gcc/testsuite/gdc.test/fail_compilation/commaexp.d

   1 /* REQUIRED_ARGS: -o-
   2 TEST_OUTPUT:
   3 ---
   4 fail_compilation/commaexp.d(27): Error: using the result of a comma expression is not allowed
   5 fail_compilation/commaexp.d(39): Error: using the result of a comma expression is not allowed
   6 fail_compilation/commaexp.d(40): Error: using the result of a comma expression is not allowed
   7 fail_compilation/commaexp.d(41): Error: using the result of a comma expression is not allowed
   8 fail_compilation/commaexp.d(42): Error: using the result of a comma expression is not allowed
   9 fail_compilation/commaexp.d(44): Error: using the result of a comma expression is not allowed
  10 fail_compilation/commaexp.d(45): Error: using the result of a comma expression is not allowed
  11 fail_compilation/commaexp.d(56): Error: using the result of a comma expression is not allowed
  12 fail_compilation/commaexp.d(69): Error: using the result of a comma expression is not allowed
  13 fail_compilation/commaexp.d(81): Error: using the result of a comma expression is not allowed
  14 ---
  15 */
  16
  17 class Entry {}
  18 class MyContainerClass { bool append (Entry) { return false; } }
  19
  20 int main () {
  21     bool ok;
  22     size_t aggr;
  23     MyContainerClass mc;
  24
  25     // https://issues.dlang.org/show_bug.cgi?id=15997
  26     enum WINHTTP_ERROR_BASE = 4200;
  27     enum ERROR_WINHTTP_CLIENT_AUTH_CERT_NEEDED = (WINHTTP_ERROR_BASE, + 44);
  28
  29     // OK
  30     for (size_t i; i < 5; ++i, i += 1) {}
  31     for (size_t i; i < 5; ++i, i += 1, i++) {}
  32     if (!mc)
  33         mc = new MyContainerClass, mc.append(new Entry);
  34     if (Object o = cast(Object)mc) {} // Lowering
  35     ok = true, mc.append(new Entry);
  36     assert(ok);
  37
  38     // NOPE
  39     for (size_t i; i < 5; ++i, i += (i++, 1)) {}
  40     for (; aggr++, aggr > 5;) {}
  41     if (Object o = (ok = true, null)) {}
  42     ok = (true, mc.append(new Entry));
  43     assert(!ok);
  44     ok = true, (ok = (true, false));
  45     return 42, 0;
  46 }
  47
  48
  49 /***************************************************/
  50 // https://issues.dlang.org/show_bug.cgi?id=16022
  51
  52 bool test16022()
  53 {
  54     enum Type { Colon, Comma }
  55     Type type;
  56     return type == Type.Colon, type == Type.Comma;
  57 }
  58
  59 bool test16022_structs()
  60 {
  61     struct A
  62     {
  63         int i;
  64         string s;
  65     }
  66
  67     enum Type { Colon = A(0, "zero"), Comma = A(1, "one") }
  68     Type type;
  69     return type == Type.Colon, type == Type.Comma;
  70 }
  71
  72 /********************************************/
  73
  74
  75 void bar11(int*, int*) { }
  76
  77 void test11()
  78 {
  79     static int* p;
  80     static int i;
  81     bar11((i,p), &i);
  82 }