1 files changed, 89 insertions, 0 deletions
diff --git a/compiler/kuma/src/kuma.test.cpp b/compiler/kuma/src/kuma.test.cpp
new file mode 100644
index 000000000..5d947ea6b
--- /dev/null
+++ b/compiler/kuma/src/kuma.test.cpp
@@ -0,0 +1,89 @@
+/*
+ * Copyright (c) 2020 Samsung Electronics Co., Ltd. All Rights Reserved
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "kuma.h"
+
+#include <gtest/gtest.h>
+
+using namespace kuma;
+
+TEST(GreedyAlgorithmTests, empty)
+{
+  struct ContextImpl : public Context<Algorithm::Greedy>
+  {
+    uint32_t item_count(void) const final { return 0; }
+    ItemSize item_size(const ItemID &) const final { throw std::runtime_error{"error"}; }
+
+    void mem_offset(const ItemID &, const MemoryOffset &) { throw std::runtime_error{"error"}; };
+    void mem_total(const MemorySize &total) final { _total = total; }
+
+    uint32_t _total = 0xffffffff;
+  };
+
+  ContextImpl ctx;
+
+  solve(&ctx);
+
+  ASSERT_EQ(ctx._total, 0);
+}
+
+TEST(LinearScanFirstFitTests, reuse)
+{
+  struct ContextImpl : public Context<Algorithm::LinearScanFirstFit>
+  {
+    uint32_t item_count(void) const final { return 3; }
+    ItemSize item_size(const ItemID &) const final { return 4; }
+
+    std::set<ItemID> conflict_with(const ItemID &id) const
+    {
+      // 0 <-> 1 <-> 2
+      switch (id)
+      {
+        case 0:
+          return std::set<ItemID>({1});
+        case 1:
+          return std::set<ItemID>({0, 2});
+        case 2:
+          return std::set<ItemID>({1});
+        default:
+          break;
+      };
+
+      throw std::runtime_error{"Invalid"};
+    }
+
+    void mem_offset(const ItemID &id, const MemoryOffset &offset) { _offsets[id] = offset; };
+    void mem_total(const MemorySize &total) final { _total = total; }
+
+    uint32_t _offsets[3];
+    uint32_t _total = 0xffffffff;
+  };
+
+  ContextImpl ctx;
+
+  solve(&ctx);
+
+  // EXPECTED MEMORY LAYOUT:
+  // ------------------ 0
+  // | ITEM 0, ITEM 2 |
+  // ------------------ 4
+  // | ITEM 1         |
+  // ------------------ 8
+  ASSERT_EQ(ctx._total, 8);
+  ASSERT_EQ(ctx._offsets[0], 0);
+  ASSERT_EQ(ctx._offsets[1], 4);
+  ASSERT_EQ(ctx._offsets[2], 0);
+}