test: log: add test for dropped messages

Add a new test to check the dropped messages when LOG is not ready
with log_drop_count and the result of _log().

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
Reviewed-by: Simon Glass <sjg@chromium.org>

diff --git a/test/log/log_test.c b/test/log/log_test.c
index 1587475..6bafc1e 100644 (file)
--- a/test/log/log_test.c
+++ b/test/log/log_test.c
@@ -15,30 +15,38 @@
 DECLARE_GLOBAL_DATA_PTR;
 
 /* emit some sample log records in different ways, for testing */
-static int do_log_run(int cat, const char *file)
+static int do_log_run(struct unit_test_state *uts, int cat, const char *file)
 {
        int i;
+       int ret, expected_ret;
+
+       if (gd->flags & GD_FLG_LOG_READY)
+               expected_ret = 0;
+       else
+               expected_ret = -ENOSYS;
 
        gd->log_fmt = LOGF_TEST;
        debug("debug\n");
        for (i = LOGL_FIRST; i < LOGL_COUNT; i++) {
                log(cat, i, "log %d\n", i);
-               _log(log_uc_cat(cat), i, file, 100 + i, "func", "_log %d\n",
-                    i);
+               ret = _log(log_uc_cat(cat), i, file, 100 + i,
+                          "func", "_log %d\n", i);
+               ut_asserteq(ret, expected_ret);
        }
        /* test with LOGL_COUNT flag */
        for (i = LOGL_FIRST; i < LOGL_COUNT; i++) {
-               _log(log_uc_cat(cat), i | LOGL_FORCE_DEBUG, file, 100 + i,
-                    "func", "_log force %d\n", i);
+               ret = _log(log_uc_cat(cat), i | LOGL_FORCE_DEBUG, file, 100 + i,
+                          "func", "_log force %d\n", i);
+               ut_asserteq(ret, expected_ret);
        }
 
        gd->log_fmt = log_get_default_format();
        return 0;
 }
 
-#define log_run_cat(cat) do_log_run(cat, "file")
-#define log_run_file(file) do_log_run(UCLASS_SPI, file)
-#define log_run() do_log_run(UCLASS_SPI, "file")
+#define log_run_cat(cat) do_log_run(uts, cat, "file")
+#define log_run_file(file) do_log_run(uts, UCLASS_SPI, file)
+#define log_run() do_log_run(uts, UCLASS_SPI, "file")
 
 #define EXPECT_LOG BIT(0)
 #define EXPECT_DIRECT BIT(1)
@@ -393,3 +401,22 @@ int log_test_min(struct unit_test_state *uts)
        return 0;
 }
 LOG_TEST_FLAGS(log_test_min, UT_TESTF_CONSOLE_REC);
+
+/* Check dropped traces */
+int log_test_dropped(struct unit_test_state *uts)
+{
+       /* force LOG not ready */
+       gd->flags &= ~(GD_FLG_LOG_READY);
+       gd->log_drop_count = 0;
+
+       ut_assertok(console_record_reset_enable());
+       log_run();
+
+       ut_asserteq(gd->log_drop_count, 3 * (LOGL_COUNT - LOGL_FIRST - 1));
+
+       gd->flags |= GD_FLG_LOG_READY;
+       gd->log_drop_count = 0;
+
+       return 0;
+}
+LOG_TEST_FLAGS(log_test_dropped, UT_TESTF_CONSOLE_REC);