116 lines
6.2 KiB
C++
116 lines
6.2 KiB
C++
//* Copyright 2017 The Dawn Authors
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//*
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//* Licensed under the Apache License, Version 2.0 (the "License");
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//* you may not use this file except in compliance with the License.
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//* You may obtain a copy of the License at
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//*
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//* http://www.apache.org/licenses/LICENSE-2.0
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//*
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//* Unless required by applicable law or agreed to in writing, software
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//* distributed under the License is distributed on an "AS IS" BASIS,
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//* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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//* See the License for the specific language governing permissions and
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//* limitations under the License.
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#ifndef MOCK_NXT_H
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#define MOCK_NXT_H
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#include <gmock/gmock.h>
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#include <dawn/dawn.h>
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#include <memory>
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// An abstract base class representing a proc table so that API calls can be mocked. Most API calls
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// are directly represented by a delete virtual method but others need minimal state tracking to be
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// useful as mocks.
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class ProcTableAsClass {
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public:
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virtual ~ProcTableAsClass();
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void GetProcTableAndDevice(nxtProcTable* table, nxtDevice* device);
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// Creates an object that can be returned by a mocked call as in WillOnce(Return(foo)).
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// It returns an object of the write type that isn't equal to any previously returned object.
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// Otherwise some mock expectation could be triggered by two different objects having the same
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// value.
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{% for type in by_category["object"] %}
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{{as_cType(type.name)}} GetNew{{type.name.CamelCase()}}();
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{% endfor %}
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{% for type in by_category["object"] %}
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{% for method in type.methods if len(method.arguments) < 10 %}
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virtual {{as_cType(method.return_type.name)}} {{as_MethodSuffix(type.name, method.name)}}(
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{{-as_cType(type.name)}} {{as_varName(type.name)}}
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{%- for arg in method.arguments -%}
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, {{as_annotated_cType(arg)}}
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{%- endfor -%}
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) = 0;
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{% endfor %}
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virtual void {{as_MethodSuffix(type.name, Name("reference"))}}({{as_cType(type.name)}} self) = 0;
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virtual void {{as_MethodSuffix(type.name, Name("release"))}}({{as_cType(type.name)}} self) = 0;
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// Stores callback and userdata and calls OnBuilderSetErrorCallback
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{% if type.is_builder %}
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void {{as_MethodSuffix(type.name, Name("set error callback"))}}({{as_cType(type.name)}} self, nxtBuilderErrorCallback callback, nxtCallbackUserdata userdata1, nxtCallbackUserdata userdata2);
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{% endif %}
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{% endfor %}
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// Stores callback and userdata and calls the On* methods
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void DeviceSetErrorCallback(nxtDevice self, nxtDeviceErrorCallback callback, nxtCallbackUserdata userdata);
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void BufferMapReadAsync(nxtBuffer self, uint32_t start, uint32_t size, nxtBufferMapReadCallback callback, nxtCallbackUserdata userdata);
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void BufferMapWriteAsync(nxtBuffer self, uint32_t start, uint32_t size, nxtBufferMapWriteCallback callback, nxtCallbackUserdata userdata);
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// Special cased mockable methods
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virtual void OnDeviceSetErrorCallback(nxtDevice device, nxtDeviceErrorCallback callback, nxtCallbackUserdata userdata) = 0;
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virtual void OnBuilderSetErrorCallback(nxtBufferBuilder builder, nxtBuilderErrorCallback callback, nxtCallbackUserdata userdata1, nxtCallbackUserdata userdata2) = 0;
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virtual void OnBufferMapReadAsyncCallback(nxtBuffer buffer, uint32_t start, uint32_t size, nxtBufferMapReadCallback callback, nxtCallbackUserdata userdata) = 0;
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virtual void OnBufferMapWriteAsyncCallback(nxtBuffer buffer, uint32_t start, uint32_t size, nxtBufferMapWriteCallback callback, nxtCallbackUserdata userdata) = 0;
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// Calls the stored callbacks
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void CallDeviceErrorCallback(nxtDevice device, const char* message);
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void CallBuilderErrorCallback(void* builder , nxtBuilderErrorStatus status, const char* message);
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void CallMapReadCallback(nxtBuffer buffer, nxtBufferMapAsyncStatus status, const void* data);
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void CallMapWriteCallback(nxtBuffer buffer, nxtBufferMapAsyncStatus status, void* data);
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struct Object {
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ProcTableAsClass* procs = nullptr;
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nxtDeviceErrorCallback deviceErrorCallback = nullptr;
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nxtBuilderErrorCallback builderErrorCallback = nullptr;
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nxtBufferMapReadCallback mapReadCallback = nullptr;
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nxtBufferMapWriteCallback mapWriteCallback = nullptr;
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nxtCallbackUserdata userdata1 = 0;
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nxtCallbackUserdata userdata2 = 0;
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};
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private:
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// Remembers the values returned by GetNew* so they can be freed.
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std::vector<std::unique_ptr<Object>> mObjects;
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};
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class MockProcTable : public ProcTableAsClass {
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public:
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{% for type in by_category["object"] %}
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{% for method in type.methods if len(method.arguments) < 10 %}
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MOCK_METHOD{{len(method.arguments) + 1}}(
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{{-as_MethodSuffix(type.name, method.name)}},
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{{as_cType(method.return_type.name)}}(
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{{-as_cType(type.name)}} {{as_varName(type.name)}}
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{%- for arg in method.arguments -%}
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, {{as_annotated_cType(arg)}}
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{%- endfor -%}
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));
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{% endfor %}
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MOCK_METHOD1({{as_MethodSuffix(type.name, Name("reference"))}}, void({{as_cType(type.name)}} self));
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MOCK_METHOD1({{as_MethodSuffix(type.name, Name("release"))}}, void({{as_cType(type.name)}} self));
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{% endfor %}
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MOCK_METHOD3(OnDeviceSetErrorCallback, void(nxtDevice device, nxtDeviceErrorCallback callback, nxtCallbackUserdata userdata));
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MOCK_METHOD4(OnBuilderSetErrorCallback, void(nxtBufferBuilder builder, nxtBuilderErrorCallback callback, nxtCallbackUserdata userdata1, nxtCallbackUserdata userdata2));
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MOCK_METHOD5(OnBufferMapReadAsyncCallback, void(nxtBuffer buffer, uint32_t start, uint32_t size, nxtBufferMapReadCallback callback, nxtCallbackUserdata userdata));
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MOCK_METHOD5(OnBufferMapWriteAsyncCallback, void(nxtBuffer buffer, uint32_t start, uint32_t size, nxtBufferMapWriteCallback callback, nxtCallbackUserdata userdata));
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};
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#endif // MOCK_NXT_H
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