Testing: GTK+ 4 Reference Manual

## Testing Testing — Utilities for testing GTK+ applications |

## Functions

void | gtk_test_init ()
const GType * | gtk_test_list_all_types ()
void | gtk_test_register_all_types ()
void | gtk_test_widget_wait_for_draw ()

## Includes

    #include <gtk/gtk.h>

## Description

## Functions

### gtk_test_init ()

    void
    gtk_test_init (int *argcp,
                   char ***argvp,
                   ...);

This function is used to initialize a GTK+ test program.

It will in turn call `g_test_init()` and `gtk_init()` to properly initialize the testing framework and graphical toolkit. It’ll also set the program’s locale to “C” and prevent loading of rc files and Gtk+ modules. This is done to make tets program environments as deterministic as possible.

Like `gtk_init()` and `g_test_init()`, any known arguments will be processed and stripped from `argc` and `argv` .

#### Parameters

argcp | Address of the `argc` parameter of the `main()` function. Changed if any arguments were handled. |
argvp | Address of the `argv` parameter of `main()`. Any parameters understood by `g_test_init()` or `gtk_init()` are stripped before return. | [inout][array length=argcp]
... | currently unused |

Since: 2.14

### gtk_test_list_all_types ()

    const GType *
    gtk_test_list_all_types (guint *n_types);

Return the type ids that have been registered after calling `gtk_test_register_all_types()`.

#### Parameters

n_types | location to store number of types |

#### Returns

0-terminated array of type ids.

[array length=n_types zero-terminated=1][transfer none]

Since: 2.14

### gtk_test_register_all_types ()

    void
    gtk_test_register_all_types (void);

Force registration of all core Gtk+ and Gdk object types. This allowes to refer to any of those object types via `g_type_from_name()` after calling this function.

Since: 2.14

### gtk_test_widget_wait_for_draw ()

    void
    gtk_test_widget_wait_for_draw (GtkWidget *widget);

Enters the main loop and waits for `widget` to be “drawn”. In this context that means it waits for the frame clock of `widget` to have run a full styling, layout and drawing cycle.

This function is intended to be used for syncing with actions that depend on `widget` relayouting or on interaction with the display server.

#### Parameters

widget | the widget to wait for |

Since: 3.10

## Types and Values