Fix fs can't handle large file on 64bit platform

fs.read() and fs.write() can't handle more than 2GB files on 64bit platform.
Also fs.truncate() can't handle more than 4GB files.

Fixes #1199.
Fixes #1094.

1 files changed, 55 insertions, 0 deletions

diff --git a/test/disabled/test-fs-largefile.js b/test/disabled/test-fs-largefile.js
new file mode 100644
index 0000000000..83e5879249
--- /dev/null
+++ b/test/disabled/test-fs-largefile.js
@@ -0,0 +1,55 @@
+// 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.unlink(filepath);
+});
+