179 lines
5.6 KiB
C++
179 lines
5.6 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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*/
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#include "jscompartment.h"
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#include "jsfriendapi.h"
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#include "jsapi-tests/tests.h"
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#include "jscompartmentinlines.h"
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using namespace js;
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BEGIN_TEST(testArrayBufferView_type)
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{
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CHECK((TestViewType<uint8_t,
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Create<JS_NewUint8Array, 7>,
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JS_GetObjectAsUint8Array,
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js::Scalar::Uint8,
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7, 7>(cx)));
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CHECK((TestViewType<int8_t,
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Create<JS_NewInt8Array, 33>,
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JS_GetObjectAsInt8Array,
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js::Scalar::Int8,
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33, 33>(cx)));
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CHECK((TestViewType<uint8_t,
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Create<JS_NewUint8ClampedArray, 7>,
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JS_GetObjectAsUint8ClampedArray,
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js::Scalar::Uint8Clamped,
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7, 7>(cx)));
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CHECK((TestViewType<uint16_t,
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Create<JS_NewUint16Array, 3>,
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JS_GetObjectAsUint16Array,
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js::Scalar::Uint16,
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3, 6>(cx)));
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CHECK((TestViewType<int16_t,
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Create<JS_NewInt16Array, 17>,
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JS_GetObjectAsInt16Array,
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js::Scalar::Int16,
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17, 34>(cx)));
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CHECK((TestViewType<uint32_t,
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Create<JS_NewUint32Array, 15>,
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JS_GetObjectAsUint32Array,
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js::Scalar::Uint32,
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15, 60>(cx)));
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CHECK((TestViewType<int32_t,
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Create<JS_NewInt32Array, 8>,
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JS_GetObjectAsInt32Array,
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js::Scalar::Int32,
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8, 32>(cx)));
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CHECK((TestViewType<float,
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Create<JS_NewFloat32Array, 7>,
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JS_GetObjectAsFloat32Array,
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js::Scalar::Float32,
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7, 28>(cx)));
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CHECK((TestViewType<double,
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Create<JS_NewFloat64Array, 9>,
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JS_GetObjectAsFloat64Array,
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js::Scalar::Float64,
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9, 72>(cx)));
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CHECK((TestViewType<uint8_t,
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CreateDataView,
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JS_GetObjectAsArrayBufferView,
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js::Scalar::MaxTypedArrayViewType,
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8, 8>(cx)));
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JS::Rooted<JS::Value> hasTypedObject(cx);
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EVAL("typeof TypedObject !== 'undefined'", &hasTypedObject);
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if (hasTypedObject.isTrue()) {
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JS::Rooted<JS::Value> tval(cx);
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EVAL("var T = new TypedObject.StructType({ x: TypedObject.uint32 });\n"
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"new T(new ArrayBuffer(4));",
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&tval);
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JS::Rooted<JSObject*> tobj(cx, &tval.toObject());
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CHECK(!JS_IsArrayBufferViewObject(tobj));
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}
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return true;
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}
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static JSObject*
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CreateDataView(JSContext* cx)
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{
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JS::Rooted<JSObject*> buffer(cx, JS_NewArrayBuffer(cx, 8));
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if (!buffer)
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return nullptr;
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return JS_NewDataView(cx, buffer, 0, 8);
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}
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template<JSObject * CreateTypedArray(JSContext* cx, uint32_t length),
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size_t Length>
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static JSObject*
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Create(JSContext* cx)
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{
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return CreateTypedArray(cx, Length);
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}
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template<typename T,
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JSObject * CreateViewType(JSContext* cx),
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JSObject * GetObjectAs(JSObject* obj, uint32_t* length, bool* isSharedMemory, T** data),
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js::Scalar::Type ExpectedType,
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uint32_t ExpectedLength,
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uint32_t ExpectedByteLength>
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bool TestViewType(JSContext* cx)
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{
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JS::Rooted<JSObject*> obj(cx, CreateViewType(cx));
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CHECK(obj);
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CHECK(JS_IsArrayBufferViewObject(obj));
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CHECK(JS_GetArrayBufferViewType(obj) == ExpectedType);
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CHECK(JS_GetArrayBufferViewByteLength(obj) == ExpectedByteLength);
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{
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JS::AutoCheckCannotGC nogc;
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bool shared1;
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T* data1 = static_cast<T*>(JS_GetArrayBufferViewData(obj, &shared1, nogc));
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T* data2;
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bool shared2;
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uint32_t len;
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CHECK(obj == GetObjectAs(obj, &len, &shared2, &data2));
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CHECK(data1 == data2);
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CHECK(shared1 == shared2);
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CHECK(len == ExpectedLength);
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}
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JS::CompartmentOptions options;
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JS::RootedObject otherGlobal(cx, JS_NewGlobalObject(cx, basicGlobalClass(), nullptr,
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JS::DontFireOnNewGlobalHook, options));
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CHECK(otherGlobal);
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JS::Rooted<JSObject*> buffer(cx);
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{
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AutoCompartment ac(cx, otherGlobal);
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buffer = JS_NewArrayBuffer(cx, 8);
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CHECK(buffer);
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CHECK(buffer->as<ArrayBufferObject>().byteLength() == 8);
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}
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CHECK(buffer->compartment() == otherGlobal->compartment());
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CHECK(JS_WrapObject(cx, &buffer));
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CHECK(buffer->compartment() == global->compartment());
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JS::Rooted<JSObject*> dataview(cx, JS_NewDataView(cx, buffer, 4, 4));
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CHECK(dataview);
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CHECK(dataview->is<ProxyObject>());
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JS::Rooted<JS::Value> val(cx);
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val = ObjectValue(*dataview);
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CHECK(JS_SetProperty(cx, global, "view", val));
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EVAL("view.buffer", &val);
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CHECK(val.toObject().is<ProxyObject>());
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CHECK(dataview->compartment() == global->compartment());
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JS::Rooted<JSObject*> otherView(cx, js::UncheckedUnwrap(dataview));
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CHECK(otherView->compartment() == otherGlobal->compartment());
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JS::Rooted<JSObject*> otherBuffer(cx, js::UncheckedUnwrap(&val.toObject()));
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CHECK(otherBuffer->compartment() == otherGlobal->compartment());
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EVAL("Object.getPrototypeOf(view) === DataView.prototype", &val);
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CHECK(val.toBoolean() == true);
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return true;
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}
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END_TEST(testArrayBufferView_type)
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