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diff --git a/test/source/ConceptImpls.h b/test/source/ConceptImpls.h
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+/////////////////////////////////////////////////////////////////////////////
+// Copyright (c) Electronic Arts Inc. All rights reserved.
+/////////////////////////////////////////////////////////////////////////////
+
+#ifndef CONCEPTSIMPLS_H
+#define CONCEPTSIMPLS_H
+
+#include <EASTL/type_traits.h>
+
+#if !defined(EA_COMPILER_NO_DEFAULTED_FUNCTIONS) && !defined(EA_COMPILER_NO_DELETED_FUNCTIONS)
+
+#define EASTL_TEST_CONCEPT_IMPLS
+
+// This header provides a variety of helper classes that have interfaces corresponding to the concepts used to specify
+// requirements of many STL containers and algorithms. These helper classes are used in tests to verify that containers
+// and algorithms do not impose stricter requirements than specified by the standard on their arguments.
+
+// Destructible - only valid operation on this class is to destroy it.
+
+class Destructible
+{
+public:
+	~Destructible() = default;
+
+	Destructible() = delete;
+	Destructible(const Destructible&) = delete;
+	Destructible(Destructible&&) = delete;
+	Destructible& operator=(const Destructible&) = delete;
+	Destructible& operator=(Destructible&&) = delete;
+};
+
+// Unfortunately not all compilers handle type_traits reliably correctly currently so we can't straightforwardly
+// static_assert everything that should be true of this class
+static_assert(eastl::is_destructible<Destructible>::value, "eastl::is_destructible<Destructible>::value");
+// static_assert(!eastl::is_default_constructible<Destructible>::value,
+// "!eastl::is_default_constructible<Destructible>::value");
+// static_assert(!is_copy_constructible<Destructible>::value, "!eastl::is_copy_constructible<Destructible>::value");
+static_assert(!eastl::is_copy_assignable<Destructible>::value, "!eastl::is_copy_assignable<Destructible>::value");
+// static_assert(!eastl::is_move_constructible<Destructible>::value,
+// "!eastl::is_move_constructible<Destructible>::value");
+static_assert(!eastl::is_move_assignable<Destructible>::value, "!eastl::is_move_assignable<Destructible>::value");
+
+class DefaultConstructible
+{
+public:
+	static const int defaultValue = 42;
+
+	DefaultConstructible() : value(defaultValue) {}
+	~DefaultConstructible() = default;
+
+	DefaultConstructible(const DefaultConstructible&) = delete;
+	DefaultConstructible(DefaultConstructible&&) = delete;
+	DefaultConstructible& operator=(const DefaultConstructible&) = delete;
+	DefaultConstructible& operator=(DefaultConstructible&&) = delete;
+
+	const int value;
+};
+
+
+struct NotDefaultConstructible
+{
+	NotDefaultConstructible() = delete;
+};
+static_assert(!eastl::is_default_constructible<NotDefaultConstructible>::value, "'NotDefaultConstructible' is default constructible.");
+
+
+class CopyConstructible
+{
+public:
+	static const int defaultValue = 42;
+	static CopyConstructible Create()
+	{
+		CopyConstructible x;
+		return x;
+	}
+
+	CopyConstructible(const CopyConstructible&) = default;
+	~CopyConstructible() = default;
+
+	CopyConstructible& operator=(const CopyConstructible&) = delete;
+	CopyConstructible& operator=(CopyConstructible&&) = delete;
+
+	const int value;
+
+private:
+	CopyConstructible() : value(defaultValue) {}
+};
+
+// Unfortunately not all compilers handle type_traits reliably correctly currently so we can't straightforwardly
+// static_assert everything that should be true of this class
+static_assert(eastl::is_destructible<CopyConstructible>::value, "eastl::is_destructible<CopyConstructible>::value");
+// static_assert(!eastl::is_default_constructible<CopyConstructible>::value,
+// "!eastl::is_default_constructible<CopyConstructible>::value");
+// static_assert(is_copy_constructible<CopyConstructible>::value, "is_copy_constructible<CopyConstructible>::value");
+static_assert(eastl::is_copy_constructible<CopyConstructible>::value,
+			  "eastl::is_copy_constructible<CopyConstructible>::value");
+static_assert(!eastl::is_copy_assignable<CopyConstructible>::value,
+			  "!eastl::is_copy_assignable<CopyConstructible>::value");
+// static_assert(!eastl::is_move_constructible<CopyConstructible>::value,
+// "!eastl::is_move_constructible<CopyConstructible>::value");
+static_assert(!eastl::is_move_assignable<CopyConstructible>::value,
+			  "!eastl::is_move_assignable<CopyConstructible>::value");
+
+class MoveConstructible
+{
+public:
+	static const int defaultValue = 42;
+	static MoveConstructible Create()
+	{
+		return MoveConstructible{};
+	}
+
+	MoveConstructible(MoveConstructible&& x) : value(x.value) {}
+	~MoveConstructible() = default;
+
+	MoveConstructible(const MoveConstructible&) = delete;
+	MoveConstructible& operator=(const MoveConstructible&) = delete;
+	MoveConstructible& operator=(MoveConstructible&&) = delete;
+
+	const int value;
+
+private:
+	MoveConstructible() : value(defaultValue) {}
+};
+
+class MoveAssignable
+{
+public:
+	static const int defaultValue = 42;
+	static MoveAssignable Create()
+	{
+		return MoveAssignable{};
+	}
+
+	MoveAssignable(MoveAssignable&& x) : value(x.value) {}
+	MoveAssignable& operator=(MoveAssignable&& x)
+	{
+		value = x.value;
+		return *this;
+	}
+	~MoveAssignable() = default;
+
+	MoveAssignable(const MoveAssignable&) = delete;
+	MoveAssignable& operator=(const MoveAssignable&) = delete;
+
+	int value;
+
+private:
+	MoveAssignable() : value(defaultValue) {}
+};
+
+struct MoveAndDefaultConstructible
+{
+	static const int defaultValue = 42;
+
+	MoveAndDefaultConstructible() : value(defaultValue) {}
+	MoveAndDefaultConstructible(MoveAndDefaultConstructible&& x) : value(x.value) {}
+	~MoveAndDefaultConstructible() = default;
+
+	MoveAndDefaultConstructible(const MoveAndDefaultConstructible&) = delete;
+	MoveAndDefaultConstructible& operator=(const MoveAndDefaultConstructible&) = delete;
+	MoveAndDefaultConstructible& operator=(MoveAndDefaultConstructible&&) = delete;
+
+	const int value;
+};
+
+struct MissingMoveConstructor
+{
+	MissingMoveConstructor() {}
+	MissingMoveConstructor(const MissingMoveConstructor&) {}
+	MissingMoveConstructor& operator=(MissingMoveConstructor&&) { return *this; }
+	MissingMoveConstructor& operator=(const MissingMoveConstructor&) { return *this; }
+	bool operator<(const MissingMoveConstructor&) const { return true; }
+};
+
+struct MissingMoveAssignable
+{
+	MissingMoveAssignable() {}
+	MissingMoveAssignable(const MissingMoveAssignable&) {}
+	MissingMoveAssignable(MissingMoveAssignable&&) {}
+	MissingMoveAssignable& operator=(const MissingMoveAssignable&) { return *this; }
+	bool operator<(const MissingMoveAssignable&) const { return true; }
+};
+
+struct MissingEquality
+{
+	MissingEquality& operator==(const MissingEquality&) = delete;
+};
+
+#endif  // !defined(EA_COMPILER_NO_DEFAULTED_FUNCTIONS) && !defined(EA_COMPILER_NO_DELETED_FUNCTIONS)
+
+#endif  // CONCEPTSIMPLS_H