1 package issue9026 2 3 // This file appears in its own package since the assertion tests the 4 // per-package counter used to create fresh identifiers. 5 6 /* 7 typedef struct {} git_merge_file_input; 8 9 typedef struct {} git_merge_file_options; 10 11 void git_merge_file( 12 git_merge_file_input *in, 13 git_merge_file_options *opts) {} 14 */ 15 import "C" 16 import ( 17 "fmt" 18 "testing" 19 ) 20 21 func Test(t *testing.T) { 22 var in C.git_merge_file_input 23 var opts *C.git_merge_file_options 24 C.git_merge_file(&in, opts) 25 26 // Test that the generated type names are deterministic. 27 // (Previously this would fail about 10% of the time.) 28 // 29 // Brittle: the assertion may fail spuriously when the algorithm 30 // changes, but should remain stable otherwise. 31 got := fmt.Sprintf("%T %T", in, opts) 32 want := "issue9026._Ctype_struct___0 *issue9026._Ctype_struct___1" 33 if got != want { 34 t.Errorf("Non-deterministic type names: got %s, want %s", got, want) 35 } 36 } 37