reference-target-basics.html

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This test has a WPT meta file that expects 2 subtest issues.
This WPT test may be referenced by the following Test IDs:
- /shadow-dom/reference-target/tentative/reference-target-basics.html - WPT Dashboard Interop Dashboard

<!DOCTYPE HTML>

<html>

<head>

  <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>

</head>

<body>

<div id="host1">

  <template shadowrootmode="open"></template>

</div>

<div id="host2">

  <template shadowrootmode="open" shadowrootreferencetarget></template>

</div>

<div id="host3">

  <template shadowrootmode="open" shadowrootreferencetarget="targetID"></template>

</div>

<script>

test(() => {

  const shadow1 = document.querySelector("#host1").shadowRoot;

  assert_equals(shadow1.referenceTarget, null);

}, "ShadowRoot.referenceTarget defaults to null when shadow is created declaratively");

test(() => {

  const shadow2 = document.querySelector("#host2").shadowRoot;

  assert_equals(shadow2.referenceTarget, "");

}, "Empty shadowrootreferencetarget attribute is reflected as empty string");

test(() => {

  const shadow1 = document.querySelector("#host3").shadowRoot;

  assert_equals(shadow1.referenceTarget, "targetID");

}, "<template> shadowrootreferencetarget sets referenceTarget on shadow root");

test(() => {

  const host1 = document.createElement("div");

  const shadow1 = host1.attachShadow({"mode": "open"});

  assert_equals(shadow1.referenceTarget, null);

  const host2 = document.createElement("div");

  const shadow2 = host2.attachShadow({"mode": "open", "referenceTarget": null});

  assert_equals(shadow2.referenceTarget, null);

}, "ShadowRoot.referenceTarget defaults to null when shadow is created imperatively");

test(() => {

  const host3 = document.createElement("div");

  const shadow3 = host3.attachShadow({"mode": "open", "referenceTarget": ""});

  assert_equals(shadow3.referenceTarget, "");

}, "Passing empty string referencetarget in ShadowRootInit is reflected as empty string");

test(() => {

  const host1 = document.createElement("div");

  const shadow1 = host1.attachShadow({"mode": "open", "referenceTarget": "targetID"});

  assert_equals(shadow1.referenceTarget, "targetID");

  const host2 = document.createElement("div");

  const shadow2 = host2.attachShadow({"mode": "open", "referenceTarget": 42});

  assert_equals(shadow2.referenceTarget, "42");

  const host3 = document.createElement("div");

  const shadow3 = host3.attachShadow({"mode": "open", "referenceTarget": true});

  assert_equals(shadow3.referenceTarget, "true");

  const host4 = document.createElement("div");

  const shadow4 = host4.attachShadow({"mode": "open", "referenceTarget": {"foo": "bar"}});

  assert_equals(shadow4.referenceTarget, "[object Object]");

}, "ShadowRootInitDict can be used to set referenceTarget on shadow root");

</script>

</body>

</html>