1 /*
2 * Copyright 2020 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #include <gtest/gtest.h>
18 #include <ftl/NamedEnum.h>
19
20 namespace android {
21
22 // Test enum class maximum enum value smaller than default maximum of 8.
23 enum class TestEnums { ZERO = 0x0, ONE = 0x1, TWO = 0x2, THREE = 0x3, SEVEN = 0x7 };
24 // Big enum contains enum values greater than default maximum of 8.
25 enum class TestBigEnums { ZERO = 0x0, FIFTEEN = 0xF };
26
27 // Declared to specialize the maximum enum since the enum size exceeds 8 by default.
28 template <>
29 constexpr size_t NamedEnum::max<TestBigEnums> = 16;
30
31 namespace test {
32 using android::TestBigEnums;
33 using android::TestEnums;
34
TEST(NamedEnum,RuntimeNamedEnum)35 TEST(NamedEnum, RuntimeNamedEnum) {
36 TestEnums e = TestEnums::ZERO;
37 ASSERT_EQ(NamedEnum::enum_name(e), "ZERO");
38
39 e = TestEnums::ONE;
40 ASSERT_EQ(NamedEnum::enum_name(e), "ONE");
41
42 e = TestEnums::THREE;
43 ASSERT_EQ(NamedEnum::enum_name(e), "THREE");
44
45 e = TestEnums::SEVEN;
46 ASSERT_EQ(NamedEnum::enum_name(e), "SEVEN");
47 }
48
49 // Test big enum
TEST(NamedEnum,RuntimeBigNamedEnum)50 TEST(NamedEnum, RuntimeBigNamedEnum) {
51 TestBigEnums e = TestBigEnums::ZERO;
52 ASSERT_EQ(NamedEnum::enum_name(e), "ZERO");
53
54 e = TestBigEnums::FIFTEEN;
55 ASSERT_EQ(NamedEnum::enum_name(e), "FIFTEEN");
56 }
57
TEST(NamedEnum,RuntimeNamedEnumAsString)58 TEST(NamedEnum, RuntimeNamedEnumAsString) {
59 TestEnums e = TestEnums::ZERO;
60 ASSERT_EQ(NamedEnum::string(e), "ZERO");
61
62 e = TestEnums::ONE;
63 ASSERT_EQ(NamedEnum::string(e), "ONE");
64
65 e = TestEnums::THREE;
66 ASSERT_EQ(NamedEnum::string(e), "THREE");
67
68 e = TestEnums::SEVEN;
69 ASSERT_EQ(NamedEnum::string(e), "SEVEN");
70 }
71
TEST(NamedEnum,RuntimeBigNamedEnumAsString)72 TEST(NamedEnum, RuntimeBigNamedEnumAsString) {
73 TestBigEnums e = TestBigEnums::ZERO;
74 ASSERT_EQ(NamedEnum::string(e), "ZERO");
75
76 e = TestBigEnums::FIFTEEN;
77 ASSERT_EQ(NamedEnum::string(e), "FIFTEEN");
78 }
79
TEST(NamedEnum,RuntimeUnknownNamedEnum)80 TEST(NamedEnum, RuntimeUnknownNamedEnum) {
81 TestEnums e = static_cast<TestEnums>(0x5);
82 ASSERT_EQ(NamedEnum::enum_name(e), std::nullopt);
83 e = static_cast<TestEnums>(0x9);
84 ASSERT_EQ(NamedEnum::enum_name(e), std::nullopt);
85 }
86
TEST(NamedEnum,RuntimeUnknownNamedEnumAsString)87 TEST(NamedEnum, RuntimeUnknownNamedEnumAsString) {
88 TestEnums e = static_cast<TestEnums>(0x5);
89 ASSERT_EQ(NamedEnum::string(e), "05");
90 e = static_cast<TestEnums>(0x9);
91 ASSERT_EQ(NamedEnum::string(e, "0x%08x"), "0x00000009");
92 }
93
TEST(NamedEnum,CompileTimeFlagName)94 TEST(NamedEnum, CompileTimeFlagName) {
95 static_assert(NamedEnum::enum_name<TestEnums::TWO>() == "TWO");
96 static_assert(NamedEnum::enum_name<TestEnums::THREE>() == "THREE");
97 }
98
99 } // namespace test
100
101 } // namespace android
102