1 files changed, 106 insertions, 0 deletions
diff --git a/test/pthread-similar.c b/test/pthread-similar.c
new file mode 100644
index 000000000..a5f5e3bf4
--- /dev/null
+++ b/test/pthread-similar.c
@@ -0,0 +1,106 @@
+/*
+ * Copyright 2009 Benjamin Otte
+ *
+ * Permission is hereby granted, free of charge, to any person
+ * obtaining a copy of this software and associated documentation
+ * files (the "Software"), to deal in the Software without
+ * restriction, including without limitation the rights to use, copy,
+ * modify, merge, publish, distribute, sublicense, and/or sell copies
+ * of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ * Author: Benjamin Otte <otte@gnome.org>
+ */
+
+#include "cairo-test.h"
+#include <pthread.h>
+
+#define N_THREADS 8
+
+#define WIDTH 64
+#define HEIGHT 8
+
+static void *
+draw_thread (void *arg)
+{
+    cairo_surface_t *surface = arg;
+    cairo_t *cr;
+    int x, y;
+
+    cr = cairo_create (surface);
+    cairo_surface_destroy (surface);
+
+    for (y = 0; y < HEIGHT; y++) {
+        for (x = 0; x < WIDTH; x++) {
+            cairo_rectangle (cr, x, y, 1, 1);
+            cairo_set_source_rgba (cr, 0, 0.75, 0.75, (double) x / WIDTH);
+            cairo_fill (cr);
+        }
+    }
+
+    surface = cairo_surface_reference (cairo_get_target (cr));
+    cairo_destroy (cr);
+
+    return surface;
+}
+
+static cairo_test_status_t
+draw (cairo_t *cr, int width, int height)
+{
+    pthread_t threads[N_THREADS];
+    cairo_test_status_t test_status = CAIRO_TEST_SUCCESS;
+    int i;
+
+    for (i = 0; i < N_THREADS; i++) {
+	cairo_surface_t *surface;
+
+        surface = cairo_surface_create_similar (cairo_get_target (cr),
+						CAIRO_CONTENT_COLOR,
+						WIDTH, HEIGHT);
+        if (pthread_create (&threads[i], NULL, draw_thread, surface) != 0) {
+	    threads[i] = pthread_self ();
+            test_status = cairo_test_status_from_status (cairo_test_get_context (cr),
+							 cairo_surface_status (surface));
+            cairo_surface_destroy (surface);
+	    break;
+        }
+    }
+
+    for (i = 0; i < N_THREADS; i++) {
+	void *surface;
+
+        if (pthread_equal (threads[i], pthread_self ()))
+            break;
+
+        if (pthread_join (threads[i], &surface) == 0) {
+	    cairo_set_source_surface (cr, surface, 0, 0);
+	    cairo_surface_destroy (surface);
+	    cairo_paint (cr);
+
+	    cairo_translate (cr, 0, HEIGHT);
+	} else {
+            test_status = CAIRO_TEST_FAILURE;
+	}
+    }
+
+    return test_status;
+}
+
+CAIRO_TEST (pthread_similar,
+	    "Draw lots of 1x1 rectangles on similar surfaces in lots of threads",
+	    "threads", /* keywords */
+	    NULL, /* requirements */
+	    WIDTH, HEIGHT * N_THREADS,
+	    NULL, draw)