public void ThrowIf_exception_uses_passed_error_message()
{
var errorMessage = "error";
var ex = Assert.Throws <ArgumentException>(() => Guards.ThrowIf(1 < 2, errorMessage));
Assert.Equal(errorMessage, ex.Message);
}
public void ThrowIf_returns_invoker_to_allow_chaining_more_guards()
{
var result = Guards.ThrowIf(6 == 9, "message");
Assert.IsType <GuardInvoker>(result);
}
public void ThrowIf_does_not_throw_when_conditioon_false()
{
Guards.ThrowIf(1 > 2, "message");
}
public void ThrowIf_throws_when_conditioon_true()
{
Assert.Throws <ArgumentException>(() => Guards.ThrowIf(1 < 2, "message"));
}