public void VerifyJetCommitIdEqualityToNullIsFalse()
{
var sigX = new NATIVE_SIGNATURE()
{
ulRandom = 1,
logtimeCreate = Any.Logtime,
szComputerName = "Komputer",
};
var x = new JET_COMMIT_ID(new NATIVE_COMMIT_ID()
{
signLog = sigX,
commitId = 123,
});
Assert.IsFalse(x == null);
Assert.AreEqual(1, x.CompareTo(null));
var commitZero = new JET_COMMIT_ID(new NATIVE_COMMIT_ID()
{
signLog = sigX,
commitId = 0,
});
Assert.AreEqual(0, commitZero.CompareTo(null));
}
public void VerifyJetCommitIdEquality()
{
var sigX = new NATIVE_SIGNATURE()
{
ulRandom = 1,
logtimeCreate = Any.Logtime,
szComputerName = "Komputer",
};
var sigY = new NATIVE_SIGNATURE()
{
ulRandom = 1,
logtimeCreate = sigX.logtimeCreate,
szComputerName = "Komputer",
};
var x = new JET_COMMIT_ID(new NATIVE_COMMIT_ID()
{
signLog = sigX,
commitId = 123,
});
var y = new JET_COMMIT_ID(new NATIVE_COMMIT_ID()
{
signLog = sigY,
commitId = 123,
});
TestEquals(x, y);
Assert.IsTrue(x == y);
Assert.IsFalse(x != y);
}
public void VerifyJetCommitIdThrowsExceptionWithInequalSignatures()
{
var sigX = new NATIVE_SIGNATURE()
{
ulRandom = 1,
logtimeCreate = Any.Logtime,
szComputerName = "Komputer",
};
var sigDifferent = new NATIVE_SIGNATURE()
{
ulRandom = 7777,
logtimeCreate = Any.Logtime,
szComputerName = "Different!",
};
var x = new JET_COMMIT_ID(new NATIVE_COMMIT_ID()
{
signLog = sigX,
commitId = 789,
});
var y = new JET_COMMIT_ID(new NATIVE_COMMIT_ID()
{
signLog = sigDifferent,
commitId = 789,
});
Assert.AreNotEqual(0, x.CompareTo(y));
}
public void VerifyJetCommitIdInequality()
{
var sigX = new NATIVE_SIGNATURE()
{
ulRandom = 1,
logtimeCreate = Any.Logtime,
szComputerName = "Komputer",
};
// Note that there isn't a case that has a different log signature; that's because
// JET_COMMIT_ID.CompareTo() throws an exception if the log signature is different.
//
// None of these objects are equal, most differ in only one member from the
// first object. We will compare them all against each other.
var commitIds = new[]
{
new JET_COMMIT_ID(new NATIVE_COMMIT_ID()
{
signLog = sigX,
commitId = 567,
}),
new JET_COMMIT_ID(new NATIVE_COMMIT_ID()
{
signLog = sigX,
commitId = 9999, // Different
}),
};
VerifyAll(commitIds);
}
public void CreateJetSignatureFromNativeSignature()
{
var t = new DateTime(1999, 12, 31, 23, 59, 59, DateTimeKind.Utc);
var native = new NATIVE_SIGNATURE
{
ulRandom = 9,
logtimeCreate = new JET_LOGTIME(t),
};
native.szComputerName = "COMPUTER";
var expected = new JET_SIGNATURE(9, t, "COMPUTER");
var actual = new JET_SIGNATURE(native);
Assert.AreEqual(expected, actual);
}
public void CreateJetSignatureFromNativeSignature()
{
var t = new DateTime(1999, 12, 31, 23, 59, 59, DateTimeKind.Utc);
var native = new NATIVE_SIGNATURE
{
ulRandom = 9,
logtimeCreate = new JET_LOGTIME(t),
};
native.szComputerName = "COMPUTER";
var expected = new JET_SIGNATURE(9, t, "COMPUTER");
var actual = new JET_SIGNATURE(native);
Assert.AreEqual(expected, actual);
}
public void VerifyJetCommitIdEqualityToWrongTypeIsFalse()
{
var sigX = new NATIVE_SIGNATURE()
{
ulRandom = 1,
logtimeCreate = Any.Logtime,
szComputerName = "Komputer",
};
var x = new JET_COMMIT_ID(new NATIVE_COMMIT_ID()
{
signLog = sigX,
commitId = 123,
});
Assert.IsFalse(x.Equals(sigX));
}
public void Setup()
{
var sigX = new NATIVE_SIGNATURE()
{
ulRandom = 1,
logtimeCreate = Any.Logtime,
szComputerName = "Komputer",
};
this.managedOriginal = new JET_COMMIT_ID(new NATIVE_COMMIT_ID()
{
signLog = sigX,
commitId = 123,
});
this.native = this.managedOriginal.GetNativeCommitId();
this.managed = new JET_COMMIT_ID(this.native);
}
public static extern int JetGetInstanceMiscInfo(IntPtr instance, ref NATIVE_SIGNATURE pvResult, uint cbMax, uint infoLevel);
public static extern int JetGetInstanceMiscInfo(IntPtr instance, ref NATIVE_SIGNATURE pvResult, uint cbMax, uint infoLevel);