browser_print_scaling.js

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/* Any copyright is dedicated to the Public Domain.

   http://creativecommons.org/publicdomain/zero/1.0/ */

"use strict";

add_task(async function testInvalidScaleResetAfterDestinationChange() {

  const mockPrinterName = "Fake Printer";

  await PrintHelper.withTestPage(async helper => {

    helper.addMockPrinter(mockPrinterName);

    await helper.startPrint();

    let destinationPicker = helper.get("printer-picker");

    await helper.openMoreSettings();

    let scaleRadio = helper.get("percent-scale-choice");

    await helper.assertSettingsChanged(

      { shrinkToFit: true },

      { shrinkToFit: false },

      async () => {

        await helper.waitForPreview(() => helper.click(scaleRadio));

);

    let percentScale = helper.get("percent-scale");

    let scaleError = helper.get("error-invalid-scale");

    await helper.assertSettingsNotChanged({ scaling: 1 }, async () => {

      ok(scaleError.hidden, "Scale error is hidden");

      await helper.text(percentScale, "9");

      await BrowserTestUtils.waitForAttributeRemoval("hidden", scaleError);

      ok(!scaleError.hidden, "Scale error is showing");

});

    is(destinationPicker.disabled, false, "Destination picker is enabled");

    // Select a new printer

    await helper.dispatchSettingsChange({ printerName: mockPrinterName });

    await BrowserTestUtils.waitForCondition(

      () => scaleError.hidden,

      "Wait for scale error to be hidden"

);

    is(percentScale.value, "100", "Scale has reset to 100");

    await helper.closeDialog();

});

});