buffer: add .read*() and .write*() methods to SlowBuffer prototype

Fixes #2138.

lib/buffer.js

@@ -1119,3 +1119,32 @@ Buffer.prototype.writeDoubleLE = function(value, offset, noAssert) {
 Buffer.prototype.writeDoubleBE = function(value, offset, noAssert) {
   writeDouble(this, value, offset, true, noAssert);
 };
+
+SlowBuffer.prototype.readUInt8 = Buffer.prototype.readUInt8;
+SlowBuffer.prototype.readUInt16LE = Buffer.prototype.readUInt16LE;
+SlowBuffer.prototype.readUInt16BE = Buffer.prototype.readUInt16BE;
+SlowBuffer.prototype.readUInt32LE = Buffer.prototype.readUInt32LE;
+SlowBuffer.prototype.readUInt32BE = Buffer.prototype.readUInt32BE;
+SlowBuffer.prototype.readInt8 = Buffer.prototype.readInt8;
+SlowBuffer.prototype.readInt16LE = Buffer.prototype.readInt16LE;
+SlowBuffer.prototype.readInt16BE = Buffer.prototype.readInt16BE;
+SlowBuffer.prototype.readInt32LE = Buffer.prototype.readInt32LE;
+SlowBuffer.prototype.readInt32BE = Buffer.prototype.readInt32BE;
+SlowBuffer.prototype.readFloatLE = Buffer.prototype.readFloatLE;
+SlowBuffer.prototype.readFloatBE = Buffer.prototype.readFloatBE;
+SlowBuffer.prototype.readDoubleLE = Buffer.prototype.readDoubleLE;
+SlowBuffer.prototype.readDoubleBE = Buffer.prototype.readDoubleBE;
+SlowBuffer.prototype.writeUInt8 = Buffer.prototype.writeUInt8;
+SlowBuffer.prototype.writeUInt16LE = Buffer.prototype.writeUInt16LE;
+SlowBuffer.prototype.writeUInt16BE = Buffer.prototype.writeUInt16BE;
+SlowBuffer.prototype.writeUInt32LE = Buffer.prototype.writeUInt32LE;
+SlowBuffer.prototype.writeUInt32BE = Buffer.prototype.writeUInt32BE;
+SlowBuffer.prototype.writeInt8 = Buffer.prototype.writeInt8;
+SlowBuffer.prototype.writeInt16LE = Buffer.prototype.writeInt16LE;
+SlowBuffer.prototype.writeInt16BE = Buffer.prototype.writeInt16BE;
+SlowBuffer.prototype.writeInt32LE = Buffer.prototype.writeInt32LE;
+SlowBuffer.prototype.writeInt32BE = Buffer.prototype.writeInt32BE;
+SlowBuffer.prototype.writeFloatLE = Buffer.prototype.writeFloatLE;
+SlowBuffer.prototype.writeFloatBE = Buffer.prototype.writeFloatBE;
+SlowBuffer.prototype.writeDoubleLE = Buffer.prototype.writeDoubleLE;
+SlowBuffer.prototype.writeDoubleBE = Buffer.prototype.writeDoubleBE;

test/simple/test-readdouble.js

@@ -1,13 +1,14 @@
 /*
  * Tests to verify we're reading in doubles correctly
  */
+var SlowBuffer = process.binding('buffer').SlowBuffer;
 var ASSERT = require('assert');
 
 /*
  * Test (64 bit) double
  */
-function test() {
-  var buffer = new Buffer(8);
+function test(clazz) {
+  var buffer = new clazz(8);
 
   buffer[0] = 0x55;
   buffer[1] = 0x55;
@@ -104,4 +105,5 @@ function test() {
 }
 
 
-test();
+test(Buffer);
+test(SlowBuffer);

test/simple/test-readfloat.js

@@ -1,13 +1,14 @@
 /*
  * Tests to verify we're reading in floats correctly
  */
+var SlowBuffer = process.binding('buffer').SlowBuffer;
 var ASSERT = require('assert');
 
 /*
  * Test (32 bit) float
  */
-function test() {
-  var buffer = new Buffer(4);
+function test(clazz) {
+  var buffer = new clazz(4);
 
   buffer[0] = 0;
   buffer[1] = 0;
@@ -66,4 +67,5 @@ function test() {
 }
 
 
-test();
+test(Buffer);
+test(SlowBuffer);

test/simple/test-readint.js

@@ -1,13 +1,14 @@
 /*
  * Tests to verify we're reading in signed integers correctly
  */
+var SlowBuffer = process.binding('buffer').SlowBuffer;
 var ASSERT = require('assert');
 
 /*
  * Test 8 bit signed integers
  */
-function test8() {
-  var data = new Buffer(4);
+function test8(clazz) {
+  var data = new clazz(4);
 
   data[0] = 0x23;
   ASSERT.equal(0x23, data.readInt8(0));
@@ -26,8 +27,8 @@ function test8() {
 }
 
 
-function test16() {
-  var buffer = new Buffer(6);
+function test16(clazz) {
+  var buffer = new clazz(6);
 
   buffer[0] = 0x16;
   buffer[1] = 0x79;
@@ -59,8 +60,8 @@ function test16() {
 }
 
 
-function test32() {
-  var buffer = new Buffer(6);
+function test32(clazz) {
+  var buffer = new clazz(6);
 
   buffer[0] = 0x43;
   buffer[1] = 0x53;
@@ -91,6 +92,9 @@ function test32() {
 }
 
 
-test8();
-test16();
-test32();
+test8(Buffer);
+test8(SlowBuffer);
+test16(Buffer);
+test16(SlowBuffer);
+test32(Buffer);
+test32(SlowBuffer);

test/simple/test-readuint.js

@@ -2,6 +2,7 @@
  * A battery of tests to help us read a series of uints
  */
 
+var SlowBuffer = process.binding('buffer').SlowBuffer;
 var ASSERT = require('assert');
 
 /*
@@ -11,8 +12,8 @@ var ASSERT = require('assert');
  *  - Correctly using the offsets
  *  - Correctly interpreting values that are beyond the signed range as unsigned
  */
-function test8() {
-  var data = new Buffer(4);
+function test8(clazz) {
+  var data = new clazz(4);
 
   data[0] = 23;
   data[1] = 23;
@@ -36,8 +37,8 @@ function test8() {
  *  - Correctly using the offsets
  *  - Correctly interpreting values that are beyond the signed range as unsigned
  */
-function test16() {
-  var data = new Buffer(4);
+function test16(clazz) {
+  var data = new clazz(4);
 
   data[0] = 0;
   data[1] = 0x23;
@@ -64,8 +65,8 @@ function test16() {
  *  - Correctly using the offsets
  *  - Correctly interpreting values that are beyond the signed range as unsigned
  */
-function test32() {
-  var data = new Buffer(8);
+function test32(clazz) {
+  var data = new clazz(8);
 
   data[0] = 0x32;
   data[1] = 0x65;
@@ -82,6 +83,9 @@ function test32() {
 }
 
 
-test8();
-test16();
-test32();
+test8(Buffer);
+test8(SlowBuffer);
+test16(Buffer);
+test16(SlowBuffer);
+test32(Buffer);
+test32(SlowBuffer);

test/simple/test-writedouble.js

@@ -1,10 +1,11 @@
 /*
  * Tests to verify we're writing doubles correctly
  */
+var SlowBuffer = process.binding('buffer').SlowBuffer;
 var ASSERT = require('assert');
 
-function test() {
-  var buffer = new Buffer(16);
+function test(clazz) {
+  var buffer = new clazz(16);
 
   buffer.writeDoubleBE(2.225073858507201e-308, 0);
   buffer.writeDoubleLE(2.225073858507201e-308, 8);
@@ -103,4 +104,5 @@ function test() {
 }
 
 
-test();
+test(Buffer);
+test(SlowBuffer);

test/simple/test-writefloat.js

@@ -1,10 +1,11 @@
 /*
  * Tests to verify we're writing floats correctly
  */
+var SlowBuffer = process.binding('buffer').SlowBuffer;
 var ASSERT = require('assert');
 
-function test() {
-  var buffer = new Buffer(8);
+function test(clazz) {
+  var buffer = new clazz(8);
 
   buffer.writeFloatBE(1, 0);
   buffer.writeFloatLE(1, 4);
@@ -63,4 +64,5 @@ function test() {
 }
 
 
-test();
+test(Buffer);
+test(SlowBuffer);

test/simple/test-writeint.js

@@ -1,10 +1,11 @@
 /*
  * Tests to verify we're writing signed integers correctly
  */
+var SlowBuffer = process.binding('buffer').SlowBuffer;
 var ASSERT = require('assert');
 
-function test8() {
-  var buffer = new Buffer(2);
+function test8(clazz) {
+  var buffer = new clazz(2);
 
   buffer.writeInt8(0x23, 0);
   buffer.writeInt8(-5, 1);
@@ -35,8 +36,8 @@ function test8() {
 }
 
 
-function test16() {
-  var buffer = new Buffer(6);
+function test16(clazz) {
+  var buffer = new clazz(6);
 
   buffer.writeInt16BE(0x0023, 0);
   buffer.writeInt16LE(0x0023, 2);
@@ -88,8 +89,8 @@ function test16() {
 }
 
 
-function test32() {
-  var buffer = new Buffer(8);
+function test32(clazz) {
+  var buffer = new clazz(8);
 
   buffer.writeInt32BE(0x23, 0);
   buffer.writeInt32LE(0x23, 4);
@@ -161,6 +162,9 @@ function test32() {
 }
 
 
-test8();
-test16();
-test32();
+test8(Buffer);
+test8(SlowBuffer);
+test16(Buffer);
+test16(SlowBuffer);
+test32(Buffer);
+test32(SlowBuffer);

test/simple/test-writeuint.js

@@ -1,6 +1,7 @@
 /*
  * A battery of tests to help us read a series of uints
  */
+var SlowBuffer = process.binding('buffer').SlowBuffer;
 var ASSERT = require('assert');
 
 /*
@@ -10,8 +11,8 @@ var ASSERT = require('assert');
  *  - Correctly using the offsets
  *  - Correctly interpreting values that are beyond the signed range as unsigned
  */
-function test8() {
-  var data = new Buffer(4);
+function test8(clazz) {
+  var data = new clazz(4);
 
   data.writeUInt8(23, 0);
   data.writeUInt8(23, 1);
@@ -39,9 +40,9 @@ function test8() {
 }
 
 
-function test16() {
+function test16(clazz) {
   var value = 0x2343;
-  var data = new Buffer(4);
+  var data = new clazz(4);
 
   data.writeUInt16BE(value, 0);
   ASSERT.equal(0x23, data[0]);
@@ -78,8 +79,8 @@ function test16() {
 }
 
 
-function test32() {
-  var data = new Buffer(6);
+function test32(clazz) {
+  var data = new clazz(6);
   var value = 0xe7f90a6d;
 
   data.writeUInt32BE(value, 0);
@@ -120,6 +121,9 @@ function test32() {
 }
 
 
-test8();
-test16();
-test32();
+test8(Buffer);
+test8(SlowBuffer);
+test16(Buffer);
+test16(SlowBuffer);
+test32(Buffer);
+test32(SlowBuffer);