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'use strict';
const common = require('../common');
const assert = require('assert');
if (!common.hasCrypto) {
common.skip('missing crypto');
return;
}
const crypto = require('crypto');
assert.strictEqual(
crypto.timingSafeEqual(Buffer.from('foo'), Buffer.from('foo')),
true,
'should consider equal strings to be equal'
);
assert.strictEqual(
crypto.timingSafeEqual(Buffer.from('foo'), Buffer.from('bar')),
false,
'should consider unequal strings to be unequal'
);
assert.throws(function() {
crypto.timingSafeEqual(Buffer.from([1, 2, 3]), Buffer.from([1, 2]));
}, /^TypeError: Input buffers must have the same length$/,
'should throw when given buffers with different lengths');
assert.throws(function() {
crypto.timingSafeEqual('not a buffer', Buffer.from([1, 2]));
}, /^TypeError: First argument must be a buffer$/,
'should throw if the first argument is not a buffer');
assert.throws(function() {
crypto.timingSafeEqual(Buffer.from([1, 2]), 'not a buffer');
}, /^TypeError: Second argument must be a buffer$/,
'should throw if the second argument is not a buffer');
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