async-svg-read-write.tentative.https.html

<!doctype html>
<meta charset="utf-8">
<title>
  Async Clipboard write ([image/svg+xml ClipboardItem]) -> read and write svg tests
</title>
<link rel="help" href="https://w3c.github.io/clipboard-apis/#async-clipboard-api">
<body>Body needed for test_driver.click()</body>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/resources/testdriver.js"></script>
<script src="/resources/testdriver-vendor.js"></script>
<script src="resources/user-activation.js"></script>
<script>
'use strict';
// This function removes extra spaces between tags in svg. For example, the
// following svg: "<svg> <g> </g>     </svg>" would turn into this
//           svg: "<svg> <g> </g> </svg>"
// We remove the extra spaces because in svg they are considered equivalent,
// but when we are comparing for equality the spaces make a difference.
function reformatSvg(svgString) {
  return svgString.replace(/\>\s*\</g, '> <');
}

async function readWriteTest(textInput) {
  await test_driver.set_permission({name: 'clipboard-read'}, 'granted');
  await test_driver.set_permission({name: 'clipboard-write'}, 'granted');
  const blobInput = new Blob([textInput.input], {type: 'image/svg+xml'});
  const clipboardItem = new ClipboardItem({'image/svg+xml': blobInput});
  await waitForUserActivation();
  await navigator.clipboard.write([clipboardItem]);
  await waitForUserActivation();
  const clipboardItems =
      await navigator.clipboard.read({type: 'image/svg+xml'});

  const svg = clipboardItems[0];
  assert_equals(svg.types.length, 1);
  assert_equals(svg.types[0], 'image/svg+xml');

  const blobOutput = await svg.getType('image/svg+xml');
  assert_equals(blobOutput.type, 'image/svg+xml');

  const blobText = await (new Response(blobOutput)).text();
  const outputSvg = reformatSvg(blobText);
  if ("expected" in textInput) {
    assert_equals(outputSvg, reformatSvg(textInput.expected));
  } else {
    assert_equals(outputSvg, reformatSvg(textInput.input));
  }
}
const testCases = [
  { input: '<svg></svg>' },
  { input: '<svg> <circle cx="50" cy="50" r="40"/> </svg>',
    expected: '<svg> <circle cx="50" cy="50" r="40"> </circle> </svg>' },
  { input: '<svg> <script>const a = 5;\<\/script> <a href="javascript:alert(2)"> test </a> </svg>',
    expected: '<svg> <a> test </a> </svg>' },
  { input: '<svg> <style>.foo {fill: green;}</style>' +
            '<circle class=\"foo\" cx=\"50\" cy=\"50\" r=\"40\" /> </svg>',
    // The extra style attributes is due to read-time sanitization.
    // We would like to improve the expectation but need a better sanitizer first.
    expected: '<svg style=\"color: rgb(0, 0, 0); font-size: medium;' +
              ' font-style: normal; font-variant-ligatures: normal;' +
              ' font-variant-caps: normal; font-weight: 400;' +
              ' letter-spacing: normal; orphans: 2; text-align: start;' +
              ' text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px;' +
              ' -webkit-text-stroke-width: 0px; white-space: normal;' +
              ' text-decoration-thickness: initial; text-decoration-style: initial;' +
              ' text-decoration-color: initial;\"> <circle class=\"foo\" cx=\"50\"' +
              ' cy=\"50\" r=\"40\"> </circle> </svg>' },
];

promise_test(async t => {
  for (const testCase of testCases) {
    await readWriteTest(testCase);
  }
}, 'Verify read and write of some image/svg+xml content');
</script>
chromium/third_party/blink/web_tests/external/wpt/clipboard-apis/async-svg-read-write.tentative.https.html
