open-features-negative-top-left.html

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This WPT test may be referenced by the following Test IDs:
- /html/browsers/the-window-object/open-close/open-features-negative-top-left.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<meta charset="utf-8">

<title>HTML: window.open `features`: negative values for `top`, `left`</title>

<meta name=timeout content=long>

<link rel="help" href="https://html.spec.whatwg.org/multipage/#apis-for-creating-and-navigating-browsing-contexts-by-name">

<!-- user agents are not required to support open features other than `noopener`

     and on some platforms position and size features don't make sense -->

<meta name="flags" content="may" />

<script src="/resources/testharness.js"></script>

<script src="/resources/testharnessreport.js"></script>

<script src="/common/PrefixedPostMessage.js"></script>

<script>

var featuresPrefix = `width=401,height=404,`;

var windowURL = 'resources/message-opener.html';

// https://html.spec.whatwg.org/multipage/infrastructure.html#rules-for-parsing-integers

setup (() => {

  // Before running tests, open a window using features that mimic

  // what would happen if the feature tested here were set to 0

  // for comparison later.

  var featureString = `${featuresPrefix}top=0,left=0`;

  var prefixedMessage = new PrefixedMessageTest();

  prefixedMessage.onMessage((data, e) => {

    e.source.close();

    runWindowTests(data);

});

  var win = window.open(prefixedMessage.url(windowURL), '', featureString);

});

function runWindowTests (baselineDimensions) {

  // Negative values for `top`, `left` should be interpreted as 0

  [ 'top=-204',

    'top=-204.5',

    'top=-0'

  ].forEach(feature => {

    async_test(t => {

      var prefixedMessage = new PrefixedMessageTest();

      var featureString = `${featuresPrefix}left=0,${feature}`;

      prefixedMessage.onMessage(t.step_func_done((data, e) => {

        e.source.close();

        assert_equals(data.top, baselineDimensions.top, `"${feature} is negative and should be set to 0"`);

      }));

      var win = window.open(prefixedMessage.url(windowURL) + '&expected_screenY=' + baselineDimensions.top, '', featureString);

    }, `features "${feature}" should NOT set "top=204"`);

});

// Negative values for `top`, `left` should be interpreted as 0

  [ 'left=-204',

    'left=-204.5',

    'left=-0'

  ].forEach(feature => {

    async_test(t => {

      var prefixedMessage = new PrefixedMessageTest();

      var featureString = `${featuresPrefix}top=0,${feature}`;

      prefixedMessage.onMessage(t.step_func_done((data, e) => {

        e.source.close();

        assert_equals(data.left, baselineDimensions.left, `"${feature} is negative and should be set to 0"`);

      }));

      var win = window.open(prefixedMessage.url(windowURL) + '&expected_screenX=' + baselineDimensions.left, '', featureString);

    }, `features "${feature}" should NOT set "left=204"`);

});

</script>