add cairo

1 files changed, 96 insertions, 0 deletions

diff --git a/libs/cairo-1.16.0/test/group-state.c b/libs/cairo-1.16.0/test/group-state.c
new file mode 100644
index 0000000..a96b2e3
--- /dev/null
+++ b/libs/cairo-1.16.0/test/group-state.c
@@ -0,0 +1,96 @@
+/* -*- Mode: c; c-basic-offset: 4; indent-tabs-mode: t; tab-width: 8; -*- */
+/*
+ * Copyright 2011 Andrea Canciani
+ *
+ * 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: Andrea Canciani <ranma42@gmail.com>
+ */
+
+#include "cairo-test.h"
+
+#define CHECK_STATUS(status)						\
+    do {								\
+	if (cairo_status (cr) != (status)) {				\
+	    cairo_test_log (ctx, "Expected status: %s\n",		\
+			    cairo_status_to_string (status));		\
+	    cairo_test_log (ctx, "Actual status: %s\n",			\
+			    cairo_status_to_string (cairo_status (cr))); \
+	    result = CAIRO_TEST_FAILURE;				\
+	}								\
+    } while (0)
+
+static void
+reinit_cairo (cairo_t **cr)
+{
+    if (*cr)
+	cairo_destroy (*cr);
+
+    *cr = cairo_create (cairo_image_surface_create (CAIRO_FORMAT_ARGB32, 1, 1));
+    cairo_surface_destroy (cairo_get_target (*cr));
+}
+
+static cairo_test_status_t
+preamble (cairo_test_context_t *ctx)
+{
+    cairo_t *cr;
+    cairo_test_status_t result = CAIRO_TEST_SUCCESS;
+
+    cr = NULL;
+
+    reinit_cairo (&cr);
+
+    /* cairo_restore() must fail with CAIRO_STATUS_INVALID_RESTORE if
+     * no matching cairo_save() call has been performed. */
+    cairo_test_log (ctx, "Checking save(); push(); restore();\n");
+    cairo_save (cr);
+    CHECK_STATUS (CAIRO_STATUS_SUCCESS);
+    cairo_push_group (cr);
+    CHECK_STATUS (CAIRO_STATUS_SUCCESS);
+    cairo_restore (cr);
+    CHECK_STATUS (CAIRO_STATUS_INVALID_RESTORE);
+
+
+    reinit_cairo (&cr);
+
+    /* cairo_restore() must fail with CAIRO_STATUS_INVALID_RESTORE if
+     * no matching cairo_save() call has been performed. */
+    cairo_test_log (ctx, "Checking push(); save(); pop();\n");
+    cairo_push_group (cr);
+    CHECK_STATUS (CAIRO_STATUS_SUCCESS);
+    cairo_save (cr);
+    CHECK_STATUS (CAIRO_STATUS_SUCCESS);
+    cairo_pop_group_to_source (cr);
+    CHECK_STATUS (CAIRO_STATUS_INVALID_POP_GROUP);
+
+
+    cairo_destroy (cr);
+
+    return result;
+}
+
+CAIRO_TEST (group_state,
+	    "Tests the interaction between state (cairo_save, cairo_restore) "
+	    "and group (cairo_push_group/cairo_pop_group) API",
+	    "api", /* keywords */
+	    NULL, /* requirements */
+	    0, 0,
+	    preamble, NULL)