| // REQUIRED_ARGS: -vgc -o- |
| // PERMUTE_ARGS: |
| |
| /***************** CatExp *******************/ |
| |
| /* |
| TEST_OUTPUT: |
| --- |
| compilable/vgc2.d(21): vgc: operator ~ may cause GC allocation |
| compilable/vgc2.d(22): vgc: operator ~ may cause GC allocation |
| compilable/vgc2.d(23): vgc: operator ~ may cause GC allocation |
| compilable/vgc2.d(25): vgc: operator ~ may cause GC allocation |
| compilable/vgc2.d(26): vgc: operator ~ may cause GC allocation |
| compilable/vgc2.d(27): vgc: operator ~ may cause GC allocation |
| compilable/vgc2.d(28): vgc: operator ~ may cause GC allocation |
| compilable/vgc2.d(29): vgc: operator ~ may cause GC allocation |
| --- |
| */ |
| void testCat(int[] a, string s) |
| { |
| int[] a1 = a ~ a; |
| int[] a2 = a ~ 1; |
| int[] a3 = 1 ~ a; |
| |
| string s1 = s ~ s; |
| string s2 = s ~ "a"; |
| string s3 = "a" ~ s; |
| string s4 = s ~ 'c'; |
| string s5 = 'c' ~ s; |
| |
| string s6 = "a" ~ "b"; // no error |
| string s7 = "a" ~ 'c'; // no error |
| string s8 = 'c' ~ "b"; // no error |
| } |
| |
| /***************** CatAssignExp *******************/ |
| |
| /* |
| TEST_OUTPUT: |
| --- |
| compilable/vgc2.d(48): vgc: operator ~= may cause GC allocation |
| compilable/vgc2.d(50): vgc: operator ~= may cause GC allocation |
| compilable/vgc2.d(51): vgc: operator ~= may cause GC allocation |
| --- |
| */ |
| void testCatAssign(int[] a, string s) |
| { |
| a ~= 1; |
| |
| s ~= "a"; |
| s ~= 'c'; |
| } |
| |
| /***************** ArrayLiteralExp *******************/ |
| |
| int* barA(); |
| |
| /* |
| TEST_OUTPUT: |
| --- |
| compilable/vgc2.d(70): vgc: array literal may cause GC allocation |
| compilable/vgc2.d(71): vgc: array literal may cause GC allocation |
| --- |
| */ |
| void testArray() |
| { |
| enum arrLiteral = [null, null]; |
| |
| int* p; |
| auto a = [p, p, barA()]; |
| a = arrLiteral; |
| } |
| |
| /***************** AssocArrayLiteralExp *******************/ |
| |
| /* |
| TEST_OUTPUT: |
| --- |
| compilable/vgc2.d(87): vgc: associative array literal may cause GC allocation |
| compilable/vgc2.d(88): vgc: associative array literal may cause GC allocation |
| --- |
| */ |
| void testAssocArray() |
| { |
| enum aaLiteral = [10: 100]; |
| |
| auto aa = [1:1, 2:3, 4:5]; |
| aa = aaLiteral; |
| } |
| |
| /***************** IndexExp *******************/ |
| |
| /* |
| TEST_OUTPUT: |
| --- |
| compilable/vgc2.d(102): vgc: indexing an associative array may cause GC allocation |
| compilable/vgc2.d(103): vgc: indexing an associative array may cause GC allocation |
| --- |
| */ |
| void testIndex(int[int] aa) |
| { |
| aa[1] = 0; |
| int n = aa[1]; |
| } |