tests/gl_basic: Add tests for CGL

Add tests:
    gl_basic.cgl_init
    gl_basic.cgl_gl

The tests were verified to pass on MacOS 10.7.

Signed-off-by: Chad Versace <chad.versace@linux.intel.com>

4 files changed, 130 insertions, 1 deletions

diff --git a/tests/functional/CMakeLists.txt b/tests/functional/CMakeLists.txt
index 2527202..7b38cb4 100644
--- a/tests/functional/CMakeLists.txt
+++ b/tests/functional/CMakeLists.txt
@@ -3,4 +3,25 @@ link_libraries(
     waffle_test
     )
 
-add_executable(gl_basic_test gl_basic_test.c)
+set(gl_basic_test_sources
+    gl_basic_test.c
+    )
+
+if("${CMAKE_SYSTEM_NAME}" STREQUAL "Darwin")
+    list(APPEND gl_basic_test_sources
+        gl_basic_cocoa.m
+        )
+endif()
+
+# CMake will pass to the C compiler only C sources. CMake does not recognize the
+# .m extension and ignores any such files in the source lists. To coerce CMake
+# to pass .m files to the compiler, we must lie and claim that they are
+# C sources.
+set_source_files_properties(
+    ${gl_basic_test_sources}
+    PROPERTIES LANGUAGE C
+    )
+
+add_executable(gl_basic_test
+    ${gl_basic_test_sources}
+    )
diff --git a/tests/functional/gl_basic_cocoa.h b/tests/functional/gl_basic_cocoa.h
new file mode 100644
index 0000000..7d6b705
--- /dev/null
+++ b/tests/functional/gl_basic_cocoa.h
@@ -0,0 +1,21 @@
+// Copyright 2012 Intel Corporation
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#pragma once
+
+void
+gl_basic_cocoa_init(void);
+
+void
+gl_basic_cocoa_finish(void);
diff --git a/tests/functional/gl_basic_cocoa.m b/tests/functional/gl_basic_cocoa.m
new file mode 100644
index 0000000..33b5c3c
--- /dev/null
+++ b/tests/functional/gl_basic_cocoa.m
@@ -0,0 +1,48 @@
+// Copyright 2012 Intel Corporation
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#include "gl_basic_cocoa.h"
+
+#include <stdio.h>
+#include <Cocoa/Cocoa.h>
+
+static NSAutoreleasePool* pool;
+
+void
+gl_basic_cocoa_init(void)
+{
+    // From the NSApplication Class Reference:
+    //     [...] if you do need to use Cocoa classes within the main()
+    //     function itself (other than to load nib files or to instantiate
+    //     NSApplication), you should create an autorelease pool before using
+    //     the classes and then release the pool when you’re done.
+    pool = [[NSAutoreleasePool alloc] init];
+
+    // From the NSApplication Class Reference:
+    //     The sharedApplication class method initializes the display
+    //     environment and connects your program to the window server and the
+    //     display server.
+    //
+    // It also creates the singleton NSApp if it does not yet exist.
+    [NSApplication sharedApplication];
+}
+
+void
+gl_basic_cocoa_finish(void)
+{
+    // stdout must be flushed before invoking the garbage collector.
+    // Otherwise, the content of stdout does not appear over ssh. Weird.
+    fflush(stdout);
+    [pool drain];
+}
diff --git a/tests/functional/gl_basic_test.c b/tests/functional/gl_basic_test.c
index 78919a2..b6c5617 100644
--- a/tests/functional/gl_basic_test.c
+++ b/tests/functional/gl_basic_test.c
@@ -34,6 +34,8 @@
 #include <waffle/waffle.h>
 #include <waffle_test/waffle_test.h>
 
+#include "gl_basic_cocoa.h"
+
 enum {
     // Choosing a smaller window would shorten the execution time of pixel
     // validation, but Windows 7 enforces a minimum size.
@@ -240,6 +242,31 @@ gl_basic_draw(int32_t waffle_context_api, int32_t alpha)
     ASSERT_TRUE(waffle_display_disconnect(dpy));
 }
 
+#ifdef WAFFLE_HAS_CGL
+TEST(gl_basic, cgl_init)
+{
+    gl_basic_init(WAFFLE_PLATFORM_CGL);
+}
+
+TEST(gl_basic, cgl_gl_rgb)
+{
+    gl_basic_draw(WAFFLE_CONTEXT_OPENGL, 0);
+}
+
+TEST(gl_basic, cgl_gl_rgba)
+{
+    gl_basic_draw(WAFFLE_CONTEXT_OPENGL, 1);
+}
+
+static void
+testsuite_cgl(void)
+{
+    TEST_RUN(gl_basic, cgl_init);
+    TEST_RUN(gl_basic, cgl_gl_rgb);
+    TEST_RUN(gl_basic, cgl_gl_rgba);
+}
+#endif // WAFFLE_HAS_CGL
+
 #ifdef WAFFLE_HAS_GLX
 TEST(gl_basic, glx_init)
 {
@@ -421,9 +448,18 @@ run_testsuite(void (*testsuite)(void))
         }
     }
     else if (pid == 0) {
+        #ifdef __APPLE__
+            gl_basic_cocoa_init();
+        #endif
+
         void (*testsuites[])(void) = {testsuite, 0};
         int argc = 0;
         int num_failures = wt_main(&argc, NULL, testsuites);
+
+        #ifdef __APPLE__
+            gl_basic_cocoa_finish();
+        #endif
+
         exit(num_failures);
     }
     else {
@@ -438,6 +474,9 @@ main(int argc, char *argv[])
     if (argc != 1)
         usage_error();
 
+#ifdef WAFFLE_HAS_CGL
+    run_testsuite(testsuite_cgl);
+#endif
 #ifdef WAFFLE_HAS_GLX
     run_testsuite(testsuite_glx);
 #endif