mcs/tests/test-67.cs

   1 using System;
   2 using System.Runtime.InteropServices;
   3
   4 [StructLayout (LayoutKind.Sequential)]
   5 public class MySystemTime {
   6         public ushort Year;
   7         public ushort Month;
   8         public ushort DayOfWeek;
   9         public ushort Day;
  10         public ushort Hour;
  11         public ushort Minute;
  12         public ushort Second;
  13         public ushort Milliseconds;
  14 }
  15
  16 [StructLayout (LayoutKind.Sequential)]
  17 public struct Point {
  18         public int x;
  19         public int y;
  20 }
  21
  22 [StructLayout (LayoutKind.Explicit)]
  23 public struct Rect {
  24         [FieldOffset (0)] public int left;
  25         [FieldOffset (4)] public int top;
  26         [FieldOffset (8)] public int right;
  27         [FieldOffset (12)] public int bottom;
  28 }
  29
  30 [StructLayout (LayoutKind.Explicit)]
  31 struct A {
  32         [FieldOffset (0)]
  33         public int a;
  34         [FieldOffset (0)]
  35         public byte b1;
  36         [FieldOffset (1)]
  37         public byte b2;
  38         [FieldOffset (2)]
  39         public byte b3;
  40         [FieldOffset (3)]
  41         public byte b4;
  42 }
  43
  44 public class Blah {
  45
  46         [DllImport ("Kernel32.dll")]
  47         public static extern void GetSystemTime (MySystemTime st);
  48
  49         [DllImport ("User32.dll")]
  50         public static extern bool PtInRect (ref Rect r, Point p);
  51
  52         public static int Main () {
  53
  54                 MySystemTime st = new MySystemTime ();
  55
  56                 GetSystemTime (st);
  57
  58                 Console.WriteLine ("Today's date is : {0:0000}-{1:00}-{2:00}", st.Year, st.Month, st.Day);
  59                 Console.WriteLine ("The time now is : {0:00}:{1:00}:{2:00}", st.Hour, st.Minute, st.Second);
  60
  61                 Rect r = new Rect ();
  62
  63                 r.left = 10;
  64                 r.top  = 12;
  65                 r.right = 30;
  66                 r.bottom = 30;
  67
  68                 Point p = new Point ();
  69
  70                 p.x = 15;
  71                 p.y = 20;
  72
  73                 if (!PtInRect (ref r, p))
  74                         return 1;
  75
  76                 A a = new A ();
  77
  78                 a.a = 0x12345678;
  79
  80                 if (a.b1 != 0x78)
  81                         return 2;
  82                 if (a.b2 != 0x56)
  83                         return 3;
  84                 if (a.b3 != 0x34)
  85                         return 4;
  86                 if (a.b4 != 0x12)
  87                         return 5;
  88
  89                 Console.WriteLine ("Point lies inside rect");
  90                 Console.WriteLine ("Test passes");
  91                 return 0;
  92         }
  93 }