Wddm interface [4/n]: Make 2.0 default version

- Create Wddm20 interface by default for runtime and ULTs
- Add Windows dll test for Wddm creation

Change-Id: Id0a1b86e68112c31078b6965c647a5218790150f

unit_tests/windows/wddm_create_tests.cpp

@@ -0,0 +1,36 @@
+/*
+ * Copyright (c) 2018, 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 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.
+ */
+
+#include "runtime/os_interface/windows/wddm/wddm.h"
+#include "test.h"
+
+using namespace OCLRT;
+
+TEST(wddmCreateTests, givenInputVersionWhenCreatingThenAlwaysUse20) {
+    std::unique_ptr<Wddm> wddm1(Wddm::createWddm(WddmInterfaceVersion::Wddm20));
+    std::unique_ptr<Wddm> wddm2(Wddm::createWddm(21));
+    std::unique_ptr<Wddm> wddm3(Wddm::createWddm(0));
+
+    EXPECT_EQ(WddmInterfaceVersion::Wddm20, wddm1->wddmInterfaceVersion);
+    EXPECT_EQ(WddmInterfaceVersion::Wddm20, wddm2->wddmInterfaceVersion);
+    EXPECT_EQ(WddmInterfaceVersion::Wddm20, wddm3->wddmInterfaceVersion);
+}