<!DOCTYPE html><!-- webkit-test-runner [ CSSTypedOMEnabled=true ] -->
<meta name="author" title="Justin Michaud" href="mailto:justin_michaud@webkit.org">
<meta name="assert" content="Test that the [SameObject] idl attribute is respected">
<script src="../resources/js-test-pre.js"></script>

<div id="el" style = "width: 150px; height: 10em; --my-prop: hello;"></div>

<script>
description("Tests that idl [SameObject] is specified.");
window.jsTestIsAsync = true;

function promiseChain(body, times) {
  let i = 0;
  return new Promise(function(resolve, reject) {
      handle = setInterval(function() {
          if (i >= times) {
            clearInterval(handle);
            resolve();
            return;
          }

          body();

          ++i;
      }, 10);
  });
}

function makeAlive() {
  el.attributeStyleMap.alive = true;
}

function isAlive() {
  return !!el.attributeStyleMap.alive;
}

function testAlive() {
  if (isAlive()) {
    testPassed("element is still alive");
  } else {
    testFailed("element is not alive");
  }
}

window.onload = function() {
  setTimeout(function() {
    makeAlive();
    testAlive()

    promiseChain(function() {
      gc();
      testAlive();
    }, 10).then(function () {
      finishJSTest();
    });
  }, 10);
}
</script>
<script src="../resources/js-test-post.js"></script>