open-features-negative-screenx-screeny.html (2708B)
1 <!DOCTYPE html> 2 <meta charset="utf-8"> 3 <title>HTML: window.open `features`: negative values for legacy `screenx`, `screeny`</title> 4 <meta name=timeout content=long> 5 <link rel="help" href="https://html.spec.whatwg.org/multipage/#apis-for-creating-and-navigating-browsing-contexts-by-name"> 6 7 <!-- user agents are not required to support open features other than `noopener` 8 and on some platforms position and size features don't make sense --> 9 <meta name="flags" content="may" /> 10 11 <script src="/resources/testharness.js"></script> 12 <script src="/resources/testharnessreport.js"></script> 13 <script src="/common/PrefixedPostMessage.js"></script> 14 <script> 15 var featuresPrefix = `width=401,height=404,`; 16 var windowURL = 'resources/message-opener.html'; 17 18 // https://html.spec.whatwg.org/multipage/infrastructure.html#rules-for-parsing-integers 19 20 setup (() => { 21 // Before running tests, open a window using features that mimic 22 // what would happen if the feature tested here were set to 0 23 // for comparison later. 24 var featureString = `${featuresPrefix}top=0,left=0`; 25 var prefixedMessage = new PrefixedMessageTest(); 26 prefixedMessage.onMessage((data, e) => { 27 e.source.close(); 28 runWindowTests(data); 29 }); 30 var win = window.open(prefixedMessage.url(windowURL), '', featureString); 31 }); 32 33 function runWindowTests (baselineDimensions) { 34 // Negative values should be interpreted as 0 35 [ 'screeny=-204', 36 'screeny=-204.5', 37 'screeny=-0' 38 ].forEach(feature => { 39 async_test(t => { 40 var prefixedMessage = new PrefixedMessageTest(); 41 var featureString = `${featuresPrefix}left=0,${feature}`; 42 prefixedMessage.onMessage(t.step_func_done((data, e) => { 43 e.source.close(); 44 assert_equals(data.top, baselineDimensions.top, `"${feature} is negative and should be set to 0"`); 45 })); 46 var win = window.open(prefixedMessage.url(windowURL) + '&expected_screenY=' + baselineDimensions.top, '', featureString); 47 }, `features "${feature}" should NOT set "top=204"`); 48 }); 49 50 // Negative values should be interpreted as 0 51 [ 'screenx=-204', 52 'screenx=-204.5', 53 'screenx=-0' 54 ].forEach(feature => { 55 async_test(t => { 56 var prefixedMessage = new PrefixedMessageTest(); 57 var featureString = `${featuresPrefix}top=0,${feature}`; 58 prefixedMessage.onMessage(t.step_func_done((data, e) => { 59 e.source.close(); 60 assert_equals(data.left, baselineDimensions.left, `"${feature} is negative and should be set to 0"`); 61 })); 62 var win = window.open(prefixedMessage.url(windowURL) + '&expected_screenX=' + baselineDimensions.left, '', featureString); 63 }, `features "${feature}" should NOT set "left=204"`); 64 }); 65 } 66 67 </script>