callbackcontainer.test.cpp File Reference

Implements class CLASS? More...

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Classes
class	CallbackContainerTest
	Testing CallbackContainer class. More...

Functions
	TEST_F (CallbackContainerTest, singleWidget)
	Callback container notifies single widget. Check if removal of widget disables notifications. More...
	TEST_F (CallbackContainerTest, twoParameters)
	Callback function with two parameters. More...
	TEST_F (CallbackContainerTest, twoWidgets)
	Callback container notifies two widgets. More...

Detailed Description

Implements class CLASS?

Homepage:\n http://www.bornagainproject.org

License:\n GNU General Public License v3 or higher (see COPYING)

Copyright

Forschungszentrum Jülich GmbH 2020

Authors

Gennady Pospelov et al, Scientific Computing Group at MLZ (see CITATION, AUTHORS)

Definition in file callbackcontainer.test.cpp.

Function Documentation

TEST_F() [1/3]

TEST_F	(	CallbackContainerTest	,
		singleWidget
	)

Callback container notifies single widget. Check if removal of widget disables notifications.

Definition at line 36 of file callbackcontainer.test.cpp.

{
    CallbackMockWidget widget;
    Signal<Callbacks::item_t> signal;
 
    signal.connect(std::bind(&CallbackMockWidget::onItemDestroy, &widget, std::placeholders::_1),
                   &widget);
 
    std::unique_ptr<SessionItem> item(new SessionItem);
    EXPECT_CALL(widget, onItemDestroy(item.get())).Times(1);
 
    // perform action
    signal(item.get());
 
    // removing client
    signal.remove_client(&widget);
    EXPECT_CALL(widget, onItemDestroy(_)).Times(0);
 
    // perform action
    signal(item.get());
}

References ModelView::SignalBase< T, U >::connect(), and ModelView::SignalBase< T, U >::remove_client().

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TEST_F() [2/3]

TEST_F	(	CallbackContainerTest	,
		twoParameters
	)

Callback function with two parameters.

Definition at line 88 of file callbackcontainer.test.cpp.

{
    CallbackMockWidget widget1, widget2;
    Signal<Callbacks::item_int_t> signal;
 
    signal.connect([&](SessionItem* item, int role) { widget1.onDataChange(item, role); },
                   &widget1);
 
    signal.connect([&](SessionItem* item, int role) { widget2.onDataChange(item, role); },
                   &widget2);
 
    int expected_role = 42;
    std::unique_ptr<SessionItem> item(new SessionItem);
    EXPECT_CALL(widget1, onDataChange(item.get(), expected_role)).Times(1);
    EXPECT_CALL(widget2, onDataChange(item.get(), expected_role)).Times(1);
 
    // perform action
    signal(item.get(), expected_role);
 
    // removing one of client
    signal.remove_client(&widget1);
    EXPECT_CALL(widget1, onDataChange(_, _)).Times(0);
    EXPECT_CALL(widget2, onDataChange(item.get(), expected_role)).Times(1);
 
    // perform action
    signal(item.get(), expected_role);
}

References ModelView::SignalBase< T, U >::connect(), and ModelView::SignalBase< T, U >::remove_client().

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TEST_F() [3/3]

TEST_F	(	CallbackContainerTest	,
		twoWidgets
	)

Callback container notifies two widgets.

Check if one widget is removed, the second is still notified.

Definition at line 61 of file callbackcontainer.test.cpp.

{
    CallbackMockWidget widget1, widget2;
    Signal<Callbacks::item_t> signal;
 
    signal.connect([&](SessionItem* item) { widget1.onItemDestroy(item); }, &widget1);
 
    signal.connect([&](SessionItem* item) { widget2.onItemDestroy(item); }, &widget2);
 
    std::unique_ptr<SessionItem> item(new SessionItem);
    EXPECT_CALL(widget1, onItemDestroy(item.get())).Times(1);
    EXPECT_CALL(widget2, onItemDestroy(item.get())).Times(1);
 
    // perform action
    signal(item.get());
 
    // removing one of client
    signal.remove_client(&widget1);
    EXPECT_CALL(widget1, onItemDestroy(_)).Times(0);
    EXPECT_CALL(widget2, onItemDestroy(item.get())).Times(1);
 
    // perform action
    signal(item.get());
}

References ModelView::SignalBase< T, U >::connect(), and ModelView::SignalBase< T, U >::remove_client().

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