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