1 files changed, 33 insertions, 0 deletions
diff --git a/browser/components/originattributes/test/browser/browser_localStorageIsolation.js b/browser/components/originattributes/test/browser/browser_localStorageIsolation.js
new file mode 100644
index 0000000000..68990f6ea4
--- /dev/null
+++ b/browser/components/originattributes/test/browser/browser_localStorageIsolation.js
@@ -0,0 +1,33 @@
+/**
+ * Bug 1264567 - A test case for localStorage isolation.
+ */
+
+const TEST_PAGE =
+  "http://mochi.test:8888/browser/browser/components/" +
+  "originattributes/test/browser/file_firstPartyBasic.html";
+
+// Use a random key so we don't access it in later tests.
+const key = Math.random().toString();
+
+// IsolationTestTools flushes all preferences
+// hence we explicitly pref off https-first mode
+async function prefOffHttpsFirstMode() {
+  await SpecialPowers.pushPrefEnv({
+    set: [["dom.security.https_first", false]],
+  });
+}
+
+// Define the testing function
+function doTest(aBrowser) {
+  return SpecialPowers.spawn(aBrowser, [key], function (contentKey) {
+    let value = content.localStorage.getItem(contentKey);
+    if (value === null) {
+      // No value is found, so we create one.
+      value = Math.random().toString();
+      content.localStorage.setItem(contentKey, value);
+    }
+    return value;
+  });
+}
+
+IsolationTestTools.runTests(TEST_PAGE, doTest, null, prefOffHttpsFirstMode);