1 files changed, 53 insertions, 0 deletions
diff --git a/browser/components/sessionstore/test/browser_global_store.js b/browser/components/sessionstore/test/browser_global_store.js
new file mode 100644
index 0000000000..99aa672180
--- /dev/null
+++ b/browser/components/sessionstore/test/browser_global_store.js
@@ -0,0 +1,53 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+// Tests the API for saving global session data.
+add_task(async function () {
+  const key1 = "Unique name 1: " + Date.now();
+  const key2 = "Unique name 2: " + Date.now();
+  const value1 = "Unique value 1: " + Math.random();
+  const value2 = "Unique value 2: " + Math.random();
+
+  let global = {};
+  global[key1] = value1;
+
+  const testState = {
+    windows: [
+      {
+        tabs: [
+          { entries: [{ url: "about:blank", triggeringPrincipal_base64 }] },
+        ],
+      },
+    ],
+    global,
+  };
+
+  function testRestoredState() {
+    is(
+      ss.getCustomGlobalValue(key1),
+      value1,
+      "restored state has global value"
+    );
+  }
+
+  function testGlobalStore() {
+    is(ss.getCustomGlobalValue(key2), "", "global value initially not set");
+
+    ss.setCustomGlobalValue(key2, value1);
+    is(ss.getCustomGlobalValue(key2), value1, "retreived value matches stored");
+
+    ss.setCustomGlobalValue(key2, value2);
+    is(
+      ss.getCustomGlobalValue(key2),
+      value2,
+      "previously stored value was overwritten"
+    );
+
+    ss.deleteCustomGlobalValue(key2);
+    is(ss.getCustomGlobalValue(key2), "", "global value was deleted");
+  }
+
+  await promiseBrowserState(testState);
+  testRestoredState();
+  testGlobalStore();
+});