Handle endianess in SequentialGuidGenerator.

dotnet · Feb 14, 2014 · 641e488 · 641e488
1 parent 7c15786
commit 641e488
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Showing 2 changed files with 7 additions and 2 deletions.
diff --git a/src/Microsoft.Data.SqlServer/SequentialGuidIdentityGenerator.cs b/src/Microsoft.Data.SqlServer/SequentialGuidIdentityGenerator.cs
@@ -13,14 +13,19 @@ public class SequentialGuidIdentityGenerator : IIdentityGenerator<Guid>
 
  static SequentialGuidIdentityGenerator()
  {
- _counter = DateTime.Now.Ticks;
+ _counter = DateTime.UtcNow.Ticks;
  }
 
  public Task<Guid> NextAsync()
  {
  var guidBytes = Guid.NewGuid().ToByteArray();
  var counterBytes = BitConverter.GetBytes(Interlocked.Increment(ref _counter));
 
+ if (!BitConverter.IsLittleEndian)
+ {
+ Array.Reverse(counterBytes);
+ }
+
  guidBytes[08] = counterBytes[1];
  guidBytes[09] = counterBytes[0];
  guidBytes[10] = counterBytes[7];

diff --git a/test/Microsoft.Data.SqlServer.FunctionalTest/SequentialGuidIdentityGeneratorTest.cs b/test/Microsoft.Data.SqlServer.FunctionalTest/SequentialGuidIdentityGeneratorTest.cs
@@ -10,7 +10,7 @@ namespace Microsoft.Data.SqlServer
  public class SequentialGuidIdentityGeneratorTest
  {
  [Fact]
- public async Task Can_get_next_values()
+ public async Task CanGetNextValues()
  {
  var sequentialGuidIdentityGenerator = new SequentialGuidIdentityGenerator();
  var values = new List<Guid>();