public void EqualsString()
{
DBNullable<String> value1;
DBNullable<String> value2;
value1 = new DBNullable<String>();
value2 = new DBNullable<String>();
Assert.AreEqual(value1, value2, "#1");
Assert.IsTrue(value1 == value2, "#2");
Assert.IsTrue(value2 == value1, "#3");
Assert.IsTrue(value1.Equals(value2), "#4");
Assert.IsTrue(value2.Equals(value1), "#5");
value1 = new DBNullable<String>("test");
value2 = new DBNullable<String>("test");
Assert.AreEqual(value1, value2, "#6");
Assert.IsTrue(value1 == value2, "#7");
Assert.IsTrue(value2 == value1, "#8");
Assert.IsTrue(value1.Equals(value2), "#9");
Assert.IsTrue(value2.Equals(value1), "#10");
value1 = "test";
value2 = "test";
Assert.AreEqual(value1, value2, "#11");
Assert.IsTrue(value1 == value2, "#12");
Assert.IsTrue(value2 == value1, "#13");
Assert.IsTrue(value1.Equals(value2), "#14");
Assert.IsTrue(value2.Equals(value1), "#15");
value1 = "test";
Assert.AreEqual("test", value1.Value, "#16");
Assert.IsTrue((string) value1 == "test", "#17");
Assert.IsTrue(value1 == "test", "#18");
Assert.IsTrue("test" == (string) value1, "#19");
Assert.IsTrue("test" == value1, "#20");
Assert.IsTrue(value1.Equals("test"), "#21");
// TODO: FAIL
//Assert.IsTrue("test".Equals(value1), "#22");
}
public void Int32Equals()
{
DBNullable<Int32> value1;
DBNullable<Int32> value2;
value1 = new DBNullable<Int32>();
value2 = new DBNullable<Int32>();
Assert.AreEqual(value1, value2, "1");
Assert.IsTrue(value1 == value2, "2");
Assert.IsTrue(value2 == value1, "3");
Assert.IsTrue(value1.Equals(value2), "4");
Assert.IsTrue(value2.Equals(value1), "5");
value1 = new DBNullable<Int32>(123);
value2 = new DBNullable<Int32>(123);
Assert.AreEqual(value1, value2, "6");
Assert.IsTrue(value1 == value2, "7");
Assert.IsTrue(value2 == value1, "8");
Assert.IsTrue(value1.Equals(value2), "9");
Assert.IsTrue(value2.Equals(value1), "10");
value1 = 123;
value2 = 123;
Assert.AreEqual(value1, value2, "11");
Assert.IsTrue(value1 == value2, "12");
Assert.IsTrue(value2 == value1, "13");
Assert.IsTrue(value1.Equals(value2), "14");
Assert.IsTrue(value2.Equals(value1), "15");
value1 = 123;
Assert.AreEqual(123, (int) value1, "16");
Assert.IsTrue((int) value1 == 123, "17");
Assert.IsTrue(value1 == 123, "18");
Assert.IsTrue(123 == (int) value1, "19");
Assert.IsTrue(123 == value1, "20");
Assert.IsTrue(value1.Equals(123), "21");
// TODO: FAIL
//Assert.IsTrue(123.Equals(value1), "22");
}
public void IsNullInt32()
{
DBNullable<Int32> foo = new DBNullable<Int32>();
Assert.IsNotNull(foo, "#1");
Assert.IsTrue(foo.IsNull, "#2");
foo = null;
Assert.IsNull(foo, "#3");
foo = new DBNullable<Int32>(2);
Assert.IsFalse(foo.IsNull, "#4");
}
public void IsNullString()
{
DBNullable<String> value = new DBNullable<String>();
Assert.IsNotNull(value, "#1");
Assert.IsTrue(value.IsNull, "#2");
value = null;
Assert.IsNull(value, "#3");
value = new DBNullable<String>("test");
Assert.IsFalse(value.IsNull, "#4");
}