COMPMID-585: Port OpticalFlow to new validation

Change-Id: Ia36bd11ca27420d3059eea15df81b237900149ec
Reviewed-on: https://eu-gerrit-1.euhpc.arm.com/125175
Tested-by: Jenkins <bsgcomp@arm.com>
Reviewed-by: John Richardson <john.richardson@arm.com>
Reviewed-by: Anthony Barbier <anthony.barbier@arm.com>
diff --git a/tests/validation/CL/OpticalFlow.cpp b/tests/validation/CL/OpticalFlow.cpp
new file mode 100644
index 0000000..006d40a
--- /dev/null
+++ b/tests/validation/CL/OpticalFlow.cpp
@@ -0,0 +1,93 @@
+/*
+ * Copyright (c) 2018 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * 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 "arm_compute/runtime/CL/CLArray.h"
+#include "arm_compute/runtime/CL/CLPyramid.h"
+#include "arm_compute/runtime/CL/functions/CLGaussianPyramid.h"
+#include "arm_compute/runtime/CL/functions/CLOpticalFlow.h"
+#include "arm_compute/runtime/Tensor.h"
+#include "tests/CL/CLAccessor.h"
+#include "tests/CL/CLArrayAccessor.h"
+#include "tests/datasets/BorderModeDataset.h"
+#include "tests/datasets/OpticalFlowDataset.h"
+#include "tests/framework/Asserts.h"
+#include "tests/framework/Macros.h"
+#include "tests/framework/datasets/Datasets.h"
+#include "tests/validation/Validation.h"
+#include "tests/validation/fixtures/OpticalFlowFixture.h"
+
+namespace arm_compute
+{
+namespace test
+{
+namespace validation
+{
+TEST_SUITE(CL)
+TEST_SUITE(OpticalFlow)
+
+// *INDENT-OFF*
+// clang-format off
+using CLOpticalFlowFixture = OpticalFlowValidationFixture<CLTensor,
+                                                          CLAccessor,
+                                                          CLKeyPointArray,
+                                                          CLArrayAccessor<KeyPoint>,
+                                                          CLOpticalFlow,
+                                                          CLPyramid,
+                                                          CLGaussianPyramidHalf,
+                                                          uint8_t>;
+
+FIXTURE_DATA_TEST_CASE(RunSmall, CLOpticalFlowFixture, framework::DatasetMode::PRECOMMIT, combine(combine(
+                       datasets::SmallOpticalFlowDataset(),
+                       framework::dataset::make("Format", Format::U8)),
+                       datasets::BorderModes()))
+{
+    // Validate output
+    CLArrayAccessor<KeyPoint> array(_target);
+
+    validate_keypoints(array.buffer(),
+                       array.buffer() + array.num_values(),
+                       _reference.begin(),
+                       _reference.end());
+}
+
+FIXTURE_DATA_TEST_CASE(RunLarge, CLOpticalFlowFixture, framework::DatasetMode::NIGHTLY, combine(combine(
+                       datasets::LargeOpticalFlowDataset(),
+                       framework::dataset::make("Format", Format::U8)),
+                       datasets::BorderModes()))
+{
+    // Validate output
+    CLArrayAccessor<KeyPoint> array(_target);
+
+    validate_keypoints(array.buffer(),
+                       array.buffer() + array.num_values(),
+                       _reference.begin(),
+                       _reference.end());
+}
+// clang-format on
+// *INDENT-ON*
+
+TEST_SUITE_END()
+TEST_SUITE_END()
+} // namespace validation
+} // namespace test
+} // namespace arm_compute