public void StubDataReader_FieldCount_Success()
{
var result1 = new StubResultSet("col6", "col7", "col8");
var result2 = new StubResultSet("col9", "col0");
using (var reader = new StubDataReader(result1, result2))
{
Assert.IsNotNull(reader, "The StubDataReader object should not have been null");
Assert.AreEqual(3, reader.FieldCount, "The field count for the first result set was incorrect");
reader.NextResult();
Assert.AreEqual(2, reader.FieldCount, "The field count for the second result was incorrect");
}
}
public void StubDataReader_CurrentResultSet_NextResult_Failure()
{
using (var reader = new StubDataReader())
{
Assert.IsNotNull(reader, "The StubDataReader object should not have been null");
Assert.IsFalse(reader.NextResult(), "NextResult() should not have had data");
try
{
var results = reader.CurrentResultSet;
Assert.Fail("Call to CurrentResultSet should have thrown an exception");
}
catch (InvalidOperationException exception)
{
Assert.AreEqual("Current ResultSet is at EOF", exception.Message,
"Unexpected EOF exception message");
}
}
}
public void StubDataReader_CurrentResultSet_NextResult_Success()
{
var result1 = new StubResultSet("col1", "col2", "col3");
var result2 = new StubResultSet("col4", "col5");
using (var reader = new StubDataReader(result1, result2))
{
Assert.IsNotNull(reader, "The StubDataReader object should not have been null");
var currentSet = reader.CurrentResultSet;
Assert.IsNotNull(currentSet, "First call to CurrentResultSet should not have returned null");
Assert.AreEqual(result1, currentSet, "First call to CurrentResultSet did not return the first set");
Assert.IsTrue(reader.NextResult(), "First call to NextResult() should have had data");
currentSet = reader.CurrentResultSet;
Assert.IsNotNull(currentSet, "Second call to CurrentResultSet should not have returned null");
Assert.AreEqual(result2, currentSet, "Second call to CurrentResultSet did not return the second set");
}
}