Integrating latest 47acbe8

Gems/EMotionFX/Code/Tests/MCore/Array2DTests.cpp

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+/*
+* All or portions of this file Copyright (c) Amazon.com, Inc. or its affiliates or
+* its licensors.
+*
+* For complete copyright and license terms please see the LICENSE at the root of this
+* distribution (the "License"). All use of this software is governed by the License,
+* or, if provided, by the license below or the license accompanying this file. Do not
+* remove or modify any license notices. This file is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+*
+*/
+
+#include <gtest/gtest.h>
+#include <AzCore/UnitTest/TestTypes.h>
+
+#include <MCore/Source/Array2D.h>
+
+namespace MCore
+{
+    using Array2DFixture = UnitTest::ScopedAllocatorSetupFixture;
+
+    // A non-owning array view, a simple C++20 std::span stand-in
+    template<typename T>
+    class span
+    {
+    public:
+        using value_type = T;
+        using iterator = T*;
+        using const_iterator = const T*;
+
+        span() = default;
+        span(T* begin, size_t size)
+            : m_begin(begin)
+            , m_size(size)
+        {}
+
+        iterator begin() { return m_begin; }
+        const_iterator begin() const { return m_begin; }
+        iterator end() { return m_begin + m_size; }
+        const_iterator end() const { return m_begin + m_size; }
+        size_t size() const { return m_size; }
+
+    private:
+        T* m_begin;
+        size_t m_size;
+    };
+
+    TEST_F(Array2DFixture, Array2D_Swap)
+    {
+        Array2D<int> ints(2);
+        ints.Add(0, 5);
+        ints.Add(0, 6);
+        ints.Add(0, 7);
+
+        ints.Add(1, 11);
+        ints.Add(1, 21);
+        ints.Add(1, 31);
+        ints.Add(1, 41);
+
+        EXPECT_THAT(
+            span<int>(ints.GetElements(0), ints.GetNumElements(0)),
+            ::testing::Pointwise(::testing::Eq(), AZStd::vector<int> {5, 6, 7})
+        );
+        EXPECT_THAT(
+            span<int>(ints.GetElements(1), ints.GetNumElements(1)),
+            ::testing::Pointwise(::testing::Eq(), AZStd::vector<int> {11, 21, 31, 41})
+        );
+
+        ints.Swap(0, 1);
+
+        EXPECT_THAT(
+            span<int>(ints.GetElements(0), ints.GetNumElements(0)),
+            ::testing::Pointwise(::testing::Eq(), AZStd::vector<int> {11, 21, 31, 41})
+        );
+        EXPECT_THAT(
+            span<int>(ints.GetElements(1), ints.GetNumElements(1)),
+            ::testing::Pointwise(::testing::Eq(), AZStd::vector<int> {5, 6, 7})
+        );
+
+        ints.Swap(1, 0);
+
+        EXPECT_THAT(
+            span<int>(ints.GetElements(0), ints.GetNumElements(0)),
+            ::testing::Pointwise(::testing::Eq(), AZStd::vector<int> {5, 6, 7})
+        );
+        EXPECT_THAT(
+            span<int>(ints.GetElements(1), ints.GetNumElements(1)),
+            ::testing::Pointwise(::testing::Eq(), AZStd::vector<int> {11, 21, 31, 41})
+        );
+
+    }
+}