[gtk+/extended-layout-jhs: 2/64] Implementing get_baselines for GtkLabel and testing it.

[Johannes Schmid <jhs src gnome org>]

commit 55a10759f4a2e82be42375471b6859e9f4171645
Author: Mathias Hasselmann <mathias hasselmann gmx de>
Date:   Tue Jun 19 22:25:40 2007 +0000

    Implementing get_baselines for GtkLabel and testing it.
    
    2007-06-20  Mathias Hasselmann  <mathias hasselmann gmx de>
    
    	* gtk/gtklabel.c, tests/autotestextendedlayout.c,
    	tests/testextendedlayout.c, tests/Makefile.am:
    	Implementing get_baselines for GtkLabel and testing it.
    
    svn path=/branches/extended-layout/; revision=18198

 tests/autotestextendedlayout.c |  156 ++++++++++++++++++++++++++++++++++++++++
 1 files changed, 156 insertions(+), 0 deletions(-)
---
diff --git a/tests/autotestextendedlayout.c b/tests/autotestextendedlayout.c
new file mode 100644
index 0000000..a07ff4f
--- /dev/null
+++ b/tests/autotestextendedlayout.c
@@ -0,0 +1,156 @@
+#include <config.h>
+#include <string.h>
+#include <glib/gprintf.h>
+#include <gtk/gtk.h>
+
+#define test(condition) \
+        log_test((condition), G_STRFUNC, #condition)
+#define testf(condition, format, ...) \
+        log_test((condition), G_STRFUNC, \
+                 #condition " (" format ")", __VA_ARGS__)
+#define testi(expected, number) G_STMT_START { \
+          const gint i = (expected), j = (number); \
+          log_test(i == j, G_STRFUNC, #number " is " #expected \
+                                      " (actual number %d)", j); \
+        } G_STMT_END
+
+static int num_failures = 0;
+static int num_warnings = 0;
+static int num_errors = 0;
+static int num_criticals = 0;
+
+static GLogFunc default_log_handler;
+
+static void
+log_test (gboolean     passed, 
+          const gchar *function,
+          const gchar *test_name, ...)
+{
+  va_list args;
+  char *str;
+
+  if (!passed)
+    ++num_failures;
+
+  va_start (args, test_name);
+  str = g_strdup_vprintf (test_name, args);
+  va_end (args);
+
+  g_printf ("%s: %s: %s\n", passed ? "PASS" : "FAIL", function, str);
+  g_free (str);
+}
+
+static void
+log_override_cb (const gchar   *log_domain,
+		 GLogLevelFlags log_level,
+		 const gchar   *message,
+		 gpointer       user_data)
+{
+  if (log_level & G_LOG_LEVEL_WARNING)
+    num_warnings++;
+
+  if (log_level & G_LOG_LEVEL_ERROR)
+    num_errors++;
+
+  if (log_level & G_LOG_LEVEL_CRITICAL)
+    num_criticals++;
+
+  (* default_log_handler) (log_domain, log_level, message, user_data);
+}
+
+static void
+test_label (void)
+{
+  GtkExtendedLayoutFeatures features;
+  GtkExtendedLayoutIface *iface;
+  GtkExtendedLayout *layout;
+  GtkWidget *widget;
+  GtkLabel *label;
+
+  gint *baselines;
+  gint num_baselines;
+
+  widget = g_object_ref_sink (gtk_label_new (NULL));
+  iface = GTK_EXTENDED_LAYOUT_GET_IFACE (widget);
+  layout = GTK_EXTENDED_LAYOUT (widget);
+  label = GTK_LABEL (widget);
+
+  /* basic properties */
+
+  test (GTK_IS_EXTENDED_LAYOUT (label));
+  features = gtk_extended_layout_get_features (layout);
+
+  test (NULL != iface->get_features);
+  test (NULL != iface->get_height_for_width);
+  test (NULL == iface->get_width_for_height);
+  test (NULL != iface->get_natural_size);
+  test (NULL != iface->get_baselines);
+
+  test (0 != (features & GTK_EXTENDED_LAYOUT_HEIGHT_FOR_WIDTH));
+  test (0 == (features & GTK_EXTENDED_LAYOUT_WIDTH_FOR_HEIGHT));
+  test (0 != (features & GTK_EXTENDED_LAYOUT_NATURAL_SIZE));
+  test (0 != (features & GTK_EXTENDED_LAYOUT_BASELINES));
+
+  /* baseline support */
+
+  baselines = NULL;
+  gtk_label_set_text (label, NULL);
+  num_baselines = gtk_extended_layout_get_baselines (layout, &baselines);
+  testi (0, num_baselines);
+  test (NULL == baselines); 
+  g_free (baselines);
+
+  baselines = NULL;
+  gtk_label_set_text (label, "");
+  num_baselines = gtk_extended_layout_get_baselines (layout, &baselines);
+  testi (0, num_baselines);
+  test (NULL == baselines); 
+  g_free (baselines);
+
+  baselines = NULL;
+  gtk_label_set_text (label, "First Line");
+  num_baselines = gtk_extended_layout_get_baselines (layout, &baselines);
+  testi (1, num_baselines);
+  test (NULL != baselines); 
+  g_free (baselines);
+
+  baselines = NULL;
+  gtk_label_set_text (label, "First Line\n");
+  num_baselines = gtk_extended_layout_get_baselines (layout, &baselines);
+  testi (1, num_baselines);
+  test (NULL != baselines); 
+  g_free (baselines);
+
+  baselines = NULL;
+  gtk_label_set_text (label, "First Line\nSecond Line");
+  num_baselines = gtk_extended_layout_get_baselines (layout, &baselines);
+  testi (2, num_baselines);
+  test (NULL != baselines); 
+  g_free (baselines);
+
+  baselines = NULL;
+  gtk_label_set_markup (label, "First Line\n<big>Second Line</big>\nThird Line");
+  num_baselines = gtk_extended_layout_get_baselines (layout, &baselines);
+  testi (3, num_baselines);
+  test (NULL != baselines); 
+  g_free (baselines);
+
+  g_object_unref (widget);
+}
+
+int
+main(int argc, char **argv)
+{
+  default_log_handler = g_log_set_default_handler (log_override_cb, NULL);
+
+  gtk_init (&argc, &argv);
+
+  test_label ();
+
+  testi (0, num_warnings);
+  testi (0, num_errors);
+  testi (0, num_criticals);
+  testi (0, num_failures);
+  
+  return MAX(0, num_failures - 1);
+}