1 files changed, 64 insertions, 0 deletions
diff --git a/browser/components/resistfingerprinting/test/browser/browser_netInfo.js b/browser/components/resistfingerprinting/test/browser/browser_netInfo.js
new file mode 100644
index 0000000000..c91caa5bc3
--- /dev/null
+++ b/browser/components/resistfingerprinting/test/browser/browser_netInfo.js
@@ -0,0 +1,64 @@
+/**
+ * Bug 1372072 - A test case for check whether network information API has been
+ *   spoofed correctly when 'privacy.resistFingerprinting' is true;
+ */
+
+async function testWindow() {
+  // Open a tab to test network information in a content.
+  let tab = await BrowserTestUtils.openNewForegroundTab(
+    gBrowser,
+    TEST_PATH + "file_dummy.html"
+  );
+
+  await SpecialPowers.spawn(tab.linkedBrowser, [], async function () {
+    ok("connection" in content.navigator, "navigator.connection should exist");
+
+    is(
+      content.navigator.connection.type,
+      "unknown",
+      "The connection type is spoofed correctly"
+    );
+  });
+
+  BrowserTestUtils.removeTab(tab);
+}
+
+async function testWorker() {
+  // Open a tab to test network information in a worker.
+  let tab = await BrowserTestUtils.openNewForegroundTab(
+    gBrowser,
+    TEST_PATH + "file_dummy.html"
+  );
+
+  await SpecialPowers.spawn(tab.linkedBrowser, [], async function () {
+    await new Promise(resolve => {
+      let worker = new content.Worker("file_workerNetInfo.js");
+
+      worker.onmessage = function (e) {
+        if (e.data.type == "status") {
+          ok(e.data.status, e.data.msg);
+        } else if (e.data.type == "finish") {
+          resolve();
+        } else {
+          ok(false, "Unknown message type");
+          resolve();
+        }
+      };
+      worker.postMessage({ type: "runTests" });
+    });
+  });
+
+  BrowserTestUtils.removeTab(tab);
+}
+
+add_task(async function runTest() {
+  await SpecialPowers.pushPrefEnv({
+    set: [
+      ["privacy.resistFingerprinting", true],
+      ["dom.netinfo.enabled", true],
+    ],
+  });
+
+  await testWindow();
+  await testWorker();
+});