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  • Committer: Package Import Robot
  • Author(s): Ubuntu daily release
  • Date: 2014-03-10 19:28:46 UTC
  • mto: This revision was merged to the branch mainline in revision 63.
  • Revision ID: package-import@ubuntu.com-20140310192846-rq9qm3ec26yrelo2
Tags: upstream-0.1.6+14.04.20140310
Import upstream version 0.1.6+14.04.20140310

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tests/unit-tests/compositor/test_screencast_display_buffer.cpp
 
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/*
 
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 * Copyright © 2014 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: Alexandros Frantzis <alexandros.frantzis@canonical.com>
 
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 */
 
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#include "src/server/compositor/screencast_display_buffer.h"
 
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#include "mir_test_doubles/mock_buffer.h"
 
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#include "mir_test_doubles/stub_buffer.h"
 
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#include "mir_test_doubles/mock_gl.h"
 
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#include "mir_test_doubles/stub_renderable.h"
 
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#include <gtest/gtest.h>
 
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#include <gmock/gmock.h>
 
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namespace mc = mir::compositor;
 
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namespace mtd = mir::test::doubles;
 
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namespace geom = mir::geometry;
 
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namespace mg = mir::graphics;
 
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namespace
 
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{
 
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struct MockRenderFunctor
 
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{
 
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    void operator()(mg::Renderable const& r)
 
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    {
 
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        operator_call(&r);
 
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    }
 
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    MOCK_METHOD1(operator_call, void(mg::Renderable const*));
 
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};
 
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struct ScreencastDisplayBufferTest : testing::Test
 
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{
 
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    testing::NiceMock<mtd::MockGL> mock_gl;
 
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};
 
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}
 
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TEST_F(ScreencastDisplayBufferTest, cleans_up_gl_resources)
 
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{
 
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    using namespace testing;
 
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    GLuint const texture{11};
 
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    GLuint const renderbuffer{12};
 
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    GLuint const framebuffer{13};
 
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    EXPECT_CALL(mock_gl, glGenTextures(1,_))
 
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        .WillOnce(SetArgPointee<1>(texture));
 
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    EXPECT_CALL(mock_gl, glGenRenderbuffers(1,_))
 
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        .WillOnce(SetArgPointee<1>(renderbuffer));
 
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    EXPECT_CALL(mock_gl, glGenFramebuffers(1,_))
 
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        .WillOnce(SetArgPointee<1>(framebuffer));
 
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    EXPECT_CALL(mock_gl, glDeleteTextures(1,Pointee(texture)));
 
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    EXPECT_CALL(mock_gl, glDeleteRenderbuffers(1,Pointee(renderbuffer)));
 
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    EXPECT_CALL(mock_gl, glDeleteFramebuffers(1,Pointee(framebuffer)));
 
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    geom::Rectangle const rect{{100,100}, {800,600}};
 
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    mtd::StubBuffer stub_buffer;
 
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    mc::ScreencastDisplayBuffer db{rect, stub_buffer};
 
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}
 
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TEST_F(ScreencastDisplayBufferTest, cleans_up_gl_resources_on_construction_failure)
 
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{
 
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    using namespace testing;
 
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    GLuint const texture{11};
 
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    GLuint const renderbuffer{12};
 
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    GLuint const framebuffer{13};
 
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    EXPECT_CALL(mock_gl, glGenTextures(1,_))
 
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        .WillOnce(SetArgPointee<1>(texture));
 
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    EXPECT_CALL(mock_gl, glGenRenderbuffers(1,_))
 
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        .WillOnce(SetArgPointee<1>(renderbuffer));
 
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    EXPECT_CALL(mock_gl, glGenFramebuffers(1,_))
 
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        .WillOnce(SetArgPointee<1>(framebuffer));
 
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    EXPECT_CALL(mock_gl, glCheckFramebufferStatus(_))
 
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        .WillOnce(Return(GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT));
 
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    EXPECT_CALL(mock_gl, glDeleteTextures(1,Pointee(texture)));
 
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    EXPECT_CALL(mock_gl, glDeleteRenderbuffers(1,Pointee(renderbuffer)));
 
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    EXPECT_CALL(mock_gl, glDeleteFramebuffers(1,Pointee(framebuffer)));
 
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    geom::Rectangle const rect{{100,100}, {800,600}};
 
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    mtd::StubBuffer stub_buffer;
 
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    EXPECT_THROW({
 
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        mc::ScreencastDisplayBuffer db(rect, stub_buffer);
 
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    }, std::runtime_error);
 
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}
 
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TEST_F(ScreencastDisplayBufferTest, renders_to_supplied_buffer)
 
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{
 
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    using namespace testing;
 
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    geom::Rectangle const rect{{100,100}, {800,600}};
 
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    testing::NiceMock<mtd::MockBuffer> mock_buffer{
 
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        rect.size, geom::Stride{100}, mir_pixel_format_xbgr_8888};
 
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    InSequence s;
 
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    /* Set the buffer as rendering target */
 
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    EXPECT_CALL(mock_buffer, bind_to_texture());
 
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    EXPECT_CALL(mock_gl,
 
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                glViewport(0, 0,
 
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                           mock_buffer.size().width.as_int(),
 
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                           mock_buffer.size().height.as_int()));
 
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    /* Restore previous viewport on exit */
 
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    EXPECT_CALL(mock_gl, glViewport(0, 0, 0, 0));
 
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    mc::ScreencastDisplayBuffer db{rect, mock_buffer};
 
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    db.make_current();
 
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}
 
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TEST_F(ScreencastDisplayBufferTest, forces_rendering_to_complete_on_post_update)
 
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{
 
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    using namespace testing;
 
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    geom::Rectangle const rect{{100,100}, {800,600}};
 
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    mtd::StubBuffer stub_buffer;
 
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    mc::ScreencastDisplayBuffer db{rect, stub_buffer};
 
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    Mock::VerifyAndClearExpectations(&mock_gl);
 
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    EXPECT_CALL(mock_gl, glFinish());
 
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    db.post_update();
 
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}
 
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TEST_F(ScreencastDisplayBufferTest, renders_renderables_on_render_and_post_update)
 
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{
 
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    using namespace testing;
 
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    geom::Rectangle const rect{{100,100}, {800,600}};
 
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    mtd::StubBuffer stub_buffer;
 
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    std::list<std::shared_ptr<mg::Renderable>> renderables{
 
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        std::make_shared<mtd::StubRenderable>(),
 
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        std::make_shared<mtd::StubRenderable>(),
 
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        std::make_shared<mtd::StubRenderable>()};
 
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    mc::ScreencastDisplayBuffer db{rect, stub_buffer};
 
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    Mock::VerifyAndClearExpectations(&mock_gl);
 
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    MockRenderFunctor mock_render_functor;
 
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    InSequence s;
 
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    for (auto const& renderable : renderables)
 
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        EXPECT_CALL(mock_render_functor, operator_call(renderable.get()));
 
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    EXPECT_CALL(mock_gl, glFinish());
 
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    db.render_and_post_update(renderables, std::ref(mock_render_functor));
 
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}