From 0152286fa0a585e729d0a39efc1dc926b11b0ab2 Mon Sep 17 00:00:00 2001
From: Matthias Clasen <mclasen@redhat.com>
Date: Mon, 15 May 2023 16:49:12 -0400
Subject: [PATCH] Improve test coverage for GdkGLContext

---
 testsuite/gdk/glcontext.c | 82 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 82 insertions(+)

diff --git a/testsuite/gdk/glcontext.c b/testsuite/gdk/glcontext.c
index 2f825ac121..2fecec2f24 100644
--- a/testsuite/gdk/glcontext.c
+++ b/testsuite/gdk/glcontext.c
@@ -67,6 +67,85 @@ test_allowed_backends (gconstpointer data)
   g_object_unref (context);
 }
 
+static void
+test_use_es (void)
+{
+  GdkDisplay *display;
+  GdkGLContext *context;
+  GError *error = NULL;
+  GdkGLAPI allowed_apis, api;
+  GdkGLContext *shared;
+
+  display = gdk_display_get_default ();
+  if (!gdk_display_prepare_gl (display, &error))
+    {
+      g_test_skip_printf ("no GL support: %s", error->message);
+      g_clear_error (&error);
+      return;
+    }
+
+  context = gdk_display_create_gl_context (display, &error);
+  g_assert_nonnull (context);
+  g_assert_no_error (error);
+
+  g_object_set (context, "allowed-apis", GDK_GL_API_GL | GDK_GL_API_GLES, NULL);
+
+G_GNUC_BEGIN_IGNORE_DEPRECATIONS
+  gdk_gl_context_set_use_es (context, 1);
+  g_assert_true (gdk_gl_context_get_allowed_apis (context) == GDK_GL_API_GLES);
+  gdk_gl_context_set_use_es (context, 0);
+  g_assert_true (gdk_gl_context_get_allowed_apis (context) == GDK_GL_API_GL);
+  gdk_gl_context_set_use_es (context, -1);
+  g_assert_true (gdk_gl_context_get_allowed_apis (context) == (GDK_GL_API_GL | GDK_GL_API_GLES));
+G_GNUC_END_IGNORE_DEPRECATIONS
+
+  api = gdk_gl_context_realize (context, &error);
+  g_assert_no_error (error);
+  g_assert_true (api != 0);
+
+  g_object_get (context,
+                "allowed-apis", &allowed_apis,
+                "api", &api,
+                "shared-context", &shared,
+                NULL);
+
+  g_assert_true (allowed_apis == (GDK_GL_API_GL | GDK_GL_API_GLES));
+  g_assert_true (api == GDK_GL_API_GL || api == GDK_GL_API_GLES);
+  g_assert_null (shared);
+
+  g_object_unref (context);
+}
+
+static void
+test_version (void)
+{
+  GdkDisplay *display;
+  GdkGLContext *context;
+  GError *error = NULL;
+  int major, minor;
+
+  display = gdk_display_get_default ();
+  if (!gdk_display_prepare_gl (display, &error))
+    {
+      g_test_skip_printf ("no GL support: %s", error->message);
+      g_clear_error (&error);
+      return;
+    }
+
+  context = gdk_display_create_gl_context (display, &error);
+  g_assert_nonnull (context);
+  g_assert_no_error (error);
+
+  gdk_gl_context_get_required_version (context, &major, &minor);
+  g_assert_true (major == 0 && minor == 0);
+
+  gdk_gl_context_set_required_version (context, 4, 0);
+  gdk_gl_context_get_required_version (context, &major, &minor);
+  g_assert_true (major == 4 && minor == 0);
+
+  g_object_unref (context);
+}
+
 int
 main (int argc, char *argv[])
 {
@@ -77,5 +156,8 @@ main (int argc, char *argv[])
   g_test_add_data_func ("/allowed-apis/gles", GSIZE_TO_POINTER (GDK_GL_API_GLES), test_allowed_backends);
   g_test_add_data_func ("/allowed-apis/all", GSIZE_TO_POINTER (GDK_GL_API_GL | GDK_GL_API_GLES), test_allowed_backends);
 
+  g_test_add_func ("/allowed-apis/use-es", test_use_es);
+  g_test_add_func ("/allowed-apis/version", test_version);
+
   return g_test_run ();
 }
-- 
2.30.2