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-rw-r--r--test/std/containers/sequences/vector/vector.modifiers/push_back_exception_safety.pass.cpp86
1 files changed, 86 insertions, 0 deletions
diff --git a/test/std/containers/sequences/vector/vector.modifiers/push_back_exception_safety.pass.cpp b/test/std/containers/sequences/vector/vector.modifiers/push_back_exception_safety.pass.cpp
new file mode 100644
index 000000000000..6615a25a620f
--- /dev/null
+++ b/test/std/containers/sequences/vector/vector.modifiers/push_back_exception_safety.pass.cpp
@@ -0,0 +1,86 @@
+//===----------------------------------------------------------------------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <vector>
+
+// void push_back(const value_type& x);
+
+#include <vector>
+#include <cassert>
+
+#include "asan_testing.h"
+
+// Flag that makes the copy constructor for CMyClass throw an exception
+static bool gCopyConstructorShouldThow = false;
+
+
+class CMyClass {
+ public: CMyClass(int tag);
+ public: CMyClass(const CMyClass& iOther);
+ public: ~CMyClass();
+
+ bool equal(const CMyClass &rhs) const
+ { return fTag == rhs.fTag && fMagicValue == rhs.fMagicValue; }
+ private:
+ int fMagicValue;
+ int fTag;
+
+ private: static int kStartedConstructionMagicValue;
+ private: static int kFinishedConstructionMagicValue;
+};
+
+// Value for fMagicValue when the constructor has started running, but not yet finished
+int CMyClass::kStartedConstructionMagicValue = 0;
+// Value for fMagicValue when the constructor has finished running
+int CMyClass::kFinishedConstructionMagicValue = 12345;
+
+CMyClass::CMyClass(int tag) :
+ fMagicValue(kStartedConstructionMagicValue), fTag(tag)
+{
+ // Signal that the constructor has finished running
+ fMagicValue = kFinishedConstructionMagicValue;
+}
+
+CMyClass::CMyClass(const CMyClass& iOther) :
+ fMagicValue(kStartedConstructionMagicValue), fTag(iOther.fTag)
+{
+ // If requested, throw an exception _before_ setting fMagicValue to kFinishedConstructionMagicValue
+ if (gCopyConstructorShouldThow) {
+ throw std::exception();
+ }
+ // Signal that the constructor has finished running
+ fMagicValue = kFinishedConstructionMagicValue;
+}
+
+CMyClass::~CMyClass() {
+ // Only instances for which the constructor has finished running should be destructed
+ assert(fMagicValue == kFinishedConstructionMagicValue);
+}
+
+bool operator==(const CMyClass &lhs, const CMyClass &rhs) { return lhs.equal(rhs); }
+
+int main()
+{
+ CMyClass instance(42);
+ std::vector<CMyClass> vec;
+
+ vec.push_back(instance);
+ std::vector<CMyClass> vec2(vec);
+ assert(is_contiguous_container_asan_correct(vec));
+ assert(is_contiguous_container_asan_correct(vec2));
+
+ gCopyConstructorShouldThow = true;
+ try {
+ vec.push_back(instance);
+ }
+ catch (...) {
+ assert(vec==vec2);
+ assert(is_contiguous_container_asan_correct(vec));
+ }
+}