; RUN: rm -rf %t
; RUN: split-file %s %t
; RUN: sed -e "s|DSTROOT|%/t|g" %t/inputs.json.in > %t/inputs.json
; RUN: yaml2obj %t/swift-objc-class.yaml -o %t/libswift-objc.dylib

// Try out dylib that only has 1 symbol for a ObjCClass, with no declarations in header. 
; RUN: clang-installapi -target arm64-apple-macos14 -dynamiclib \
; RUN: -install_name tmp.dylib --verify-against=%t/libswift-objc.dylib \
; RUN: -I%t/usr/include %t/inputs.json -o %t/missing.tbd \
; RUN: --verify-mode=ErrorsAndWarnings 2>&1 | FileCheck --check-prefix MISSING_DECL %s
; RUN: llvm-readtapi --compare %t/missing.tbd %t/missing-expected.tbd 

// Try out a dylib that only has 1 symbol for a ObjCClass, 
// but a complete ObjCClass decl in header.
; RUN: clang-installapi -target arm64-apple-macos14 -dynamiclib \
; RUN: -install_name tmp.dylib --verify-against=%t/libswift-objc.dylib \
; RUN: -I%t/usr/include %t/inputs.json -o %t/mismatching.tbd \
; RUN: --verify-mode=Pedantic -DFULL_DECL 2>&1 | FileCheck --check-prefix MISMATCH_DECL %s
; RUN: llvm-readtapi -compare %t/mismatching.tbd  %t/mismatching-expected.tbd

// Try out a dylib that only has 1 symbol for a ObjCClass, but is represented in header. 
; RUN: clang-installapi -target arm64-apple-macos14 -dynamiclib \
; RUN: -install_name tmp.dylib --verify-against=%t/libswift-objc.dylib \
; RUN: -I%t/usr/include %t/inputs.json -o %t/matching.tbd \
; RUN: --verify-mode=Pedantic \
; RUN: -DHAS_META_DECL 2>&1 | FileCheck --allow-empty %s

; MISSING_DECL:        violations found for arm64
; MISSING_DECL-NEXT:   warning: no declaration was found for exported symbol 'Metaclass of Suggestion' in dynamic library

; MISMATCH_DECL:       violations found for arm64-apple-macos14
; MISMATCH_DECL:       warning: declaration has external linkage, but dynamic library doesn't have symbol 'Class of Suggestion'

; CHECK-NOT:           error
; CHECK-NOT:           warning 


;--- usr/include/mismatch.h
#if HAS_META_DECL
int metaclass __asm("_OBJC_METACLASS_$_Suggestion");
#endif 

#if FULL_DECL
@interface Suggestion 
@end
#endif

;--- inputs.json.in
{
  "headers": [ {
    "path" : "DSTROOT/usr/include/mismatch.h",
    "type" : "public"
  }
  ],
  "version": "3"
}

;--- missing-expected.tbd
--- !tapi-tbd
tbd-version:     4
targets:         [ arm64-macos ]
flags:           [ not_app_extension_safe ]
install-name:    tmp.dylib
current-version: 0
compatibility-version: 0
...

;--- mismatching-expected.tbd
--- !tapi-tbd
tbd-version:     4
targets:         [ arm64-macos ]
flags:           [ not_app_extension_safe ]
install-name:    tmp.dylib
current-version: 0
compatibility-version: 0
exports:
  - targets:         [ arm64-macos ]
    objc-classes:    [ Suggestion ]
...

;--- swift-objc-class.yaml
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// Generated from: 
// xcrun -sdk macosx clang tmp.c -dynamiclib -install_name tmp.dylib
// tmp.c: 
// __attribute__((visibility("default")))
// const char Meta __asm("_OBJC_METACLASS_$_Suggestion") = 'a';