Move filename initialization up to before first use.

Add test for the most trivial cairo_get and cairo_set functions.

1 files changed, 151 insertions, 0 deletions

diff --git a/test/get-and-set.c b/test/get-and-set.c
new file mode 100644
index 000000000..05643ca27
--- /dev/null
+++ b/test/get-and-set.c
@@ -0,0 +1,151 @@
+/*
+ * Copyright © 2005 Red Hat, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software
+ * and its documentation for any purpose is hereby granted without
+ * fee, provided that the above copyright notice appear in all copies
+ * and that both that copyright notice and this permission notice
+ * appear in supporting documentation, and that the name of
+ * Red Hat, Inc. not be used in advertising or publicity pertaining to
+ * distribution of the software without specific, written prior
+ * permission. Red Hat, Inc. makes no representations about the
+ * suitability of this software for any purpose.  It is provided "as
+ * is" without express or implied warranty.
+ *
+ * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS
+ * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL,
+ * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
+ * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR
+ * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * Author: Carl D. Worth <cworth@cworth.org>
+ */
+
+#include "cairo_test.h"
+
+cairo_test_t test = {
+    "get_and_set",
+    "Tests calls to the most trivial cairo_get and cairo_set functions",
+    0, 0
+};
+
+typedef struct {
+    cairo_operator_t operator;
+    double tolerance;
+    double point_x;
+    double point_y;
+    cairo_fill_rule_t fill_rule;
+    double line_width;
+    cairo_line_cap_t line_cap;
+    cairo_line_join_t line_join;
+    double miter_limit;
+    /* XXX: Add cairo_matrix_t here when it is exposed */
+} settings_t;
+
+/* Two sets of settings, no defaults */
+settings_t settings[] = {
+    {
+	CAIRO_OPERATOR_IN,
+	2.0,
+	12.3,
+	4.56,
+	CAIRO_FILL_RULE_EVEN_ODD,
+	7.7,
+	CAIRO_LINE_CAP_SQUARE,
+	CAIRO_LINE_JOIN_ROUND,
+	3.14
+    },
+    {
+	CAIRO_OPERATOR_ATOP,
+	5.25,
+	99.99,
+	0.001,
+	CAIRO_FILL_RULE_WINDING,
+	2.17,
+	CAIRO_LINE_CAP_ROUND,
+	CAIRO_LINE_JOIN_BEVEL,
+	1000.0
+    }
+};
+
+static void
+settings_set (cairo_t *cr, settings_t *settings)
+{
+    cairo_set_operator (cr, settings->operator);
+    cairo_set_tolerance (cr, settings->tolerance);
+    cairo_move_to (cr, settings->point_x, settings->point_y);
+    cairo_set_fill_rule (cr, settings->fill_rule);
+    cairo_set_line_width (cr, settings->line_width);
+    cairo_set_line_cap (cr, settings->line_cap);
+    cairo_set_line_join (cr, settings->line_join);
+    cairo_set_miter_limit (cr, settings->miter_limit);
+}
+
+static void
+settings_get (cairo_t *cr, settings_t *settings)
+{
+    settings->operator = cairo_get_operator (cr);
+    settings->tolerance = cairo_get_tolerance (cr);
+    cairo_get_current_point (cr, &settings->point_x, &settings->point_y);
+    settings->fill_rule = cairo_get_fill_rule (cr);
+    settings->line_width = cairo_get_line_width (cr);
+    settings->line_cap = cairo_get_line_cap (cr);
+    settings->line_join = cairo_get_line_join (cr);
+    settings->miter_limit = cairo_get_miter_limit (cr);
+}
+
+/* Maximum error is one part of our fixed-point grid */
+#define EPSILON (1.0 / 65536.0)
+
+static int
+DOUBLES_WITHIN_EPSILON(double a, double b) {
+    double delta = fabs(a - b);
+    return delta < EPSILON;
+}
+
+static int
+settings_equal (settings_t *a, settings_t *b)
+{
+    return (a->operator == b->operator &&
+	    a->tolerance == b->tolerance &&
+	    DOUBLES_WITHIN_EPSILON (a->point_x, b->point_x) &&
+	    DOUBLES_WITHIN_EPSILON (a->point_y, b->point_y) &&
+	    a->fill_rule == b->fill_rule &&
+	    a->line_width == b->line_width &&
+	    a->line_cap == b->line_cap &&
+	    a->line_join == b->line_join &&
+	    a->miter_limit == b->miter_limit);
+}
+
+static cairo_test_status_t
+get_and_set (cairo_t *cr, int width, int height)
+{
+    settings_t check;
+
+    settings_set (cr, &settings[0]);
+    
+    cairo_save (cr);
+    {
+	settings_set (cr, &settings[1]);
+	settings_get (cr, &check);
+
+	if (!settings_equal (&settings[1], &check))
+	    return CAIRO_TEST_FAILURE;
+    }
+    cairo_restore (cr);
+
+    settings_get (cr, &check);
+
+    if (!settings_equal (&settings[0], &check))
+	return CAIRO_TEST_FAILURE;
+
+    return CAIRO_TEST_SUCCESS;
+}
+
+int
+main (void)
+{
+    return cairo_test (&test, get_and_set);
+}