Add a datechooser test

tests/Makefile.am

@@ -168,6 +168,7 @@ noinst_PROGRAMS =  $(TEST_PROGS)	\
 	testpopover			\
 	gdkgears			\
 	listmodel			\
+	testdatechooser			\
 	$(NULL)
 
 if USE_X11
@@ -308,6 +309,7 @@ testrevealer_DEPENDENCIES = $(TEST_DEPS)
 testtitlebar_DEPENDENCIES = $(TEST_DEPS)
 testwindowsize_DEPENDENCIES = $(TEST_DEPS)
 listmodel_DEPENDENCIES = $(TEST_DEPS)
+testdatechooser_DEPENDENCIES = $(TEST_DEPS)
 
 animated_resizing_SOURCES = 	\
 	animated-resizing.c	\
@@ -542,6 +544,8 @@ testglblending_SOURCES =	\
 
 listmodel_SOURCES = listmodel.c
 
+testdatechooser_SOURCES = testdatechooser.c
+
 EXTRA_DIST += 			\
 	gradient1.png		\
 	testgtk.1 		\

tests/testdatechooser.c

@@ -0,0 +1,54 @@
+#include <gtk/gtk.h>
+
+static const gchar css[] =
+".weekday {"
+"  background: darkgray;"
+"  padding-left: 6px;"
+"  padding-right: 6px;"
+"}"
+".weeknum {"
+"  background: darkgray;"
+"  padding-top: 6px;"
+"  padding-bottom: 6px;"
+"}"
+".day {"
+"  margin: 6px;"
+"}"
+".day.other-month {"
+"  color: gray;"
+"}"
+".day:selected {"
+"  background: @theme_selected_bg_color;"
+"}";
+
+int
+main (int argc, char *argv[])
+{
+  GtkWidget *window, *calendar;
+  GtkCssProvider *provider;
+  GError *error = NULL;
+
+  gtk_init (NULL, NULL);
+
+  provider = gtk_css_provider_new ();
+  gtk_css_provider_load_from_data (provider, css, sizeof (css), &error);
+  if (error)
+    {
+      g_print ("%s", error->message);
+      g_error_free (error);
+    }
+  gtk_style_context_add_provider_for_screen (gdk_screen_get_default (),
+                                             GTK_STYLE_PROVIDER (provider), 800);
+
+  window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
+
+  calendar = gtk_date_chooser_widget_new ();
+
+  gtk_container_add (GTK_CONTAINER (window), calendar);
+
+  gtk_widget_show_all (window);
+
+  gtk_main ();
+
+  return 0;
+}