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Viewing changes to tests/unit-tests/client/mesa/test_client_buffer.cpp

  • Committer: Package Import Robot
  • Author(s): Ubuntu daily release
  • Date: 2014-01-08 02:04:38 UTC
  • mto: This revision was merged to the branch mainline in revision 58.
  • Revision ID: package-import@ubuntu.com-20140108020438-e1npu0pm7qdv5wc4
Tags: upstream-0.1.3+14.04.20140108
Import upstream version 0.1.3+14.04.20140108

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tests/unit-tests/client/mesa/test_client_buffer.cpp
 
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/*
 
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 * Copyright © 2012 Canonical Ltd.
 
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 *
 
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 * This program is free software: you can redistribute it and/or modify
 
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 * it under the terms of the GNU General Public License version 3 as
 
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 * published by the Free Software Foundation.
 
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 *
 
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 * This program is distributed in the hope that it will be useful,
 
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
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 * GNU General Public License for more details.
 
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 *
 
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 * You should have received a copy of the GNU General Public License
 
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 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
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 *
 
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 * Authored by: Kevin DuBois <kevin.dubois@canonical.com>
 
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 */
 
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#include "mir_toolkit/mir_client_library.h"
 
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#include "src/client/mesa/client_buffer.h"
 
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#include "src/client/mesa/client_buffer_factory.h"
 
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#include "src/client/mesa/buffer_file_ops.h"
 
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#include <sys/mman.h>
 
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#include <gmock/gmock.h>
 
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#include <gtest/gtest.h>
 
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#include <stdexcept>
 
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namespace geom=mir::geometry;
 
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namespace mclg=mir::client::mesa;
 
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namespace
 
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{
 
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class MockBufferFileOps : public mclg::BufferFileOps
 
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{
 
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public:
 
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    MOCK_CONST_METHOD1(close, int(int fd));
 
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    MOCK_CONST_METHOD3(map, void*(int fd, off_t offset, size_t size));
 
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    MOCK_CONST_METHOD2(unmap, void(void* addr, size_t size));
 
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};
 
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struct MesaClientBufferTest : public testing::Test
 
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{
 
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    void SetUp()
 
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    {
 
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        width = geom::Width(12);
 
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        height =geom::Height(14);
 
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        stride = geom::Stride(66);
 
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        pf = mir_pixel_format_abgr_8888;
 
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        size = geom::Size{width, height};
 
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        buffer_file_ops = std::make_shared<testing::NiceMock<MockBufferFileOps>>();
 
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        package = std::make_shared<MirBufferPackage>();
 
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        package->fd[0] = 167;
 
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        package->fd_items = 1;
 
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        package->stride = stride.as_uint32_t();
 
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        package->width = width.as_int();
 
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        package->height = height.as_int();
 
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        package_copy = std::make_shared<MirBufferPackage>(*package.get());
 
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    }
 
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    geom::Width width;
 
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    geom::Height height;
 
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    geom::Stride stride;
 
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    MirPixelFormat pf;
 
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    geom::Size size;
 
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    std::shared_ptr<testing::NiceMock<MockBufferFileOps>> buffer_file_ops;
 
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    std::shared_ptr<MirBufferPackage> package;
 
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    std::shared_ptr<MirBufferPackage> package_copy;
 
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};
 
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}
 
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TEST_F(MesaClientBufferTest, width_and_height)
 
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{
 
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    using namespace testing;
 
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    mclg::ClientBuffer buffer(buffer_file_ops, package, size, pf);
 
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    EXPECT_EQ(buffer.size().height, height);
 
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    EXPECT_EQ(buffer.size().width, width);
 
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    EXPECT_EQ(buffer.pixel_format(), pf);
 
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}
 
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TEST_F(MesaClientBufferTest, buffer_returns_correct_stride)
 
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{
 
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    using namespace testing;
 
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    mclg::ClientBuffer buffer(buffer_file_ops, package, size, pf);
 
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    EXPECT_EQ(buffer.stride(), stride);
 
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}
 
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TEST_F(MesaClientBufferTest, buffer_returns_set_package)
 
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{
 
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    using namespace testing;
 
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    mclg::ClientBuffer buffer(buffer_file_ops, package, size, pf);
 
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    auto package_return = buffer.native_buffer_handle();
 
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    EXPECT_EQ(package_return->data_items, package_copy->data_items);
 
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    EXPECT_EQ(package_return->fd_items, package_copy->fd_items);
 
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    EXPECT_EQ(package_return->stride, package_copy->stride);
 
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    for (auto i=0; i<mir_buffer_package_max; i++)
 
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        EXPECT_EQ(package_return->data[i], package_copy->data[i]);
 
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    for (auto i=0; i<mir_buffer_package_max; i++)
 
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        EXPECT_EQ(package_return->fd[i], package_copy->fd[i]);
 
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}
 
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TEST_F(MesaClientBufferTest, secure_for_cpu_write_maps_buffer_fd)
 
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{
 
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    using namespace testing;
 
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    void *map_addr{reinterpret_cast<void*>(0xabcdef)};
 
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    EXPECT_CALL(*buffer_file_ops, map(package->fd[0],_,_))
 
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        .WillOnce(Return(map_addr));
 
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    EXPECT_CALL(*buffer_file_ops, unmap(map_addr,_))
 
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        .Times(1);
 
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    EXPECT_CALL(*buffer_file_ops, close(package->fd[0]))
 
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        .Times(1);
 
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    mclg::ClientBuffer buffer(buffer_file_ops, package, size, pf);
 
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    auto mem_region = buffer.secure_for_cpu_write();
 
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    ASSERT_EQ(map_addr, mem_region->vaddr.get());
 
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    ASSERT_EQ(width, mem_region->width);
 
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    ASSERT_EQ(height, mem_region->height);
 
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    ASSERT_EQ(stride, mem_region->stride);
 
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    ASSERT_EQ(pf, mem_region->format);
 
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}
 
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TEST_F(MesaClientBufferTest, secure_for_cpu_write_throws_on_map_failure)
 
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{
 
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    using namespace testing;
 
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    EXPECT_CALL(*buffer_file_ops, map(package->fd[0],_,_))
 
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        .WillOnce(Return(MAP_FAILED));
 
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    EXPECT_CALL(*buffer_file_ops, unmap(_,_))
 
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        .Times(0);
 
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    EXPECT_CALL(*buffer_file_ops, close(package->fd[0]))
 
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        .Times(1);
 
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    mclg::ClientBuffer buffer(buffer_file_ops, package, size, pf);
 
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    EXPECT_THROW({
 
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        auto mem_region = buffer.secure_for_cpu_write();
 
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    }, std::runtime_error);
 
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}
 
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TEST_F(MesaClientBufferTest, buffer_fd_closed_on_buffer_destruction)
 
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{
 
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    using namespace testing;
 
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    EXPECT_CALL(*buffer_file_ops, close(package->fd[0]))
 
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        .Times(1);
 
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    mclg::ClientBuffer buffer(buffer_file_ops, package, size, pf);
 
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}
 
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TEST_F(MesaClientBufferTest, factory_gets_size_from_package)
 
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{
 
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    using namespace testing;
 
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    mclg::ClientBufferFactory factory(buffer_file_ops);
 
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    geom::Size unused_size{0, 0};
 
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    auto buffer = factory.create_buffer(package, unused_size, pf);
 
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    auto const& buf_size = buffer->size();
 
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    EXPECT_EQ(package->width, buf_size.width.as_int());
 
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    EXPECT_EQ(package->height, buf_size.height.as_int());
 
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    EXPECT_NE(unused_size, buf_size);
 
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}