[gtk/wip/otte/listview: 890/1040] testsuite: Add expression tests

[Benjamin Otte <otte src gnome org>]

commit 9b775b92744e33783acc3cab9544266fa090b725
Author: Benjamin Otte <otte redhat com>
Date:   Thu Nov 21 06:02:56 2019 +0100

    testsuite: Add expression tests

 testsuite/gtk/expression.c | 134 +++++++++++++++++++++++++++++++++++++++++++++
 testsuite/gtk/meson.build  |   1 +
 2 files changed, 135 insertions(+)
---
diff --git a/testsuite/gtk/expression.c b/testsuite/gtk/expression.c
new file mode 100644
index 0000000000..8c6754fe63
--- /dev/null
+++ b/testsuite/gtk/expression.c
@@ -0,0 +1,134 @@
+/*
+ * Copyright © 2019 Benjamin Otte
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library. If not, see <http://www.gnu.org/licenses/>.
+ *
+ * Authors: Benjamin Otte <otte gnome org>
+ */
+
+#include <locale.h>
+
+#include <gtk/gtk.h>
+
+static void
+inc_counter (gpointer data)
+{
+  guint *counter = data;
+
+  *counter += 1;
+}
+
+static void
+test_property (void)
+{
+  GValue value = G_VALUE_INIT;
+  GtkExpression *expr;
+  GtkExpressionWatch *watch;
+  GtkStringFilter *filter;
+  guint counter = 0;
+
+  filter = GTK_STRING_FILTER (gtk_string_filter_new ());
+  expr = gtk_property_expression_new (GTK_TYPE_STRING_FILTER, NULL, "search");
+  watch = gtk_expression_watch (expr, filter, inc_counter, &counter, NULL);
+
+  g_assert (gtk_expression_evaluate (expr, filter, &value));
+  g_assert_cmpstr (g_value_get_string (&value), ==, NULL);
+  g_value_unset (&value);
+
+  gtk_string_filter_set_search (filter, "Hello World");
+  g_assert_cmpint (counter, ==, 1);
+  g_assert (gtk_expression_evaluate (expr, filter , &value));
+  g_assert_cmpstr (g_value_get_string (&value), ==, "Hello World");
+  g_value_unset (&value);
+
+  gtk_expression_unref (expr);
+  g_object_unref (filter);
+  gtk_expression_watch_unwatch (watch);
+}
+
+static char *
+print_filter_info (GtkStringFilter         *filter,
+                   const char              *search,
+                   gboolean                 ignore_case,
+                   GtkStringFilterMatchMode match_mode)
+{
+  g_assert_cmpstr (search, ==, gtk_string_filter_get_search (filter));
+  g_assert_cmpint (ignore_case, ==, gtk_string_filter_get_ignore_case (filter));
+  g_assert_cmpint (match_mode, ==, gtk_string_filter_get_match_mode (filter));
+
+  return g_strdup ("OK");
+}
+
+static void
+test_closure (void)
+{
+  GValue value = G_VALUE_INIT;
+  GtkExpression *expr, *pexpr[3];
+  GtkExpressionWatch *watch;
+  GtkStringFilter *filter;
+  guint counter = 0;
+
+  filter = GTK_STRING_FILTER (gtk_string_filter_new ());
+  pexpr[0] = gtk_property_expression_new (GTK_TYPE_STRING_FILTER, NULL, "search");
+  pexpr[1] = gtk_property_expression_new (GTK_TYPE_STRING_FILTER, NULL, "ignore-case");
+  pexpr[2] = gtk_property_expression_new (GTK_TYPE_STRING_FILTER, NULL, "match-mode");
+  expr = gtk_cclosure_expression_new (G_TYPE_STRING,
+                                      NULL,
+                                      3,
+                                      pexpr,
+                                      G_CALLBACK (print_filter_info),
+                                      NULL,
+                                      NULL);
+  watch = gtk_expression_watch (expr, filter, inc_counter, &counter, NULL);
+
+  g_assert (gtk_expression_evaluate (expr, filter, &value));
+  g_assert_cmpstr (g_value_get_string (&value), ==, "OK");
+  g_value_unset (&value);
+
+  gtk_string_filter_set_search (filter, "Hello World");
+  g_assert_cmpint (counter, ==, 1);
+  g_assert (gtk_expression_evaluate (expr, filter , &value));
+  g_assert_cmpstr (g_value_get_string (&value), ==, "OK");
+  g_value_unset (&value);
+
+  gtk_string_filter_set_ignore_case (filter, FALSE);
+  g_assert_cmpint (counter, ==, 2);
+  g_assert (gtk_expression_evaluate (expr, filter , &value));
+  g_assert_cmpstr (g_value_get_string (&value), ==, "OK");
+  g_value_unset (&value);
+
+  gtk_string_filter_set_search (filter, "Hello");
+  gtk_string_filter_set_ignore_case (filter, TRUE);
+  gtk_string_filter_set_match_mode (filter, GTK_STRING_FILTER_MATCH_MODE_EXACT);
+  g_assert_cmpint (counter, ==, 5);
+  g_assert (gtk_expression_evaluate (expr, filter , &value));
+  g_assert_cmpstr (g_value_get_string (&value), ==, "OK");
+  g_value_unset (&value);
+
+  gtk_expression_unref (expr);
+  g_object_unref (filter);
+  gtk_expression_watch_unwatch (watch);
+}
+
+int
+main (int argc, char *argv[])
+{
+  gtk_test_init (&argc, &argv, NULL);
+  setlocale (LC_ALL, "C");
+
+  g_test_add_func ("/expression/property", test_property);
+  g_test_add_func ("/expression/closure", test_closure);
+
+  return g_test_run ();
+}
diff --git a/testsuite/gtk/meson.build b/testsuite/gtk/meson.build
index 277b9ca47c..bb4f70eaea 100644
--- a/testsuite/gtk/meson.build
+++ b/testsuite/gtk/meson.build
@@ -26,6 +26,7 @@ tests = [
   ['rbtree-crash', ['../../gtk/gtkrbtree.c'], ['-DGTK_COMPILATION', '-UG_ENABLE_DEBUG']],
   ['defaultvalue'],
   ['entry'],
+  ['expression'],
   ['filter'],
   ['filterlistmodel'],
   ['flattenlistmodel'],