From 97cc20edf2623b45d93f5166bb7f7a78985d992d Mon Sep 17 00:00:00 2001
From: Eric Anholt <eric@anholt.net>
Date: Wed, 25 Jan 2012 16:40:35 -0800
Subject: ARB_copy_buffer/negative-bounds: New test for spec behavior.

---
 tests/spec/arb_copy_buffer/CMakeLists.gl.txt |  1 +
 tests/spec/arb_copy_buffer/negative-bounds.c | 88 ++++++++++++++++++++++++++++
 2 files changed, 89 insertions(+)
 create mode 100644 tests/spec/arb_copy_buffer/negative-bounds.c

(limited to 'tests/spec/arb_copy_buffer')

diff --git a/tests/spec/arb_copy_buffer/CMakeLists.gl.txt b/tests/spec/arb_copy_buffer/CMakeLists.gl.txt
index 0aef94a26..9b683db3b 100644
--- a/tests/spec/arb_copy_buffer/CMakeLists.gl.txt
+++ b/tests/spec/arb_copy_buffer/CMakeLists.gl.txt
@@ -15,6 +15,7 @@ add_executable (copy_buffer_coherency copy_buffer_coherency.c)
 add_executable (copybuffersubdata copybuffersubdata.c)
 add_executable (arb_copy_buffer-overlap overlap.c)
 add_executable (arb_copy_buffer-negative-bound-zero negative-bound-zero.c)
+add_executable (arb_copy_buffer-negative-bounds negative-bounds.c)
 add_executable (arb_copy_buffer-negative-mapped negative-mapped.c)
 
 # vim: ft=cmake:
diff --git a/tests/spec/arb_copy_buffer/negative-bounds.c b/tests/spec/arb_copy_buffer/negative-bounds.c
new file mode 100644
index 000000000..aa0a6abe0
--- /dev/null
+++ b/tests/spec/arb_copy_buffer/negative-bounds.c
@@ -0,0 +1,88 @@
+/*
+ * Copyright © 2012 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 negative-bounds.c
+ *
+ * Tests the following piece of the GL_ARB_copy_buffer spec:
+ *
+ *     "An INVALID_VALUE error is generated if any of readoffset,
+ *      writeoffset, or size are negative, if readoffset+size exceeds
+ *      the size of the buffer object bound to readtarget, or if
+ *      writeoffset+size exceeds the size of the buffer object bound
+ *      to writetarget."
+ *
+ * Note that the overlap test, as an example, will make sure that the
+ * error checking doesn't fail copies within the bounds.
+ */
+
+#include "piglit-util.h"
+
+int piglit_width = 100, piglit_height = 100;
+int piglit_window_mode = GLUT_RGB | GLUT_DOUBLE;
+
+enum piglit_result
+piglit_display(void)
+{
+	/* uncreached */
+	return PIGLIT_FAIL;
+}
+
+void
+piglit_init(int argc, char **argv)
+{
+	GLuint bufs[2];
+	uint8_t data[8] = { 0 };
+
+	piglit_require_extension("GL_ARB_copy_buffer");
+
+	glGenBuffers(2, bufs);
+
+	glBindBuffer(GL_COPY_READ_BUFFER, bufs[0]);
+	glBufferData(GL_COPY_READ_BUFFER, sizeof(data), data, GL_DYNAMIC_DRAW);
+	glBindBuffer(GL_COPY_WRITE_BUFFER, bufs[1]);
+	glBufferData(GL_COPY_WRITE_BUFFER, sizeof(data), data, GL_DYNAMIC_DRAW);
+
+	glCopyBufferSubData(GL_COPY_READ_BUFFER, GL_COPY_WRITE_BUFFER,
+			    -1, 0, 1);
+	if (!piglit_check_gl_error(GL_INVALID_VALUE))
+		piglit_report_result(PIGLIT_FAIL);
+
+	glCopyBufferSubData(GL_COPY_READ_BUFFER, GL_COPY_WRITE_BUFFER,
+			    0, -1, 1);
+	if (!piglit_check_gl_error(GL_INVALID_VALUE))
+		piglit_report_result(PIGLIT_FAIL);
+
+	glCopyBufferSubData(GL_COPY_READ_BUFFER, GL_COPY_WRITE_BUFFER,
+			    sizeof(data) - 1, 0, 2);
+	if (!piglit_check_gl_error(GL_INVALID_VALUE))
+		piglit_report_result(PIGLIT_FAIL);
+
+	glCopyBufferSubData(GL_COPY_READ_BUFFER, GL_COPY_WRITE_BUFFER,
+			    0, sizeof(data) - 1, 2);
+	if (!piglit_check_gl_error(GL_INVALID_VALUE))
+		piglit_report_result(PIGLIT_FAIL);
+
+	glDeleteBuffers(2, bufs);
+
+	piglit_report_result(PIGLIT_PASS);
+}
-- 
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