1#include <map>
2#include <string>
3#include <vector>
4
5#include "../src/benchmark_register.h"
6#include "benchmark/benchmark.h"
7#include "gmock/gmock.h"
8#include "gtest/gtest.h"
9
10namespace benchmark {
11namespace internal {
12
13namespace {
14
15TEST(AddRangeTest, Simple) {
16 std::vector<int> dst;
17 AddRange(&dst, 1, 2, 2);
18 EXPECT_THAT(dst, testing::ElementsAre(1, 2));
19}
20
21TEST(AddRangeTest, Simple64) {
22 std::vector<int64_t> dst;
23 AddRange(&dst, static_cast<int64_t>(1), static_cast<int64_t>(2), 2);
24 EXPECT_THAT(dst, testing::ElementsAre(1, 2));
25}
26
27TEST(AddRangeTest, Advanced) {
28 std::vector<int> dst;
29 AddRange(&dst, 5, 15, 2);
30 EXPECT_THAT(dst, testing::ElementsAre(5, 8, 15));
31}
32
33TEST(AddRangeTest, Advanced64) {
34 std::vector<int64_t> dst;
35 AddRange(&dst, static_cast<int64_t>(5), static_cast<int64_t>(15), 2);
36 EXPECT_THAT(dst, testing::ElementsAre(5, 8, 15));
37}
38
39TEST(AddRangeTest, FullRange8) {
40 std::vector<int8_t> dst;
41 AddRange(&dst, int8_t{1}, std::numeric_limits<int8_t>::max(), int8_t{8});
42 EXPECT_THAT(
43 dst, testing::ElementsAre(int8_t{1}, int8_t{8}, int8_t{64}, int8_t{127}));
44}
45
46TEST(AddRangeTest, FullRange64) {
47 std::vector<int64_t> dst;
48 AddRange(&dst, int64_t{1}, std::numeric_limits<int64_t>::max(), 1024);
49 EXPECT_THAT(
50 dst, testing::ElementsAre(1LL, 1024LL, 1048576LL, 1073741824LL,
51 1099511627776LL, 1125899906842624LL,
52 1152921504606846976LL, 9223372036854775807LL));
53}
54
55TEST(AddRangeTest, NegativeRanges) {
56 std::vector<int> dst;
57 AddRange(&dst, -8, 0, 2);
58 EXPECT_THAT(dst, testing::ElementsAre(-8, -4, -2, -1, 0));
59}
60
61TEST(AddRangeTest, StrictlyNegative) {
62 std::vector<int> dst;
63 AddRange(&dst, -8, -1, 2);
64 EXPECT_THAT(dst, testing::ElementsAre(-8, -4, -2, -1));
65}
66
67TEST(AddRangeTest, SymmetricNegativeRanges) {
68 std::vector<int> dst;
69 AddRange(&dst, -8, 8, 2);
70 EXPECT_THAT(dst, testing::ElementsAre(-8, -4, -2, -1, 0, 1, 2, 4, 8));
71}
72
73TEST(AddRangeTest, SymmetricNegativeRangesOddMult) {
74 std::vector<int> dst;
75 AddRange(&dst, -30, 32, 5);
76 EXPECT_THAT(dst, testing::ElementsAre(-30, -25, -5, -1, 0, 1, 5, 25, 32));
77}
78
79TEST(AddRangeTest, NegativeRangesAsymmetric) {
80 std::vector<int> dst;
81 AddRange(&dst, -3, 5, 2);
82 EXPECT_THAT(dst, testing::ElementsAre(-3, -2, -1, 0, 1, 2, 4, 5));
83}
84
85TEST(AddRangeTest, NegativeRangesLargeStep) {
86 // Always include -1, 0, 1 when crossing zero.
87 std::vector<int> dst;
88 AddRange(&dst, -8, 8, 10);
89 EXPECT_THAT(dst, testing::ElementsAre(-8, -1, 0, 1, 8));
90}
91
92TEST(AddRangeTest, ZeroOnlyRange) {
93 std::vector<int> dst;
94 AddRange(&dst, 0, 0, 2);
95 EXPECT_THAT(dst, testing::ElementsAre(0));
96}
97
98TEST(AddRangeTest, ZeroStartingRange) {
99 std::vector<int> dst;
100 AddRange(&dst, 0, 2, 2);
101 EXPECT_THAT(dst, testing::ElementsAre(0, 1, 2));
102}
103
104TEST(AddRangeTest, NegativeRange64) {
105 std::vector<int64_t> dst;
106 AddRange<int64_t>(&dst, -4, 4, 2);
107 EXPECT_THAT(dst, testing::ElementsAre(-4, -2, -1, 0, 1, 2, 4));
108}
109
110TEST(AddRangeTest, NegativeRangePreservesExistingOrder) {
111 // If elements already exist in the range, ensure we don't change
112 // their ordering by adding negative values.
113 std::vector<int64_t> dst = {1, 2, 3};
114 AddRange<int64_t>(&dst, -2, 2, 2);
115 EXPECT_THAT(dst, testing::ElementsAre(1, 2, 3, -2, -1, 0, 1, 2));
116}
117
118TEST(AddRangeTest, FullNegativeRange64) {
119 std::vector<int64_t> dst;
120 const auto min = std::numeric_limits<int64_t>::min();
121 const auto max = std::numeric_limits<int64_t>::max();
122 AddRange(&dst, min, max, 1024);
123 EXPECT_THAT(
124 dst, testing::ElementsAreArray(std::vector<int64_t>{
125 min, -1152921504606846976LL, -1125899906842624LL,
126 -1099511627776LL, -1073741824LL, -1048576LL, -1024LL, -1LL, 0LL,
127 1LL, 1024LL, 1048576LL, 1073741824LL, 1099511627776LL,
128 1125899906842624LL, 1152921504606846976LL, max}));
129}
130
131TEST(AddRangeTest, Simple8) {
132 std::vector<int8_t> dst;
133 AddRange<int8_t>(&dst, int8_t{1}, int8_t{8}, int8_t{2});
134 EXPECT_THAT(dst,
135 testing::ElementsAre(int8_t{1}, int8_t{2}, int8_t{4}, int8_t{8}));
136}
137
138TEST(AddCustomContext, Simple) {
139 std::map<std::string, std::string> *&global_context = GetGlobalContext();
140 EXPECT_THAT(global_context, nullptr);
141
142 AddCustomContext("foo", "bar");
143 AddCustomContext("baz", "qux");
144
145 EXPECT_THAT(*global_context,
146 testing::UnorderedElementsAre(testing::Pair("foo", "bar"),
147 testing::Pair("baz", "qux")));
148
149 delete global_context;
150 global_context = nullptr;
151}
152
153TEST(AddCustomContext, DuplicateKey) {
154 std::map<std::string, std::string> *&global_context = GetGlobalContext();
155 EXPECT_THAT(global_context, nullptr);
156
157 AddCustomContext("foo", "bar");
158 AddCustomContext("foo", "qux");
159
160 EXPECT_THAT(*global_context,
161 testing::UnorderedElementsAre(testing::Pair("foo", "bar")));
162
163 delete global_context;
164 global_context = nullptr;
165}
166
167} // namespace
168} // namespace internal
169} // namespace benchmark
170

source code of third-party/benchmark/test/benchmark_gtest.cc