browser_fail_uncaught_rejection_expected_multi.js (348B)
1 // The test will fail because an expected uncaught rejection is actually caught. 2 const { PromiseTestUtils } = ChromeUtils.importESModule( 3 "resource://testing-common/PromiseTestUtils.sys.mjs" 4 ); 5 PromiseTestUtils.expectUncaughtRejection(/Promise rejection./); 6 7 function test() { 8 Promise.reject(new Error("Promise rejection.")).catch(() => {}); 9 }