public void SnippetsTest(string snippet, string expected)
{
using var source = new Source(snippet);
var reader = new Reader();
var(actual, _) = BuiltIn.Eval(reader.Read(source));
Assert.That(actual.ToString(), Is.EqualTo(expected));
}
public void ShouldThrowTypeErrorException(string snippet, string errorMessage)
{
using var source = new Source(snippet);
var reader = new Reader();
var obj = reader.Read(source);
Assert.That(() => BuiltIn.Eval(obj),
Throws.Exception.TypeOf <TypeError>().With.Message.EqualTo(errorMessage));
}