Improve checkMemory validation.

- check that proper flags are passed if hostPtr is presented.
- fix a bug in buffer fixture.
- fix some bugs in other tests.

Change-Id: If708fd06598e5f3d8a94b3e24fb83f689f6b52c7

unit_tests/fixtures/buffer_fixture.h

@@ -1,23 +1,8 @@
 /*
- * Copyright (c) 2017, Intel Corporation
+ * Copyright (C) 2017-2019 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:
+ * SPDX-License-Identifier: MIT
  *
- * The above copyright notice and this permission notice 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.
  */
 
 #pragma once
@@ -57,11 +42,12 @@ struct BufferHelper {
 
     static Buffer *create(Context *context = Traits::context) {
         auto retVal = CL_SUCCESS;
+        auto hostPtr = Traits::flags & (CL_MEM_USE_HOST_PTR | CL_MEM_COPY_HOST_PTR) ? Traits::hostPtr : nullptr;
         auto buffer = Buffer::create(
             context ? context : std::shared_ptr<Context>(new MockContext).get(),
             Traits::flags,
             Traits::sizeInBytes,
-            Traits::hostPtr,
+            hostPtr,
             retVal);
         assert(buffer != nullptr);
         return buffer;