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11 changes: 11 additions & 0 deletions test/parallel/test-process-beforeexit.js
Original file line number Diff line number Diff line change
Expand Up @@ -49,12 +49,23 @@ function tryListen() {
// Test that a function invoked from the beforeExit handler can use a timer
// to keep the event loop open, which can use another timer to keep the event
// loop open, etc.
//
// After N times, call function tryNextTick to test behaviors of process.nextTick
function tryRepeatedTimer() {
const N = 5;
let n = 0;
const repeatedTimer = common.mustCall(function() {
if (++n < N)
setTimeout(repeatedTimer, 1);
else // n == N
process.once('beforeExit', common.mustCall(tryNextTick));
}, N);
setTimeout(repeatedTimer, 1);
}

// Test if the callback of process.nextTick can be invoked
function tryNextTick() {
process.nextTick(common.mustCall(function() {
process.once('beforeExit', common.mustNotCall());
}));
}