2 files changed, 91 insertions, 0 deletions
diff --git a/utests/CMakeLists.txt b/utests/CMakeLists.txt
index d950e5d6..67200a78 100644
--- a/utests/CMakeLists.txt
+++ b/utests/CMakeLists.txt
@@ -173,6 +173,7 @@ set (utests_sources
   enqueue_copy_buf.cpp
   enqueue_copy_buf_unaligned.cpp
   test_printf.cpp
+  enqueue_fill_buf.cpp
   utest_assert.cpp
   utest.cpp
   utest_file_map.cpp
diff --git a/utests/enqueue_fill_buf.cpp b/utests/enqueue_fill_buf.cpp
new file mode 100644
index 00000000..272b81ff
--- /dev/null
+++ b/utests/enqueue_fill_buf.cpp
@@ -0,0 +1,90 @@
+#include "utest_helper.hpp"
+#include <string.h>
+
+static char pattern_serials[128];
+
+static void test_fill_buf(size_t sz, size_t offset, size_t size, size_t pattern_sz)
+{
+  unsigned int i;
+  int ret = 0;
+  OCL_MAP_BUFFER(0);
+  memset(((char*)buf_data[0]), 0, sz);
+  OCL_UNMAP_BUFFER(0);
+
+  for (i=0; i < pattern_sz; i++) {
+    pattern_serials[i] = (rand() & 63);
+  }
+
+  if (offset + size > sz) {
+    /* Expect Error. */
+    OCL_ASSERT(clEnqueueFillBuffer(queue, buf[0], pattern_serials,
+                                   pattern_sz, offset, size, 0, NULL, NULL));
+    return;
+  }
+
+  ret = clEnqueueFillBuffer(queue, buf[0], pattern_serials,
+                            pattern_sz, offset, size, 0, NULL, NULL);
+  OCL_ASSERT(!ret);
+
+  OCL_MAP_BUFFER(0);
+
+#if 0
+  printf("\n==== pattern size is %d, offset is %d, size is %d ====\n",
+         pattern_sz, offset, size);
+  printf("\n###########  buffer: \n");
+  for (i = 0; i < sz; ++i)
+    printf(" %2.2u", ((unsigned char*)buf_data[0])[i]);
+
+#endif
+
+  // Check results
+  int j = 0;
+  for (i = 0; i < sz; ++i) {
+    if (i < offset || i >= offset + size) {
+      if (((char*)buf_data[0])[i] != 0) {
+        printf ("\nnon zero index is %d\n", i);
+        OCL_ASSERT(0);
+      }
+      continue;
+    }
+
+    if (((char*)buf_data[0])[i] != pattern_serials[j]) {
+      printf ("\ndifferent index is %d\n", i);
+      OCL_ASSERT(0);
+    }
+    j++;
+    if (j == (int)pattern_sz) j = 0;
+  }
+
+  OCL_UNMAP_BUFFER(0);
+
+}
+
+void enqueue_fill_buf(void)
+{
+  size_t offset;
+  size_t pattern_sz;
+  const size_t sz = 1024;
+  size_t size = 0;
+  static int valid_sz[] = {1, 2, 4, 8, 16, 32, 64, 128};
+  unsigned int i = 0;
+
+  OCL_CREATE_BUFFER(buf[0], 0, sz * sizeof(char), NULL);
+
+  for (i = 0; i < sizeof(valid_sz)/sizeof(int); i++) {
+
+	pattern_sz = valid_sz[i];
+	size = ((rand()%1024)/pattern_sz) * pattern_sz;
+	offset = ((rand()%1024)/pattern_sz) * pattern_sz;
+	while (size + offset + 1 > sz) {
+      if (size > offset) {
+        size = size - offset;
+      } else
+        offset = offset - size;
+	}
+
+	test_fill_buf(sz, offset, size, pattern_sz);
+  }
+}
+
+MAKE_UTEST_FROM_FUNCTION(enqueue_fill_buf);