Hello, Good afternoon.

anyone cound help me please. My code is below

public class Tsuchisho_Name {
    public Lead ld {get; set;}
    
     public Tsuchisho_Name(ApexPages.StandardController stdController){
        ld = new Lead();
        ld = (Lead)stdController.getRecord();
        
        ld = [SELECT Id, Name FROM Lead LIMIT 1];
        
        String pdfName = ld.Name + '.pdf';
        Apexpages.currentPage().getHeaders().put( 'content-disposition', 'inline; filename=' + pdfName);
        
    }

}
 

and TestClass is 
 

@isTest
public class TsuchishoNameTest {
    @isTest
    static void Tsuchisho_Name(){
        
        Lead l = new Lead();
        l.FirstName = 'leadname';
        l.LastName = 'lastName';
        l.AnnualIncomePresentationAmount__c = 1000;
        l.DateOfAcceptance__c = system.today();
        l.Notice_Date__c = system.today();
        l.Company = 'next';
        
        insert l;
        
        ApexPages.StandardController stdController = new ApexPages.StandardController(new Lead());
        Tsuchisho_Name tsuchi = new Tsuchisho_Name(stdController);
        
        Test.startTest();
        
        tsuchi.ld = l;   
        Lead led = tsuchi.ld;
        String Name = led.Name;
        
        Test.stopTest();
    }

}

With regards Rai

Thank you