| 4 | #include "fl/stl/static_assert.h" |
| 5 | |
| 6 | FL_TEST_FILE(FL_FILEPATH) { |
| 7 | |
| 8 | using namespace fl; |
| 9 | |
| 10 | FL_TEST_CASE("fl::begin and fl::end for C arrays") { |
| 11 | FL_SUBCASE("int array") { |
| 12 | int arr[5] = {1, 2, 3, 4, 5}; |
| 13 | |
| 14 | int* b = fl::begin(arr); |
| 15 | int* e = fl::end(arr); |
| 16 | |
| 17 | FL_CHECK_EQ(b, arr); |
| 18 | FL_CHECK_EQ(e, arr + 5); |
| 19 | FL_CHECK_EQ(e - b, 5); |
| 20 | FL_CHECK_EQ(*b, 1); |
| 21 | FL_CHECK_EQ(*(e - 1), 5); |
| 22 | } |
| 23 | |
| 24 | FL_SUBCASE("const int array") { |
| 25 | const int arr[3] = {10, 20, 30}; |
| 26 | |
| 27 | const int* b = fl::begin(arr); |
| 28 | const int* e = fl::end(arr); |
| 29 | |
| 30 | FL_CHECK_EQ(b, arr); |
| 31 | FL_CHECK_EQ(e, arr + 3); |
| 32 | FL_CHECK_EQ(e - b, 3); |
| 33 | } |
| 34 | |
| 35 | FL_SUBCASE("double array") { |
| 36 | double arr[4] = {1.1, 2.2, 3.3, 4.4}; |
| 37 | |
| 38 | double* b = fl::begin(arr); |
| 39 | double* e = fl::end(arr); |
| 40 | |
| 41 | FL_CHECK_EQ(e - b, 4); |
| 42 | FL_CHECK(doctest::Approx(*b).epsilon(0.001) == 1.1); |
| 43 | } |
| 44 | |
| 45 | FL_SUBCASE("single element array") { |
| 46 | int arr[1] = {42}; |
| 47 | |
| 48 | int* b = fl::begin(arr); |
| 49 | int* e = fl::end(arr); |
| 50 | |
| 51 | FL_CHECK_EQ(e - b, 1); |
| 52 | FL_CHECK_EQ(*b, 42); |
| 53 | } |
| 54 | |
| 55 | FL_SUBCASE("iterate with begin/end") { |
| 56 | int arr[5] = {1, 2, 3, 4, 5}; |
| 57 | int sum = 0; |
| 58 | |
| 59 | for (auto it = fl::begin(arr); it != fl::end(arr); ++it) { |
| 60 | sum += *it; |
| 61 | } |
| 62 | |
| 63 | FL_CHECK_EQ(sum, 15); |