createApplicationInstance.java

	/**
	 * Creating a instance by using FEST Reflection for testing of Swing Application Framework
	 * require import static org.fest.reflect.core.Reflection.*;
	 */
	protected static <C extends Application> C createApplicationInstance(Class<C> appClass, String[] args) {
		C application = 
			staticMethod("create")
				.withReturnType(appClass)
				.withParameterTypes(Class.class)
				.in(appClass)
				.invoke(appClass);
		
		method("initialize")
			.withParameterTypes(String[].class)
			.in(application)
			.invoke((Object)args);
		
		method("startup").in(application).invoke();
		
		return application;
	}

Usage:

private static MyApplication application;

@BeforeClass
public static void setUpBeforeClass() {
    final String[] args = new String[]{};
    application = GuiActionRunner.execute(new GuiQuery<MyApplication>(){
        protected MyApplication executeInEDT() throws Throwable {
            MyApplication application = 
                createApplicationInstance(MyApplication.class, args);

            // Remove slashes if you like.
            //method("waitForReady").in(application).invoke();
            return application;
        }}
    );
}