| //===-- Unittests for gmtime_r --------------------------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "src/time/gmtime_r.h" |
| #include "src/time/time_utils.h" |
| #include "test/src/time/TmMatcher.h" |
| #include "utils/UnitTest/Test.h" |
| |
| using __llvm_libc::time_utils::TimeConstants; |
| |
| // gmtime and gmtime_r share the same code and thus didn't repeat all the tests |
| // from gmtime. Added couple of validation tests. |
| TEST(LlvmLibcGmTimeR, EndOf32BitEpochYear) { |
| // Test for maximum value of a signed 32-bit integer. |
| // Test implementation can encode time for Tue 19 January 2038 03:14:07 UTC. |
| time_t seconds = 0x7FFFFFFF; |
| struct tm tm_data; |
| struct tm *tm_data_ptr; |
| tm_data_ptr = __llvm_libc::gmtime_r(&seconds, &tm_data); |
| EXPECT_TM_EQ((tm{7, // sec |
| 14, // min |
| 3, // hr |
| 19, // day |
| 0, // tm_mon starts with 0 for Jan |
| 2038 - TimeConstants::TimeYearBase, // year |
| 2, // wday |
| 7, // yday |
| 0}), |
| *tm_data_ptr); |
| EXPECT_TM_EQ(*tm_data_ptr, tm_data); |
| } |
| |
| TEST(LlvmLibcGmTimeR, Max64BitYear) { |
| if (sizeof(time_t) == 4) |
| return; |
| // Test for Tue Jan 1 12:50:50 in 2,147,483,647th year. |
| time_t seconds = 67767976202043050; |
| struct tm tm_data; |
| struct tm *tm_data_ptr; |
| tm_data_ptr = __llvm_libc::gmtime_r(&seconds, &tm_data); |
| EXPECT_TM_EQ((tm{50, // sec |
| 50, // min |
| 12, // hr |
| 1, // day |
| 0, // tm_mon starts with 0 for Jan |
| 2147483647 - TimeConstants::TimeYearBase, // year |
| 2, // wday |
| 50, // yday |
| 0}), |
| *tm_data_ptr); |
| EXPECT_TM_EQ(*tm_data_ptr, tm_data); |
| } |