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<!DOCTYPE HTML>
<html>
<!--
Test that rendering a dominator tree error is handled correctly.
-->
<head>
<meta charset="utf-8">
<title>Tree component test</title>
<script src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" type="text/css" href="chrome://mochikit/content/tests/SimpleTest/test.css">
</head>
<body>
<div id="container"></div>
<pre id="test">
<script src="head.js" type="application/javascript"></script>
<script type="application/javascript">
"use strict";
window.onload = async function() {
try {
ok(React, "Should get React");
ok(Heap, "Should get Heap");
const errorMessage = "Something went wrong!";
const container = document.getElementById("container");
const props = immutableUpdate(TEST_HEAP_PROPS, {
view: { state: viewState.DOMINATOR_TREE },
snapshot: immutableUpdate(TEST_HEAP_PROPS.snapshot, {
dominatorTree: {
error: new Error(errorMessage),
state: dominatorTreeState.ERROR,
},
}),
});
await renderComponent(Heap(props), container);
ok(container.querySelector(".error"), "Should render an error view");
ok(container.textContent.includes(errorMessage),
"Should see our error message");
} catch (e) {
ok(false, "Got an error: " + DevToolsUtils.safeErrorString(e));
} finally {
SimpleTest.finish();
}
};
</script>
</pre>
</body>
</html>
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