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      1 // The line and column layout of this test is significant. Run lines
      2 // are at the end.
      3 typedef void (^block_t)(float f, double d);
      4 void f(int (^block)(int x, int y));
      5 void g(block_t b);
      6 
      7 void test_f() {
      8 
      9 }
     10 
     11 @interface A
     12 - method:(int (^)(int x, int y))b;
     13 - method2:(block_t)b;
     14 @end
     15 
     16 void test_A(A *a) {
     17   [a method:0];
     18 }
     19 
     20 @interface B
     21 - method3:(int (^)(void))b;
     22 @end
     23 
     24 void test_B(B *b) {
     25   [b method3:^int(void){ return 0; }];
     26 }
     27 
     28 @interface C
     29 - method4:(void(^)(void))arg;
     30 - method5:(void(^)())arg5;
     31 @end
     32 
     33 void test_C(C *c) {
     34   [c method4:^{}];
     35 }
     36 
     37 @interface D
     38 - method6:(void(^)(block_t block))arg;
     39 @end
     40 
     41 void test_D(D *d) {
     42   [d method6:0];
     43 }
     44 
     45 @interface I1
     46 - method7:(int (^_Nullable)(int x, int y))b;
     47 @end
     48 void f2(int (^_Nullable block)(int x, int y));
     49 void test_f2(I1 *o) {
     50   [o method7:0];
     51 }
     52 
     53 // RUN: c-index-test -code-completion-at=%s:8:1 %s | FileCheck -check-prefix=CHECK-CC1 %s
     54 // CHECK-CC1: FunctionDecl:{ResultType void}{TypedText f}{LeftParen (}{Placeholder ^int(int x, int y)block}{RightParen )} (50)
     55 // CHECK-CC1: FunctionDecl:{ResultType void}{TypedText g}{LeftParen (}{Placeholder ^(float f, double d)b}{RightParen )} (50)
     56 // RUN: c-index-test -code-completion-at=%s:17:6 %s | FileCheck -check-prefix=CHECK-CC2 %s
     57 // CHECK-CC2: ObjCInstanceMethodDecl:{ResultType id}{TypedText method2:}{Placeholder ^(float f, double d)b} (35)
     58 // CHECK-CC2: ObjCInstanceMethodDecl:{ResultType id}{TypedText method:}{Placeholder ^int(int x, int y)b} (35)
     59 // RUN: c-index-test -code-completion-at=%s:25:6 %s | FileCheck -check-prefix=CHECK-CC3 %s
     60 // CHECK-CC3: ObjCInstanceMethodDecl:{ResultType id}{TypedText method3:}{Placeholder ^int(void)b} (35)
     61 // RUN: c-index-test -code-completion-at=%s:34:6 %s | FileCheck -check-prefix=CHECK-CC4 %s
     62 // CHECK-CC4: ObjCInstanceMethodDecl:{ResultType id}{TypedText method4:}{Placeholder ^(void)arg} (35)
     63 // CHECK-CC4: ObjCInstanceMethodDecl:{ResultType id}{TypedText method5:}{Placeholder ^(void)arg5} (35)
     64 // RUN: c-index-test -code-completion-at=%s:25:15 %s | FileCheck -check-prefix=CHECK-CC5 %s
     65 // CHECK-CC5: TypedefDecl:{TypedText block_t} (50)
     66 // CHECK-CC5: TypedefDecl:{TypedText Class} (50)
     67 // CHECK-CC5-NOT: test_A
     68 // CHECK-CC5: {TypedText union} (50)
     69 
     70 // RUN: c-index-test -code-completion-at=%s:42:6 %s | FileCheck -check-prefix=CHECK-CC6 %s
     71 // CHECK-CC6: ObjCInstanceMethodDecl:{ResultType id}{TypedText method6:}{Placeholder ^(block_t block)arg} (35)
     72 
     73 // RUN: c-index-test -code-completion-at=%s:50:1 %s | FileCheck -check-prefix=CHECK-CC7 %s
     74 // CHECK-CC7: FunctionDecl:{ResultType void}{TypedText f2}{LeftParen (}{Placeholder ^int(int x, int y)block}{RightParen )} (50)
     75 // RUN: c-index-test -code-completion-at=%s:50:6 %s | FileCheck -check-prefix=CHECK-CC8 %s
     76 // CHECK-CC8: ObjCInstanceMethodDecl:{ResultType id}{TypedText method7:}{Placeholder ^int(int x, int y)b} (35)
     77