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import { it } from "bun:test";
it("process.nextTick", async () => {
// You can verify this test is correct by copy pasting this into a browser's console and checking it doesn't throw an error.
var run = 0;
var queueMicrotask = process.nextTick;
await new Promise((resolve, reject) => {
queueMicrotask(() => {
if (run++ != 0) {
reject(new Error("Microtask execution order is wrong: " + run));
}
queueMicrotask(() => {
if (run++ != 3) {
reject(new Error("Microtask execution order is wrong: " + run));
}
});
});
queueMicrotask(() => {
if (run++ != 1) {
reject(new Error("Microtask execution order is wrong: " + run));
}
queueMicrotask(() => {
if (run++ != 4) {
reject(new Error("Microtask execution order is wrong: " + run));
}
queueMicrotask(() => {
if (run++ != 6) {
reject(new Error("Microtask execution order is wrong: " + run));
}
});
});
});
queueMicrotask(() => {
if (run++ != 2) {
reject(new Error("Microtask execution order is wrong: " + run));
}
queueMicrotask(() => {
if (run++ != 5) {
reject(new Error("Microtask execution order is wrong: " + run));
}
queueMicrotask(() => {
if (run++ != 7) {
reject(new Error("Microtask execution order is wrong: " + run));
}
resolve(true);
});
});
});
});
{
var passed = false;
try {
queueMicrotask(1234);
} catch (exception) {
passed = exception instanceof TypeError;
}
if (!passed)
throw new Error(
"queueMicrotask should throw a TypeError if the argument is not a function"
);
}
{
var passed = false;
try {
queueMicrotask();
} catch (exception) {
passed = exception instanceof TypeError;
}
if (!passed)
throw new Error(
"queueMicrotask should throw a TypeError if the argument is empty"
);
}
await new Promise((resolve, reject) => {
process.nextTick(
(first, second) => {
if (first !== 12345 || second !== "hello")
reject(new Error("process.nextTick called with wrong arguments"));
resolve(true);
},
12345,
"hello"
);
});
});
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