Re: throw std::invalid_argument

From:
red floyd <redfloyd@gmail.com>
Newsgroups:
comp.lang.c++
Date:
Fri, 20 Feb 2009 08:36:55 -0800 (PST)
Message-ID:
<973f8adb-259d-4175-8d3a-bcee62e102a4@x10g2000yqk.googlegroups.com>
On Feb 20, 6:43 am, red floyd <no.spam.h...@example.com> wrote:

mlt wrote:

In my code I use throw:

if (someCondition) {
    std::cout << "time to throw!\n";
    throw std::invalid_argument("very bad error!");
}

I then test for what happens when someCondition is true. "time to throw=

!"

gets printed but "very bad error!" is not printed. A box just pops up
saying:

Debug Error!

Program: ...

This application has requested the Runtime to terminate.....

(Press retry to debug application)

Should "very bad error!" not pop up somewhere?


Why would you expect that? Are you catching invalid_argument and
sending something to cout? If you're not catching invalid_argument (or
its parent), then you're going to hit std::unexpected, which for your
compiler, apparently pops up the Runtime Termination dialog.


That'll teach me to post while half asleep. If you don't catch your
exception, you'll go to std::terminate, not std::unexpected.

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