1 | #include <gtest/gtest.h> |
2 | |
3 | #include <Common/PODArray.h> |
4 | |
5 | using namespace DB; |
6 | |
7 | TEST(Common, PODArray_Insert) |
8 | { |
9 | std::string str = "test_string_abacaba" ; |
10 | PODArray<char> chars; |
11 | chars.insert(chars.end(), str.begin(), str.end()); |
12 | EXPECT_EQ(str, std::string(chars.data(), chars.size())); |
13 | |
14 | std::string insert_in_the_middle = "insert_in_the_middle" ; |
15 | auto pos = str.size() / 2; |
16 | str.insert(str.begin() + pos, insert_in_the_middle.begin(), insert_in_the_middle.end()); |
17 | chars.insert(chars.begin() + pos, insert_in_the_middle.begin(), insert_in_the_middle.end()); |
18 | EXPECT_EQ(str, std::string(chars.data(), chars.size())); |
19 | |
20 | std::string insert_with_resize; |
21 | insert_with_resize.reserve(chars.capacity() * 2); |
22 | char cur_char = 'a'; |
23 | while (insert_with_resize.size() < insert_with_resize.capacity()) |
24 | { |
25 | insert_with_resize += cur_char; |
26 | if (cur_char == 'z') |
27 | cur_char = 'a'; |
28 | else |
29 | ++cur_char; |
30 | } |
31 | str.insert(str.begin(), insert_with_resize.begin(), insert_with_resize.end()); |
32 | chars.insert(chars.begin(), insert_with_resize.begin(), insert_with_resize.end()); |
33 | EXPECT_EQ(str, std::string(chars.data(), chars.size())); |
34 | } |
35 | |