[PATCH v2 5/9] test: add test for dropped trace before log_init

[Patrick Delaunay]

Add test for dropped trace before log_init, displayed by debug uart.

Signed-off-by: Patrick Delaunay <patrick.delaunay at st.com>
---

Changes in v2:
- Add test of displayed messages requested before log_init (NEW)

 arch/sandbox/cpu/start.c  |  5 +++++
 test/py/tests/test_log.py | 11 +++++++++++
 2 files changed, 16 insertions(+)

diff --git a/arch/sandbox/cpu/start.c b/arch/sandbox/cpu/start.c
index a03e5aa0b3..c5184d59be 100644
--- a/arch/sandbox/cpu/start.c
+++ b/arch/sandbox/cpu/start.c
@@ -8,6 +8,7 @@
 #include <dm/root.h>
 #include <errno.h>
 #include <init.h>
+#include <log.h>
 #include <os.h>
 #include <cli.h>
 #include <sort.h>
@@ -465,6 +466,10 @@ int main(int argc, char *argv[])
 	 */
 	gd->reloc_off = (ulong)gd->arch.text_base;
 
+	/* sandbox test: log functions called before log_init in board_init_f */
+	log_info("sandbox: starting...\n");
+	log_debug("debug: %s\n", __func__);
+
 	/* Do pre- and post-relocation init */
 	board_init_f(0);
 
diff --git a/test/py/tests/test_log.py b/test/py/tests/test_log.py
index 387b392ce9..f889120f2b 100644
--- a/test/py/tests/test_log.py
+++ b/test/py/tests/test_log.py
@@ -36,3 +36,14 @@ def test_log_format(u_boot_console):
         run_with_format('FLfm', 'file.c:123-func() msg')
         run_with_format('lm', 'NOTICE. msg')
         run_with_format('m', 'msg')
+
+ at pytest.mark.buildconfigspec('debug_uart')
+ at pytest.mark.boardspec('sandbox')
+def test_log_dropped(u_boot_console):
+    """Test dropped 'log' message when debug_uart is activated"""
+
+    cons = u_boot_console
+    cons.restart_uboot()
+    output = cons.get_spawn_output().replace('\r', '')
+    assert 'sandbox: starting...' in output
+    assert (not 'debug: main' in output)
-- 
2.17.1