Add a test case for the stack trace formatter

test/CMakeLists.txt

@@ -16,6 +16,7 @@ set(base_test_SOURCES
   base-object-packer.cpp
   base-serialize.cpp
   base-shellescape.cpp
+  base-stacktrace.cpp
   base-stream.cpp
   base-string.cpp
   base-timer.cpp
@@ -89,6 +90,7 @@ add_boost_test(base
     base_serialize/object
     base_shellescape/escape_basic
     base_shellescape/escape_quoted
+    base_stacktrace/stacktrace
     base_stream/readline_stdio
     base_string/construct
     base_string/equal

test/base-stacktrace.cpp

@@ -0,0 +1,44 @@
+/* Icinga 2 | (c) 2020 Icinga GmbH | GPLv2+ */
+
+#include "base/stacktrace.hpp"
+#include <BoostTestTargetConfig.h>
+
+using namespace icinga;
+
+
+#pragma GCC push_options
+#pragma GCC optimize ("O0")
+#pragma clang optimize off
+
+BOOST_AUTO_TEST_SUITE(base_stacktrace)
+
+[[gnu::noinline]]
+void stack_test_func_b()
+{
+	boost::stacktrace::stacktrace stack;
+	std::ostringstream obuf;
+	obuf << StackTraceFormatter(stack);
+	std::string result = obuf.str();
+	BOOST_CHECK_MESSAGE(!result.empty(), "stack trace must not be empty");
+	size_t pos_a = result.find("stack_test_func_a");
+	size_t pos_b = result.find("stack_test_func_b");
+	BOOST_CHECK_MESSAGE(pos_a != std::string::npos, "'stack_test_func_a' not found\n\n" << result);
+	BOOST_CHECK_MESSAGE(pos_b != std::string::npos, "'stack_test_func_b' not found\n\n" << result);
+	BOOST_CHECK_MESSAGE(pos_a > pos_b, "'stack_test_func_a' must appear after 'stack_test_func_b'\n\n" << result);
+}
+
+[[gnu::noinline]]
+void stack_test_func_a()
+{
+	stack_test_func_b();
+}
+
+BOOST_AUTO_TEST_CASE(stacktrace)
+{
+	stack_test_func_a();
+}
+
+BOOST_AUTO_TEST_SUITE_END()
+
+#pragma GCC pop_options
+#pragma clang optimize on