blob: 727e67f787a0bd7352361667bd86eda816207068 (
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diff --git a/sdk/core/azure-core/src/datetime.cpp b/sdk/core/azure-core/src/datetime.cpp
index 288705b3d..750446dc4 100644
--- a/sdk/core/azure-core/src/datetime.cpp
+++ b/sdk/core/azure-core/src/datetime.cpp
@@ -50,11 +50,21 @@ DateTime GetMaxDateTime()
#pragma warning(disable : 6326)
#endif
static_assert(
- std::is_same<DateTime::clock::duration::rep, std::chrono::system_clock::duration::rep>::value,
- "DateTime::clock::duration::rep must be the same as "
- "std::chrono::system_clock::duration::rep");
+ std::is_signed<std::chrono::system_clock::duration::rep>::value
+ && std::is_integral<std::chrono::system_clock::duration::rep>::value
+ && sizeof(std::chrono::system_clock::duration::rep) <= sizeof(std::int64_t),
+ "Currently, GetMaxDateTime() is written with an expectation that "
+ "std::chrono::system_clock::duration::rep is signed integral type that can fit into 64 "
+ "bits.");
- using Rep = DateTime::clock::duration::rep;
+ static_assert(
+ std::is_signed<DateTime::clock::duration::rep>::value
+ && std::is_integral<DateTime::clock::duration::rep>::value
+ && sizeof(DateTime::clock::duration::rep) <= sizeof(std::int64_t),
+ "GetMaxDateTime() expects DateTime::clock::duration::rep to be signed integral type that can "
+ "fit into 64 bits.");
+
+ using Rep = std::int64_t;
using CommonDuration = std::chrono::duration<
Rep,
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