clang/test/InstallAPI/mismatching-objc-class-symbols.test

   1 ; RUN: rm -rf %t
   2 ; RUN: split-file %s %t
   3 ; RUN: sed -e "s|DSTROOT|%/t|g" %t/inputs.json.in > %t/inputs.json
   4 ; RUN: yaml2obj %t/swift-objc-class.yaml -o %t/libswift-objc.dylib
   5
   6 // Try out dylib that only has 1 symbol for a ObjCClass, with no declarations in header.
   7 ; RUN: clang-installapi -target arm64-apple-macos14 -dynamiclib \
   8 ; RUN: -install_name tmp.dylib --verify-against=%t/libswift-objc.dylib \
   9 ; RUN: -I%t/usr/include %t/inputs.json -o %t/missing.tbd \
  10 ; RUN: --verify-mode=ErrorsAndWarnings 2>&1 | FileCheck --check-prefix MISSING_DECL %s
  11 ; RUN: llvm-readtapi --compare %t/missing.tbd %t/missing-expected.tbd
  12
  13 // Try out a dylib that only has 1 symbol for a ObjCClass,
  14 // but a complete ObjCClass decl in header.
  15 ; RUN: clang-installapi -target arm64-apple-macos14 -dynamiclib \
  16 ; RUN: -install_name tmp.dylib --verify-against=%t/libswift-objc.dylib \
  17 ; RUN: -I%t/usr/include %t/inputs.json -o %t/mismatching.tbd \
  18 ; RUN: --verify-mode=Pedantic -DFULL_DECL 2>&1 | FileCheck --check-prefix MISMATCH_DECL %s
  19 ; RUN: llvm-readtapi -compare %t/mismatching.tbd  %t/mismatching-expected.tbd
  20
  21 // Try out a dylib that only has 1 symbol for a ObjCClass, but is represented in header.
  22 ; RUN: clang-installapi -target arm64-apple-macos14 -dynamiclib \
  23 ; RUN: -install_name tmp.dylib --verify-against=%t/libswift-objc.dylib \
  24 ; RUN: -I%t/usr/include %t/inputs.json -o %t/matching.tbd \
  25 ; RUN: --verify-mode=Pedantic \
  26 ; RUN: -DHAS_META_DECL 2>&1 | FileCheck --allow-empty %s
  27
  28 ; MISSING_DECL:        violations found for arm64
  29 ; MISSING_DECL-NEXT:   warning: no declaration was found for exported symbol 'Metaclass of Suggestion' in dynamic library
  30
  31 ; MISMATCH_DECL:       violations found for arm64-apple-macos14
  32 ; MISMATCH_DECL:       warning: declaration has external linkage, but dynamic library doesn't have symbol 'Class of Suggestion'
  33
  34 ; CHECK-NOT:           error
  35 ; CHECK-NOT:           warning
  36
  37
  38 ;--- usr/include/mismatch.h
  39 #if HAS_META_DECL
  40 int metaclass __asm("_OBJC_METACLASS_$_Suggestion");
  41 #endif
  42
  43 #if FULL_DECL
  44 @interface Suggestion
  45 @end
  46 #endif
  47
  48 ;--- inputs.json.in
  49 {
  50   "headers": [ {
  51     "path" : "DSTROOT/usr/include/mismatch.h",
  52     "type" : "public"
  53   }
  54   ],
  55   "version": "3"
  56 }
  57
  58 ;--- missing-expected.tbd
  59 --- !tapi-tbd
  60 tbd-version:     4
  61 targets:         [ arm64-macos ]
  62 flags:           [ not_app_extension_safe ]
  63 install-name:    tmp.dylib
  64 current-version: 0
  65 compatibility-version: 0
  66 ...
  67
  68 ;--- mismatching-expected.tbd
  69 --- !tapi-tbd
  70 tbd-version:     4
  71 targets:         [ arm64-macos ]
  72 flags:           [ not_app_extension_safe ]
  73 install-name:    tmp.dylib
  74 current-version: 0
  75 compatibility-version: 0
  76 exports:
  77   - targets:         [ arm64-macos ]
  78     objc-classes:    [ Suggestion ]
  79 ...
  80
  81 ;--- swift-objc-class.yaml
  82 --- !mach-o
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 262     - dyld_stub_binder
 263   FunctionStarts:  [ 0x330 ]
 264 ...
 265 // Generated from:
 266 // xcrun -sdk macosx clang tmp.c -dynamiclib -install_name tmp.dylib
 267 // tmp.c:
 268 // __attribute__((visibility("default")))
 269 // const char Meta __asm("_OBJC_METACLASS_$_Suggestion") = 'a';