chromium/src/third_party/blink/web_tests/external/wpt/css/css-fonts/variations/font-weight-matching.html - manifest_repos/chromium_src - Git at Google

 <!DOCTYPE html>
 <html>
 <head>
     <title>Testing new font-matching algorithm for font-weight values introduced in CSS Fonts level 4</title>
     <link rel="help" href="https://www.w3.org/TR/css-fonts-4/#font-matching-algorithm" />
     <script src="/resources/testharness.js"></script>
     <script src="/resources/testharnessreport.js"></script>
     <style>

         .testcase {
             float:left;
             margin: 5px;
             font-size:48pt;
             font-feature-settings: "kern" 1;
             color: rgba(0,0,0,0.5);
             background: linear-gradient(to left, lime 0%, lime 91px, red 91px);
         }

         @font-face {
             font-family: fontMatch;
             src: local('CSSTest Weights 900'), url('./resources/csstest-weights-900-kerned.ttf');
             font-weight: 100;
         }

         @font-face {
             font-family: fontMatch;
             src: local('CSSTest Weights 800'), url('./resources/csstest-weights-800-kerned.ttf');
             font-weight: 250;
         }

         @font-face {
             font-family: fontMatch;
             src: local('CSSTest Weights 700'), url('./resources/csstest-weights-700-kerned.ttf');
             font-weight: 400;
         }

         @font-face {
             font-family: fontMatch;
             src: local('CSSTest Weights 600'), url('./resources/csstest-weights-600-kerned.ttf');
             font-weight: 450;
         }

         @font-face {
             font-family: fontMatch;
             src: local('CSSTest Weights 300'), url('./resources/csstest-weights-300-kerned.ttf');
             font-weight: 500;
         }

         @font-face {
             font-family: fontMatch;
             src: local('CSSTest Weights 200'), url('./resources/csstest-weights-200-kerned.ttf');
             font-weight: 750;
         }

         @font-face {
             font-family: fontMatch;
             src: local('CSSTest Weights 100'), url('./resources/csstest-weights-100-kerned.ttf');
             font-weight: 900;
         }

     </style>
 </head>
 <body>

     <span style="position: absolute; top: -100vh;">
         <span style="font-family: fontMatch; font-weight: 100;">A</span>
         <span style="font-family: fontMatch; font-weight: 250;">A</span>
         <span style="font-family: fontMatch; font-weight: 400;">A</span>
         <span style="font-family: fontMatch; font-weight: 450;">A</span>
         <span style="font-family: fontMatch; font-weight: 500;">A</span>
         <span style="font-family: fontMatch; font-weight: 750;">A</span>
         <span style="font-family: fontMatch; font-weight: 900;">A</span>
     </span>

     <div id="testcases" style="overflow: hidden">
         <!--
             These testcases work using the new kerned CSSTest Weights fonts.
             The letter A and its corresponding numeric digit kern as one character.
         -->
         <div class="testcase" style="font-family:'CSSTest Weights W2569'; font-weight: 375;">
             A2
         </div>
     </div>

     <script>

         var testFontFaceMatch = [
             { weight:  99, expectedFont: "CSSTest Weights 900" },
             { weight: 100, expectedFont: "CSSTest Weights 900" },
             { weight: 249, expectedFont: "CSSTest Weights 900" },
             { weight: 250, expectedFont: "CSSTest Weights 800" },
             { weight: 399, expectedFont: "CSSTest Weights 800" },
             { weight: 400, expectedFont: "CSSTest Weights 700" },
             { weight: 420, expectedFont: "CSSTest Weights 600" },
             { weight: 470, expectedFont: "CSSTest Weights 300" },
             { weight: 500, expectedFont: "CSSTest Weights 300" },
             { weight: 600, expectedFont: "CSSTest Weights 200" },
             { weight: 750, expectedFont: "CSSTest Weights 200" },
             { weight: 751, expectedFont: "CSSTest Weights 100" },
             { weight: 900, expectedFont: "CSSTest Weights 100" },
             { weight:1000, expectedFont: "CSSTest Weights 100" },
         ];

         // wait for the fonts to load
         // -- this should not be necessary if the fonts are installed as required
         // -- but if they are not, the test is otherwise unstable
         var once_fonts_are_ready = (document.fonts ? document.fonts.ready : new Promise(function(ready) { window.onload = time => [...document.querySelectorAll('body > span:nth-child(1) > span')].every(e => e.offsetWidth > 20) ? ready() : requestAnimationFrame(window.onload) }));

         var testcases = document.querySelector("#testcases");
         var testcaseTemplate = document.querySelector('.testcase'); testcaseTemplate.remove();
         testFontFaceMatch.forEach(function(element) {

             var testcase = testcaseTemplate.cloneNode(true);

             // setup the test case style
             testcase.style.fontFamily = 'fontMatch';
             testcase.style.fontWeight = element.weight;

             // create the assertion
             var assertText = 'A' + /\d/.exec(element.expectedFont)[0];
             testcase.textContent = assertText;

             // append the testcase
             testcases.appendChild(testcase);

             // verify the testcase
             promise_test(
                 assert => once_fonts_are_ready.then(assert => { assert_approx_equals(testcase.getBoundingClientRect().width, 90, 2, "@font-face should be mapped to " + element.expectedFont + "."); }),
                 "Test @font-face matching for weight " + element.weight
             );
         });

     </script>
 </body>
 </html>
	<!DOCTYPE html>
	<html>
	<head>
	<title>Testing new font-matching algorithm for font-weight values introduced in CSS Fonts level 4</title>
	<link rel="help" href="https://www.w3.org/TR/css-fonts-4/#font-matching-algorithm" />
	<script src="/resources/testharness.js"></script>
	<script src="/resources/testharnessreport.js"></script>
	<style>

	.testcase {
	float:left;
	margin: 5px;
	font-size:48pt;
	font-feature-settings: "kern" 1;
	color: rgba(0,0,0,0.5);
	background: linear-gradient(to left, lime 0%, lime 91px, red 91px);
	}

	@font-face {
	font-family: fontMatch;
	src: local('CSSTest Weights 900'), url('./resources/csstest-weights-900-kerned.ttf');
	font-weight: 100;
	}

	@font-face {
	font-family: fontMatch;
	src: local('CSSTest Weights 800'), url('./resources/csstest-weights-800-kerned.ttf');
	font-weight: 250;
	}

	@font-face {
	font-family: fontMatch;
	src: local('CSSTest Weights 700'), url('./resources/csstest-weights-700-kerned.ttf');
	font-weight: 400;
	}

	@font-face {
	font-family: fontMatch;
	src: local('CSSTest Weights 600'), url('./resources/csstest-weights-600-kerned.ttf');
	font-weight: 450;
	}

	@font-face {
	font-family: fontMatch;
	src: local('CSSTest Weights 300'), url('./resources/csstest-weights-300-kerned.ttf');
	font-weight: 500;
	}

	@font-face {
	font-family: fontMatch;
	src: local('CSSTest Weights 200'), url('./resources/csstest-weights-200-kerned.ttf');
	font-weight: 750;
	}

	@font-face {
	font-family: fontMatch;
	src: local('CSSTest Weights 100'), url('./resources/csstest-weights-100-kerned.ttf');
	font-weight: 900;
	}

	</style>
	</head>
	<body>

	<span style="position: absolute; top: -100vh;">
	<span style="font-family: fontMatch; font-weight: 100;">A</span>
	<span style="font-family: fontMatch; font-weight: 250;">A</span>
	<span style="font-family: fontMatch; font-weight: 400;">A</span>
	<span style="font-family: fontMatch; font-weight: 450;">A</span>
	<span style="font-family: fontMatch; font-weight: 500;">A</span>
	<span style="font-family: fontMatch; font-weight: 750;">A</span>
	<span style="font-family: fontMatch; font-weight: 900;">A</span>
	</span>

	<div id="testcases" style="overflow: hidden">
	<!--
	These testcases work using the new kerned CSSTest Weights fonts.
	The letter A and its corresponding numeric digit kern as one character.
	-->
	<div class="testcase" style="font-family:'CSSTest Weights W2569'; font-weight: 375;">
	A2
	</div>
	</div>

	<script>

	var testFontFaceMatch = [
	{ weight: 99, expectedFont: "CSSTest Weights 900" },
	{ weight: 100, expectedFont: "CSSTest Weights 900" },
	{ weight: 249, expectedFont: "CSSTest Weights 900" },
	{ weight: 250, expectedFont: "CSSTest Weights 800" },
	{ weight: 399, expectedFont: "CSSTest Weights 800" },
	{ weight: 400, expectedFont: "CSSTest Weights 700" },
	{ weight: 420, expectedFont: "CSSTest Weights 600" },
	{ weight: 470, expectedFont: "CSSTest Weights 300" },
	{ weight: 500, expectedFont: "CSSTest Weights 300" },
	{ weight: 600, expectedFont: "CSSTest Weights 200" },
	{ weight: 750, expectedFont: "CSSTest Weights 200" },
	{ weight: 751, expectedFont: "CSSTest Weights 100" },
	{ weight: 900, expectedFont: "CSSTest Weights 100" },
	{ weight:1000, expectedFont: "CSSTest Weights 100" },
	];

	// wait for the fonts to load
	// -- this should not be necessary if the fonts are installed as required
	// -- but if they are not, the test is otherwise unstable
	var once_fonts_are_ready = (document.fonts ? document.fonts.ready : new Promise(function(ready) { window.onload = time => [...document.querySelectorAll('body > span:nth-child(1) > span')].every(e => e.offsetWidth > 20) ? ready() : requestAnimationFrame(window.onload) }));

	var testcases = document.querySelector("#testcases");
	var testcaseTemplate = document.querySelector('.testcase'); testcaseTemplate.remove();
	testFontFaceMatch.forEach(function(element) {

	var testcase = testcaseTemplate.cloneNode(true);

	// setup the test case style
	testcase.style.fontFamily = 'fontMatch';
	testcase.style.fontWeight = element.weight;

	// create the assertion
	var assertText = 'A' + /\d/.exec(element.expectedFont)[0];
	testcase.textContent = assertText;

	// append the testcase
	testcases.appendChild(testcase);

	// verify the testcase
	promise_test(
	assert => once_fonts_are_ready.then(assert => { assert_approx_equals(testcase.getBoundingClientRect().width, 90, 2, "@font-face should be mapped to " + element.expectedFont + "."); }),
	"Test @font-face matching for weight " + element.weight
	);
	});

	</script>
	</body>
	</html>