test,doc: add missing uv_setup_args() calls

libuv 1.39.0 will begin requiring uv_setup_args() to be called
before attempting to access the process title. This commit adds
uv_setup_args() calls that were missing in order for the test
suite to pass (and updates the documentation).

PR-URL: #34751
Reviewed-By: Richard Lau <riclau@uk.ibm.com>
Reviewed-By: David Carlier <devnexen@gmail.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>

doc/api/embedding.md

@@ -35,6 +35,7 @@ the `node` and `v8` C++ namespaces, respectively.
 
 ```cpp
 int main(int argc, char** argv) {
+  argv = uv_setup_args(argc, argv);
   std::vector<std::string> args(argv, argv + argc);
   std::vector<std::string> exec_args;
   std::vector<std::string> errors;

test/cctest/gtest/gtest_main.cc

@@ -28,6 +28,7 @@
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 #include <cstdio>
+#include <uv.h>
 #include "gtest.h"
 
 #ifdef ARDUINO
@@ -40,6 +41,7 @@ void loop() { RUN_ALL_TESTS(); }
 #else
 
 GTEST_API_ int main(int argc, char **argv) {
+  argv = uv_setup_args(argc, argv);
   printf("Running main() from %s\n", __FILE__);
   testing::InitGoogleTest(&argc, argv);
   return RUN_ALL_TESTS();

test/embedding/embedtest.cc

@@ -24,6 +24,7 @@ static int RunNodeInstance(MultiIsolatePlatform* platform,
                            const std::vector<std::string>& exec_args);
 
 int main(int argc, char** argv) {
+  argv = uv_setup_args(argc, argv);
   std::vector<std::string> args(argv, argv + argc);
   std::vector<std::string> exec_args;
   std::vector<std::string> errors;