Attempt to print stacktrace to figure out what the exception is

CMakeLists.txt

@@ -19,7 +19,7 @@ if (CMAKE_CXX_COMPILER_ID STREQUAL "Clang" OR
     # using clang or gcc
 
     set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wextra")
-    set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -O0 -g")
+    set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -O0 -g -rdynamic")
     set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -O3")
     # debugging
     #set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -D_GLIBCXX_DEBUG")

test/src/pdf2htmlEX_wrapper_test.cpp

@@ -53,12 +53,28 @@ TEST_P(pdf2htmlEXWrapperTests, html) {
     password = "sample-user-password";
   }
 
-  Html html = odr::internal::html::pdf2htmlEX_wrapper(
-      test_file.path, output_path, config, password);
+  try {
+    Html html = odr::internal::html::pdf2htmlEX_wrapper(
+        test_file.path, output_path, config, password);
 
-  for (const HtmlPage &html_page : html.pages()) {
-    EXPECT_TRUE(fs::is_regular_file(html_page.path));
-    EXPECT_LT(0, fs::file_size(html_page.path));
+    for (const HtmlPage &html_page : html.pages()) {
+      EXPECT_TRUE(fs::is_regular_file(html_page.path));
+      EXPECT_LT(0, fs::file_size(html_page.path));
+    }
+  } catch (const std::exception & e) {
+    std::cerr << e.what() << std::endl << std::flush;
+
+    void *array[10];
+    int size = backtrace(array, 10);
+    char ** symbols = backtrace_symbols(array, size);
+    for (int i = 0; i < size; i++) {
+      std::cerr << symbols[i] << std::endl;
+    }
+    free(symbols);
+    std::cerr << std::flush;
+    sleep(2);
+
+    throw e;
   }
 }