public void constructor_should_return_expected_result()
{
var value = new BsonInt32(0);
var subject = new AstConstantExpression(value);
subject.NodeType.Should().Be(AstNodeType.ConstantExpression);
subject.Value.Should().BeSameAs(value);
}
public static AstConstantExpression ConstantExpression(int value)
{
if (!s_constants.TryGetValue(value, out var result))
{
result = new AstConstantExpression(value);
s_constants.Add(value, result);
}
return(result);
}
public override void VisitConstantExpression(AstConstantExpression node)
{
if (node.Value < 0)
{
Append("-");
Append(Math.Abs(node.Value).ToString("x"));
}
else
{
Append(node.Value.ToString("x"));
}
}
