test: unit test for pr_err(), pr_cont()

Provide a unit test for printing via pr_err() and pr_cont().

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Reviewed-by: Simon Glass <sjg@chromium.org>

diff --git a/test/log/Makefile b/test/log/Makefile
index 88bc573..afdafa5 100644 (file)
--- a/test/log/Makefile
+++ b/test/log/Makefile
@@ -8,6 +8,7 @@ obj-$(CONFIG_CMD_LOG) += log_filter.o
 ifdef CONFIG_UT_LOG
 
 obj-y += test-main.o
+obj-y += pr_cont_test.o
 
 ifdef CONFIG_SANDBOX
 obj-$(CONFIG_LOG_SYSLOG) += syslog_test.o

diff --git a/test/log/pr_cont_test.c b/test/log/pr_cont_test.c
new file mode 100644 (file)
index 0000000..236eff4
--- /dev/null
+++ b/test/log/pr_cont_test.c
@@ -0,0 +1,45 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (c) 2021, Heinrich Schuchardt <xypron.glpk@gmx.de>
+ *
+ * Test continuation of log messages using pr_cont().
+ */
+
+#include <common.h>
+#include <console.h>
+#include <test/log.h>
+#include <test/test.h>
+#include <test/suites.h>
+#include <test/ut.h>
+#include <linux/printk.h>
+
+#define BUFFSIZE 64
+
+#undef CONFIG_LOGLEVEL
+#define CONFIG_LOGLEVEL 4
+
+DECLARE_GLOBAL_DATA_PTR;
+
+static int log_test_pr_cont(struct unit_test_state *uts)
+{
+       int log_fmt;
+       int log_level;
+
+       log_fmt = gd->log_fmt;
+       log_level = gd->default_log_level;
+
+       /* Write two messages, the second continuing the first */
+       gd->log_fmt = BIT(LOGF_MSG);
+       gd->default_log_level = LOGL_INFO;
+       console_record_reset_enable();
+       pr_err("ea%d ", 1);
+       pr_cont("cc%d\n", 2);
+       gd->default_log_level = log_level;
+       gd->log_fmt = log_fmt;
+       gd->flags &= ~GD_FLG_RECORD;
+       ut_assertok(ut_check_console_line(uts, "ea1 cc2"));
+       ut_assertok(ut_check_console_end(uts));
+
+       return 0;
+}
+LOG_TEST(log_test_pr_cont);