COMPMID-415: New framework - datasets [2/5]

Change-Id: Ice4e5d73f40ba2f105663924393afcc88db07973
Reviewed-on: http://mpd-gerrit.cambridge.arm.com/79756
Tested-by: Kaizen <jeremy.johnson+kaizengerrit@arm.com>
Reviewed-by: Georgios Pinitas <georgios.pinitas@arm.com>
Reviewed-by: Anthony Barbier <anthony.barbier@arm.com>
diff --git a/framework/datasets/ContainerDataset.h b/framework/datasets/ContainerDataset.h
new file mode 100644
index 0000000..af68543
--- /dev/null
+++ b/framework/datasets/ContainerDataset.h
@@ -0,0 +1,148 @@
+/*
+ * Copyright (c) 2017 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.
+ */
+#ifndef ARM_COMPUTE_TEST_DATASET_CONTAINER
+#define ARM_COMPUTE_TEST_DATASET_CONTAINER
+
+#include "Dataset.h"
+#include "support/ToolchainSupport.h"
+
+#include <string>
+#include <tuple>
+#include <type_traits>
+#include <utility>
+#include <vector>
+
+namespace arm_compute
+{
+namespace test
+{
+namespace framework
+{
+namespace dataset
+{
+/** Base case. Nothing is a container. */
+template <typename T>
+struct is_container : public std::false_type
+{
+};
+
+/** Vector is considered a container. */
+template <typename V, typename A>
+struct is_container<std::vector<V, A>> : public std::true_type
+{
+};
+
+/** Implementation of a dataset created from a container. */
+template <typename T>
+class ContainerDataset final : public NamedDataset
+{
+private:
+    using container_value_type     = typename T::value_type;
+    using container_const_iterator = typename T::const_iterator;
+
+public:
+    /** Construct dataset with given name and values from the container.
+     *
+     * @param[in] name      Description of the values.
+     * @param[in] container Values for the dataset.
+     */
+    ContainerDataset(std::string name, T &&container)
+        : NamedDataset{ std::move(name) }, _container{ std::forward<T>(container) }
+    {
+    }
+
+    ContainerDataset(ContainerDataset &&) = default;
+
+    /** Type of the dataset. */
+    using type = std::tuple<container_value_type>;
+
+    /** Iterator for the dataset. */
+    struct iterator
+    {
+        iterator(std::string name, container_const_iterator iterator)
+            : _name{ name }, _iterator{ iterator }
+        {
+        }
+
+        std::string description() const
+        {
+            using support::cpp11::to_string;
+            return _name + "=" + to_string(*_iterator);
+        }
+
+        ContainerDataset::type operator*() const
+        {
+            return std::make_tuple(*_iterator);
+        }
+
+        iterator &operator++()
+        {
+            ++_iterator;
+            return *this;
+        }
+
+    private:
+        std::string              _name;
+        container_const_iterator _iterator;
+    };
+
+    /** Iterator pointing at the begin of the dataset.
+     *
+     * @return Iterator for the dataset.
+     */
+    iterator begin() const
+    {
+        return iterator(name(), _container.cbegin());
+    }
+
+    /** Size of the dataset.
+     *
+     * @return Number of values in the dataset.
+     */
+    int size() const
+    {
+        return _container.size();
+    }
+
+private:
+    T _container;
+};
+
+/** Helper function to create a @ref ContainerDataset.
+ *
+ * @param[in] name   Name of the dataset.
+ * @param[in] values Container.
+ *
+ * @return A container dataset.
+ */
+template <typename T>
+typename std::enable_if<is_container<T>::value, ContainerDataset<T>>::type make(std::string name, T &&values)
+{
+    return ContainerDataset<T>(std::move(name), std::forward<T>(values));
+}
+} // namespace dataset
+} // namespace framework
+} // namespace test
+} // namespace arm_compute
+#endif /* ARM_COMPUTE_TEST_DATASET_CONTAINER */