1 files changed, 90 insertions, 0 deletions
diff --git a/browser/components/originattributes/test/browser/browser_firstPartyIsolation_js_uri.js b/browser/components/originattributes/test/browser/browser_firstPartyIsolation_js_uri.js
new file mode 100644
index 0000000000..f60fc27de9
--- /dev/null
+++ b/browser/components/originattributes/test/browser/browser_firstPartyIsolation_js_uri.js
@@ -0,0 +1,90 @@
+add_setup(async function () {
+  Services.prefs.setBoolPref("privacy.firstparty.isolate", true);
+
+  registerCleanupFunction(function () {
+    Services.prefs.clearUserPref("privacy.firstparty.isolate");
+  });
+});
+
+add_task(async function test_remote_window_open_js_uri() {
+  let win = await BrowserTestUtils.openNewBrowserWindow({ remote: true });
+  let browser = win.gBrowser.selectedBrowser;
+
+  Assert.ok(browser.isRemoteBrowser, "should be a remote browser");
+
+  BrowserTestUtils.loadURIString(browser, `javascript:1;`);
+
+  await BrowserTestUtils.browserLoaded(browser);
+
+  await SpecialPowers.spawn(browser, [], async function () {
+    Assert.ok(true, "origin " + content.document.nodePrincipal.origin);
+
+    Assert.ok(
+      content.document.nodePrincipal.isNullPrincipal,
+      "The principal of remote javascript: should be a NullPrincipal."
+    );
+
+    let str = content.document.nodePrincipal.originNoSuffix;
+    let expectDomain =
+      str.substring("moz-nullprincipal:{".length, str.length - 1) + ".mozilla";
+    Assert.equal(
+      content.document.nodePrincipal.originAttributes.firstPartyDomain,
+      expectDomain,
+      "remote javascript: should have firstPartyDomain set to " + expectDomain
+    );
+  });
+
+  win.close();
+});
+
+add_task(async function test_remote_window_open_js_uri2() {
+  let win = await BrowserTestUtils.openNewBrowserWindow({ remote: true });
+  let browser = win.gBrowser.selectedBrowser;
+
+  Assert.ok(browser.isRemoteBrowser, "should be a remote browser");
+
+  BrowserTestUtils.loadURIString(
+    browser,
+    `javascript:
+    let iframe = document.createElement("iframe");
+    iframe.src = "http://example.com";
+    iframe.id = "iframe1";
+    document.body.appendChild(iframe);
+    void(0);
+ `
+  );
+
+  await BrowserTestUtils.browserLoaded(browser, true, function (url) {
+    info("URL:" + url);
+    return url == "http://example.com/";
+  });
+
+  await SpecialPowers.spawn(browser, [], async function () {
+    Assert.ok(true, "origin " + content.document.nodePrincipal.origin);
+
+    Assert.ok(
+      content.document.nodePrincipal.isNullPrincipal,
+      "The principal of remote javascript: should be a NullPrincipal."
+    );
+
+    let str = content.document.nodePrincipal.originNoSuffix;
+    let expectDomain =
+      str.substring("moz-nullprincipal:{".length, str.length - 1) + ".mozilla";
+    Assert.equal(
+      content.document.nodePrincipal.originAttributes.firstPartyDomain,
+      expectDomain,
+      "remote javascript: should have firstPartyDomain set to " + expectDomain
+    );
+
+    let iframe = content.document.getElementById("iframe1");
+    await SpecialPowers.spawn(iframe, [expectDomain], function (domain) {
+      Assert.equal(
+        content.document.nodePrincipal.originAttributes.firstPartyDomain,
+        domain,
+        "iframe should have firstPartyDomain set to " + domain
+      );
+    });
+  });
+
+  win.close();
+});