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/* Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/ */
"use strict";
// Test for target switching.
const PAGE_ON_CHILD = "http://example.com/";
const PAGE_ON_MAIN = "about:robots";
const TEST_DPPX = 2;
add_task(async function () {
// Set a pref for DPPX in order to assert whether the RDM is working correctly or not.
await pushPref("devtools.responsive.viewport.pixelRatio", TEST_DPPX);
info("Open a page which runs on the child process");
const tab = await addTab(PAGE_ON_CHILD);
await assertDocshell(tab, false, 0);
info("Open RDM");
await openRDM(tab);
await assertDocshell(tab, true, TEST_DPPX);
info("Load a page which runs on the main process");
await navigateTo(PAGE_ON_MAIN);
await assertDocshell(tab, true, TEST_DPPX);
info("Close RDM");
await closeRDM(tab);
await assertDocshell(tab, false, 0);
await removeTab(tab);
});
async function assertDocshell(tab, expectedRDMMode, expectedDPPX) {
await asyncWaitUntil(async () => {
const { overrideDPPX, inRDMPane } = tab.linkedBrowser.browsingContext;
return inRDMPane === expectedRDMMode && overrideDPPX === expectedDPPX;
});
ok(true, "The state of the docshell is correct");
}
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