fix #19 Buffer.alloc()

Author: kawanet

int64-buffer.js

@@ -100,7 +100,7 @@ var Uint64BE, Int64BE, Uint64LE, Int64LE;
         raddix = offset;
         value = buffer;
         offset = 0;
-        buffer = new _storage(8);
+        buffer = (storage === BUFFER) ? BUFFER.alloc(8) : new _storage(8);
       }
 
       that.buffer = buffer;

test/test.js

@@ -271,8 +271,16 @@ function allTests(uint64Name, int64Name) {
     var highpos = LE ? 15 : 8;
     var lowpos = LE ? 8 : 15;
 
+    function alloc(size) {
+      // Buffer() is deprecated
+      if (StorageClass === BUFFER) return BUFFER.alloc(size);
+
+      // other than Buffer
+      return new StorageClass(size);
+    }
+
     itSkip(className + "(" + storageName + ",offset)", function() {
-      var buffer = new StorageClass(24);
+      var buffer = alloc(24);
       var raw = buffer;
       if (isArrayBuffer(buffer)) buffer = (raw = new Uint8Array(buffer)).buffer;
       for (var i = 0; i < 24; i++) {
@@ -299,7 +307,7 @@ function allTests(uint64Name, int64Name) {
     });
 
     itSkip(className + "(" + storageName + ",offset,number)", function() {
-      var buffer = new StorageClass(24);
+      var buffer = alloc(24);
       var val = new Int64Class(buffer, 8, 1234567890);
       assert.equal(val.toNumber(), 1234567890);
       assert.equal(val.toString(), "1234567890");
@@ -310,7 +318,7 @@ function allTests(uint64Name, int64Name) {
     });
 
     itSkip(className + "(" + storageName + ",offset,high,low)", function() {
-      var buffer = new StorageClass(24);
+      var buffer = alloc(24);
       var val = new Int64Class(buffer, 8, 0x12345678, 0x90abcdef);
       assert.equal(val.toString(16), "1234567890abcdef");
       if (isArrayBuffer(buffer)) buffer = new Uint8Array(buffer);
@@ -319,7 +327,7 @@ function allTests(uint64Name, int64Name) {
     });
 
     itSkip(className + "(" + storageName + ",offset,string,raddix)", function() {
-      var buffer = new StorageClass(24);
+      var buffer = alloc(24);
       var val = new Int64Class(buffer, 8, "1234567890", 16);
       assert.equal(val.toNumber(), 0x1234567890);
       assert.equal(val.toString(16), "1234567890");
@@ -330,7 +338,7 @@ function allTests(uint64Name, int64Name) {
     });
 
     itSkip(className + "(" + storageName + ",offset,array,offset)", function() {
-      var buffer = new StorageClass(16);
+      var buffer = alloc(16);
       var src = LE ? [].concat(POSB, NEGB) : [].concat(NEGB, POSB);
       var val = Int64Class(buffer, 8, src, 4);
       assert.equal(val.toString(16), "7654321012345678");