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Add tests into internal/crypto/random.js to improve coverage #17555

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Leko wants to merge 4 commits into from
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Add tests into internal/crypto/random.js to improve coverage #17555

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512f34f
test: add test case where call randomFill with argument cb is not a f…
Leko Dec 8, 2017
16b4677
test: test: add test case where call randomBytes with cb is not a fun…
Leko Dec 8, 2017
c1ffcfb
test: update test to check various invalid callback types
Leko Dec 9, 2017
ded1097
test: Move crypto.randomBytes test to inside the new forEach loop
Leko Dec 10, 2017
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20 changes: 20 additions & 0 deletions test/parallel/test-crypto-random.js
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Original file line number Diff line number Diff line change
Expand Up @@ -119,6 +119,17 @@ process.setMaxListeners(256);
assert.notStrictEqual(before, after);
}

{
const buf = Buffer.alloc(10);
common.expectsError(
() => crypto.randomFill(buf, 0, 10, null),
{
code: 'ERR_INVALID_CALLBACK',
type: TypeError,
message: 'Callback must be a function',
});
}

{
const buf = Buffer.alloc(10);
const before = buf.toString('hex');
Expand Down Expand Up @@ -487,6 +498,15 @@ common.expectsError(
}
);

common.expectsError(
() => crypto.randomBytes(1, null),
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@apapirovski apapirovski Dec 9, 2017

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Could this also be put inside the forEach loop? Or have a new forEach loop around it? Then we're good to go. :)

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@Leko Leko Dec 10, 2017 •
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I moved it to inside the new forEach loop to omit undefined in test case.

function randomBytes(size, cb) {
  assertSize(size);
  Iif (cb !== undefined && typeof cb !== 'function') // <- undefined is omitted
    throw new errors.TypeError('ERR_INVALID_CALLBACK');

{
code: 'ERR_INVALID_CALLBACK',
type: TypeError,
message: 'Callback must be a function',
}
);

[1, true, NaN, null, undefined, {}, []].forEach((i) => {
common.expectsError(
() => crypto.randomFillSync(i),
Expand Down