1 files changed, 93 insertions, 0 deletions
diff --git a/subprojects/libhandy/tests/test-deck.c b/subprojects/libhandy/tests/test-deck.c
new file mode 100644
index 0000000..e2c5677
--- /dev/null
+++ b/subprojects/libhandy/tests/test-deck.c
@@ -0,0 +1,93 @@
+/*
+ * Copyright (C) 2020 Alexander Mikhaylenko <alexm@gnome.org>
+ *
+ * SPDX-License-Identifier: LGPL-2.1+
+ */
+
+#include <handy.h>
+
+
+static void
+test_hdy_deck_adjacent_child (void)
+{
+  g_autoptr (HdyDeck) deck = NULL;
+  GtkWidget *children[2];
+  gint i;
+  GtkWidget *result;
+
+  deck = HDY_DECK (hdy_deck_new ());
+  g_assert_nonnull (deck);
+
+  for (i = 0; i < 2; i++) {
+    children[i] = gtk_label_new ("");
+    g_assert_nonnull (children[i]);
+
+    gtk_container_add (GTK_CONTAINER (deck), children[i]);
+  }
+
+  hdy_deck_set_visible_child (deck, children[0]);
+
+  result = hdy_deck_get_adjacent_child (deck, HDY_NAVIGATION_DIRECTION_BACK);
+  g_assert_null (result);
+
+  result = hdy_deck_get_adjacent_child (deck, HDY_NAVIGATION_DIRECTION_FORWARD);
+  g_assert_true (result == children[1]);
+
+  hdy_deck_set_visible_child (deck, children[1]);
+
+  result = hdy_deck_get_adjacent_child (deck, HDY_NAVIGATION_DIRECTION_BACK);
+  g_assert_true (result == children[0]);
+
+  result = hdy_deck_get_adjacent_child (deck, HDY_NAVIGATION_DIRECTION_FORWARD);
+  g_assert_null (result);
+}
+
+
+static void
+test_hdy_deck_navigate (void)
+{
+  g_autoptr (HdyDeck) deck = NULL;
+  GtkWidget *children[2];
+  gint i;
+  gboolean result;
+
+  deck = HDY_DECK (hdy_deck_new ());
+  g_assert_nonnull (deck);
+
+  for (i = 0; i < 2; i++) {
+    children[i] = gtk_label_new ("");
+    g_assert_nonnull (children[i]);
+
+    gtk_container_add (GTK_CONTAINER (deck), children[i]);
+  }
+
+  hdy_deck_set_visible_child (deck, children[0]);
+
+  result = hdy_deck_navigate (deck, HDY_NAVIGATION_DIRECTION_BACK);
+  g_assert_false (result);
+
+  result = hdy_deck_navigate (deck, HDY_NAVIGATION_DIRECTION_FORWARD);
+  g_assert_true (result);
+  g_assert_true (hdy_deck_get_visible_child (deck) == children[1]);
+
+  result = hdy_deck_navigate (deck, HDY_NAVIGATION_DIRECTION_FORWARD);
+  g_assert_false (result);
+
+  result = hdy_deck_navigate (deck, HDY_NAVIGATION_DIRECTION_BACK);
+  g_assert_true (result);
+  g_assert_true (hdy_deck_get_visible_child (deck) == children[0]);
+}
+
+
+gint
+main (gint argc,
+      gchar *argv[])
+{
+  gtk_test_init (&argc, &argv, NULL);
+  hdy_init ();
+
+  g_test_add_func ("/Handy/Deck/adjacent_child", test_hdy_deck_adjacent_child);
+  g_test_add_func ("/Handy/Deck/navigate", test_hdy_deck_navigate);
+
+  return g_test_run ();
+}