tests: add code, public-code and private-code tests

First one is deprecated in favour of the second option.

The latter is newly introduced and annotates the generated symbols
accordingly.

v2: Don't introduce small-public-code.c - reuse small-code.c (Pekka)

Cc: Pekka Paalanen <ppaalanen@gmail.com>
Signed-off-by: Emil Velikov <emil.velikov@collabora.com>
Reviewed-by: Pekka Paalanen <pekka.paalanen@collabora.co.uk>
Reviewed-by: Derek Foreman <derekf@osg.samsung.com>

Makefile.am

@@ -299,7 +299,8 @@ EXTRA_DIST += tests/scanner-test.sh			\
 	tests/data/small-server.h			\
 	tests/data/small-code-core.c			\
 	tests/data/small-client-core.h			\
-	tests/data/small-server-core.h
+	tests/data/small-server-core.h			\
+	tests/data/small-private-code.c
 
 tests/scanner-test.sh: $(top_builddir)/wayland-scanner
 

tests/data/small-private-code.c

@@ -0,0 +1,71 @@
+/* SCANNER TEST */
+
+/*
+ * Copyright © 2016 Collabora, Ltd.
+ *
+ * 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 (including the
+ * next paragraph) 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.
+ */
+
+#include <stdlib.h>
+#include <stdint.h>
+#include "wayland-util.h"
+
+#ifndef __has_attribute
+# define __has_attribute(x) 0  /* Compatibility with non-clang compilers. */
+#endif
+
+#if (__has_attribute(visibility) || defined(__GNUC__) && __GNUC__ >= 4
+#define WL_PRIVATE __attribute__ ((visibility("hidden")))
+#else
+#define WL_PRIVATE
+#endif
+
+extern const struct wl_interface another_intf_interface;
+extern const struct wl_interface intf_not_here_interface;
+
+static const struct wl_interface *types[] = {
+	NULL,
+	&intf_not_here_interface,
+	NULL,
+	NULL,
+	NULL,
+	NULL,
+	NULL,
+	&another_intf_interface,
+};
+
+static const struct wl_message intf_A_requests[] = {
+	{ "rq1", "sun", types + 0 },
+	{ "rq2", "nsiufho", types + 1 },
+	{ "destroy", "", types + 0 },
+};
+
+static const struct wl_message intf_A_events[] = {
+	{ "hey", "", types + 0 },
+};
+
+WL_PRIVATE const struct wl_interface intf_A_interface = {
+	"intf_A", 3,
+	3, intf_A_requests,
+	1, intf_A_events,
+};
+

tests/scanner-test.sh

@@ -48,4 +48,8 @@ generate_and_compare "-c code" "small.xml" "small-code-core.c"
 generate_and_compare "-c client-header" "small.xml" "small-client-core.h"
 generate_and_compare "-c server-header" "small.xml" "small-server-core.h"
 
+# The existing "code" must produce result identical to "public-code"
+generate_and_compare "code" "small.xml" "small-code.c"
+generate_and_compare "public-code" "small.xml" "small-code.c"
+generate_and_compare "private-code" "small.xml" "small-private-code.c"
 exit $RETCODE