2020-12-02 15:09:45 +01:00
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/*
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* Copyright 2007-2020 CM4all GmbH
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* All rights reserved.
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*
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* author: Max Kellermann <mk@cm4all.com>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* - Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* - Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the
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* distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "util/Exception.hxx"
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#include <gtest/gtest.h>
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TEST(ExceptionTest, RuntimeError)
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{
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ASSERT_EQ(GetFullMessage(std::make_exception_ptr(std::runtime_error("Foo"))), "Foo");
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}
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TEST(ExceptionTest, DerivedError)
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{
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class DerivedError : public std::runtime_error {
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public:
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explicit DerivedError(const char *_msg)
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:std::runtime_error(_msg) {}
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};
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ASSERT_EQ(GetFullMessage(std::make_exception_ptr(DerivedError("Foo"))), "Foo");
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}
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2021-03-01 23:05:58 +01:00
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2021-03-01 23:01:37 +01:00
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TEST(ExceptionTest, FindNestedDirect)
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{
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struct Foo {};
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struct Bar {};
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struct Derived : Foo {};
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try {
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throw Foo{};
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} catch (...) {
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EXPECT_NE(FindNested<Foo>(std::current_exception()),
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nullptr);
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}
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try {
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throw Bar{};
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} catch (...) {
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EXPECT_EQ(FindNested<Foo>(std::current_exception()),
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nullptr);
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}
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try {
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throw Derived{};
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} catch (...) {
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EXPECT_NE(FindNested<Foo>(std::current_exception()),
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nullptr);
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}
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}
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TEST(ExceptionTest, FindNestedIndirect)
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{
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struct Foo {};
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struct Bar {};
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struct Derived : Foo {};
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struct Outer {};
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try {
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throw Foo{};
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} catch (...) {
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try {
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std::throw_with_nested(Outer{});
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} catch (...) {
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EXPECT_NE(FindNested<Foo>(std::current_exception()),
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nullptr);
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}
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}
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try {
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throw Bar{};
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} catch (...) {
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try {
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std::throw_with_nested(Outer{});
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} catch (...) {
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EXPECT_EQ(FindNested<Foo>(std::current_exception()),
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nullptr);
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}
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}
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try {
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throw Derived{};
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} catch (...) {
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try {
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std::throw_with_nested(Outer{});
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} catch (...) {
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EXPECT_NE(FindNested<Foo>(std::current_exception()),
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nullptr);
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}
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}
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}
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2021-03-01 23:05:58 +01:00
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template<typename T>
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static bool
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CheckFindRetrowNested(std::exception_ptr e) noexcept
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{
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try {
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FindRetrowNested<T>(e);
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} catch (const T &) {
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return true;
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}
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return false;
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}
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TEST(ExceptionTest, FindRetrowNestedDirect)
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{
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struct Foo {};
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struct Bar {};
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struct Derived : Foo {};
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try {
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throw Foo{};
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} catch (...) {
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EXPECT_TRUE(CheckFindRetrowNested<Foo>(std::current_exception()));
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}
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try {
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throw Bar{};
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} catch (...) {
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EXPECT_FALSE(CheckFindRetrowNested<Foo>(std::current_exception()));
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}
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try {
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throw Derived{};
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} catch (...) {
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EXPECT_TRUE(CheckFindRetrowNested<Foo>(std::current_exception()));
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}
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}
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TEST(ExceptionTest, FindRetrowNestedIndirect)
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{
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struct Foo {};
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struct Bar {};
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struct Derived : Foo {};
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struct Outer {};
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try {
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throw Foo{};
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} catch (...) {
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try {
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std::throw_with_nested(Outer{});
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} catch (...) {
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EXPECT_TRUE(CheckFindRetrowNested<Foo>(std::current_exception()));
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}
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}
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try {
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throw Bar{};
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} catch (...) {
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try {
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std::throw_with_nested(Outer{});
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} catch (...) {
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EXPECT_FALSE(CheckFindRetrowNested<Foo>(std::current_exception()));
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}
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}
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try {
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throw Derived{};
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} catch (...) {
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try {
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std::throw_with_nested(Outer{});
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} catch (...) {
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EXPECT_TRUE(CheckFindRetrowNested<Foo>(std::current_exception()));
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}
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}
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}
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TEST(ExceptionTest, FindRetrowNestedIndirectRuntimeError)
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{
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struct Foo {};
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struct Bar {};
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struct Derived : Foo {};
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try {
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throw Foo{};
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} catch (...) {
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try {
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std::throw_with_nested(std::runtime_error("X"));
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} catch (...) {
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EXPECT_TRUE(CheckFindRetrowNested<Foo>(std::current_exception()));
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}
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}
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try {
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throw Bar{};
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} catch (...) {
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try {
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std::throw_with_nested(std::runtime_error("X"));
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} catch (...) {
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EXPECT_FALSE(CheckFindRetrowNested<Foo>(std::current_exception()));
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}
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}
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try {
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throw Derived{};
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} catch (...) {
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try {
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std::throw_with_nested(std::runtime_error("X"));
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} catch (...) {
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EXPECT_TRUE(CheckFindRetrowNested<Foo>(std::current_exception()));
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}
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}
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}
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