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buffers: fix intermittent out of bounds error
The base64 decoder would intermittently throw an out-of-bounds exception when the buffer in `buf.write('', 'base64')` was a zero-sized buffer located at the end of the slab. Fixes #2657.
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// Copyright Joyent, Inc. and other Node contributors. | ||
// | ||
// Permission is hereby granted, free of charge, to any person obtaining a | ||
// copy of this software and associated documentation files (the | ||
// "Software"), to deal in the Software without restriction, including | ||
// without limitation the rights to use, copy, modify, merge, publish, | ||
// distribute, sublicense, and/or sell copies of the Software, and to permit | ||
// 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, | ||
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR | ||
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE | ||
// USE OR OTHER DEALINGS IN THE SOFTWARE. | ||
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var common = require('../common'); | ||
var assert = require('assert'); | ||
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// This is not a great test. It depends on a Node internal, namely the slab | ||
// size. Maybe we should expose that in some way. Then again, maybe not... | ||
for (var n = 1; n <= 8192; ++n) { | ||
Buffer(n); | ||
Buffer(0).write('', 'base64'); | ||
} |