gcc/testsuite/gdc.test/fail_compilation/nogc2.d

   1 // REQUIRED_ARGS: -o-
   2 // PERMUTE_ARGS:
   3
   4 /***************** CatExp *******************/
   5
   6 /*
   7 TEST_OUTPUT:
   8 ---
   9 fail_compilation/nogc2.d(21): Error: cannot use operator ~ in @nogc function 'nogc2.testCat'
  10 fail_compilation/nogc2.d(22): Error: cannot use operator ~ in @nogc function 'nogc2.testCat'
  11 fail_compilation/nogc2.d(23): Error: cannot use operator ~ in @nogc function 'nogc2.testCat'
  12 fail_compilation/nogc2.d(25): Error: cannot use operator ~ in @nogc function 'nogc2.testCat'
  13 fail_compilation/nogc2.d(26): Error: cannot use operator ~ in @nogc function 'nogc2.testCat'
  14 fail_compilation/nogc2.d(27): Error: cannot use operator ~ in @nogc function 'nogc2.testCat'
  15 fail_compilation/nogc2.d(28): Error: cannot use operator ~ in @nogc function 'nogc2.testCat'
  16 fail_compilation/nogc2.d(29): Error: cannot use operator ~ in @nogc function 'nogc2.testCat'
  17 ---
  18 */
  19 @nogc void testCat(int[] a, string s)
  20 {
  21     int[] a1 = a ~ a;
  22     int[] a2 = a ~ 1;
  23     int[] a3 = 1 ~ a;
  24
  25     string s1 = s ~ s;
  26     string s2 = s ~ "a";
  27     string s3 = "a" ~ s;
  28     string s4 = s ~ 'c';
  29     string s5 = 'c' ~ s;
  30
  31     string s6 = "a" ~ "b";      // no error
  32     string s7 = "a" ~ 'c';      // no error
  33     string s8 = 'c' ~ "b";      // no error
  34 }
  35
  36 /***************** CatAssignExp *******************/
  37
  38 /*
  39 TEST_OUTPUT:
  40 ---
  41 fail_compilation/nogc2.d(48): Error: cannot use operator ~= in @nogc function 'nogc2.testCatAssign'
  42 fail_compilation/nogc2.d(50): Error: cannot use operator ~= in @nogc function 'nogc2.testCatAssign'
  43 fail_compilation/nogc2.d(51): Error: cannot use operator ~= in @nogc function 'nogc2.testCatAssign'
  44 ---
  45 */
  46 @nogc void testCatAssign(int[] a, string s)
  47 {
  48     a ~= 1;
  49
  50     s ~= "a";
  51     s ~= 'c';
  52 }
  53
  54 /***************** ArrayLiteralExp *******************/
  55
  56 @nogc int* barA();
  57
  58 /*
  59 TEST_OUTPUT:
  60 ---
  61 fail_compilation/nogc2.d(70): Error: array literal in @nogc function 'nogc2.testArray' may cause GC allocation
  62 fail_compilation/nogc2.d(71): Error: array literal in @nogc function 'nogc2.testArray' may cause GC allocation
  63 ---
  64 */
  65 @nogc void testArray()
  66 {
  67     enum arrLiteral = [null, null];
  68
  69     int* p;
  70     auto a = [p, p, barA()];
  71     a = arrLiteral;
  72 }
  73
  74 /***************** AssocArrayLiteralExp *******************/
  75
  76 /*
  77 TEST_OUTPUT:
  78 ---
  79 fail_compilation/nogc2.d(87): Error: associative array literal in @nogc function 'nogc2.testAssocArray' may cause GC allocation
  80 fail_compilation/nogc2.d(88): Error: associative array literal in @nogc function 'nogc2.testAssocArray' may cause GC allocation
  81 ---
  82 */
  83 @nogc void testAssocArray()
  84 {
  85     enum aaLiteral = [10: 100];
  86
  87     auto aa = [1:1, 2:3, 4:5];
  88     aa = aaLiteral;
  89 }
  90
  91 /***************** IndexExp *******************/
  92
  93 /*
  94 TEST_OUTPUT:
  95 ---
  96 fail_compilation/nogc2.d(102): Error: indexing an associative array in @nogc function 'nogc2.testIndex' may cause GC allocation
  97 fail_compilation/nogc2.d(103): Error: indexing an associative array in @nogc function 'nogc2.testIndex' may cause GC allocation
  98 ---
  99 */
 100 @nogc void testIndex(int[int] aa)
 101 {
 102     aa[1] = 0;
 103     int n = aa[1];
 104 }