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Viewing changes to tests/test_launcher.cpp

Switch between windows using mouse wheel. Fixes: https://bugs.launchpad.net/bugs/1081843.

Approved by PS Jenkins bot, Brandon Schaefer.

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Lines of Context:
tests/test_launcher.cpp
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  MOCK_METHOD1(ShouldHighlightOnDrag, bool(DndData const&));
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  MOCK_METHOD1(Stick, void(bool));
 
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  MOCK_METHOD2(PerformScroll, void(ScrollDirection, Time));
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};
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}
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    using Launcher::ProcessDndLeave;
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    using Launcher::ProcessDndMove;
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    using Launcher::ProcessDndDrop;
 
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    using Launcher::_drag_icon_position;
 
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    using Launcher::_icon_under_mouse;
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    using Launcher::IconStartingBlinkValue;
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    using Launcher::IconStartingPulseValue;
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    using Launcher::HandleBarrierEvent;
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    using Launcher::SetHidden;
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    using Launcher::_drag_icon_position;
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    void FakeProcessDndMove(int x, int y, std::list<std::string> uris)
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TEST_F(TestLauncher, TestMouseWheelScroll)
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{
 
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  MockMockLauncherIcon::Ptr icon(new MockMockLauncherIcon);
 
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  model_->AddIcon(icon);
 
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  launcher_->SetHover(true);
 
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  launcher_->_icon_under_mouse = icon;
 
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  unsigned long key_flags = 0; 
 
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  EXPECT_CALL(*icon, PerformScroll(AbstractLauncherIcon::ScrollDirection::UP, _));
 
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  launcher_->RecvMouseWheel(0, 0, 20, 0, key_flags);
 
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  EXPECT_CALL(*icon, PerformScroll(AbstractLauncherIcon::ScrollDirection::DOWN, _));
 
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  launcher_->RecvMouseWheel(0, 0, -20, 0, key_flags);
 
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  launcher_->SetHover(false);
 
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}
 
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TEST_F(TestLauncher, TestMouseWheelScrollAltPressed)
 
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{
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  int initial_scroll_delta;
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  launcher_->SetHover(true);
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  key_flags |= nux::NUX_STATE_ALT;
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  // scroll down
 
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  // scroll down 
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  launcher_->RecvMouseWheel(0, 0, 20, 0, key_flags);
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  EXPECT_EQ((launcher_->GetDragDelta() - initial_scroll_delta), 25);
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  // scroll up
 
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  // scroll up - alt pressed
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  launcher_->RecvMouseWheel(0, 0, -20, 0, key_flags);
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  EXPECT_EQ(launcher_->GetDragDelta(), initial_scroll_delta);
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