Add unit test suites (#3490)

tests/unit/interpreter/interpreter_test.cc

@@ -0,0 +1,50 @@
+/*
+ * Copyright (C) 2019 Intel Corporation. All rights reserved.
+ * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+ */
+
+#include <limits.h>
+#include "gtest/gtest.h"
+#include "wasm_runtime_common.h"
+#include "bh_platform.h"
+
+// To use a test fixture, derive a class from testing::Test.
+class InterpreterTest : public testing::Test
+{
+  protected:
+    // You should make the members protected s.t. they can be
+    // accessed from sub-classes.
+
+    // virtual void SetUp() will be called before each test is run.  You
+    // should define it if you need to initialize the varaibles.
+    // Otherwise, this can be skipped.
+    virtual void SetUp()
+    {
+        memset(&init_args, 0, sizeof(RuntimeInitArgs));
+
+        init_args.mem_alloc_type = Alloc_With_Pool;
+        init_args.mem_alloc_option.pool.heap_buf = global_heap_buf;
+        init_args.mem_alloc_option.pool.heap_size = sizeof(global_heap_buf);
+
+        ASSERT_EQ(wasm_runtime_full_init(&init_args), true);
+    }
+
+    // virtual void TearDown() will be called after each test is run.
+    // You should define it if there is cleanup work to do.  Otherwise,
+    // you don't have to provide it.
+    //
+    virtual void TearDown() { wasm_runtime_destroy(); }
+
+  public:
+    char global_heap_buf[512 * 1024];
+    RuntimeInitArgs init_args;
+};
+
+TEST_F(InterpreterTest, wasm_runtime_is_built_in_module)
+{
+    bool ret = wasm_runtime_is_built_in_module("env");
+    ASSERT_TRUE(ret);
+
+    ret = ret = wasm_runtime_is_built_in_module("env1");
+    ASSERT_FALSE(ret);
+}