prototype, Builtins::kIllegal, true);
}
}
+
+ if (FLAG_harmony_typed_arrays) {
+ { // -- A r r a y B u f f e r
+ Handle<JSObject> prototype =
+ factory()->NewJSObject(isolate()->object_function(), TENURED);
+ InstallFunction(global, "__ArrayBuffer", JS_ARRAY_BUFFER_TYPE,
+ JSArrayBuffer::kSize, prototype,
+ Builtins::kIllegal, true);
+ }
+ }
}
"native object-observe.js") == 0) {
if (!CompileExperimentalBuiltin(isolate(), i)) return false;
}
+ if (FLAG_harmony_typed_arrays &&
+ strcmp(ExperimentalNatives::GetScriptName(i).start(),
+ "native typedarray.js") == 0) {
+ if (!CompileExperimentalBuiltin(isolate(), i)) return false;
+ }
}
InstallExperimentalNativeFunctions();
"enable harmony collections (sets, maps, and weak maps)")
DEFINE_bool(harmony_observation, false,
"enable harmony object observation (implies harmony collections")
+DEFINE_bool(harmony_typed_arrays, false,
+ "enable harmony typed arrays")
DEFINE_bool(harmony, false, "enable all harmony features (except typeof)")
DEFINE_implication(harmony, harmony_scoping)
DEFINE_implication(harmony, harmony_modules)
DEFINE_implication(harmony, harmony_observation)
DEFINE_implication(harmony_modules, harmony_scoping)
DEFINE_implication(harmony_observation, harmony_collections)
+DEFINE_implication(harmony, harmony_typed_arrays)
// Flags for experimental implementation features.
DEFINE_bool(packed_arrays, true, "optimizes arrays that have no holes")
macro IS_SCRIPT(arg) = (%_ClassOf(arg) === 'Script');
macro IS_ARGUMENTS(arg) = (%_ClassOf(arg) === 'Arguments');
macro IS_GLOBAL(arg) = (%_ClassOf(arg) === 'global');
+macro IS_ARRAYBUFFER(arg) = (%_ClassOf(arg) === '__ArrayBuffer');
macro IS_UNDETECTABLE(arg) = (%_IsUndetectableObject(arg));
macro FLOOR(arg) = $floor(arg);
macro NUMBER_IS_NAN(arg) = (!%_IsSmi(%IS_VAR(arg)) && !(arg == arg));
macro NUMBER_IS_FINITE(arg) = (%_IsSmi(%IS_VAR(arg)) || ((arg == arg) && (arg != 1/0) && (arg != -1/0)));
macro TO_INTEGER(arg) = (%_IsSmi(%IS_VAR(arg)) ? arg : %NumberToInteger(ToNumber(arg)));
+macro TO_POSITIVE_INTEGER(arg) = (%_IsSmi(%IS_VAR(arg)) ? (arg > 0 ? arg : 0) : %NumberToPositiveInteger(ToNumber(arg)));
macro TO_INTEGER_MAP_MINUS_ZERO(arg) = (%_IsSmi(%IS_VAR(arg)) ? arg : %NumberToIntegerMapMinusZero(ToNumber(arg)));
macro TO_INT32(arg) = (%_IsSmi(%IS_VAR(arg)) ? arg : (arg >> 0));
macro TO_UINT32(arg) = (arg >>> 0);
observe_notify_non_notifier: ["notify called on non-notifier object"],
// RangeError
invalid_array_length: ["Invalid array length"],
+ invalid_array_buffer_length: ["Invalid array buffer length"],
stack_overflow: ["Maximum call stack size exceeded"],
invalid_time_value: ["Invalid time value"],
// SyntaxError
case JS_MESSAGE_OBJECT_TYPE:
JSMessageObject::cast(this)->JSMessageObjectVerify();
break;
+ case JS_ARRAY_BUFFER_TYPE:
+ JSArrayBuffer::cast(this)->JSArrayBufferVerify();
+ break;
#define MAKE_STRUCT_CASE(NAME, Name, name) \
case NAME##_TYPE: \
VerifyPointer(construct_trap());
}
+void JSArrayBuffer::JSArrayBufferVerify() {
+ CHECK(IsJSArrayBuffer());
+ JSObjectVerify();
+ VerifyPointer(byte_length());
+ CHECK(byte_length()->IsSmi() || byte_length()->IsHeapNumber()
+ || byte_length()->IsUndefined());
+}
+
void Foreign::ForeignVerify() {
CHECK(IsForeign());
TYPE_CHECKER(JSArray, JS_ARRAY_TYPE)
+TYPE_CHECKER(JSArrayBuffer, JS_ARRAY_BUFFER_TYPE)
TYPE_CHECKER(JSRegExp, JS_REGEXP_TYPE)
return JSDate::kSize;
case JS_ARRAY_TYPE:
return JSArray::kSize;
+ case JS_ARRAY_BUFFER_TYPE:
+ return JSArrayBuffer::kSize;
case JS_SET_TYPE:
return JSSet::kSize;
case JS_MAP_TYPE:
CAST_ACCESSOR(JSBuiltinsObject)
CAST_ACCESSOR(Code)
CAST_ACCESSOR(JSArray)
+CAST_ACCESSOR(JSArrayBuffer)
CAST_ACCESSOR(JSRegExp)
CAST_ACCESSOR(JSProxy)
CAST_ACCESSOR(JSFunctionProxy)
ACCESSORS(JSArray, length, Object, kLengthOffset)
+void* JSArrayBuffer::backing_store() {
+ intptr_t ptr = READ_INTPTR_FIELD(this, kBackingStoreOffset);
+ return reinterpret_cast<void*>(ptr);
+}
+
+
+void JSArrayBuffer::set_backing_store(void* value, WriteBarrierMode mode) {
+ intptr_t ptr = reinterpret_cast<intptr_t>(value);
+ WRITE_INTPTR_FIELD(this, kBackingStoreOffset, ptr);
+}
+
+
+ACCESSORS(JSArrayBuffer, byte_length, Object, kByteLengthOffset)
+
+
ACCESSORS(JSRegExp, data, Object, kDataOffset)
case JS_GLOBAL_PROPERTY_CELL_TYPE:
JSGlobalPropertyCell::cast(this)->JSGlobalPropertyCellPrint(out);
break;
+ case JS_ARRAY_BUFFER_TYPE:
+ JSArrayBuffer::cast(this)->JSArrayBufferPrint(out);
#define MAKE_STRUCT_CASE(NAME, Name, name) \
case NAME##_TYPE: \
Name::cast(this)->Name##Print(out); \
}
+void JSArrayBuffer::JSArrayBufferPrint(FILE* out) {
+ HeapObject::PrintHeader(out, "JSArrayBuffer");
+ PrintF(out, " - map = 0x%p\n", reinterpret_cast<void*>(map()));
+ PrintF(out, " - backing_store = -0x%p\n", backing_store());
+ PrintF(out, " - byte_length = ");
+ byte_length()->ShortPrint(out);
+ PrintF(out, "\n");
+}
+
+
void JSFunction::JSFunctionPrint(FILE* out) {
HeapObject::PrintHeader(out, "Function");
PrintF(out, " - map = 0x%p\n", reinterpret_cast<void*>(map()));
case JS_GLOBAL_OBJECT_TYPE:
case JS_BUILTINS_OBJECT_TYPE:
case JS_MESSAGE_OBJECT_TYPE:
+ case JS_ARRAY_BUFFER_TYPE:
return GetVisitorIdForSize(kVisitJSObject,
kVisitJSObjectGeneric,
instance_size);
case JS_VALUE_TYPE:
case JS_DATE_TYPE:
case JS_ARRAY_TYPE:
+ case JS_ARRAY_BUFFER_TYPE:
case JS_SET_TYPE:
case JS_MAP_TYPE:
case JS_WEAK_MAP_TYPE:
// - JSReceiver (suitable for property access)
// - JSObject
// - JSArray
+// - JSArrayBuffer
// - JSSet
// - JSMap
// - JSWeakMap
V(JS_BUILTINS_OBJECT_TYPE) \
V(JS_GLOBAL_PROXY_TYPE) \
V(JS_ARRAY_TYPE) \
+ V(JS_ARRAY_BUFFER_TYPE) \
V(JS_PROXY_TYPE) \
V(JS_WEAK_MAP_TYPE) \
V(JS_REGEXP_TYPE) \
JS_BUILTINS_OBJECT_TYPE,
JS_GLOBAL_PROXY_TYPE,
JS_ARRAY_TYPE,
+ JS_ARRAY_BUFFER_TYPE,
JS_SET_TYPE,
JS_MAP_TYPE,
JS_WEAK_MAP_TYPE,
V(Foreign) \
V(Boolean) \
V(JSArray) \
+ V(JSArrayBuffer) \
V(JSProxy) \
V(JSFunctionProxy) \
V(JSSet) \
};
+class JSArrayBuffer: public JSObject {
+ public:
+ // [backing_store]: backing memory for thsi array
+ DECL_ACCESSORS(backing_store, void)
+
+ // [byte_length]: length in bytes
+ DECL_ACCESSORS(byte_length, Object)
+
+ // Casting.
+ static inline JSArrayBuffer* cast(Object* obj);
+
+ // Dispatched behavior.
+ DECLARE_PRINTER(JSArrayBuffer)
+ DECLARE_VERIFIER(JSArrayBuffer)
+
+ static const int kBackingStoreOffset = JSObject::kHeaderSize;
+ static const int kByteLengthOffset = kBackingStoreOffset + kPointerSize;
+ static const int kSize = kByteLengthOffset + kPointerSize;
+
+ private:
+ DISALLOW_IMPLICIT_CONSTRUCTORS(JSArrayBuffer);
+};
+
+
// Foreign describes objects pointing from JavaScript to C structures.
// Since they cannot contain references to JS HeapObjects they can be
// placed in old_data_space.
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include <stdlib.h>
+#include <limits>
#include "v8.h"
}
+static size_t ArrayBufferAllocatedLength(Isolate* isolate,
+ JSArrayBuffer* buffer) {
+ NoHandleAllocation hc(isolate);
+ Object* byte_length = buffer->byte_length();
+ if (byte_length->IsSmi()) {
+ return Smi::cast(byte_length)->value();
+ } else {
+ double value = HeapNumber::cast(byte_length)->value();
+ return static_cast<size_t>(value);
+ }
+}
+
+
+static void ArrayBufferWeakCallback(v8::Isolate* external_isolate,
+ Persistent<Value> object,
+ void* data) {
+ Isolate* isolate = reinterpret_cast<Isolate*>(external_isolate);
+ HandleScope scope(isolate);
+ Handle<Object> internal_object = Utils::OpenHandle(*object);
+
+ size_t allocated_length = ArrayBufferAllocatedLength(
+ isolate, JSArrayBuffer::cast(*internal_object));
+ isolate->heap()->AdjustAmountOfExternalAllocatedMemory(-allocated_length);
+ if (data != NULL)
+ free(data);
+ object.Dispose(external_isolate);
+}
+
+
+RUNTIME_FUNCTION(MaybeObject*, Runtime_ArrayBufferInitialize) {
+ HandleScope scope(isolate);
+ ASSERT(args.length() == 2);
+ CONVERT_ARG_HANDLE_CHECKED(JSArrayBuffer, holder, 0);
+ CONVERT_ARG_HANDLE_CHECKED(Object, byteLength, 1);
+ size_t allocated_length;
+ if (byteLength->IsSmi()) {
+ allocated_length = Smi::cast(*byteLength)->value();
+ } else {
+ ASSERT(byteLength->IsHeapNumber());
+ double value = HeapNumber::cast(*byteLength)->value();
+
+ ASSERT(value >= 0);
+
+ if (value > std::numeric_limits<size_t>::max()) {
+ return isolate->Throw(
+ *isolate->factory()->NewRangeError("invalid_array_buffer_length",
+ HandleVector<Object>(NULL, 0)));
+ }
+
+ allocated_length = static_cast<size_t>(value);
+ }
+
+ void* data;
+ if (allocated_length != 0) {
+ data = malloc(allocated_length);
+
+ if (data == NULL) {
+ return isolate->Throw(*isolate->factory()->
+ NewRangeError("invalid_array_buffer_length",
+ HandleVector<Object>(NULL, 0)));
+ }
+
+ memset(data, 0, allocated_length);
+ } else {
+ data = NULL;
+ }
+ holder->set_backing_store(data);
+
+ Object* byte_length;
+ {
+ MaybeObject* maybe_byte_length =
+ isolate->heap()->NumberFromDouble(allocated_length);
+ if (!maybe_byte_length->ToObject(&byte_length)) return maybe_byte_length;
+ }
+ CHECK(byte_length->IsSmi() || byte_length->IsHeapNumber());
+ holder->set_byte_length(byte_length);
+
+ v8::Isolate* external_isolate = reinterpret_cast<v8::Isolate*>(isolate);
+ v8::Handle<Object> external_holder(*holder);
+ Persistent<Object> weak_handle = Persistent<Object>::New(
+ external_isolate, external_holder);
+ weak_handle.MakeWeak(external_isolate, data, ArrayBufferWeakCallback);
+ weak_handle.MarkIndependent(external_isolate);
+ isolate->heap()->AdjustAmountOfExternalAllocatedMemory(allocated_length);
+
+ return *holder;
+}
+
+
+RUNTIME_FUNCTION(MaybeObject*, Runtime_ArrayBufferGetByteLength) {
+ NoHandleAllocation ha(isolate);
+ ASSERT(args.length() == 1);
+ CONVERT_ARG_CHECKED(JSArrayBuffer, holder, 0);
+ return holder->byte_length();
+}
+
+
+RUNTIME_FUNCTION(MaybeObject*, Runtime_ArrayBufferSliceImpl) {
+ HandleScope scope(isolate);
+ ASSERT(args.length() == 3);
+ CONVERT_ARG_HANDLE_CHECKED(JSArrayBuffer, source, 0);
+ CONVERT_ARG_HANDLE_CHECKED(JSArrayBuffer, target, 1);
+ CONVERT_DOUBLE_ARG_CHECKED(first, 2);
+ size_t start = static_cast<size_t>(first);
+ size_t source_length = ArrayBufferAllocatedLength(isolate, *source);
+ size_t target_length = ArrayBufferAllocatedLength(isolate, *target);
+
+ if (target_length == 0)
+ return isolate->heap()->undefined_value();
+
+ ASSERT(source_length - target_length >= start);
+ uint8_t* source_data = reinterpret_cast<uint8_t*>(source->backing_store());
+ uint8_t* target_data = reinterpret_cast<uint8_t*>(target->backing_store());
+ CopyBytes(target_data, source_data + start, target_length);
+ return isolate->heap()->undefined_value();
+}
+
+
RUNTIME_FUNCTION(MaybeObject*, Runtime_SetInitialize) {
HandleScope scope(isolate);
ASSERT(args.length() == 1);
}
+// ES6 draft 9.1.11
+RUNTIME_FUNCTION(MaybeObject*, Runtime_NumberToPositiveInteger) {
+ NoHandleAllocation ha(isolate);
+ ASSERT(args.length() == 1);
+
+ CONVERT_DOUBLE_ARG_CHECKED(number, 0);
+
+ // We do not include 0 so that we don't have to treat +0 / -0 cases.
+ if (number > 0 && number <= Smi::kMaxValue) {
+ return Smi::FromInt(static_cast<int>(number));
+ }
+ if (number <= 0) {
+ return Smi::FromInt(0);
+ }
+ return isolate->heap()->NumberFromDouble(DoubleToInteger(number));
+}
+
+
RUNTIME_FUNCTION(MaybeObject*, Runtime_NumberToIntegerMapMinusZero) {
NoHandleAllocation ha(isolate);
ASSERT(args.length() == 1);
F(NumberToString, 1, 1) \
F(NumberToStringSkipCache, 1, 1) \
F(NumberToInteger, 1, 1) \
+ F(NumberToPositiveInteger, 1, 1) \
F(NumberToIntegerMapMinusZero, 1, 1) \
F(NumberToJSUint32, 1, 1) \
F(NumberToJSInt32, 1, 1) \
F(ObservationWeakMapCreate, 0, 1) \
F(UnwrapGlobalProxy, 1, 1) \
\
+ /* Harmony typed arrays */ \
+ F(ArrayBufferInitialize, 2, 1)\
+ F(ArrayBufferGetByteLength, 1, 1)\
+ F(ArrayBufferSliceImpl, 3, 1) \
+ \
/* Statements */ \
F(NewClosure, 3, 1) \
F(NewObject, 1, 1) \
--- /dev/null
+// Copyright 2013 the V8 project authors. All rights reserved.
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+// * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following
+// disclaimer in the documentation and/or other materials provided
+// with the distribution.
+// * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived
+// from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+"use strict";
+
+var $ArrayBuffer = global.__ArrayBuffer;
+
+function ArrayBufferConstructor(byteLength) { // length = 1
+ if (%_IsConstructCall()) {
+ var l = TO_POSITIVE_INTEGER(byteLength);
+ %ArrayBufferInitialize(this, l);
+ } else {
+ return new $ArrayBuffer(byteLength);
+ }
+}
+
+function ArrayBufferGetByteLength() {
+ if (!IS_ARRAYBUFFER(this)) {
+ throw MakeTypeError('incompatible_method_receiver',
+ ['ArrayBuffer.prototype.byteLength', this]);
+ }
+ return %ArrayBufferGetByteLength(this);
+}
+
+// ES6 Draft 15.13.5.5.3
+function ArrayBufferSlice(start, end) {
+ if (!IS_ARRAYBUFFER(this)) {
+ throw MakeTypeError('incompatible_method_receiver',
+ ['ArrayBuffer.prototype.slice', this]);
+ }
+
+ var relativeStart = TO_INTEGER(start);
+ var first;
+ if (relativeStart < 0) {
+ first = MathMax(this.byteLength + relativeStart, 0);
+ } else {
+ first = MathMin(relativeStart, this.byteLength);
+ }
+ var relativeEnd = IS_UNDEFINED(end) ? this.byteLength : TO_INTEGER(end);
+ var fin;
+ if (relativeEnd < 0) {
+ fin = MathMax(this.byteLength + relativeEnd, 0);
+ } else {
+ fin = MathMin(relativeEnd, this.byteLength);
+ }
+
+ var newLen = fin - first;
+ // TODO(dslomov): implement inheritance
+ var result = new $ArrayBuffer(newLen);
+
+ %ArrayBufferSliceImpl(this, result, first);
+ return result;
+}
+
+
+
+// -------------------------------------------------------------------
+
+(function () {
+ %CheckIsBootstrapping();
+
+ // Set up the Uint16Array constructor function.
+ %SetCode($ArrayBuffer, ArrayBufferConstructor);
+
+ // Set up the constructor property on the ArrayBuffer prototype object.
+ %SetProperty($ArrayBuffer.prototype, "constructor", $ArrayBuffer, DONT_ENUM);
+
+ InstallGetter($ArrayBuffer.prototype, "byteLength", ArrayBufferGetByteLength);
+
+ InstallFunctions($ArrayBuffer.prototype, DONT_ENUM, $Array(
+ "slice", ArrayBufferSlice
+ ));
+
+})();
--- /dev/null
+// Copyright 2013 the V8 project authors. All rights reserved.
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+// * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following
+// disclaimer in the documentation and/or other materials provided
+// with the distribution.
+// * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived
+// from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// Flags: --harmony-typed-arrays
+
+function TestByteLength(param, expectedByteLength) {
+ var ab = new __ArrayBuffer(param);
+ assertSame(expectedByteLength, ab.byteLength);
+}
+
+function TestArrayBufferCreation() {
+ TestByteLength(1, 1);
+ TestByteLength(256, 256);
+ TestByteLength(-10, 0);
+ TestByteLength(2.567, 2);
+ TestByteLength(-2.567, 0);
+
+ TestByteLength("abc", 0);
+
+ TestByteLength(0, 0);
+
+ assertThrows(function() {
+ var ab1 = new __ArrayBuffer(0xFFFFFFFFFFFF)
+ }, RangeError);
+
+ var ab = new __ArrayBuffer();
+ assertSame(0, ab.byteLength);
+}
+
+TestArrayBufferCreation();
+
+function TestByteLengthNotWritable() {
+ var ab = new __ArrayBuffer(1024);
+ assertSame(1024, ab.byteLength);
+
+ assertThrows(function() { "use strict"; ab.byteLength = 42; }, TypeError);
+}
+
+TestByteLengthNotWritable();
+
+function TestSlice(expectedResultLen, initialLen, start, end) {
+ var ab = new __ArrayBuffer(initialLen);
+ var slice = ab.slice(start, end);
+ assertSame(expectedResultLen, slice.byteLength);
+}
+
+function TestArrayBufferSlice() {
+ var ab = new __ArrayBuffer(1024);
+ var ab1 = ab.slice(512, 1024);
+ assertSame(512, ab1.byteLength);
+
+ TestSlice(512, 1024, 512, 1024);
+ TestSlice(512, 1024, 512);
+
+ TestSlice(0, 0, 1, 20);
+ TestSlice(100, 100, 0, 100);
+ TestSlice(100, 100, 0, 1000);
+ TestSlice(0, 100, 5, 1);
+
+ TestSlice(1, 100, -11, -10);
+ TestSlice(9, 100, -10, 99);
+ TestSlice(0, 100, -10, 80);
+ TestSlice(10, 100, 80, -10);
+
+ TestSlice(10, 100, 90, "100");
+ TestSlice(10, 100, "90", "100");
+
+ TestSlice(0, 100, 90, "abc");
+ TestSlice(10, 100, "abc", 10);
+
+ TestSlice(10, 100, 0.96, 10.96);
+ TestSlice(10, 100, 0.96, 10.01);
+ TestSlice(10, 100, 0.01, 10.01);
+ TestSlice(10, 100, 0.01, 10.96);
+
+
+ TestSlice(10, 100, 90);
+ TestSlice(10, 100, -10);
+}
+
+TestArrayBufferSlice();
+
+// Test property attribute [[Enumerable]]
+function TestEnumerable(func) {
+ function props(x) {
+ var array = [];
+ for (var p in x) array.push(p);
+ return array.sort();
+ }
+ assertArrayEquals([], props(func));
+ assertArrayEquals([], props(func.prototype));
+ assertArrayEquals([], props(new func()));
+}
+TestEnumerable(__ArrayBuffer);
+
+
+// Test arbitrary properties on ArrayBuffer
+function TestArbitrary(m) {
+ function TestProperty(map, property, value) {
+ map[property] = value;
+ assertEquals(value, map[property]);
+ }
+ for (var i = 0; i < 20; i++) {
+ TestProperty(m, i, 'val' + i);
+ TestProperty(m, 'foo' + i, 'bar' + i);
+ }
+}
+TestArbitrary(new __ArrayBuffer(256));
+
+
+// Test direct constructor call
+assertTrue(__ArrayBuffer() instanceof __ArrayBuffer);
'../../src/symbol.js',
'../../src/proxy.js',
'../../src/collection.js',
- '../../src/object-observe.js'
+ '../../src/object-observe.js',
+ '../../src/typedarray.js'
],
},
'actions': [