| 45 | |
| 46 | namespace { |
| 47 | TEST(ToStringUtil, stringifyTruncatedElementList) { |
| 48 | const auto indexAsString = [](std::stringstream& ss, vector_size_t i) { |
| 49 | ss << folly::to<std::string>(i); |
| 50 | }; |
| 51 | |
| 52 | // no item |
| 53 | EXPECT_EQ( |
| 54 | stringifyTruncatedElementList(0, 0, 0, ", ", indexAsString), "<empty>"); |
| 55 | // exact item |
| 56 | EXPECT_EQ( |
| 57 | stringifyTruncatedElementList(0, 5, 5, ", ", indexAsString), |
| 58 | "5 elements starting at 0 {0, 1, 2, 3, 4}"); |
| 59 | // more items |
| 60 | EXPECT_EQ( |
| 61 | stringifyTruncatedElementList(1, 3, 2, ", ", indexAsString), |
| 62 | "3 elements starting at 1 {1, 2, ...}"); |
| 63 | // less items |
| 64 | EXPECT_EQ( |
| 65 | stringifyTruncatedElementList(1, 3, 5, ", ", indexAsString), |
| 66 | "3 elements starting at 1 {1, 2, 3}"); |
| 67 | // zero limit. |
| 68 | EXPECT_EQ( |
| 69 | stringifyTruncatedElementList(1, 5, 0, ", ", indexAsString), |
| 70 | "5 elements starting at 1 {...}"); |
| 71 | // different delimiter |
| 72 | EXPECT_EQ( |
| 73 | stringifyTruncatedElementList(0, 3, 5, "<delimiter>", indexAsString), |
| 74 | "3 elements starting at 0 {0<delimiter>1<delimiter>2}"); |
| 75 | } |
| 76 | } // namespace |
| 77 | } // namespace bytedance::bolt |
nothing calls this directly
no test coverage detected