tests/eval-test.cs

   1 using System;
   2 using Mono.CSharp;
   3
   4 public class MyTest {
   5         static void Run (string id, string stmt)
   6         {
   7                 if (!Evaluator.Run (stmt))
   8                         Console.WriteLine ("Failed on test {0}", id);
   9         }
  10
  11         static void Evaluate (string id, string expr, object expected)
  12         {
  13                 try {
  14                         object res = Evaluator.Evaluate (expr);
  15                         if (res == null && expected == null)
  16                                 return;
  17
  18                         if (!expected.Equals (res)){
  19                                 Console.WriteLine ("Failed on test {2} Expecting {0}, got {1}", expected, res, id);
  20                                 throw new Exception ();
  21                         }
  22                 } catch {
  23                         Console.WriteLine ("Failed on test {0}", id);
  24                         throw;
  25                 }
  26         }
  27
  28         static void Main ()
  29         {
  30                 Evaluator.Init (new string [0]); //new string [] { "-v", "-v" });
  31                 //
  32                 // This fails because of the grammar issue with the pointer type
  33                 // Evaluate ("multiply", "1*2;", 2);
  34                 //
  35                 Run ("1",      "System.Console.WriteLine (100);");
  36                 Run ("Length", "var a = new int [] {1,2,3}; var b = a.Length;");
  37
  38                 Evaluate ("CompareString", "\"foo\" == \"bar\";", false);
  39                 Evaluate ("CompareInt", "var a = 1; a+2;", 3);
  40
  41                 Evaluator.Run ("using System; using System.Linq;");
  42                 Run ("LINQ-1", "var a = new int[]{1,2,3};\nfrom x in a select x;");
  43                 Run ("LINQ-2", "var a = from f in System.IO.Directory.GetFiles (\"/tmp\") where f == \"passwd\" select f;");
  44
  45                 Evaluator.ReferenceAssembly (typeof (MyTest).Assembly);
  46                 Evaluate ("assembly reference test", "typeof (MyTest) != null;", true);
  47
  48                 Run ("LINQ-3", "var first_scope = new int [] {1,2,3};");
  49                 Run ("LINQ-4", "var second_scope = from x in first_scope select x;");
  50
  51                 string prefix = "";
  52                 string [] res = Evaluator.GetCompletions ("ConsoleK", out prefix);
  53                 if (res [0] != "ey" || res [1] != "eyInfo"){
  54                         Console.WriteLine (res [0]);
  55                         Console.WriteLine (res [1]);
  56                         throw new Exception ("Expected two completions ConsoleKey and ConsoleKeyInfo");
  57                 }
  58
  59                 res = Evaluator.GetCompletions ("Converte", out prefix);
  60                 if (res [0] != "r<"){
  61                         throw new Exception ("Expected one completion for Conveter<");
  62                 }
  63
  64                 res = Evaluator.GetCompletions ("Sys", out prefix);
  65                 if (res [0] != "tem"){
  66                         throw new Exception ("Expected at least a conversion for System");
  67                 }
  68
  69                 res = Evaluator.GetCompletions ("System.Int3", out prefix);
  70                 if (res [0] != "2"){
  71                         throw new Exception ("Expected completion to System.Int32");
  72                 }
  73
  74                 res = Evaluator.GetCompletions ("new System.Text.StringBuilder () { Ca", out prefix);
  75                 if (res [0] != "pacity"){
  76                         throw new Exception ("Expected completion to Capacity");
  77                 }
  78
  79                 res = Evaluator.GetCompletions ("new System.Text.StringBuilder () { ", out prefix);
  80                 if (res.Length != 4){
  81                         throw new Exception ("Epxected 4 completions (Capacity Chars Length MaxCapacity)");
  82                 }
  83
  84                 // These should return "partial"
  85                 object eval_result;
  86                 bool result_set;
  87                 string sres  = Evaluator.Evaluate ("1+", out eval_result, out result_set);
  88                 if (result_set)
  89                         throw new Exception ("No result should have been set");
  90                 if (sres != "1+")
  91                         throw new Exception ("The result should have been the input string, since we have a partial input");
  92
  93         }
  94
  95 }