wrap-enumerated-ascii-case-insensitive.html (2634B)
1 <!DOCTYPE html> 2 <meta charset="utf-8"> 3 <link rel="help" href="https://html.spec.whatwg.org/#attr-textarea-wrap"> 4 <link rel="help" href="https://html.spec.whatwg.org/#enumerated-attribute"> 5 <meta name="assert" content="textarea@wrap values are ASCII case-insensitive"> 6 <script src="/resources/testharness.js"></script> 7 <script src="/resources/testharnessreport.js"></script> 8 <form target="child" method="GET" action="wrap-enumerated-ascii-case-insensitive-child.html"> 9 <textarea name="a" wrap="hard" cols="7">hello world</textarea> 10 <textarea name="b" wrap="HaRd" cols="7">hello world</textarea> 11 <textarea name="c" wrap="soft" cols="7">hello world</textarea> 12 <textarea name="d" wrap="SoFt" cols="7">hello world</textarea> 13 <textarea name="e" wrap="ſoft" cols="7">hello world</textarea> 14 </form> 15 <iframe name="child"></iframe> 16 <script> 17 // #dom-textarea-wrap reflects the content attribute, but it isn’t a nullable 18 // DOMString, nor is it #limited-to-only-known-values, so we can’t just take 19 // the shortcut of asserting the IDL attribute like most other attributes 20 async_test(function() { 21 // we use a message rather than the iframe’s load event to avoid dealing with 22 // spurious load events that some browsers dispatch on the initial about:blank 23 addEventListener("message", this.step_func_done(event => { 24 const params = new URL(event.data).searchParams; 25 26 // #textarea-wrapping-transformation says that a UA-defined algorithm wraps 27 // values by inserting CRLF pairs, so "hello \r\nworld" and "hello w\r\norld" 28 // are two of many valid outcomes for cols=7 29 assert_true(params.get("a").includes("\r\n"), "lowercase “hard” valid"); 30 assert_true(params.get("b").includes("\r\n"), "mixed case “hard” valid"); 31 assert_false(params.get("c").includes("\r\n"), "lowercase “soft” valid"); 32 33 // vacuous: the invalid value default is currently soft, so even if the UA 34 // treats this as invalid, the observable behaviour would still be correct 35 assert_false(params.get("d").includes("\r\n"), "mixed case “soft” valid"); 36 37 // vacuous: the invalid value default is currently soft, so even if the UA 38 // treats this as valid, the observable behaviour would still be correct 39 assert_false(params.get("e").includes("\r\n"), "non-ASCII “soft” invalid"); 40 })); 41 42 // we submit the form in GET mode to observe the values [#concept-fe-value] of 43 // the textareas, because IDL gives us the API value [#concept-fe-api-value], 44 // which isn’t subject to hard wrapping [#textarea-wrapping-transformation] 45 document.querySelector("form").submit(); 46 }, "keywords"); 47 </script>