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/* Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/ */
"use strict";
// Test that warning messages emitted when taking a screenshot are displayed in the UI.
const TEST_URL = `http://example.net/document-builder.sjs?html=
<style>
body {
margin: 0;
height: 10001px;
}
</style>Hello world`;
addRDMTask(
TEST_URL,
async function ({ ui, browser, manager }) {
const { toolWindow } = ui;
const { document } = toolWindow;
info(
"Set a big viewport and high dpr so the screenshot dpr gets downsized"
);
// The viewport can't be bigger than 9999×9999
await setViewportSize(ui, manager, 9999, 9999);
const dpr = 3;
await selectDevicePixelRatio(ui, dpr);
await waitForDevicePixelRatio(ui, dpr);
info("Click the screenshot button");
const onScreenshotDownloaded = waitUntilScreenshot();
const screenshotButton = document.getElementById("screenshot-button");
screenshotButton.click();
const filePath = await onScreenshotDownloaded;
ok(filePath, "The screenshot was taken");
info(
"Check that a warning message was displayed to indicate the dpr was changed"
);
const box = gBrowser.getNotificationBox(browser);
await waitUntil(() => box.currentNotification);
const notificationEl = box.currentNotification;
ok(notificationEl, "Notification should be visible");
is(
notificationEl.messageText.textContent.trim(),
"The device pixel ratio was reduced to 1 as the resulting image was too large",
"The expected warning was displayed"
);
//Remove the downloaded screenshot file
await IOUtils.remove(filePath);
await resetDownloads();
},
{ waitForDeviceList: true }
);
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