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// Copyright Joyent, Inc. and other Node contributors.
//
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// persons to whom the Software is furnished to do so, subject to the
// following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
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'use strict';
require('../common');
const assert = require('assert');
// The default behavior, return an Array "tuple" of numbers
const tuple = process.hrtime();
// Validate the default behavior
validateTuple(tuple);
// Validate that passing an existing tuple returns another valid tuple
validateTuple(process.hrtime(tuple));
// Test that only an Array may be passed to process.hrtime()
assert.throws(() => {
process.hrtime(1);
}, {
code: 'ERR_INVALID_ARG_TYPE',
name: 'TypeError',
message: 'The "time" argument must be an instance of Array. Received type ' +
'number (1)'
});
assert.throws(() => {
process.hrtime([]);
}, {
code: 'ERR_OUT_OF_RANGE',
name: 'RangeError',
message: 'The value of "time" is out of range. It must be 2. Received 0'
});
assert.throws(() => {
process.hrtime([1]);
}, {
code: 'ERR_OUT_OF_RANGE',
name: 'RangeError',
message: 'The value of "time" is out of range. It must be 2. Received 1'
});
assert.throws(() => {
process.hrtime([1, 2, 3]);
}, {
code: 'ERR_OUT_OF_RANGE',
name: 'RangeError',
message: 'The value of "time" is out of range. It must be 2. Received 3'
});
function validateTuple(tuple) {
assert(Array.isArray(tuple));
assert.strictEqual(tuple.length, 2);
assert(Number.isInteger(tuple[0]));
assert(Number.isInteger(tuple[1]));
}
const diff = process.hrtime([0, 1e9 - 1]);
assert(diff[1] >= 0); // https://github.com/nodejs/node/issues/4751
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