Add unit test suites (#3490)

tests/unit/shared-utils/bh_list_test.cc

@@ -0,0 +1,137 @@
+/*
+ * Copyright (C) 2019 Intel Corporation. All rights reserved.
+ * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+ */
+
+#include "bh_platform.h"
+
+#include "test_helper.h"
+#include "gtest/gtest.h"
+
+class bh_list_test_suite : 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() {}
+
+    // 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() {}
+
+  public:
+    WAMRRuntimeRAII<512 * 1024> runtime;
+};
+
+TEST_F(bh_list_test_suite, bh_list_init)
+{
+    bh_list list_test;
+
+    // Normally.
+    EXPECT_EQ(BH_LIST_SUCCESS, bh_list_init(&list_test));
+
+    // Illegal parameters.
+    EXPECT_EQ(BH_LIST_ERROR, bh_list_init(nullptr));
+}
+
+TEST_F(bh_list_test_suite, bh_list_insert)
+{
+    bh_list list_test;
+    bh_list_link elem_insert;
+
+    // Normally.
+    bh_list_init(&list_test);
+    EXPECT_EQ(BH_LIST_SUCCESS, bh_list_insert(&list_test, &elem_insert));
+
+    // Illegal parameters.
+    EXPECT_EQ(BH_LIST_ERROR, bh_list_insert(nullptr, nullptr));
+    EXPECT_EQ(BH_LIST_ERROR, bh_list_insert(&list_test, nullptr));
+}
+
+TEST_F(bh_list_test_suite, bh_list_remove)
+{
+    bh_list list_test;
+    bh_list_link elem_insert_1;
+    bh_list_link elem_insert_2;
+    bh_list_link elem_insert_3;
+    bh_list_link elem_insert_4;
+
+    // Normally.
+    bh_list_init(&list_test);
+    bh_list_insert(&list_test, &elem_insert_1);
+    bh_list_insert(&list_test, &elem_insert_2);
+    bh_list_insert(&list_test, &elem_insert_3);
+    bh_list_insert(&list_test, &elem_insert_4);
+    EXPECT_EQ(BH_LIST_SUCCESS, bh_list_remove(&list_test, &elem_insert_1));
+
+    // The elem specified by prameter is not in the list.
+    EXPECT_EQ(BH_LIST_ERROR, bh_list_remove(&list_test, &elem_insert_1));
+
+    // Illegal parameters.
+    EXPECT_EQ(BH_LIST_ERROR, bh_list_remove(&list_test, nullptr));
+    EXPECT_EQ(BH_LIST_ERROR, bh_list_remove(nullptr, nullptr));
+    EXPECT_EQ(BH_LIST_ERROR, bh_list_remove(nullptr, &elem_insert_1));
+}
+
+TEST_F(bh_list_test_suite, bh_list_length)
+{
+    bh_list list_test;
+    bh_list_link elem_insert_1;
+    bh_list_link elem_insert_2;
+
+    bh_list_init(&list_test);
+
+    // The length is 0.
+    EXPECT_EQ(0, bh_list_length(&list_test));
+
+    // The length is 2.
+    bh_list_insert(&list_test, &elem_insert_1);
+    bh_list_insert(&list_test, &elem_insert_2);
+    EXPECT_EQ(2, bh_list_length(&list_test));
+
+    // Illegal parameters.
+    EXPECT_EQ(0, bh_list_length(nullptr));
+}
+
+TEST_F(bh_list_test_suite, bh_list_first_elem)
+{
+    bh_list list_test;
+    bh_list_link elem_insert_1;
+    bh_list_link elem_insert_2;
+
+    bh_list_init(&list_test);
+
+    // There is no element in the list.
+    EXPECT_EQ(nullptr, bh_list_first_elem(&list_test));
+
+    // There are 2 elements in the list.
+    bh_list_insert(&list_test, &elem_insert_1);
+    bh_list_insert(&list_test, &elem_insert_2);
+    EXPECT_EQ(&elem_insert_2, bh_list_first_elem(&list_test));
+
+    // Illegal parameters.
+    EXPECT_EQ(nullptr, bh_list_first_elem(nullptr));
+}
+
+TEST_F(bh_list_test_suite, bh_list_elem_next)
+{
+    bh_list list_test;
+    bh_list_link elem_insert_1;
+    bh_list_link elem_insert_2;
+
+    bh_list_init(&list_test);
+    bh_list_insert(&list_test, &elem_insert_1);
+    bh_list_insert(&list_test, &elem_insert_2);
+
+    // Normally.
+    EXPECT_EQ(&elem_insert_1, bh_list_elem_next(&elem_insert_2));
+
+    // Illegal parameters.
+    EXPECT_EQ(nullptr, bh_list_elem_next(nullptr));
+}