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test: testing noAssert in Buffer.write()
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larissayvette committed Jan 26, 2017
1 parent 2685464 commit 1c69e01
Showing 1 changed file with 48 additions and 0 deletions.
48 changes: 48 additions & 0 deletions test/parallel/test-buffer-write-noassert.js
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'use strict';
require('../common');
const assert = require('assert');

// testing buffer write functions

function write(funx, args, result, res) {
{
const buf = Buffer.alloc(9);
assert.strictEqual(buf[funx](...args), result);
assert.deepStrictEqual(buf, res);
}

{
const invalidArgs = Array.from(args);
invalidArgs[1] = -1;
assert.throws(
() => Buffer.alloc(9)[funx](...invalidArgs),
/^RangeError: (?:Index )?out of range(?: index)?$/
);
}

{
const buf2 = Buffer.alloc(9);
assert.strictEqual(buf2[funx](...args, true), result);
assert.deepStrictEqual(buf2, res);
}

}

write('writeInt8', [1, 0], 1, Buffer.from([1, 0, 0, 0, 0, 0, 0, 0, 0]));
write('writeIntBE', [1, 1, 4], 5, Buffer.from([0, 0, 0, 0, 1, 0, 0, 0, 0]));
write('writeIntLE', [1, 1, 4], 5, Buffer.from([0, 1, 0, 0, 0, 0, 0, 0, 0]));
write('writeInt16LE', [1, 1], 3, Buffer.from([0, 1, 0, 0, 0, 0, 0, 0, 0]));
write('writeInt16BE', [1, 1], 3, Buffer.from([0, 0, 1, 0, 0, 0, 0, 0, 0]));
write('writeInt32LE', [1, 1], 5, Buffer.from([0, 1, 0, 0, 0, 0, 0, 0, 0]));
write('writeInt32BE', [1, 1], 5, Buffer.from([0, 0, 0, 0, 1, 0, 0, 0, 0]));
write('writeUInt8', [1, 0], 1, Buffer.from([1, 0, 0, 0, 0, 0, 0, 0, 0]));
write('writeUIntLE', [1, 1, 4], 5, Buffer.from([0, 1, 0, 0, 0, 0, 0, 0, 0]));
write('writeUIntBE', [1, 1, 4], 5, Buffer.from([0, 0, 0, 0, 1, 0, 0, 0, 0]));
write('writeUInt16LE', [1, 1], 3, Buffer.from([0, 1, 0, 0, 0, 0, 0, 0, 0]));
write('writeUInt16BE', [1, 1], 3, Buffer.from([0, 0, 1, 0, 0, 0, 0, 0, 0]));
write('writeUInt32LE', [1, 1], 5, Buffer.from([0, 1, 0, 0, 0, 0, 0, 0, 0]));
write('writeUInt32BE', [1, 1], 5, Buffer.from([0, 0, 0, 0, 1, 0, 0, 0, 0]));
write('writeDoubleBE', [1, 1], 9, Buffer.from([0, 63, 240, 0, 0, 0, 0, 0, 0]));
write('writeDoubleLE', [1, 1], 9, Buffer.from([0, 0, 0, 0, 0, 0, 0, 240, 63]));
write('writeFloatBE', [1, 1], 5, Buffer.from([0, 63, 128, 0, 0, 0, 0, 0, 0]));
write('writeFloatLE', [1, 1], 5, Buffer.from([0, 0, 0, 128, 63, 0, 0, 0, 0]));

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