Restrict parse value to strtoll with restrictions on input.

test/src/test_command_groups.h

@@ -0,0 +1,17 @@
+#include "test/helpers/test_fixture.h"
+
+class TestCommandGroups : public test_fixture {
+  CPPUNIT_TEST_SUITE(TestCommandGroups);
+
+  CPPUNIT_TEST(test_max_unchoked_in_range);
+  CPPUNIT_TEST(test_max_unchoked_out_of_range);
+
+  CPPUNIT_TEST_SUITE_END();
+
+public:
+  void setUp();
+  void tearDown();
+
+  void test_max_unchoked_in_range();
+  void test_max_unchoked_out_of_range();
+};