1 /**
2 * Copyright (c) 2021-2022 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16 #include "util/enum_tag.h"
17
18 #include "util/tests/verifier_test.h"
19
20 #include <gtest/gtest.h>
21
22 namespace {
23
24 enum class Numbers { ONE, TWO, THREE, FOUR, FIVE };
25
26 } // namespace
27
28 namespace panda::verifier::test {
29
TEST_F(VerifierTest,EnumTag)30 TEST_F(VerifierTest, EnumTag)
31 {
32 using EnumTag5 = TagForEnum<Numbers, Numbers::ONE, Numbers::TWO, Numbers::THREE, Numbers::FOUR, Numbers::FIVE>;
33
34 ASSERT_EQ(EnumTag5::Size, 5);
35 EXPECT_EQ(EnumTag5::Bits, 3);
36 EXPECT_EQ(EnumTag5::GetIndexFor(Numbers::TWO), 1);
37 EXPECT_EQ(EnumTag5::GetValueFor(3), Numbers::FOUR);
38
39 using EnumTag3 = TagForEnum<Numbers, Numbers::ONE, Numbers::TWO, Numbers::THREE>;
40
41 ASSERT_EQ(EnumTag3::Size, 3);
42 EXPECT_EQ(EnumTag3::Bits, 2);
43 EXPECT_EQ(EnumTag3::GetIndexFor(Numbers::TWO), 1);
44 EXPECT_EQ(EnumTag3::GetValueFor(0), Numbers::ONE);
45 }
46
47 } // namespace panda::verifier::test