
+  const { inspector } = await openRuleView();
+  const compatibilityTab = inspector.panelDoc.getElementById(
+    "compatibilityview-tab"
+  );
+  ok(!compatibilityTab, "The compatibility tool is disabled");
+});