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test: improve known_issues/test-vm-timeout-escape-queuemicrotask #25503

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test: improve known_issues/test-vm-timeout-escape-queuemicrotask #25503

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test: improve known_issues/test-vm-timeout-escape-queuemicrotask 
Improve known_issues/test-vm-timeout-escape-queuemicrotask to mitigate
CI failures on ubuntu1604-arm64. Failures are due to a race condition.
Use `common.platformTimeout()` to help, adjust timeout to make sure
`queueMicrotasks()` has a chance to run, and improve error message.
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@Trott
Trott committed Jan 14, 2019
commit ea51df362f284d592f6e4df356527c0d3fd103e0
11 changes: 7 additions & 4 deletions test/known_issues/test-vm-timeout-escape-queuemicrotask.js
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Original file line number Diff line number Diff line change
Expand Up @@ -12,14 +12,17 @@ const NS_PER_MS = 1000000n;

const hrtime = process.hrtime.bigint;

const loopDuration = common.platformTimeout(100n);
const timeout = common.platformTimeout(10);

function loop() {
const start = hrtime();
while (1) {
const current = hrtime();
const span = (current - start) / NS_PER_MS;
if (span >= 100n) {
if (span >= loopDuration) {
throw new Error(
`escaped timeout at ${span} milliseconds!`);
`escaped ${timeout}ms timeout at ${span}ms`);
}
}
}
Expand All @@ -32,9 +35,9 @@ assert.throws(() => {
queueMicrotask,
loop
},
{ timeout: common.platformTimeout(5) }
{ timeout }
);
}, {
code: 'ERR_SCRIPT_EXECUTION_TIMEOUT',
message: 'Script execution timed out after 5ms'
message: `Script execution timed out after ${timeout}ms`
});