[Piglit] [PATCH 13/15] arb_tessellation_shader: Negative test valid range of PATCH_VERTICES.

[Fabian Bieler]

>From the ARB_tessellation_shader spec (Errors section):

     "The error INVALID_VALUE is generated by PatchParameteri if <pname> is
     PATCH_VERTICES and <value> is less than or equal to zero or is greater
     than the implementation-dependent maximum patch size."

Signed-off-by: Fabian Bieler <fabianbieler at fastmail.fm>
---
 tests/all.py                                       |  1 +
 .../spec/arb_tessellation_shader/CMakeLists.gl.txt |  1 +
 .../invalid-patch-vertices-range.c                 | 78 ++++++++++++++++++++++
 3 files changed, 80 insertions(+)
 create mode 100644 tests/spec/arb_tessellation_shader/invalid-patch-vertices-range.c

diff --git a/tests/all.py b/tests/all.py
index 5c57d5b..580e648 100644
--- a/tests/all.py
+++ b/tests/all.py
@@ -1442,6 +1442,7 @@ add_concurrent_test(arb_tessellation_shader, 'arb_tessellation_shader-get')
 add_concurrent_test(arb_tessellation_shader, 'arb_tessellation_shader-get-tcs-params')
 add_concurrent_test(arb_tessellation_shader, 'arb_tessellation_shader-get-tes-params')
 add_concurrent_test(arb_tessellation_shader, 'arb_tessellation_shader-invalid-invalid-get-program-params')
+add_concurrent_test(arb_tessellation_shader, 'arb_tessellation_shader-invalid-patch-vertices-range')
 add_concurrent_test(arb_tessellation_shader, 'arb_tessellation_shader-invalid-primitive')
 import_glsl_parser_tests(arb_tessellation_shader,
                          os.path.join(testsDir, 'spec',
diff --git a/tests/spec/arb_tessellation_shader/CMakeLists.gl.txt b/tests/spec/arb_tessellation_shader/CMakeLists.gl.txt
index ce65857..b169819 100644
--- a/tests/spec/arb_tessellation_shader/CMakeLists.gl.txt
+++ b/tests/spec/arb_tessellation_shader/CMakeLists.gl.txt
@@ -13,6 +13,7 @@ piglit_add_executable (arb_tessellation_shader-get get.c)
 piglit_add_executable (arb_tessellation_shader-get-tcs-params get-tcs-params.c)
 piglit_add_executable (arb_tessellation_shader-get-tes-params get-tes-params.c)
 piglit_add_executable (arb_tessellation_shader-invalid-get-program-params invalid-get-program-params.c)
+piglit_add_executable (arb_tessellation_shader-invalid-patch-vertices-range invalid-patch-vertices-range.c)
 piglit_add_executable (arb_tessellation_shader-invalid-primitive invalid-primitive.c)
 
 # vim: ft=cmake:
diff --git a/tests/spec/arb_tessellation_shader/invalid-patch-vertices-range.c b/tests/spec/arb_tessellation_shader/invalid-patch-vertices-range.c
new file mode 100644
index 0000000..c1c7a76
--- /dev/null
+++ b/tests/spec/arb_tessellation_shader/invalid-patch-vertices-range.c
@@ -0,0 +1,78 @@
+/*
+ * Copyright © 2014 Intel Corporation
+ *
+ * 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.
+ */
+
+/**
+ * \file invalid-patch-vertices-range.c
+ *
+ * From the ARB_tessellation_shader spec (Errors section):
+ *
+ *     "The error INVALID_VALUE is generated by PatchParameteri if <pname> is
+ *     PATCH_VERTICES and <value> is less than or equal to zero or is greater
+ *     than the implementation-dependent maximum patch size."
+ *
+ */
+
+#include "piglit-util-gl-common.h"
+
+PIGLIT_GL_TEST_CONFIG_BEGIN
+
+	config.supports_gl_compat_version = 32;
+	config.supports_gl_core_version = 32;
+
+PIGLIT_GL_TEST_CONFIG_END
+
+
+void
+piglit_init(int argc, char **argv)
+{
+	bool pass = true;
+	int max_patch_vertices;
+
+	piglit_require_extension("GL_ARB_tessellation_shader");
+
+	glGetIntegerv(GL_MAX_PATCH_VERTICES, &max_patch_vertices);
+
+	pass = piglit_check_gl_error(GL_NO_ERROR) && pass;
+	glPatchParameteri(GL_PATCH_VERTICES, -1);
+	pass = piglit_check_gl_error(GL_INVALID_VALUE) && pass;
+
+	pass = piglit_check_gl_error(GL_NO_ERROR) && pass;
+	glPatchParameteri(GL_PATCH_VERTICES, 0);
+	pass = piglit_check_gl_error(GL_INVALID_VALUE) && pass;
+
+	pass = piglit_check_gl_error(GL_NO_ERROR) && pass;
+	glPatchParameteri(GL_PATCH_VERTICES, max_patch_vertices + 1);
+	pass = piglit_check_gl_error(GL_INVALID_VALUE) && pass;
+
+	pass = piglit_check_gl_error(GL_NO_ERROR) && pass;
+
+	piglit_report_result(pass ? PIGLIT_PASS : PIGLIT_FAIL);
+}
+
+
+enum piglit_result
+piglit_display(void)
+{
+	return PIGLIT_PASS;
+}
+
-- 
1.8.3.2