gcc/testsuite/gdc.test/compilable/test21794.d

   1 // https://issues.dlang.org/show_bug.cgi?id=21794
   2 /*
   3 TEST_OUTPUT:
   4 ---
   5 0
   6 0u
   7 0L
   8 0LU
   9 0.0F
  10 0.0
  11 0.0L
  12 ---
  13 */
  14
  15 bool fun(void* p) {
  16     const x = cast(ulong)p;
  17     return 1;
  18 }
  19
  20 static assert(fun(null));
  21
  22 T fun2(T)(void* p) {
  23     const x = cast(T)p;
  24     return x;
  25 }
  26
  27 // These were an error before, they were returning a NullExp instead of IntegerExp/RealExp
  28
  29 static assert(fun2!int(null)    == 0);
  30 static assert(fun2!uint(null)   == 0);
  31 static assert(fun2!long(null)   == 0);
  32 static assert(fun2!ulong(null)  == 0);
  33 static assert(fun2!float(null)  == 0);
  34 static assert(fun2!double(null) == 0);
  35 static assert(fun2!real(null)   == 0);
  36
  37 // These were printing 'null' instead of the corresponding number
  38
  39 const i = cast(int)null;
  40 const ui = cast(uint)null;
  41 const l = cast(long)null;
  42 const ul = cast(ulong)null;
  43 const f = cast(float)null;
  44 const d = cast(double)null;
  45 const r = cast(real)null;
  46 pragma(msg, i);
  47 pragma(msg, ui);
  48 pragma(msg, l);
  49 pragma(msg, ul);
  50 pragma(msg, f);
  51 pragma(msg, d);
  52 pragma(msg, r);