public void TestGetValueNotReadYet()
{
using (IDataReader reader = new InMemoryDataReader(false, this.Data1))
{
Assert.Throws <InvalidOperationException>(() => reader.GetString(0));
}
}
public void TestNextResultPastEnd()
{
using (IDataReader reader = new InMemoryDataReader(false, this.Data1, this.Data2))
{
Assert.IsTrue(reader.NextResult(), "Next result 1");
Assert.IsFalse(reader.NextResult(), "Next result 2");
}
}
public void TestGetStringNull()
{
using (IDataReader reader = new InMemoryDataReader(false, this.Data4))
{
reader.Read();
Assert.Throws <InvalidOperationException>(() => reader.GetString(1));
}
}
public void TestConstructorWithHeaders()
{
using (IDataReader reader = new InMemoryDataReader(true, this.Data1, this.Data2))
{
Assert.IsNotNull(reader, "Reader nullability");
Assert.AreEqual(3, reader.FieldCount, "Reader field count");
Assert.AreEqual("R1C3", reader.GetName(2), "Column name");
}
}
public void TestGetBoolean()
{
using (IDataReader reader = new InMemoryDataReader(false, this.Data3))
{
Assert.IsTrue(reader.Read(), "Read");
Assert.IsTrue(reader.GetBoolean(0));
Assert.IsFalse(reader.GetBoolean(1));
}
}
public void TestNextResult()
{
using (IDataReader reader = new InMemoryDataReader(false, this.Data1, this.Data2))
{
Assert.AreEqual(3, reader.FieldCount, "Field count.");
Assert.IsTrue(reader.NextResult(), "Next result");
Assert.AreEqual(2, reader.FieldCount, "Field count has changed.");
Assert.IsTrue(reader.Read(), "Read");
Assert.AreEqual("TWO R1C2", reader.GetString(1), "Row 1 column 2.");
}
}
public void TestGetValuesWithNull()
{
using (IDataReader reader = new InMemoryDataReader(false, this.Data4))
{
Assert.IsTrue(reader.Read(), "Read");
object[] buffer = new object[3];
Assert.AreEqual(2, reader.GetValues(buffer), "Number of values");
var strings = buffer.Cast <string>().ToArray();
Assert.AreEqual(new string[] { "R1C1", null, "R1C3" }, strings, "Data equal");
}
}
public void TestRead()
{
using (IDataReader reader = new InMemoryDataReader(false, this.Data1))
{
Assert.IsTrue(reader.Read(), "Read 1");
Assert.AreEqual("R1C2", reader.GetString(1));
Assert.IsTrue(reader.Read(), "Read 2");
Assert.AreEqual("R2C1", reader.GetString(0));
Assert.IsTrue(reader.Read(), "Read 3");
Assert.AreEqual("R3C3", reader.GetString(2));
Assert.IsFalse(reader.Read(), "Read 4");
}
}
