public void GetGuidValue()
{
var g = Guid.NewGuid();
var d = new ReadOnlyDictionary <string, string>(new Dictionary <string, string>
{
{ "key_a", "value_a" },
{ "key_b", g.ToString() }
});
Assert.Throws <InvalidOperationException>(() => d.GetGuidValue("key_a"));
Assert.That(d.GetGuidValue("key_b"), Is.EqualTo(g));
Assert.Throws <InvalidOperationException>(() => d.GetGuidValue("key_c"));
Assert.That(d.TryGetGuidValue("key_a", out var value), Is.False);
Assert.That(d.TryGetGuidValue("key_b", out value), Is.True);
Assert.That(value, Is.EqualTo(g));
Assert.That(d.TryGetGuidValue("key_c", out value), Is.False);
}
public void ArgumentExceptions()
{
ReadOnlyDictionary <string, string> d = null;
Assert.Throws <ArgumentNullException>(() => d.GetStringValue("key"));
Assert.Throws <ArgumentNullException>(() => d.TryGetStringValue("key", out _));
Assert.Throws <ArgumentNullException>(() => d.GetGuidValue("key"));
Assert.Throws <ArgumentNullException>(() => d.TryGetGuidValue("key", out _));
Assert.Throws <ArgumentNullException>(() => d.GetIntValue("key"));
Assert.Throws <ArgumentNullException>(() => d.TryGetIntValue("key", out _));
}
