re-enable BytesBuffer tests (added DataView IE8 implementation)

std/js/_std/haxe/io/Bytes.hx

@@ -21,6 +21,7 @@
  */
 package haxe.io;
 import js.html.compat.Uint8Array;
+import js.html.compat.DataView;
 
 @:coreApi
 class Bytes {

std/js/html/compat/ArrayBuffer.hx

@@ -25,7 +25,7 @@ package js.html.compat;
 class ArrayBuffer {
 
 	public var byteLength : Int;
-	var a : Array<Dynamic>;
+	var a : Array<Int>;
 	
 	public function new( ?a : Dynamic ) {
 		if( Std.is(a,Array) ) {

std/js/html/compat/DataView.hx

@@ -0,0 +1,144 @@
+/*
+ * Copyright (C)2005-2014 Haxe Foundation
+ *
+ * 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.
+ */
+package js.html.compat;
+import haxe.io.Error;
+
+@:keep
+@:access(js.html.compat.ArrayBuffer)
+class DataView {
+
+	var buf : ArrayBuffer;
+	var offset : Int;
+	var length : Int;
+
+	public function new( buffer : ArrayBuffer, ?byteOffset : Int, ?byteLength : Int ) : Void {
+		this.buf = buffer;
+		this.offset = byteOffset == null ? 0 : byteOffset;
+		this.length = byteLength == null ? buffer.byteLength - this.offset : byteLength;
+		if( offset < 0 || length < 0 || offset+length > buffer.byteLength )
+			throw OutsideBounds;
+	}
+
+	public function getInt8( byteOffset : Int ) : Int {
+		var v = buf.a[offset + byteOffset];
+		return v >= 0x80 ? v - 256 : v;
+	}
+
+	public function getUint8( byteOffset : Int ) : Int {
+		return buf.a[offset + byteOffset];
+	}
+
+	public function getInt16( byteOffset : Int, ?littleEndian : Bool ) : Int {
+		var v = getUint16(byteOffset, littleEndian);
+		return v >= 0x8000 ? v - 65536 : v;
+	}
+
+	public function getUint16( byteOffset : Int, ?littleEndian : Bool ) : Int {
+		return littleEndian ? buf.a[offset + byteOffset] | (buf.a[offset + byteOffset + 1] << 8) : (buf.a[offset + byteOffset]<<8) | buf.a[offset + byteOffset + 1];
+	}
+
+	public function getInt32( byteOffset : Int, ?littleEndian : Bool ) : Int {
+		var p = offset + byteOffset;
+		var a = buf.a[p++];
+		var b = buf.a[p++];
+		var c = buf.a[p++];
+		var d = buf.a[p++];
+		return littleEndian ? a | (b<<8) | (c<<16) | (d<<24) : d | (c << 8) | (b << 16) | (a << 24);
+	}
+
+	public function getUint32( byteOffset : Int, ?littleEndian : Bool ) : Int {
+		var v = getInt32(byteOffset, littleEndian);
+		return v < 0 ? cast (v + 4294967296.) : v;
+	}
+
+	public function getFloat32( byteOffset : Int, ?littleEndian : Bool ) : Float {
+		return haxe.io.FPHelper.i32ToFloat(getInt32(byteOffset,littleEndian));
+	}
+
+	public function getFloat64( byteOffset : Int, ?littleEndian : Bool ) : Float {
+		var a = getInt32(byteOffset, littleEndian);
+		var b = getInt32(byteOffset + 4, littleEndian);
+		return haxe.io.FPHelper.i64ToDouble(littleEndian?a:b,littleEndian?b:a);
+	}
+
+	public function setInt8( byteOffset : Int, value : Int ) : Void {
+		buf.a[byteOffset + offset] = (value < 0) ? (value + 128) & 0xFF : value & 0xFF;
+	}
+
+	public function setUint8( byteOffset : Int, value : Int ) : Void {
+		buf.a[byteOffset + offset] = value & 0xFF;
+	}
+
+	public function setInt16( byteOffset : Int, value : Int, ?littleEndian : Bool ) : Void {
+		setUint16(byteOffset, value < 0 ? value + 65536 : value, littleEndian);
+	}
+
+	public function setUint16( byteOffset : Int, value : Int, ?littleEndian : Bool ) : Void {
+		var p = byteOffset + offset;
+		if( littleEndian ) {
+			buf.a[p] = value&0xFF;
+			buf.a[p++] = (value>>8) & 0xFF;
+		} else {
+			buf.a[p++] = (value>>8) & 0xFF;
+			buf.a[p] = value&0xFF;
+		}
+	}
+
+	public function setInt32( byteOffset : Int, value : Int, ?littleEndian : Bool ) : Void {
+		setUint32(byteOffset, value, littleEndian);
+	}
+
+	public function setUint32( byteOffset : Int, value : Int, ?littleEndian : Bool ) : Void {
+		var p = byteOffset + offset;
+		if( littleEndian ) {
+			buf.a[p++] = value & 0xFF;
+			buf.a[p++] = (value>>8) & 0xFF;
+			buf.a[p++] = (value>>16) & 0xFF;
+			buf.a[p++] = value >>> 24;
+		} else {
+			buf.a[p++] = value >>> 24;
+			buf.a[p++] = (value>>16) & 0xFF;
+			buf.a[p++] = (value>>8) & 0xFF;
+			buf.a[p++] = value & 0xFF;
+		}
+	}
+
+	public function setFloat32( byteOffset : Int, value : Float, ?littleEndian : Bool ) : Void {
+		setUint32(byteOffset, haxe.io.FPHelper.floatToI32(value),littleEndian);
+	}
+
+	public function setFloat64( byteOffset : Int, value : Float, ?littleEndian : Bool ) : Void {
+		var i64 = haxe.io.FPHelper.doubleToI64(value);
+		if( littleEndian ) {
+			setUint32(byteOffset, i64.low);
+			setUint32(byteOffset, i64.high);
+		} else {
+			setUint32(byteOffset, i64.high);
+			setUint32(byteOffset, i64.low);
+		}
+	}
+
+	static function __init__() untyped {
+		var DataView = __js__('typeof(window) != "undefined" && window.DataView') || (__js__('typeof(global) != "undefined" && global.DataView')) || _new;
+	}
+
+}

tests/unit/src/unitstd/haxe/io/BytesBuffer.unit.hx

@@ -1,6 +1,4 @@
 
-if( !haxe.io.ArrayBufferView.EMULATED ) { // TODO : to reenable once we have html compat for IE8/DataView
-
 var out = new haxe.io.BytesBuffer();
 
 out.length == 0;
@@ -21,7 +19,6 @@ b.length == str.length;
 for( i in 0...str.length )
 	b.get(i) == str.charCodeAt(i);
 
-
 var out = new haxe.io.BytesBuffer();
 out.addInt32(0xABCDEF00);
 out.addByte(42);
@@ -45,5 +42,3 @@ b.get(5) == 102;
 b.get(9) == 51;
 b.get(17) == 0xD1;
 b.get(22) == 0xEF;
-
-}