| // 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. |
| |
| |
| |
| |
| var common = require('../common'); |
| var assert = require('assert'); |
| var path = require('path'), |
| fs = require('fs'), |
| filepath = path.join(common.tmpDir, 'large.txt'), |
| fd = fs.openSync(filepath, 'w+'), |
| offset = 5 * 1024 * 1024 * 1024, // 5GB |
| message = 'Large File'; |
| |
| fs.truncateSync(fd, offset); |
| assert.equal(fs.statSync(filepath).size, offset); |
| var writeBuf = new Buffer(message); |
| fs.writeSync(fd, writeBuf, 0, writeBuf.length, offset); |
| var readBuf = new Buffer(writeBuf.length); |
| fs.readSync(fd, readBuf, 0, readBuf.length, offset); |
| assert.equal(readBuf.toString(), message); |
| fs.readSync(fd, readBuf, 0, 1, 0); |
| assert.equal(readBuf[0], 0); |
| |
| var exceptionRaised = false; |
| try { |
| fs.writeSync(fd, writeBuf, 0, writeBuf.length, 42.000001); |
| } catch (err) { |
| console.log(err); |
| exceptionRaised = true; |
| assert.equal(err.message, 'Not an integer'); |
| } |
| assert.ok(exceptionRaised); |
| fs.close(fd); |
| |
| process.on('exit', function() { |
| fs.unlinkSync(filepath); |
| }); |
| |