Add gating.yaml and tests

Resolves: rhbz#1938758 (check-gitbz workaround, this bz is unrelated)

gating.yaml

@@ -0,0 +1,6 @@
+--- !Policy
+product_versions:
+  - rhel-9
+decision_context: osci_compose_gate
+rules:
+  - !PassingTestCaseRule {test_case_name: osci.brew-build.tier0.functional}

tests/devel-usability/hello_world.cpp

@@ -0,0 +1,45 @@
+// Copyright (c) 2014-2019 Dr. Colin Hirsch and Daniel Frey
+// Please see LICENSE for license or visit https://github.com/taocpp/PEGTL/
+
+#include <iostream>
+#include <string>
+
+#include <tao/pegtl.hpp>
+
+namespace pegtl = tao::pegtl;
+
+namespace hello
+{
+   // clang-format off
+   struct prefix : pegtl::string< 'H', 'e', 'l', 'l', 'o', ',', ' ' > {};
+   struct name : pegtl::plus< pegtl::alpha > {};
+   struct grammar : pegtl::must< prefix, name, pegtl::one< '!' >, pegtl::eof > {};
+   // clang-format on
+
+   template< typename Rule >
+   struct action : pegtl::nothing<Rule>
+   {};
+
+   template<>
+   struct action< name >
+   {
+      template< typename Input >
+      static void apply( const Input& in, std::string& v )
+      {
+         v = in.string();
+      }
+   };
+
+}  // namespace hello
+
+int main( int argc, char** argv )
+{
+   if( argc > 1 ) {
+      std::string name;
+
+      pegtl::argv_input<> in( argv, 1 );
+      pegtl::parse< hello::grammar, hello::action >( in, name );
+
+      std::cout << "Good bye, " << name << "!" << std::endl;
+   }
+}

tests/devel-usability/runtest.sh

@@ -0,0 +1,20 @@
+#!/bin/bash
+set -e
+
+TEST_SOURCE=hello_world.cpp
+TEST_TARGET="${TEST_SOURCE/\.cpp/}"
+
+CXXFLAGS="$(rpm --eval '%{build_cxxflags}')"
+LDFLAGS="$(rpm --eval '%{build_ldflags}')"
+
+# build target using distribution-specific flags
+g++ -std=c++11 $CXXFLAGS $LDFLAGS -o $TEST_TARGET $TEST_SOURCE
+
+# test that target exists
+test -f ./$TEST_TARGET
+
+# test that target is executable
+test -x ./$TEST_TARGET
+
+# test that target runs successfully
+./$TEST_TARGET "Hello, world!"

tests/tests.yml

@@ -0,0 +1,13 @@
+---
+- hosts: localhost
+  tags:
+  - classic
+  roles:
+  - role: standard-test-basic
+    tests:
+    - devel-usability
+    required_packages:
+    - gcc-c++
+    - rpm
+    - redhat-rpm-config
+    - PEGTL-devel