error: add global &error_warn destination

This can help debugging issues or develop, when error handling is
introduced.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Stefan Berger <stefanb@linux.ibm.com>
Message-Id: <20230221124802.4103554-6-marcandre.lureau@redhat.com>

1 files changed, 18 insertions, 0 deletions

diff --git a/tests/unit/test-error-report.c b/tests/unit/test-error-report.c
index b09650687b..54319c86c9 100644
--- a/tests/unit/test-error-report.c
+++ b/tests/unit/test-error-report.c
@@ -12,6 +12,7 @@
 #include <locale.h>
 
 #include "qemu/error-report.h"
+#include "qapi/error.h"
 
 static void
 test_error_report_simple(void)
@@ -103,6 +104,22 @@ test_error_report_timestamp(void)
 ");
 }
 
+static void
+test_error_warn(void)
+{
+    if (g_test_subprocess()) {
+        error_setg(&error_warn, "Testing &error_warn");
+        return;
+    }
+
+    g_test_trap_subprocess(NULL, 0, 0);
+    g_test_trap_assert_passed();
+    g_test_trap_assert_stderr("\
+test-error-report: warning: Testing &error_warn*\
+");
+}
+
+
 int
 main(int argc, char *argv[])
 {
@@ -116,6 +133,7 @@ main(int argc, char *argv[])
     g_test_add_func("/error-report/glog", test_error_report_glog);
     g_test_add_func("/error-report/once", test_error_report_once);
     g_test_add_func("/error-report/timestamp", test_error_report_timestamp);
+    g_test_add_func("/error-report/warn", test_error_warn);
 
     return g_test_run();
 }