open-features-non-integer-width.html (3568B)
1 <!DOCTYPE html> 2 <meta charset="utf-8"> 3 <title>HTML: window.open `features`: non-integer values for feature `width`</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 = `top=0,left=0,height=401,`; 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 = `${featuresPrefix}width=0`; 25 var prefixedMessage = new PrefixedMessageTest(); 26 prefixedMessage.onMessage((data, e) => { 27 e.source.close(); 28 runWindowTests(data); 29 }); 30 var win = window.open(prefixedMessage.url(windowURL), '', featureString); 31 }); 32 33 function runWindowTests (baselineDimensions) { 34 35 // The absence of the sizing feature should have the same behavior 36 // as that feature set to 0 37 [ featuresPrefix, 38 'top=0,left=0', 39 ].forEach(feature => { 40 async_test(t => { 41 var prefixedMessage = new PrefixedMessageTest(); 42 prefixedMessage.onMessage(t.step_func_done((data, e) => { 43 e.source.close(); 44 assert_equals(data.width, baselineDimensions.width); 45 })); 46 var win = window.open(prefixedMessage.url(windowURL) + '&expected_innerWidth=' + baselineDimensions.width, '', feature); 47 }, `${feature}: absence of feature "width" should be treated same as "width=0"`); 48 }); 49 50 // When code point in first position is not an ASCII digit, "+" or "-", 51 // that's an error and the value becomes 0 52 [ 'width=/404', 53 'width=_404', 54 'width=L404' 55 ].forEach(feature => { 56 async_test(t => { 57 var prefixedMessage = new PrefixedMessageTest(); 58 var featureString = `${featuresPrefix}${feature}`; 59 prefixedMessage.onMessage(t.step_func_done((data, e) => { 60 e.source.close(); 61 assert_equals(data.width, baselineDimensions.width, `"${feature} begins with an invalid character and should be ignored"`); 62 })); 63 var win = window.open(prefixedMessage.url(windowURL) + '&expected_innerWidth=' + baselineDimensions.width, '', featureString); 64 }, `features "${feature}" should NOT set "width=404"`); 65 }); 66 67 // Codepoints that are valid ASCII digits should be collected 68 // Non-ASCII digits and subsequent code points are ignored 69 [ 'width=405.5', 70 'width=405.32', 71 'width=405LLl', 72 'width=405^4', 73 'width=405*3', 74 'width=405/5', 75 'width=405 ', 76 'width=405e1', 77 'width=405e-1' 78 ].forEach(feature => { 79 async_test(t => { 80 var prefixedMessage = new PrefixedMessageTest(); 81 var featureString = `${featuresPrefix}${feature}`; 82 prefixedMessage.onMessage(t.step_func_done((data, e) => { 83 e.source.close(); 84 assert_equals(data.width, 405, `"${featureString} value after first non-digit will be ignored"`); 85 })); 86 var win = window.open(prefixedMessage.url(windowURL) + "&expected_innerWidth=405", '', featureString); 87 }, `features "${feature}" should set "width=405"`); 88 }); 89 } 90 91 </script>