[Piglit] [PATCH] arb_direct_state_access/create-textures: also check invalid zero target

[Brian Paul]

Check that glCreateTextures rejects target=0, per the spec.  Also, Mesa
internally uses target=0 for a special state (texture gen'd but not bound)
so it's good to test.
---
 tests/spec/arb_direct_state_access/create-textures.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/tests/spec/arb_direct_state_access/create-textures.c b/tests/spec/arb_direct_state_access/create-textures.c
index ca6d43c..5479844 100644
--- a/tests/spec/arb_direct_state_access/create-textures.c
+++ b/tests/spec/arb_direct_state_access/create-textures.c
@@ -62,6 +62,10 @@ piglit_display(void)
 	glCreateTextures(GL_PROXY_TEXTURE_2D, 1, &name);
 	pass = piglit_check_gl_error(GL_INVALID_ENUM) && pass;
 
+	/* Invalid zero target */
+	glCreateTextures(0, 1, &name);
+	pass = piglit_check_gl_error(GL_INVALID_ENUM) && pass;
+
 	/* n is negative */
 	glCreateTextures(GL_TEXTURE_2D, -1, &name);
 	pass = piglit_check_gl_error(GL_INVALID_VALUE) && pass;
-- 
1.9.1