public void Test1_construct_empty()
{
var v1 = new Isotope.NullableOrString<int>();
Assert.IsFalse(v1.HasValue);
Assert.IsFalse(v1.HasString);
Assert.IsTrue(v1.IsEmpty);
}
public void Test4_init_with_string()
{
var v1 = new Isotope.NullableOrString<int>("FOO");
Assert.IsFalse(v1.HasValue);
Assert.IsTrue(v1.HasString);
Assert.IsFalse(v1.IsEmpty);
Assert.AreEqual("FOO", v1.String);
}
public void Test3_init_with_value()
{
var v1 = new Isotope.NullableOrString<int>(1);
Assert.IsTrue(v1.HasValue);
Assert.IsFalse(v1.HasString);
Assert.IsFalse(v1.IsEmpty);
Assert.AreEqual(1, v1.Value);
}
public void Test_clear_1()
{
var v1 = new Isotope.NullableOrString<int>();
v1.String = "FOO";
Assert.IsFalse(v1.HasValue);
Assert.IsTrue(v1.HasString);
Assert.IsFalse(v1.IsEmpty);
Assert.AreEqual("FOO", v1.String);
v1.Clear();
Assert.IsFalse(v1.HasValue);
Assert.IsFalse(v1.HasString);
Assert.IsTrue(v1.IsEmpty);
}
public void Test1_construct_empty_fail_get_string()
{
bool caught = false;
var v1 = new Isotope.NullableOrString<int>();
try {string s = v1.String;}
catch (System.FieldAccessException )
{
caught = true;
}
if (caught == false)
{
Assert.Fail("Did not catch expected exception");
}
}
public void Test_swap_value_and_string()
{
var v1 = new Isotope.NullableOrString<int>("FOO");
Assert.IsFalse(v1.HasValue);
Assert.IsTrue(v1.HasString);
Assert.IsFalse(v1.IsEmpty);
Assert.AreEqual("FOO", v1.String);
v1.Value = 10;
Assert.IsTrue(v1.HasValue);
Assert.IsFalse(v1.HasString);
Assert.IsFalse(v1.IsEmpty);
Assert.AreEqual(10, v1.Value);
v1.String = "BAR";
Assert.IsFalse(v1.HasValue);
Assert.IsTrue(v1.HasString);
Assert.IsFalse(v1.IsEmpty);
Assert.AreEqual("BAR", v1.String);
}
public void Test_defaults()
{
var v1 = new Isotope.NullableOrString<int>();
Assert.IsFalse(v1.HasValue);
Assert.IsFalse(v1.HasString);
Assert.IsTrue(v1.IsEmpty);
Assert.AreEqual("FOO", v1.GetStringOrDefault("FOO"));
Assert.AreEqual(20, v1.GetValueOrDefault(20));
v1.Value = 1;
Assert.AreEqual("FOO", v1.GetStringOrDefault("FOO"));
Assert.AreEqual(1, v1.GetValueOrDefault(20));
v1.String = "BAR";
Assert.AreEqual("BAR", v1.GetStringOrDefault("FOO"));
Assert.AreEqual(20, v1.GetValueOrDefault(20));
v1.Clear();
Assert.AreEqual("FOO", v1.GetStringOrDefault("FOO"));
Assert.AreEqual(20, v1.GetValueOrDefault(20));
}
