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-rw-r--r--test/group-state.c96
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diff --git a/test/group-state.c b/test/group-state.c
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+/* -*- 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)