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Test custom exception handling #351

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This commit is contained in:
Jason Turner 2017-06-05 19:36:40 -06:00
parent d720d069ca
commit 76c7712507
1 changed files with 28 additions and 0 deletions
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28
unittests/compiled_tests.cpp
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@ -1288,4 +1288,32 @@ TEST_CASE("Test returning by const non-reference")
}
struct MyException : std::runtime_error
{
using std::runtime_error::runtime_error;
int value = 5;
};
void throws_a_thing()
{
throw MyException("Hello World");
}
TEST_CASE("Test throwing and catching custom exception")
{
chaiscript::ChaiScript_Basic chai(create_chaiscript_stdlib(),create_chaiscript_parser());
chai.add(chaiscript::user_type<MyException>(), "MyException");
chai.add(chaiscript::base_class<std::runtime_error, MyException>()); // be sure to register base class relationship
chai.add(chaiscript::fun(&throws_a_thing), "throws_a_thing");
chai.add(chaiscript::fun(&MyException::value), "value");
const auto s = chai.eval<std::string>("fun(){ try { throws_a_thing(); } catch (MyException ex) { return ex.what(); } }()");
CHECK(s == "Hello World");
// this has an explicit clone to prevent returning a pointer to the `value` from inside of MyException
const auto i = chai.eval<int>("fun(){ try { throws_a_thing(); } catch (MyException ex) { var v = clone(ex.value); print(v); return v; } }()");
CHECK(i == 5);
}