[Beignet] [PATCH 2/3] Add the test case for clEnqueueCopyBuffer API

[junyan.he at inbox.com]

From: Junyan He <junyan.he at linux.intel.com>

Signed-off-by: Junyan He <junyan.he at linux.intel.com>
---
 utests/CMakeLists.txt       |    1 +
 utests/enqueue_copy_buf.cpp |   62 +++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 63 insertions(+)
 create mode 100644 utests/enqueue_copy_buf.cpp

diff --git a/utests/CMakeLists.txt b/utests/CMakeLists.txt
index ceb5e08..65faa94 100644
--- a/utests/CMakeLists.txt
+++ b/utests/CMakeLists.txt
@@ -121,6 +121,7 @@ set (utests_sources
   compiler_double_2.cpp
   compiler_double_3.cpp
   compiler_double_4.cpp
+  enqueue_copy_buf.cpp
   utest_assert.cpp
   utest.cpp
   utest_file_map.cpp
diff --git a/utests/enqueue_copy_buf.cpp b/utests/enqueue_copy_buf.cpp
new file mode 100644
index 0000000..65b2b78
--- /dev/null
+++ b/utests/enqueue_copy_buf.cpp
@@ -0,0 +1,62 @@
+#include "utest_helper.hpp"
+
+void test_copy_buf(size_t sz, size_t src_off, size_t dst_off, size_t cb)
+{
+    unsigned int i;
+    OCL_MAP_BUFFER(0);
+
+    for (i=0; i < sz; i++) {
+        ((char*)buf_data[0])[i] = (rand() & 127);
+    }
+
+    OCL_UNMAP_BUFFER(0);
+
+    if (src_off + cb > sz || dst_off + cb > sz) {
+        /* Expect Error. */
+        OCL_ASSERT(clEnqueueCopyBuffer(queue, buf[0], buf[1],
+                                       src_off, dst_off, cb*sizeof(char), 0, NULL, NULL));
+        return;
+    }
+
+    OCL_ASSERT(!clEnqueueCopyBuffer(queue, buf[0], buf[1],
+                                    src_off, dst_off, cb*sizeof(char), 0, NULL, NULL));
+
+    OCL_MAP_BUFFER(0);
+    OCL_MAP_BUFFER(1);
+
+#if 0
+    printf("\n########### Src buffer: \n");
+    for (i = 0; i < sz; ++i)
+        printf(" %u", ((unsigned char*)buf_data[0])[i]);
+
+    printf("\n########### dst buffer: \n");
+    for (i = 0; i < sz; ++i)
+        printf(" %u", ((unsigned char*)buf_data[1])[i]);
+#endif
+
+    // Check results
+    for (i = 0; i < cb; ++i)
+        OCL_ASSERT(((char*)buf_data[0])[i + src_off] == ((char*)buf_data[1])[i + dst_off]);
+
+    OCL_UNMAP_BUFFER(0);
+    OCL_UNMAP_BUFFER(1);
+
+}
+
+void enqueue_copy_buf(void)
+{
+    size_t i;
+    size_t j;
+    const size_t sz = 1024;
+
+    OCL_CREATE_BUFFER(buf[0], 0, sz * sizeof(char), NULL);
+    OCL_CREATE_BUFFER(buf[1], 0, sz * sizeof(char), NULL);
+
+    for (i=0; i<sz; i+=10) {
+        for (j=0; j<sz; j+=10) {
+            test_copy_buf(sz, i, j, sz/2);
+        }
+    }
+}
+
+MAKE_UTEST_FROM_FUNCTION(enqueue_copy_buf);
-- 
1.7.9.5