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llvm-project/clang/test/InstallAPI/diagnostics-cpp.test
Cyndy Ishida 936519f25c
[InstallAPI] Verify that declarations in headers map to exports found in dylib (#85348) 
* This completes support for verifying every declaration found in a
header is discovered in the dylib. Diagnostics are reported for each
class for differences that are representable in TBD files.

* This patch also now captures unavailable attributes that depend on
target triples. This is needed for proper tbd file generation.
2024-03-19 18:36:46 -07:00

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// 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/Mismatch.yaml -o %t/System/Library/Frameworks/MismatchCpp.framework/MismatchCpp
// RUN: not clang-installapi --target=arm64-apple-macos13 -x objective-c++ \
// RUN: -F %t/System/Library/Frameworks \
// RUN: -install_name /System/Library/Frameworks/MismatchCpp.framework/Versions/A/MismatchCpp \
// RUN: -current_version 1 -compatibility_version 1 %t/inputs.json \
// RUN: --verify-against=%t/System/Library/Frameworks/MismatchCpp.framework/MismatchCpp \
// RUN: --verify-mode=Pedantic -o %t/output.tbd --demangle 2> %t/errors.log
// RUN: FileCheck -input-file %t/errors.log %s
CHECK: warning: violations found for arm64-apple-macos13
CHECK: CPP.h:5:7: error: declaration has external linkage, but symbol has internal linkage in dynamic library 'vtable for Bar'
CHECK-NEXT: class Bar : Foo {
CHECK-NEXT: ^
CHECK-NEXT: CPP.h:5:7: error: declaration has external linkage, but symbol has internal linkage in dynamic library 'typeinfo for Bar'
CHECK-NEXT: CPP.h:5:7: error: declaration has external linkage, but symbol has internal linkage in dynamic library 'typeinfo name for Bar'
CHECK-NEXT: CPP.h:6:7: error: dynamic library symbol '(weak-def) Bar::init()' is weak defined, but its declaration is not
CHECK-NEXT: int init();
CHECK-NEXT: ^
//--- inputs.json.in
{
"headers": [ {
"path" : "DSTROOT/System/Library/Frameworks/MismatchCpp.framework/Headers/CPP.h",
"type" : "public"
}
],
"version": "3"
}
//--- System/Library/Frameworks/MismatchCpp.framework/Headers/CPP.h
class Foo {
virtual int init() = 0;
};
class Bar : Foo {
int init();
};
/// Created from:
// With LD flags: -exported_symbol,"__ZN3Bar4initEv" -exported_symbol,"__Z3fooIjEiT_"
// class Foo { virtual int init() = 0;};
//
// class Bar : Foo {int init() { return 1;}};
// Bar bar;
//
// template <typename T> int foo(T val) { return 1; }
// template <> int foo(unsigned val) { return 1; }
//--- Mismatch.yaml
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...
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