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test/util/TestException: add CheckFindRetrowNested() unit test

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This commit is contained in:
Max Kellermann 2021-03-01 23:05:58 +01:00 committed by Max Kellermann
parent ec0c1f0d02
commit 2d96b05403
1 changed files with 113 additions and 0 deletions
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113
test/util/TestException.cxx
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@ -49,3 +49,116 @@ TEST(ExceptionTest, DerivedError)
ASSERT_EQ(GetFullMessage(std::make_exception_ptr(DerivedError("Foo"))), "Foo");
}
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()));
}
}
}