<!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>
