Fix dd command tests for Windows

test/common.js

@@ -52,6 +52,17 @@ exports.indirectInstanceOf = function(obj, cls) {
 };
 
 
+exports.ddCommand = function(filename, kilobytes) {
+  if (process.platform == 'win32') {
+    return 'fsutil.exe file createnew "' + filename + '" ' + (kilobytes * 1024);
+  } else {
+    var blocks = Integer(size / 1024);
+    return 'dd if=/dev/zero of="' + filename + '" bs=1024 count=' + kilobytes;
+  }
+};
+
+
+
 // Turn this off if the test should not check for global leaks.
 exports.globalCheck = true;
 

test/simple/test-http-curl-chunk-problem.js

@@ -55,11 +55,13 @@ function maybeMakeRequest() {
 }
 
 
-cp.exec('dd if=/dev/zero of="' + filename + '" bs=1024 count=10240',
-        function(err, stdout, stderr) {
-          if (err) throw err;
-          maybeMakeRequest();
-        });
+var ddcmd = common.ddCommand(filename, 10240);
+console.log("dd command: ", ddcmd);
+
+cp.exec(ddcmd, function(err, stdout, stderr) {
+  if (err) throw err;
+  maybeMakeRequest();
+});
 
 
 var server = http.createServer(function(req, res) {

test/simple/test-pipe-file-to-http.js

@@ -58,7 +58,9 @@ var server = http.createServer(function(req, res) {
 server.listen(common.PORT);
 
 server.on('listening', function() {
-  var cmd = 'dd if=/dev/zero of="' + filename + '" bs=1024 count=10240';
+  var cmd = common.ddCommand(filename, 10240);
+  console.log("dd command: ", cmd);
+
   cp.exec(cmd, function(err, stdout, stderr) {
     if (err) throw err;
     makeRequest();