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46 lines
1.4 KiB
JavaScript
46 lines
1.4 KiB
JavaScript
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// The sanitizers must ignore any ops, resources or timers that are
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// "replaced" at the top level with a thing of the same kind.
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// An async IIFE that throws off timers every 10ms
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(async () => {
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while (true) {
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await new Promise((r) => setTimeout(r, 10));
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}
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})();
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// An HTTP server that resolves an op for every request
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const { promise, resolve } = Promise.withResolvers();
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const server = Deno.serve({
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port: 0,
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onListen: ({ port }) => resolve(port),
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handler: () => new Response("ok"),
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});
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const port = await promise;
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// A TCP listener loop
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const listener = Deno.listen({ port: 0 });
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const conn1 = await Deno.connect({ port: listener.addr.port });
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const conn2 = await listener.accept();
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// Note: we need to ensure that these read/write ops are balanced at the top-level to avoid triggering
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// the sanitizer, so we use two async IIFEs.
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(async () => {
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// This will write without blocking for a bit but eventually will start writing async
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// once the tokio coop kicks in or the buffers fill up.
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while (true) {
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await conn1.write(new Uint8Array(1024));
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}
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})();
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(async () => {
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while (true) {
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await conn2.read(new Uint8Array(10 * 1024));
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}
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})();
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Deno.test(async function waits() {
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// Trigger the server to restart its op
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await (await fetch(`http://127.0.0.1:${port}/`)).text();
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// Let the IIFEs run for a bit
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await new Promise((r) => setTimeout(r, 100));
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});
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