<!DOCTYPE HTML>
<html>
<!--
Test that we show a throbber while computing and fetching dominator trees,
but not in other dominator tree states.
-->
<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 {
             const container = document.getElementById("container");

             for (const state of [dominatorTreeState.COMPUTING, dominatorTreeState.FETCHING]) {
               await renderComponent(Heap(immutableUpdate(TEST_HEAP_PROPS, {
                 view: { state: viewState.DOMINATOR_TREE },
                 snapshot: immutableUpdate(TEST_HEAP_PROPS.snapshot, {
                   dominatorTree: immutableUpdate(TEST_HEAP_PROPS.snapshot.dominatorTree, {
                     state,
                     root: null,
                     dominatorTreeId: state === dominatorTreeState.FETCHING ? 1 : null,
                   }),
                 }),
               })), container);

               ok(container.querySelector(".devtools-throbber"),
                  `Should show a throbber for state = ${state}`);
             }

             for (
              const state of [
               dominatorTreeState.LOADED, dominatorTreeState.INCREMENTAL_FETCHING,
              ]) {
               await renderComponent(Heap(immutableUpdate(TEST_HEAP_PROPS, {
                 view: { state: viewState.DOMINATOR_TREE },
                 snapshot: immutableUpdate(TEST_HEAP_PROPS.snapshot, {
                   dominatorTree: immutableUpdate(TEST_HEAP_PROPS.snapshot.dominatorTree, {
                     state,
                     activeFetchRequestCount:
                      state === dominatorTreeState.INCREMENTAL_FETCHING ? 1 : undefined,
                   }),
                 }),
               })), container);

               ok(!container.querySelector(".devtools-throbber"),
                  `Should not show a throbber for state = ${state}`);
             }

             await renderComponent(Heap(immutableUpdate(TEST_HEAP_PROPS, {
               view: { state: viewState.DOMINATOR_TREE },
               snapshot: immutableUpdate(TEST_HEAP_PROPS.snapshot, {
                 dominatorTree: {
                   state: dominatorTreeState.ERROR,
                   error: new Error("example error for testing"),
                 },
               }),
             })), container);

             ok(!container.querySelector(".devtools-throbber"),
                `Should not show a throbber for ERROR state`);
           } catch (e) {
             ok(false, "Got an error: " + DevToolsUtils.safeErrorString(e));
           } finally {
             SimpleTest.finish();
           }
         };
        </script>
    </pre>
</body>
</html>
