| /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- |
| * vim: set ts=8 sts=4 et sw=4 tw=99: |
| */ |
| /* This Source Code Form is subject to the terms of the Mozilla Public |
| * License, v. 2.0. If a copy of the MPL was not distributed with this |
| * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| |
| #include "jsfriendapi.h" |
| |
| #include "jsapi-tests/tests.h" |
| |
| using namespace js; |
| |
| BEGIN_TEST(testTypedArrays) |
| { |
| bool ok = true; |
| |
| ok = ok && |
| TestPlainTypedArray<JS_NewInt8Array, int8_t, JS_GetInt8ArrayData>(cx) && |
| TestPlainTypedArray<JS_NewUint8Array, uint8_t, JS_GetUint8ArrayData>(cx) && |
| TestPlainTypedArray<JS_NewUint8ClampedArray, uint8_t, JS_GetUint8ClampedArrayData>(cx) && |
| TestPlainTypedArray<JS_NewInt16Array, int16_t, JS_GetInt16ArrayData>(cx) && |
| TestPlainTypedArray<JS_NewUint16Array, uint16_t, JS_GetUint16ArrayData>(cx) && |
| TestPlainTypedArray<JS_NewInt32Array, int32_t, JS_GetInt32ArrayData>(cx) && |
| TestPlainTypedArray<JS_NewUint32Array, uint32_t, JS_GetUint32ArrayData>(cx) && |
| TestPlainTypedArray<JS_NewFloat32Array, float, JS_GetFloat32ArrayData>(cx) && |
| TestPlainTypedArray<JS_NewFloat64Array, double, JS_GetFloat64ArrayData>(cx); |
| |
| size_t nbytes = sizeof(double) * 8; |
| RootedObject buffer(cx, JS_NewArrayBuffer(cx, nbytes)); |
| CHECK(JS_IsArrayBufferObject(buffer)); |
| |
| RootedObject proto(cx); |
| JS_GetPrototype(cx, buffer, &proto); |
| CHECK(!JS_IsArrayBufferObject(proto)); |
| |
| { |
| JS::AutoCheckCannotGC nogc; |
| bool isShared; |
| CHECK_EQUAL(JS_GetArrayBufferByteLength(buffer), nbytes); |
| memset(JS_GetArrayBufferData(buffer, &isShared, nogc), 1, nbytes); |
| CHECK(!isShared); // Because ArrayBuffer |
| } |
| |
| ok = ok && |
| TestArrayFromBuffer<JS_NewInt8ArrayWithBuffer, JS_NewInt8ArrayFromArray, int8_t, false, JS_GetInt8ArrayData>(cx) && |
| TestArrayFromBuffer<JS_NewUint8ArrayWithBuffer, JS_NewUint8ArrayFromArray, uint8_t, false, JS_GetUint8ArrayData>(cx) && |
| TestArrayFromBuffer<JS_NewUint8ClampedArrayWithBuffer, JS_NewUint8ClampedArrayFromArray, uint8_t, false, JS_GetUint8ClampedArrayData>(cx) && |
| TestArrayFromBuffer<JS_NewInt16ArrayWithBuffer, JS_NewInt16ArrayFromArray, int16_t, false, JS_GetInt16ArrayData>(cx) && |
| TestArrayFromBuffer<JS_NewUint16ArrayWithBuffer, JS_NewUint16ArrayFromArray, uint16_t, false, JS_GetUint16ArrayData>(cx) && |
| TestArrayFromBuffer<JS_NewInt32ArrayWithBuffer, JS_NewInt32ArrayFromArray, int32_t, false, JS_GetInt32ArrayData>(cx) && |
| TestArrayFromBuffer<JS_NewUint32ArrayWithBuffer, JS_NewUint32ArrayFromArray, uint32_t, false, JS_GetUint32ArrayData>(cx) && |
| TestArrayFromBuffer<JS_NewFloat32ArrayWithBuffer, JS_NewFloat32ArrayFromArray, float, false, JS_GetFloat32ArrayData>(cx) && |
| TestArrayFromBuffer<JS_NewFloat64ArrayWithBuffer, JS_NewFloat64ArrayFromArray, double, false, JS_GetFloat64ArrayData>(cx); |
| |
| #ifdef ENABLE_SHARED_ARRAY_BUFFER |
| ok = ok && |
| TestArrayFromBuffer<JS_NewInt8ArrayWithBuffer, JS_NewInt8ArrayFromArray, int8_t, true, JS_GetInt8ArrayData>(cx) && |
| TestArrayFromBuffer<JS_NewUint8ArrayWithBuffer, JS_NewUint8ArrayFromArray, uint8_t, true, JS_GetUint8ArrayData>(cx) && |
| TestArrayFromBuffer<JS_NewUint8ClampedArrayWithBuffer, JS_NewUint8ClampedArrayFromArray, uint8_t, true, JS_GetUint8ClampedArrayData>(cx) && |
| TestArrayFromBuffer<JS_NewInt16ArrayWithBuffer, JS_NewInt16ArrayFromArray, int16_t, true, JS_GetInt16ArrayData>(cx) && |
| TestArrayFromBuffer<JS_NewUint16ArrayWithBuffer, JS_NewUint16ArrayFromArray, uint16_t, true, JS_GetUint16ArrayData>(cx) && |
| TestArrayFromBuffer<JS_NewInt32ArrayWithBuffer, JS_NewInt32ArrayFromArray, int32_t, true, JS_GetInt32ArrayData>(cx) && |
| TestArrayFromBuffer<JS_NewUint32ArrayWithBuffer, JS_NewUint32ArrayFromArray, uint32_t, true, JS_GetUint32ArrayData>(cx) && |
| TestArrayFromBuffer<JS_NewFloat32ArrayWithBuffer, JS_NewFloat32ArrayFromArray, float, true, JS_GetFloat32ArrayData>(cx) && |
| TestArrayFromBuffer<JS_NewFloat64ArrayWithBuffer, JS_NewFloat64ArrayFromArray, double, true, JS_GetFloat64ArrayData>(cx); |
| #endif // ENABLE_SHARED_ARRAY_BUFFER |
| |
| return ok; |
| } |
| |
| // Shared memory can only be mapped by a TypedArray by creating the |
| // TypedArray with a SharedArrayBuffer explicitly, so no tests here. |
| |
| template<JSObject* Create(JSContext*, uint32_t), |
| typename Element, |
| Element* GetData(JSObject*, bool* isShared, const JS::AutoCheckCannotGC&)> |
| bool |
| TestPlainTypedArray(JSContext* cx) |
| { |
| { |
| RootedObject notArray(cx, Create(cx, UINT32_MAX)); |
| CHECK(!notArray); |
| } |
| |
| RootedObject array(cx, Create(cx, 7)); |
| CHECK(JS_IsTypedArrayObject(array)); |
| RootedObject proto(cx); |
| JS_GetPrototype(cx, array, &proto); |
| CHECK(!JS_IsTypedArrayObject(proto)); |
| |
| CHECK_EQUAL(JS_GetTypedArrayLength(array), 7u); |
| CHECK_EQUAL(JS_GetTypedArrayByteOffset(array), 0u); |
| CHECK_EQUAL(JS_GetTypedArrayByteLength(array), sizeof(Element) * 7); |
| |
| { |
| JS::AutoCheckCannotGC nogc; |
| Element* data; |
| bool isShared; |
| CHECK(data = GetData(array, &isShared, nogc)); |
| CHECK(!isShared); // Because ArrayBuffer |
| *data = 13; |
| } |
| RootedValue v(cx); |
| CHECK(JS_GetElement(cx, array, 0, &v)); |
| CHECK_SAME(v, Int32Value(13)); |
| |
| return true; |
| } |
| |
| template<JSObject* CreateWithBuffer(JSContext*, JS::HandleObject, uint32_t, int32_t), |
| JSObject* CreateFromArray(JSContext*, JS::HandleObject), |
| typename Element, |
| bool Shared, |
| Element* GetData(JSObject*, bool*, const JS::AutoCheckCannotGC&)> |
| bool |
| TestArrayFromBuffer(JSContext* cx) |
| { |
| size_t elts = 8; |
| size_t nbytes = elts * sizeof(Element); |
| RootedObject buffer(cx, Shared ? JS_NewSharedArrayBuffer(cx, nbytes) |
| : JS_NewArrayBuffer(cx, nbytes)); |
| { |
| JS::AutoCheckCannotGC nogc; |
| bool isShared; |
| void* data = Shared ? JS_GetSharedArrayBufferData(buffer, &isShared, nogc) |
| : JS_GetArrayBufferData(buffer, &isShared, nogc); |
| CHECK_EQUAL(Shared, isShared); |
| memset(data, 1, nbytes); |
| } |
| |
| { |
| RootedObject notArray(cx, CreateWithBuffer(cx, buffer, UINT32_MAX, -1)); |
| CHECK(!notArray); |
| } |
| |
| RootedObject array(cx, CreateWithBuffer(cx, buffer, 0, -1)); |
| CHECK_EQUAL(JS_GetTypedArrayLength(array), elts); |
| CHECK_EQUAL(JS_GetTypedArrayByteOffset(array), 0u); |
| CHECK_EQUAL(JS_GetTypedArrayByteLength(array), nbytes); |
| { |
| bool isShared; |
| CHECK_EQUAL(JS_GetArrayBufferViewBuffer(cx, array, &isShared), (JSObject*) buffer); |
| CHECK_EQUAL(Shared, isShared); |
| } |
| |
| { |
| JS::AutoCheckCannotGC nogc; |
| Element* data; |
| bool isShared; |
| |
| CHECK(data = GetData(array, &isShared, nogc)); |
| CHECK_EQUAL(Shared, isShared); |
| |
| CHECK_EQUAL((void*) data, |
| Shared ? (void*) JS_GetSharedArrayBufferData(buffer, &isShared, nogc) |
| : (void*) JS_GetArrayBufferData(buffer, &isShared, nogc)); |
| CHECK_EQUAL(Shared, isShared); |
| |
| CHECK_EQUAL(*reinterpret_cast<uint8_t*>(data), 1u); |
| } |
| |
| RootedObject shortArray(cx, CreateWithBuffer(cx, buffer, 0, elts / 2)); |
| CHECK_EQUAL(JS_GetTypedArrayLength(shortArray), elts / 2); |
| CHECK_EQUAL(JS_GetTypedArrayByteOffset(shortArray), 0u); |
| CHECK_EQUAL(JS_GetTypedArrayByteLength(shortArray), nbytes / 2); |
| |
| RootedObject ofsArray(cx, CreateWithBuffer(cx, buffer, nbytes / 2, -1)); |
| CHECK_EQUAL(JS_GetTypedArrayLength(ofsArray), elts / 2); |
| CHECK_EQUAL(JS_GetTypedArrayByteOffset(ofsArray), nbytes / 2); |
| CHECK_EQUAL(JS_GetTypedArrayByteLength(ofsArray), nbytes / 2); |
| |
| // Make sure all 3 views reflect the same buffer at the expected locations |
| JS::RootedValue v(cx, JS::Int32Value(39)); |
| JS_SetElement(cx, array, 0, v); |
| JS::RootedValue v2(cx); |
| CHECK(JS_GetElement(cx, array, 0, &v2)); |
| CHECK_SAME(v, v2); |
| CHECK(JS_GetElement(cx, shortArray, 0, &v2)); |
| CHECK_SAME(v, v2); |
| { |
| JS::AutoCheckCannotGC nogc; |
| Element* data; |
| bool isShared; |
| CHECK(data = GetData(array, &isShared, nogc)); |
| CHECK_EQUAL(Shared, isShared); |
| CHECK_EQUAL(long(v.toInt32()), long(reinterpret_cast<Element*>(data)[0])); |
| } |
| |
| v.setInt32(40); |
| JS_SetElement(cx, array, elts / 2, v); |
| CHECK(JS_GetElement(cx, array, elts / 2, &v2)); |
| CHECK_SAME(v, v2); |
| CHECK(JS_GetElement(cx, ofsArray, 0, &v2)); |
| CHECK_SAME(v, v2); |
| { |
| JS::AutoCheckCannotGC nogc; |
| Element* data; |
| bool isShared; |
| CHECK(data = GetData(array, &isShared, nogc)); |
| CHECK_EQUAL(Shared, isShared); |
| CHECK_EQUAL(long(v.toInt32()), long(reinterpret_cast<Element*>(data)[elts / 2])); |
| } |
| |
| v.setInt32(41); |
| JS_SetElement(cx, array, elts - 1, v); |
| CHECK(JS_GetElement(cx, array, elts - 1, &v2)); |
| CHECK_SAME(v, v2); |
| CHECK(JS_GetElement(cx, ofsArray, elts / 2 - 1, &v2)); |
| CHECK_SAME(v, v2); |
| { |
| JS::AutoCheckCannotGC nogc; |
| Element* data; |
| bool isShared; |
| CHECK(data = GetData(array, &isShared, nogc)); |
| CHECK_EQUAL(Shared, isShared); |
| CHECK_EQUAL(long(v.toInt32()), long(reinterpret_cast<Element*>(data)[elts - 1])); |
| } |
| |
| JS::RootedObject copy(cx, CreateFromArray(cx, array)); |
| CHECK(JS_GetElement(cx, array, 0, &v)); |
| CHECK(JS_GetElement(cx, copy, 0, &v2)); |
| CHECK_SAME(v, v2); |
| |
| /* The copy should not see changes in the original */ |
| v2.setInt32(42); |
| JS_SetElement(cx, array, 0, v2); |
| CHECK(JS_GetElement(cx, copy, 0, &v2)); |
| CHECK_SAME(v2, v); /* v is still the original value from 'array' */ |
| |
| return true; |
| } |
| |
| END_TEST(testTypedArrays) |