fs write leak

src/test/js/leak/fs-leak3.js

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+/*
+ * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+var path = require('path');
+var fs = require('fs');
+
+var tmpDir = require("../../../../test/common.js").tmpDir;
+var filename = path.join(tmpDir, 'fs-leak3.txt');
+var content = 'hello worldçoié\uD83D\uDC4D\n';
+
+if(process.argv[2] === '-large') {
+    print('building large content...');
+    for (var i = 0; i < 1024 * 1024; i++) {
+        content += 'hello worldçoié\uD83D\uDC4D\n';
+    }
+    print('done building content');
+}
+
+process.on('exit', function() {
+    fs.unlinkSync(filename);
+})
+
+var perf = require("../perf/common-perf");
+perf.startPerf(writeFile);
+
+function writeFile() {
+    perf.actionStart();
+    var fd = fs.openSync(filename, 'w+');
+    var buff = new Buffer(content);
+    fs.write(fd, buff, 0, buff.length, 0, then);
+    
+    function then(er) {
+        fs.close(fd);
+        if (perf.canContinue()) {
+            writeFile();
+        }
+    }
+}