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Update zmq::message_t::str with max_size (#665)

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* Update zmq::message_t::str with an argument to set the maximum message size to put in a debug string

* Fix std::min on Windows and move byte variable to a lower scope

---------

Co-authored-by: Charles Cabergs <charles.cabergs@intellis.ch>
This commit is contained in:
Charles Cabergs
2025-09-22 08:53:55 +00:00
committed by GitHub
parent 3bcbd9dad2
commit 8bace31b3d
2 changed files with 40 additions and 21 deletions
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18
tests/message.cpp
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@@ -196,6 +196,24 @@ TEST_CASE("message to string", "[message]")
#endif
}
TEST_CASE("message to debug string", "[message]")
{
const zmq::message_t a;
const zmq::message_t b("Foo", 3);
const zmq::message_t c("ascii\x01\x02\x03%%%\x04\x05\x06###", 17);
const zmq::message_t d("\x01\x02\x03|||", 6);
CHECK(a.str() == "zmq::message_t [size 000] ()");
CHECK(b.str() == "zmq::message_t [size 003] (Foo)");
CHECK(c.str() == "zmq::message_t [size 017] (ascii 010203 %%% 040506 ###)");
CHECK(d.str() == "zmq::message_t [size 006] (010203 |||)");
// With max_size
CHECK(a.str(100) == "zmq::message_t [size 000] ()");
CHECK(b.str(2) == "zmq::message_t [size 003] (Fo... too big to print)");
CHECK(c.str(10)
== "zmq::message_t [size 017] (ascii 010203 %%... too big to print)");
CHECK(d.str(2) == "zmq::message_t [size 006] (0102... too big to print)");
}
#if defined(ZMQ_BUILD_DRAFT_API) && ZMQ_VERSION >= ZMQ_MAKE_VERSION(4, 2, 0)
TEST_CASE("message routing id persists", "[message]")
{