Files
2026-08-27 21:09:14 +00:00

30 lines
887 B
TypeScript

import { expect, test } from "bun:test";
// Regression test for ENG-24434
// jest.mock() with invalid arguments should throw TypeError, not crash
test("jest.mock() with non-string first argument should throw TypeError", () => {
const jestObj = Bun.jest(import.meta.path).jest;
// Passing the jest object itself as the first argument should throw
// a TypeError, not crash with stack-buffer-overflow
expect(() => {
jestObj.mock(jestObj);
}).toThrow(TypeError);
});
test("jest.mock() with object as first argument should throw TypeError", () => {
const jestObj = Bun.jest(import.meta.path).jest;
expect(() => {
jestObj.mock({});
}).toThrow(TypeError);
});
test("jest.mock() with missing callback should throw TypeError", () => {
const jestObj = Bun.jest(import.meta.path).jest;
expect(() => {
jestObj.mock("some-module");
}).toThrow(TypeError);
});