failing test

packages/svelte/tests/runtime-legacy/samples/lifecycle-render-afterUpdate2/Child.svelte

@@ -0,0 +1,25 @@
+<script>
+	import { beforeUpdate, afterUpdate } from "svelte";
+	import { log } from './log.js';
+
+	export let a;
+	export let b;
+
+	beforeUpdate(() => {
+		log.push('before');
+	});
+
+	beforeUpdate(()=>{
+		log.push(`before ${a}, ${b}`);
+	});
+
+	afterUpdate(() => {
+		log.push('after');
+	});
+
+	afterUpdate(()=>{
+		log.push(`after ${a}, ${b}`);
+	});
+</script>
+
+<p>a: {a}</p>

packages/svelte/tests/runtime-legacy/samples/lifecycle-render-afterUpdate2/_config.js

@@ -0,0 +1,45 @@
+import { flushSync } from 'svelte';
+import { log } from './log.js';
+import { test, ok } from '../../test';
+
+export default test({
+	before_test: () => {
+		log.length = 0;
+	},
+
+	test({ assert, target }) {
+		const [button1, button2] = target.querySelectorAll('button');
+		ok(button1);
+		ok(button2);
+
+		button1.click();
+		flushSync();
+
+		button2.click();
+		flushSync();
+
+		assert.deepEqual(log, [
+			'before',
+			'before 0, 0',
+			'after',
+			'after 0, 0',
+			'before',
+			'before 1, 0',
+			'after',
+			'after 1, 0',
+			'before',
+			'before 1, 1',
+			'after',
+			'after 1, 1'
+		]);
+
+		assert.htmlEqual(
+			target.innerHTML,
+			`
+				<button>a: 1</button>
+				<button>b: 2</button>
+				<p>a: 1</p>
+			`
+		);
+	}
+});

packages/svelte/tests/runtime-legacy/samples/lifecycle-render-afterUpdate2/log.js

@@ -0,0 +1,2 @@
+/** @type {string[]} */
+export const log = [];

packages/svelte/tests/runtime-legacy/samples/lifecycle-render-afterUpdate2/main.svelte

@@ -0,0 +1,10 @@
+<script>
+	import Child from "./Child.svelte";
+
+	let a = 0;
+	let b = 0;
+</script>
+
+<button on:click={() => a += 1}>a: {a}</button>
+<button on:click={() => b += 1}>b: {b}</button>
+<Child {a} {b}/>