// META: global=window
// META: script=/resources/testdriver.js
// META: script=/resources/testdriver-vendor.js
"use strict";

promise_test(async testCase => {
  assert_equals(typeof self.getScreens, "function");
}, "self.getScreens is present");

promise_test(async testCase => {
  await test_driver.set_permission({name: "window-placement"}, "granted");
  const screens = await self.getScreens();
  assert_greater_than(screens.length, 0);

  assert_equals(typeof screens[0].availWidth, "number");
  assert_equals(typeof screens[0].availHeight, "number");
  assert_equals(typeof screens[0].width, "number");
  assert_equals(typeof screens[0].height, "number");
  assert_equals(typeof screens[0].colorDepth, "number");
  assert_equals(typeof screens[0].pixelDepth, "number");

  assert_equals(typeof screens[0].availLeft, "number");
  assert_equals(typeof screens[0].availTop, "number");
  assert_equals(typeof screens[0].left, "number");
  assert_equals(typeof screens[0].top, "number");
  assert_equals(typeof screens[0].orientation, "object");

  assert_equals(typeof screens[0].primary, "boolean");
  assert_equals(typeof screens[0].internal, "boolean");
  assert_equals(typeof screens[0].scaleFactor, "number");
  assert_equals(typeof screens[0].id, "string");
  assert_equals(typeof screens[0].touchSupport, "boolean");
}, "self.getScreens returns at least 1 Screen with permission granted");

promise_test(async testCase => {
  await test_driver.set_permission({name: 'window-placement'}, 'denied');
  const screens = await self.getScreens();
  assert_equals(screens.length, 0);
}, 'self.getScreens returns no Screen objects with permission denied');