[gtk+] Add some spinbutton tests

[Matthias Clasen <matthiasc src gnome org>]

commit ec2bc3faceb17412704d6d04a21ae60c3eed2063
Author: Matthias Clasen <mclasen redhat com>
Date:   Thu Aug 14 00:04:10 2014 -0400

    Add some spinbutton tests
    
    These tests check some of the changes from the previous commits.

 testsuite/gtk/Makefile.am  |    1 +
 testsuite/gtk/spinbutton.c |  100 ++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 101 insertions(+), 0 deletions(-)
---
diff --git a/testsuite/gtk/Makefile.am b/testsuite/gtk/Makefile.am
index fbeaa54..0a3889d 100644
--- a/testsuite/gtk/Makefile.am
+++ b/testsuite/gtk/Makefile.am
@@ -57,6 +57,7 @@ TEST_PROGS +=                         \
        rbtree                  \
        recentmanager           \
        regression-tests        \
+       spinbutton              \
        stylecontext            \
        templates               \
        textbuffer              \
diff --git a/testsuite/gtk/spinbutton.c b/testsuite/gtk/spinbutton.c
new file mode 100644
index 0000000..ace411e
--- /dev/null
+++ b/testsuite/gtk/spinbutton.c
@@ -0,0 +1,100 @@
+#include <gtk/gtk.h>
+
+static gint value_changed_count;
+
+static void
+value_changed_cb (GtkSpinButton *spin)
+{
+  value_changed_count++;
+}
+
+static void
+test_value_changed (void)
+{
+  GtkWidget *spin;
+  GtkAdjustment *adj;
+
+  spin = gtk_spin_button_new_with_range (0.0, 10.0, 1.0);
+
+  g_signal_connect (spin, "value-changed", G_CALLBACK (value_changed_cb), NULL);
+
+  value_changed_count = 0;
+  gtk_spin_button_set_value (GTK_SPIN_BUTTON (spin), 1.0);
+  g_assert_cmpint (value_changed_count, ==, 1);
+  gtk_spin_button_set_value (GTK_SPIN_BUTTON (spin), 2.0);
+  g_assert_cmpint (value_changed_count, ==, 2);
+  gtk_spin_button_set_value (GTK_SPIN_BUTTON (spin), 2.0);
+  g_assert_cmpint (value_changed_count, ==, 2);
+
+  gtk_spin_button_spin (GTK_SPIN_BUTTON (spin), GTK_SPIN_STEP_FORWARD, 0.5);
+  g_assert_cmpint (value_changed_count, ==, 3);
+
+  gtk_spin_button_configure (GTK_SPIN_BUTTON (spin), NULL, 1.0, 0);
+  g_assert_cmpint (value_changed_count, ==, 4);
+
+  adj = gtk_spin_button_get_adjustment (GTK_SPIN_BUTTON (spin));
+  gtk_adjustment_set_value (adj, 0.0);
+  g_assert_cmpint (value_changed_count, ==, 5);
+}
+
+static gint adjustment_changed_count;
+
+static void
+adjustment_changed_cb (GObject *object, GParamSpec *pspec)
+{
+  adjustment_changed_count++;
+}
+
+static void
+test_adjustment_changed (void)
+{
+  GtkWidget *spin;
+  GtkAdjustment *adj;
+
+  spin = gtk_spin_button_new_with_range (0.0, 10.0, 1.0);
+
+  g_signal_connect (spin, "notify::adjustment", G_CALLBACK (adjustment_changed_cb), NULL);
+
+  adjustment_changed_count = 0;
+  adj = gtk_adjustment_new (50.0, 0.0, 100.0, 1.0, 1.0, 0.0);
+  gtk_spin_button_configure (GTK_SPIN_BUTTON (spin), adj, 1.0, 0);
+  g_assert_cmpint (adjustment_changed_count, ==, 1);
+
+  adj = gtk_adjustment_new (51.0, 1.0, 101.0, 1.0, 1.0, 0.0);
+  gtk_spin_button_set_adjustment (GTK_SPIN_BUTTON (spin), adj);
+  g_assert_cmpint (adjustment_changed_count, ==, 2);
+
+  gtk_spin_button_set_range (GTK_SPIN_BUTTON (spin), 2.0, 102.0);
+  g_assert_cmpint (adjustment_changed_count, ==, 2);
+}
+
+static void
+test_adjustment_null (void)
+{
+  GtkWidget *spin;
+  GtkAdjustment *adj;
+
+  spin = gtk_spin_button_new_with_range (0.0, 10.0, 1.0);
+
+  adj = gtk_spin_button_get_adjustment (GTK_SPIN_BUTTON (spin));
+  gtk_spin_button_configure (GTK_SPIN_BUTTON (spin), NULL, 1.0, 0);
+  g_assert (adj == gtk_spin_button_get_adjustment (GTK_SPIN_BUTTON (spin)));
+
+  gtk_spin_button_set_adjustment (GTK_SPIN_BUTTON (spin), NULL);
+  adj = gtk_spin_button_get_adjustment (GTK_SPIN_BUTTON (spin));
+  g_assert_cmpfloat (gtk_adjustment_get_lower (adj), ==, 0.0);
+  g_assert_cmpfloat (gtk_adjustment_get_value (adj), ==, 0.0);
+  g_assert_cmpfloat (gtk_adjustment_get_upper (adj), ==, 0.0);
+}
+
+int
+main (int argc, char *argv[])
+{
+  gtk_test_init (&argc, &argv);
+
+  g_test_add_func ("/spinbutton/value-changed", test_value_changed);
+  g_test_add_func ("/spinbutton/adjustment-changed", test_adjustment_changed);
+  g_test_add_func ("/spinbutton/adjustment-null", test_adjustment_null);
+
+  return g_test_run ();
+}