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      1 // RUN: rm -rf %t
      2 // RUN: %clang_cc1 -fmodules -fimplicit-module-maps -fmodules-cache-path=%t -x objective-c -fmodule-name=category_top -emit-module %S/Inputs/module.map
      3 // RUN: %clang_cc1 -fmodules -fimplicit-module-maps -fmodules-cache-path=%t -x objective-c -fmodule-name=category_left -emit-module %S/Inputs/module.map
      4 // RUN: %clang_cc1 -fmodules -fimplicit-module-maps -fmodules-cache-path=%t -x objective-c -fmodule-name=category_right -emit-module %S/Inputs/module.map
      5 // RUN: %clang_cc1 -fmodules -fimplicit-module-maps -fmodules-cache-path=%t -x objective-c -fmodule-name=category_bottom -emit-module %S/Inputs/module.map
      6 // RUN: %clang_cc1 -fmodules -fimplicit-module-maps -fmodules-cache-path=%t -x objective-c -fmodule-name=category_other -emit-module %S/Inputs/module.map
      7 // RUN: %clang_cc1 -fmodules -fimplicit-module-maps -fmodules-cache-path=%t -I %S/Inputs %s -verify
      8 
      9 @import category_bottom;
     10 
     11 // expected-note@Inputs/category_left.h:14 {{previous definition}}
     12 // expected-warning@Inputs/category_right.h:11 {{duplicate definition of category}}
     13 // expected-note@Inputs/category_top.h:1 {{receiver is instance of class declared here}}
     14 
     15 @interface Foo(Source)
     16 -(void)source; 
     17 @end
     18 
     19 void test(Foo *foo, LeftFoo *leftFoo) {
     20   [foo source];
     21   [foo bottom];
     22   [foo left];
     23   [foo right1];
     24   [foo right2];
     25   [foo top];
     26   [foo top2];
     27   [foo top3];
     28 
     29   [leftFoo left];
     30   [leftFoo bottom];
     31 }
     32 
     33 // Load another module that also adds categories to Foo, verify that
     34 // we see those categories.
     35 @import category_other;
     36 
     37 void test_other(Foo *foo) {
     38   [foo other];
     39 }
     40 
     41 // Make sure we don't see categories that should be hidden
     42 void test_hidden_all_errors(Foo *foo) {
     43   [foo left_sub]; // expected-warning{{instance method '-left_sub' not found (return type defaults to 'id')}}
     44   foo.right_sub_prop = foo; // expected-error{{property 'right_sub_prop' not found on object of type 'Foo *'}}
     45   int i = foo->right_sub_ivar; // expected-error{{'Foo' does not have a member named 'right_sub_ivar'}}
     46   id<P1> p1 = foo; // expected-warning{{initializing 'id<P1>' with an expression of incompatible type 'Foo *'}}
     47   id<P2> p2 = foo; // expected-warning{{initializing 'id<P2>' with an expression of incompatible type 'Foo *'}}
     48   id<P3> p3;
     49   [p3 p3_method]; // expected-warning{{instance method '-p3_method' not found (return type defaults to 'id')}}
     50   id<P4> p4;
     51   [p4 p4_method]; // expected-warning{{instance method '-p4_method' not found (return type defaults to 'id')}}
     52   id p3p = p3.p3_prop; // expected-error{{property 'p3_prop' not found on object of type 'id<P3>'}}
     53   p3p = foo.p3_prop; // expected-error{{property 'p3_prop' not found on object of type 'Foo *'}}
     54   id p4p = p4.p4_prop; // expected-error{{property 'p4_prop' not found on object of type 'id<P4>'}}
     55   p4p = foo.p4_prop; // expected-error{{property 'p4_prop' not found on object of type 'Foo *'}}
     56 }
     57 
     58 @import category_left.sub;
     59 
     60 void test_hidden_right_errors(Foo *foo) {
     61   // These are okay
     62   [foo left_sub]; // okay
     63   id<P1> p1 = foo;
     64   id<P3> p3;
     65   [p3 p3_method];
     66   id p3p = p3.p3_prop;
     67   p3p = foo.p3_prop;
     68   // These should fail
     69   foo.right_sub_prop = foo; // expected-error{{property 'right_sub_prop' not found on object of type 'Foo *'}}
     70   int i = foo->right_sub_ivar; // expected-error{{'Foo' does not have a member named 'right_sub_ivar'}}
     71   id<P2> p2 = foo; // expected-warning{{initializing 'id<P2>' with an expression of incompatible type 'Foo *'}}
     72   id<P4> p4;
     73   [p4 p4_method]; // expected-warning{{instance method '-p4_method' not found (return type defaults to 'id')}}
     74   id p4p = p4.p4_prop; // expected-error{{property 'p4_prop' not found on object of type 'id<P4>'}}
     75   p4p = foo.p4_prop; // expected-error{{property 'p4_prop' not found on object of type 'Foo *'; did you mean 'p3_prop'?}}
     76   // expected-note@Inputs/category_left_sub.h:7{{'p3_prop' declared here}}
     77 }
     78 
     79 @import category_right.sub;
     80 
     81 void test_hidden_okay(Foo *foo) {
     82   [foo left_sub];
     83   foo.right_sub_prop = foo;
     84   int i = foo->right_sub_ivar;
     85   id<P1> p1 = foo;
     86   id<P2> p2 = foo;
     87   id<P3> p3;
     88   [p3 p3_method];
     89   id<P4> p4;
     90   [p4 p4_method];
     91   id p3p = p3.p3_prop;
     92   p3p = foo.p3_prop;
     93   id p4p = p4.p4_prop;
     94   p4p = foo.p4_prop;
     95 }
     96