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test: improve coverage for process.umask
This ensures that process.umask() throws with the correct error when
invalid inputs are supplied.
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evanlucas committed Oct 13, 2017
commit f5e3cfe5f4107c31f06de069bf12af881d0b4612
8 changes: 8 additions & 0 deletions test/parallel/test-umask.js
Original file line number Diff line number Diff line change
Expand Up @@ -40,3 +40,11 @@ assert.strictEqual(parseInt(mask, 8), process.umask(old));
assert.strictEqual(old, process.umask());
// 2. If the test fails, process.umask() will return 0
assert.strictEqual(old, process.umask());

assert.throws(() => {
process.umask({});
}, /argument must be an integer or octal string/);

assert.throws(() => {
process.umask('123x');
}, /invalid octal string/);