On 25/03/21 08:03 -0300, Alexandre Oliva wrote:
On Mar 24, 2021, Jonathan Wakely <jwak...@redhat.com> wrote:
diff --git a/libstdc++-v3/testsuite/util/testsuite_random.h
b/libstdc++-v3/testsuite/util/testsuite_random.h
index 0b670bfb771..c8323078492 100644
--- a/libstdc++-v3/testsuite/util/testsuite_random.h
+++ b/libstdc++-v3/testsuite/util/testsuite_random.h
@@ -197,6 +197,19 @@ namespace __gnu_test
}
#endif
+ // Check whether TOKEN can construct a std::random_device successfully.
+ inline bool
+ random_device_available(const std::string& token) noexcept
+ {
+ try {
+ std::random_device dev(token);
+ return true;
+ } catch (...) {
+ std::printf("random_device(\"%s\") not available\n", token);
Another nit: I'm seeing line noise (do people still use this term? :-)
in libstdc++.log where unavailable random_device tokens should appear.
I suspect the token has to be converted to a C string in the call above.
Doh, the function took a const char* then I changed it to std::string
because some of the callers wanted to pass a std::string. I'll fix it
in my branch.
