1 files changed, 43 insertions, 0 deletions
diff --git a/browser/components/originattributes/test/browser/browser_cookieIsolation.js b/browser/components/originattributes/test/browser/browser_cookieIsolation.js
new file mode 100644
index 0000000000..e10943e588
--- /dev/null
+++ b/browser/components/originattributes/test/browser/browser_cookieIsolation.js
@@ -0,0 +1,43 @@
+/**
+ * Bug 1312541 - A test case for document.cookie isolation.
+ */
+
+const TEST_PAGE =
+  "https://example.net/browser/browser/components/" +
+  "originattributes/test/browser/file_firstPartyBasic.html";
+
+// Use a random key so we don't access it in later tests.
+const key = "key" + Math.random().toString();
+const re = new RegExp(key + "=([0-9.]+)");
+
+// Define the testing function
+function doTest(aBrowser) {
+  return SpecialPowers.spawn(
+    aBrowser,
+    [key, re],
+    function (contentKey, contentRe) {
+      let result = contentRe.exec(content.document.cookie);
+      if (result) {
+        return result[1];
+      }
+      // No value is found, so we create one.
+      let value = Math.random().toString();
+      content.document.cookie =
+        contentKey + "=" + value + "; SameSite=None; Secure;";
+      return value;
+    }
+  );
+}
+
+registerCleanupFunction(() => {
+  Services.cookies.removeAll();
+});
+
+IsolationTestTools.runTests(
+  TEST_PAGE,
+  doTest,
+  null,
+  null,
+  false,
+  true /* aUseHttps */
+);