--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mlir/unittests/ExecutionEngine/DynamicMemRef.cpp	Wed Nov 09 17:45:10 2022 +0900
@@ -0,0 +1,99 @@
+//===- DynamicMemRef.cpp ----------------------------------------*- C++ -*-===//
+//
+// This file is licensed under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#include "mlir/ExecutionEngine/CRunnerUtils.h"
+#include "llvm/ADT/SmallVector.h"
+
+#include "gmock/gmock.h"
+
+using namespace ::mlir;
+using namespace ::testing;
+
+TEST(DynamicMemRef, rankZero) {
+  int data = 57;
+
+  StridedMemRefType<int, 0> memRef;
+  memRef.basePtr = &data;
+  memRef.data = &data;
+  memRef.offset = 0;
+
+  DynamicMemRefType<int> dynamicMemRef(memRef);
+
+  llvm::SmallVector<int, 1> values(dynamicMemRef.begin(), dynamicMemRef.end());
+  EXPECT_THAT(values, ElementsAre(57));
+}
+
+TEST(DynamicMemRef, rankOne) {
+  std::array<int, 3> data;
+
+  for (size_t i = 0; i < data.size(); ++i) {
+    data[i] = i;
+  }
+
+  StridedMemRefType<int, 1> memRef;
+  memRef.basePtr = data.data();
+  memRef.data = data.data();
+  memRef.offset = 0;
+  memRef.sizes[0] = 3;
+  memRef.strides[0] = 1;
+
+  DynamicMemRefType<int> dynamicMemRef(memRef);
+
+  llvm::SmallVector<int, 3> values(dynamicMemRef.begin(), dynamicMemRef.end());
+  EXPECT_THAT(values, ElementsAreArray(data));
+
+  for (int64_t i = 0; i < 3; ++i) {
+    EXPECT_EQ(*dynamicMemRef[i], data[i]);
+  }
+}
+
+TEST(DynamicMemRef, rankTwo) {
+  std::array<int, 6> data;
+
+  for (size_t i = 0; i < data.size(); ++i) {
+    data[i] = i;
+  }
+
+  StridedMemRefType<int, 2> memRef;
+  memRef.basePtr = data.data();
+  memRef.data = data.data();
+  memRef.offset = 0;
+  memRef.sizes[0] = 2;
+  memRef.sizes[1] = 3;
+  memRef.strides[0] = 3;
+  memRef.strides[1] = 1;
+
+  DynamicMemRefType<int> dynamicMemRef(memRef);
+
+  llvm::SmallVector<int, 6> values(dynamicMemRef.begin(), dynamicMemRef.end());
+  EXPECT_THAT(values, ElementsAreArray(data));
+}
+
+TEST(DynamicMemRef, rankThree) {
+  std::array<int, 24> data;
+
+  for (size_t i = 0; i < data.size(); ++i) {
+    data[i] = i;
+  }
+
+  StridedMemRefType<int, 3> memRef;
+  memRef.basePtr = data.data();
+  memRef.data = data.data();
+  memRef.offset = 0;
+  memRef.sizes[0] = 2;
+  memRef.sizes[1] = 3;
+  memRef.sizes[2] = 4;
+  memRef.strides[0] = 12;
+  memRef.strides[1] = 4;
+  memRef.strides[2] = 1;
+
+  DynamicMemRefType<int> dynamicMemRef(memRef);
+
+  llvm::SmallVector<int, 24> values(dynamicMemRef.begin(), dynamicMemRef.end());
+  EXPECT_THAT(values, ElementsAreArray(data));
+}
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