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Fix access violation when using Express user instances #2101

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Merged
merged 2 commits into from
Sep 8, 2023
Merged

Fix access violation when using Express user instances #2101

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a88bef4
Fix access violation when using Express user instances
edahlberg Jul 24, 2023
a644dce
Add test for user instance access violation
edahlberg Jul 24, 2023
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1 change: 1 addition & 0 deletions src/Microsoft.Data.SqlClient/src/Microsoft/Data/SqlClient/SqlConnectionString.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -703,6 +703,7 @@ internal SqlConnectionString(SqlConnectionString connectionOptions, string dataS
_attestationProtocol = connectionOptions._attestationProtocol;
_serverSPN = connectionOptions._serverSPN;
_failoverPartnerSPN = connectionOptions._failoverPartnerSPN;
_hostNameInCertificate = connectionOptions._hostNameInCertificate;
#if NETFRAMEWORK
_connectionReset = connectionOptions._connectionReset;
_contextConnection = connectionOptions._contextConnection;
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9 changes: 9 additions & 0 deletions src/Microsoft.Data.SqlClient/tests/FunctionalTests/SqlConnectionTest.cs
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Expand Up @@ -945,6 +945,15 @@ public void Open_ConnectionString_Whitespace()
Assert.NotNull(ex.Message);
}

[Fact]
public void Open_ConnectionString_UserInstance()
{
SqlConnection cn = new SqlConnection("User Instance=true;");
SqlException ex = Assert.Throws<SqlException>(() => cn.Open());
// Throws without access violation
Assert.NotNull(ex.Message);
}

[Fact]
public void ServerVersion_Connection_Closed()
{
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