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>
This commit is contained in:
Heinrich Schuchardt 2021-01-04 08:02:56 +01:00 committed by Tom Rini
parent 2496796587
commit c548a3886e
2 changed files with 46 additions and 0 deletions

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@ -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

45
test/log/pr_cont_test.c Normal file
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@ -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);