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test: replace assert.throws w/ common.expectsError #23454

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test: replace assert.throws w/ common.expectsError #23454

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f83141c
test: replace assert.throws w/ common.expectsError
aeisenberg Oct 12, 2018
1ce56a1
test: extract expected value to constant
aeisenberg Oct 13, 2018
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52 changes: 42 additions & 10 deletions test/parallel/test-buffer-alloc.js
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Original file line number Diff line number Diff line change
Expand Up @@ -804,20 +804,52 @@ assert.strictEqual(Buffer.from('13.37').length, 5);
Buffer.from(Buffer.allocUnsafe(0), 0, 0);

// issue GH-5587
assert.throws(() => Buffer.alloc(8).writeFloatLE(0, 5), RangeError);
assert.throws(() => Buffer.alloc(16).writeDoubleLE(0, 9), RangeError);
common.expectsError(
() => Buffer.alloc(8).writeFloatLE(0, 5),
{
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code: 'ERR_OUT_OF_RANGE',
type: RangeError
}
);
common.expectsError(
() => Buffer.alloc(16).writeDoubleLE(0, 9),
{
code: 'ERR_OUT_OF_RANGE',
type: RangeError
}
);

// attempt to overflow buffers, similar to previous bug in array buffers
assert.throws(() => Buffer.allocUnsafe(8).writeFloatLE(0.0, 0xffffffff),
RangeError);
assert.throws(() => Buffer.allocUnsafe(8).writeFloatLE(0.0, 0xffffffff),
RangeError);

common.expectsError(
() => Buffer.allocUnsafe(8).writeFloatLE(0.0, 0xffffffff),
{
code: 'ERR_OUT_OF_RANGE',
type: RangeError
}
);
common.expectsError(
() => Buffer.allocUnsafe(8).writeFloatLE(0.0, 0xffffffff),
{
code: 'ERR_OUT_OF_RANGE',
type: RangeError
}
);

// ensure negative values can't get past offset
assert.throws(() => Buffer.allocUnsafe(8).writeFloatLE(0.0, -1), RangeError);
assert.throws(() => Buffer.allocUnsafe(8).writeFloatLE(0.0, -1), RangeError);

common.expectsError(
() => Buffer.allocUnsafe(8).writeFloatLE(0.0, -1),
{
code: 'ERR_OUT_OF_RANGE',
type: RangeError
}
);
common.expectsError(
() => Buffer.allocUnsafe(8).writeFloatLE(0.0, -1),
{
code: 'ERR_OUT_OF_RANGE',
type: RangeError
}
);

// test for common write(U)IntLE/BE
{
Expand Down