mpd/test/util/TestException.cxx

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