michael@0: /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
michael@0:  * vim: set ts=8 sts=4 et sw=4 tw=99:
michael@0:  */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #include "jsfriendapi.h"
michael@0: 
michael@0: #include "jsapi-tests/tests.h"
michael@0: 
michael@0: using namespace js;
michael@0: 
michael@0: BEGIN_TEST(testTypedArrays)
michael@0: {
michael@0:     bool ok = true;
michael@0: 
michael@0:     ok = ok &&
michael@0:         TestPlainTypedArray<JS_NewInt8Array, int8_t, JS_GetInt8ArrayData>(cx) &&
michael@0:         TestPlainTypedArray<JS_NewUint8Array, uint8_t, JS_GetUint8ArrayData>(cx) &&
michael@0:         TestPlainTypedArray<JS_NewUint8ClampedArray, uint8_t, JS_GetUint8ClampedArrayData>(cx) &&
michael@0:         TestPlainTypedArray<JS_NewInt16Array, int16_t, JS_GetInt16ArrayData>(cx) &&
michael@0:         TestPlainTypedArray<JS_NewUint16Array, uint16_t, JS_GetUint16ArrayData>(cx) &&
michael@0:         TestPlainTypedArray<JS_NewInt32Array, int32_t, JS_GetInt32ArrayData>(cx) &&
michael@0:         TestPlainTypedArray<JS_NewUint32Array, uint32_t, JS_GetUint32ArrayData>(cx) &&
michael@0:         TestPlainTypedArray<JS_NewFloat32Array, float, JS_GetFloat32ArrayData>(cx) &&
michael@0:         TestPlainTypedArray<JS_NewFloat64Array, double, JS_GetFloat64ArrayData>(cx);
michael@0: 
michael@0:     size_t nbytes = sizeof(double) * 8;
michael@0:     RootedObject buffer(cx, JS_NewArrayBuffer(cx, nbytes));
michael@0:     CHECK(JS_IsArrayBufferObject(buffer));
michael@0: 
michael@0:     RootedObject proto(cx);
michael@0:     JS_GetPrototype(cx, buffer, &proto);
michael@0:     CHECK(!JS_IsArrayBufferObject(proto));
michael@0:     RootedObject dummy(cx, JS_GetParent(proto));
michael@0:     CHECK(!JS_IsArrayBufferObject(dummy));
michael@0: 
michael@0:     CHECK_EQUAL(JS_GetArrayBufferByteLength(buffer), nbytes);
michael@0:     memset(JS_GetStableArrayBufferData(cx, buffer), 1, nbytes);
michael@0: 
michael@0:     ok = ok &&
michael@0:         TestArrayFromBuffer<JS_NewInt8ArrayWithBuffer, JS_NewInt8ArrayFromArray, int8_t, JS_GetInt8ArrayData>(cx) &&
michael@0:         TestArrayFromBuffer<JS_NewUint8ArrayWithBuffer, JS_NewUint8ArrayFromArray, uint8_t, JS_GetUint8ArrayData>(cx) &&
michael@0:         TestArrayFromBuffer<JS_NewUint8ClampedArrayWithBuffer, JS_NewUint8ClampedArrayFromArray, uint8_t, JS_GetUint8ClampedArrayData>(cx) &&
michael@0:         TestArrayFromBuffer<JS_NewInt16ArrayWithBuffer, JS_NewInt16ArrayFromArray, int16_t, JS_GetInt16ArrayData>(cx) &&
michael@0:         TestArrayFromBuffer<JS_NewUint16ArrayWithBuffer, JS_NewUint16ArrayFromArray, uint16_t, JS_GetUint16ArrayData>(cx) &&
michael@0:         TestArrayFromBuffer<JS_NewInt32ArrayWithBuffer, JS_NewInt32ArrayFromArray, int32_t, JS_GetInt32ArrayData>(cx) &&
michael@0:         TestArrayFromBuffer<JS_NewUint32ArrayWithBuffer, JS_NewUint32ArrayFromArray, uint32_t, JS_GetUint32ArrayData>(cx) &&
michael@0:         TestArrayFromBuffer<JS_NewFloat32ArrayWithBuffer, JS_NewFloat32ArrayFromArray, float, JS_GetFloat32ArrayData>(cx) &&
michael@0:         TestArrayFromBuffer<JS_NewFloat64ArrayWithBuffer, JS_NewFloat64ArrayFromArray, double, JS_GetFloat64ArrayData>(cx);
michael@0: 
michael@0:     return ok;
michael@0: }
michael@0: 
michael@0: template<JSObject *Create(JSContext *, uint32_t),
michael@0:          typename Element,
michael@0:          Element *GetData(JSObject *)>
michael@0: bool
michael@0: TestPlainTypedArray(JSContext *cx)
michael@0: {
michael@0:     {
michael@0:         RootedObject notArray(cx, Create(cx, UINT32_MAX));
michael@0:         CHECK(!notArray);
michael@0:     }
michael@0: 
michael@0:     RootedObject array(cx, Create(cx, 7));
michael@0:     CHECK(JS_IsTypedArrayObject(array));
michael@0:     RootedObject proto(cx);
michael@0:     JS_GetPrototype(cx, array, &proto);
michael@0:     CHECK(!JS_IsTypedArrayObject(proto));
michael@0:     RootedObject dummy(cx, JS_GetParent(proto));
michael@0:     CHECK(!JS_IsTypedArrayObject(dummy));
michael@0: 
michael@0:     CHECK_EQUAL(JS_GetTypedArrayLength(array), 7);
michael@0:     CHECK_EQUAL(JS_GetTypedArrayByteOffset(array), 0);
michael@0:     CHECK_EQUAL(JS_GetTypedArrayByteLength(array), sizeof(Element) * 7);
michael@0: 
michael@0:     Element *data;
michael@0:     CHECK(data = GetData(array));
michael@0:     *data = 13;
michael@0:     RootedValue v(cx);
michael@0:     CHECK(JS_GetElement(cx, array, 0, &v));
michael@0:     CHECK_SAME(v, INT_TO_JSVAL(13));
michael@0: 
michael@0:     return true;
michael@0: }
michael@0: 
michael@0: template<JSObject *CreateWithBuffer(JSContext *, JS::HandleObject, uint32_t, int32_t),
michael@0:          JSObject *CreateFromArray(JSContext *, JS::HandleObject),
michael@0:          typename Element,
michael@0:          Element *GetData(JSObject *)>
michael@0: bool
michael@0: TestArrayFromBuffer(JSContext *cx)
michael@0: {
michael@0:     size_t elts = 8;
michael@0:     size_t nbytes = elts * sizeof(Element);
michael@0:     RootedObject buffer(cx, JS_NewArrayBuffer(cx, nbytes));
michael@0:     uint8_t *bufdata;
michael@0:     CHECK(bufdata = JS_GetStableArrayBufferData(cx, buffer));
michael@0:     memset(bufdata, 1, nbytes);
michael@0: 
michael@0:     {
michael@0:         RootedObject notArray(cx, CreateWithBuffer(cx, buffer, UINT32_MAX, -1));
michael@0:         CHECK(!notArray);
michael@0:     }
michael@0: 
michael@0:     RootedObject array(cx, CreateWithBuffer(cx, buffer, 0, -1));
michael@0:     CHECK_EQUAL(JS_GetTypedArrayLength(array), elts);
michael@0:     CHECK_EQUAL(JS_GetTypedArrayByteOffset(array), 0);
michael@0:     CHECK_EQUAL(JS_GetTypedArrayByteLength(array), nbytes);
michael@0:     CHECK_EQUAL(JS_GetArrayBufferViewBuffer(cx, array), (JSObject*) buffer);
michael@0: 
michael@0:     Element *data;
michael@0:     CHECK(data = GetData(array));
michael@0:     CHECK(bufdata = JS_GetStableArrayBufferData(cx, buffer));
michael@0:     CHECK_EQUAL((void*) data, (void*) bufdata);
michael@0: 
michael@0:     CHECK_EQUAL(*bufdata, 1);
michael@0:     CHECK_EQUAL(*reinterpret_cast<uint8_t*>(data), 1);
michael@0: 
michael@0:     RootedObject shortArray(cx, CreateWithBuffer(cx, buffer, 0, elts / 2));
michael@0:     CHECK_EQUAL(JS_GetTypedArrayLength(shortArray), elts / 2);
michael@0:     CHECK_EQUAL(JS_GetTypedArrayByteOffset(shortArray), 0);
michael@0:     CHECK_EQUAL(JS_GetTypedArrayByteLength(shortArray), nbytes / 2);
michael@0: 
michael@0:     RootedObject ofsArray(cx, CreateWithBuffer(cx, buffer, nbytes / 2, -1));
michael@0:     CHECK_EQUAL(JS_GetTypedArrayLength(ofsArray), elts / 2);
michael@0:     CHECK_EQUAL(JS_GetTypedArrayByteOffset(ofsArray), nbytes / 2);
michael@0:     CHECK_EQUAL(JS_GetTypedArrayByteLength(ofsArray), nbytes / 2);
michael@0: 
michael@0:     // Make sure all 3 views reflect the same buffer at the expected locations
michael@0:     JS::RootedValue v(cx, INT_TO_JSVAL(39));
michael@0:     JS_SetElement(cx, array, 0, v);
michael@0:     JS::RootedValue v2(cx);
michael@0:     CHECK(JS_GetElement(cx, array, 0, &v2));
michael@0:     CHECK_SAME(v, v2);
michael@0:     CHECK(JS_GetElement(cx, shortArray, 0, &v2));
michael@0:     CHECK_SAME(v, v2);
michael@0:     CHECK_EQUAL(long(JSVAL_TO_INT(v)), long(reinterpret_cast<Element*>(data)[0]));
michael@0: 
michael@0:     v = INT_TO_JSVAL(40);
michael@0:     JS_SetElement(cx, array, elts / 2, v);
michael@0:     CHECK(JS_GetElement(cx, array, elts / 2, &v2));
michael@0:     CHECK_SAME(v, v2);
michael@0:     CHECK(JS_GetElement(cx, ofsArray, 0, &v2));
michael@0:     CHECK_SAME(v, v2);
michael@0:     CHECK_EQUAL(long(JSVAL_TO_INT(v)), long(reinterpret_cast<Element*>(data)[elts / 2]));
michael@0: 
michael@0:     v = INT_TO_JSVAL(41);
michael@0:     JS_SetElement(cx, array, elts - 1, v);
michael@0:     CHECK(JS_GetElement(cx, array, elts - 1, &v2));
michael@0:     CHECK_SAME(v, v2);
michael@0:     CHECK(JS_GetElement(cx, ofsArray, elts / 2 - 1, &v2));
michael@0:     CHECK_SAME(v, v2);
michael@0:     CHECK_EQUAL(long(JSVAL_TO_INT(v)), long(reinterpret_cast<Element*>(data)[elts - 1]));
michael@0: 
michael@0:     JS::RootedObject copy(cx, CreateFromArray(cx, array));
michael@0:     CHECK(JS_GetElement(cx, array, 0, &v));
michael@0:     CHECK(JS_GetElement(cx, copy, 0, &v2));
michael@0:     CHECK_SAME(v, v2);
michael@0: 
michael@0:     /* The copy should not see changes in the original */
michael@0:     v2 = INT_TO_JSVAL(42);
michael@0:     JS_SetElement(cx, array, 0, v2);
michael@0:     CHECK(JS_GetElement(cx, copy, 0, &v2));
michael@0:     CHECK_SAME(v2, v); /* v is still the original value from 'array' */
michael@0: 
michael@0:     return true;
michael@0: }
michael@0: 
michael@0: END_TEST(testTypedArrays)