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const { test } = Deno;
import { assertEquals, assertThrows } from "../testing/asserts.ts";
import { delay } from "../util/async.ts";
import { signal } from "./mod.ts";
if (Deno.build.os !== "win") {
test("signal() throws when called with empty signals", (): void => {
assertThrows(
() => {
// @ts-ignore
signal();
},
Error,
"No signals are given. You need to specify at least one signal to create a signal stream."
);
});
test("signal() iterates for multiple signals", async (): Promise<void> => {
// This prevents the program from exiting.
const t = setInterval(() => {}, 1000);
let c = 0;
const sig = signal(
Deno.Signal.SIGUSR1,
Deno.Signal.SIGUSR2,
Deno.Signal.SIGINT
);
setTimeout(async () => {
await delay(20);
Deno.kill(Deno.pid, Deno.Signal.SIGINT);
await delay(20);
Deno.kill(Deno.pid, Deno.Signal.SIGUSR2);
await delay(20);
Deno.kill(Deno.pid, Deno.Signal.SIGUSR1);
await delay(20);
Deno.kill(Deno.pid, Deno.Signal.SIGUSR2);
await delay(20);
Deno.kill(Deno.pid, Deno.Signal.SIGUSR1);
await delay(20);
Deno.kill(Deno.pid, Deno.Signal.SIGINT);
await delay(20);
sig.dispose();
});
for await (const _ of sig) {
c += 1;
}
assertEquals(c, 6);
clearTimeout(t);
});
}
|
