diff options
author | Felix Rath <felix.rath@comsys.rwth-aachen.de> | 2020-05-22 14:09:10 +0200 |
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committer | MartinNowack <2443641+MartinNowack@users.noreply.github.com> | 2020-10-12 11:19:24 +0100 |
commit | c09306ffd894f95be195723327d5b17dca73ebd1 (patch) | |
tree | 592773383280012bce8856b28503ab61de0deb98 /test/CXX/symex/libc++/dynamic_cast.cpp | |
parent | d920e049fa955877f772188fdc58cab1b31aabc9 (diff) | |
download | klee-c09306ffd894f95be195723327d5b17dca73ebd1.tar.gz |
Implemented support for C++ Exceptions
We implement the Itanium ABI unwinding base-API, and leave the C++-specific parts to libcxxabi. Co-authored-by: Lukas Wölfer <lukas.woelfer@rwth-aachen.de>
Diffstat (limited to 'test/CXX/symex/libc++/dynamic_cast.cpp')
-rw-r--r-- | test/CXX/symex/libc++/dynamic_cast.cpp | 56 |
1 files changed, 27 insertions, 29 deletions
diff --git a/test/CXX/symex/libc++/dynamic_cast.cpp b/test/CXX/symex/libc++/dynamic_cast.cpp index c2d8b528..a2fc8b82 100644 --- a/test/CXX/symex/libc++/dynamic_cast.cpp +++ b/test/CXX/symex/libc++/dynamic_cast.cpp @@ -1,54 +1,52 @@ +// REQUIRES: not-msan +// Disabling msan because it times out on CI // REQUIRES: libcxx // REQUIRES: uclibc // RUN: %clangxx %s -emit-llvm %O0opt -c -std=c++11 -I "%libcxx_include" -g -nostdinc++ -o %t1.bc // RUN: rm -rf %t.klee-out -// RUN: %klee --output-dir=%t.klee-out --exit-on-error --libc=uclibc --libcxx %t1.bc -// +// RUN: %klee --output-dir=%t.klee-out --libc=uclibc --libcxx %t1.bc + // Copied from 'http://en.cppreference.com/w/cpp/language/dynamic_cast' struct V { - virtual void f() {}; // must be polymorphic to use runtime-checked dynamic_cast + virtual void f(){}; // must be polymorphic to use runtime-checked dynamic_cast }; struct A : virtual V {}; struct B : virtual V { - B(V* v, A* a) { + B(V *v, A *a) { // casts during construction (see the call in the constructor of D below) - dynamic_cast<B*>(v); // well-defined: v of type V*, V base of B, results in B* - dynamic_cast<B*>(a); // undefined behavior: a has type A*, A not a base of B + dynamic_cast<B *>(v); // well-defined: v of type V*, V base of B, results in B* + dynamic_cast<B *>(a); // undefined behavior: a has type A*, A not a base of B } }; struct D : A, B { - D() : B((A*)this, this) { } + D() : B((A *)this, this) {} }; struct Base { - virtual ~Base() {} + virtual ~Base() {} }; -struct Derived: Base { - virtual void name() {} +struct Derived : Base { + virtual void name() {} }; -int main() -{ - D d; // the most derived object - A& a = d; // upcast, dynamic_cast may be used, but unnecessary - D& new_d = dynamic_cast<D&>(a); // downcast - B& new_b = dynamic_cast<B&>(a); // sidecast - +int main() { + D d; // the most derived object + A &a = d; // upcast, dynamic_cast may be used, but unnecessary + D &new_d = dynamic_cast<D &>(a); // downcast + B &new_b = dynamic_cast<B &>(a); // sidecast - Base* b1 = new Base; - if(Derived* d = dynamic_cast<Derived*>(b1)) - { - d->name(); // safe to call - } + Base *b1 = new Base; + if (Derived *d = dynamic_cast<Derived *>(b1)) { + d->name(); // safe to call + } - Base* b2 = new Derived; - if(Derived* d = dynamic_cast<Derived*>(b2)) - { - d->name(); // safe to call - } + Base *b2 = new Derived; + if (Derived *d = dynamic_cast<Derived *>(b2)) { + d->name(); // safe to call + } - delete b1; - delete b2; + delete b1; + delete b2; } |