1 files changed, 94 insertions, 0 deletions
diff --git a/src/libXvMC/tests/test_context.c b/src/libXvMC/tests/test_context.c
new file mode 100644
index 00000000000..22afb7ada4e
--- /dev/null
+++ b/src/libXvMC/tests/test_context.c
@@ -0,0 +1,94 @@
+#include <assert.h>
+#include <error.h>
+#include "testlib.h"
+
+int main(int argc, char **argv)
+{
+	const unsigned int	width = 16, height = 16;
+	const unsigned int	mc_types[2] = {XVMC_MOCOMP | XVMC_MPEG_2, XVMC_IDCT | XVMC_MPEG_2};
+	
+	Display			*display;
+	XvPortID		port_num;
+	int			surface_type_id;
+	unsigned int		is_overlay, intra_unsigned;
+	int			colorkey;
+	XvMCContext		context = {0};
+	
+	display = XOpenDisplay(NULL);
+	
+	if (!GetPort
+	(
+		display,
+		width,
+		height,
+		XVMC_CHROMA_FORMAT_420,
+    		mc_types,
+    		2,
+    		&port_num,
+    		&surface_type_id,
+    		&is_overlay,
+    		&intra_unsigned
+	))
+	{
+		XCloseDisplay(display);
+		error(1, 0, "Error, unable to find a good port.\n");
+	}
+	
+	if (is_overlay)
+	{
+		Atom xv_colorkey = XInternAtom(display, "XV_COLORKEY", 0);
+		XvGetPortAttribute(display, port_num, xv_colorkey, &colorkey);
+	}
+	
+	/* Note: XvMCBadContext not a valid return for XvMCCreateContext in the XvMC API, but openChrome driver returns it */
+	/* Note: Nvidia binary driver segfaults on NULL context, halts with debug output on bad port */
+	
+	/* Test NULL context */
+	assert(XvMCCreateContext(display, port_num, surface_type_id, width, height, XVMC_DIRECT, NULL) == XvMCBadContext);
+	/* Test invalid port */
+	assert(XvMCCreateContext(display, port_num + 1, surface_type_id, width, height, XVMC_DIRECT, &context) == XvBadPort);
+	/* Test invalid surface */
+	assert(XvMCCreateContext(display, port_num, surface_type_id + 1, width, height, XVMC_DIRECT, &context) == BadMatch);
+	/* Test invalid flags */
+	assert(XvMCCreateContext(display, port_num, surface_type_id, width, height, -1, &context) == BadValue);
+	/* Test huge width */
+	assert(XvMCCreateContext(display, port_num, surface_type_id, 16384, height, XVMC_DIRECT, &context) == BadValue);
+	/* Test huge height */
+	assert(XvMCCreateContext(display, port_num, surface_type_id, width, 16384, XVMC_DIRECT, &context) == BadValue);
+	/* Test huge width & height */
+	assert(XvMCCreateContext(display, port_num, surface_type_id, 16384, 16384, XVMC_DIRECT, &context) == BadValue);
+	/* Test valid params */
+	assert(XvMCCreateContext(display, port_num, surface_type_id, width, height, XVMC_DIRECT, &context) == Success);
+	/* Test context id assigned */
+	assert(context.context_id != 0);
+	/* Test surface type id assigned and correct */
+	assert(context.surface_type_id == surface_type_id);
+	/* Test width & height assigned and correct */
+	assert(context.width == width && context.height == height);
+	/* Test port assigned and correct */
+	assert(context.port == port_num);
+	/* Test flags assigned and correct */
+	assert(context.flags == XVMC_DIRECT);
+	/* Test NULL context */
+	assert(XvMCDestroyContext(display, NULL) == XvMCBadContext);
+	/* Test valid params */
+	assert(XvMCDestroyContext(display, &context) == Success);
+	/* Test awkward but valid width */
+	assert(XvMCCreateContext(display, port_num, surface_type_id, width + 1, height, XVMC_DIRECT, &context) == Success);
+	assert(context.width >= width + 1);
+	assert(XvMCDestroyContext(display, &context) == Success);
+	/* Test awkward but valid height */
+	assert(XvMCCreateContext(display, port_num, surface_type_id, width, height + 1, XVMC_DIRECT, &context) == Success);
+	assert(context.height >= height + 1);
+	assert(XvMCDestroyContext(display, &context) == Success);
+	/* Test awkward but valid width & height */
+	assert(XvMCCreateContext(display, port_num, surface_type_id, width + 1, height + 1, XVMC_DIRECT, &context) == Success);
+	assert(context.width >= width + 1 && context.height >= height + 1);
+	assert(XvMCDestroyContext(display, &context) == Success);
+	
+	XvUngrabPort(display, port_num, CurrentTime);
+	XCloseDisplay(display);
+	
+	return 0;
+}
+