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-rw-r--r--docshell/test/browser/browser_ua_emulation.js71
1 files changed, 71 insertions, 0 deletions
diff --git a/docshell/test/browser/browser_ua_emulation.js b/docshell/test/browser/browser_ua_emulation.js
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+++ b/docshell/test/browser/browser_ua_emulation.js
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+/* Any copyright is dedicated to the Public Domain.
+ http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+const URL = "data:text/html;charset=utf-8,<iframe id='test-iframe'></iframe>";
+
+// Test that the docShell UA emulation works
+async function contentTaskNoOverride() {
+ let docshell = docShell;
+ is(
+ docshell.browsingContext.customUserAgent,
+ "",
+ "There should initially be no customUserAgent"
+ );
+}
+
+async function contentTaskOverride() {
+ let docshell = docShell;
+ is(
+ docshell.browsingContext.customUserAgent,
+ "foo",
+ "The user agent should be changed to foo"
+ );
+
+ is(
+ content.navigator.userAgent,
+ "foo",
+ "The user agent should be changed to foo"
+ );
+
+ let frameWin = content.document.querySelector("#test-iframe").contentWindow;
+ is(
+ frameWin.navigator.userAgent,
+ "foo",
+ "The UA should be passed on to frames."
+ );
+
+ let newFrame = content.document.createElement("iframe");
+ content.document.body.appendChild(newFrame);
+
+ let newFrameWin = newFrame.contentWindow;
+ is(
+ newFrameWin.navigator.userAgent,
+ "foo",
+ "Newly created frames should use the new UA"
+ );
+
+ newFrameWin.location.reload();
+ await ContentTaskUtils.waitForEvent(newFrame, "load");
+
+ is(
+ newFrameWin.navigator.userAgent,
+ "foo",
+ "New UA should persist across reloads"
+ );
+}
+
+add_task(async function () {
+ await BrowserTestUtils.withNewTab(
+ { gBrowser, url: URL },
+ async function (browser) {
+ await SpecialPowers.spawn(browser, [], contentTaskNoOverride);
+
+ let browsingContext = BrowserTestUtils.getBrowsingContextFrom(browser);
+ browsingContext.customUserAgent = "foo";
+
+ await SpecialPowers.spawn(browser, [], contentTaskOverride);
+ }
+ );
+});