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/* Copyright 2022 The ChromiumOS Authors
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include <zephyr/kernel.h>
#include <zephyr/ztest.h>
#include <zephyr/shell/shell_dummy.h>
#include "builtin/stdio.h"
#include "test/drivers/test_state.h"
#include "console.h"
#include "uart.h"
#include "ec_commands.h"
ZTEST_USER(console, printf_overflow)
{
char buffer[10];
zassert_equal(-EC_ERROR_OVERFLOW,
crec_snprintf(buffer, 4, "1234567890"), NULL);
zassert_equal(0, strcmp(buffer, "123"), "got '%s'", buffer);
zassert_equal(-EC_ERROR_OVERFLOW,
crec_snprintf(buffer, 4, "%%%%%%%%%%"), NULL);
zassert_equal(0, strcmp(buffer, "%%%"), "got '%s'", buffer);
}
/* This test is identical to test_buf_notify_null in
* test/console_edit.c. Please keep them in sync to verify that
* uart_console_read_buffer works identically in legacy EC and zephyr.
*/
ZTEST_USER(console, buf_notify_null)
{
char buffer[100];
uint16_t write_count;
size_t consumed_count;
/* Flush the console buffer before we start. */
zassert_ok(uart_console_read_buffer_init(), NULL);
/* Write a nul char to the buffer. */
consumed_count = console_buf_notify_chars("ab\0c", 4);
/* Check if all bytes were consumed by console buffer */
zassert_equal(consumed_count, 4, "got %d", consumed_count);
/* Check if the nul is present in the buffer. */
zassert_ok(uart_console_read_buffer_init(), NULL);
zassert_ok(uart_console_read_buffer(CONSOLE_READ_RECENT, buffer,
sizeof(buffer), &write_count),
NULL);
zassert_equal(0, strncmp(buffer, "abc", 4), "got '%s'", buffer);
zassert_equal(write_count, 4, "got %d", write_count);
}
static const char *large_string =
"This is a very long string, it will cause a buffer flush at "
"some point while printing to the shell. Long long text. Blah "
"blah. Long long text. Blah blah. Long long text. Blah blah.";
ZTEST_USER(console, shell_fprintf_full)
{
const struct shell *shell_zephyr = get_ec_shell();
const char *outbuffer;
size_t buffer_size;
zassert_true(strlen(large_string) >=
shell_zephyr->fprintf_ctx->buffer_size,
"large_string is too short, fix test.");
shell_backend_dummy_clear_output(shell_zephyr);
shell_fprintf(shell_zephyr, SHELL_NORMAL, "%s", large_string);
outbuffer = shell_backend_dummy_get_output(shell_zephyr, &buffer_size);
zassert_true(strncmp(outbuffer, large_string, strlen(large_string)) ==
0,
"Invalid console output %s", outbuffer);
}
ZTEST_USER(console, cprint_too_big)
{
zassert_true(strlen(large_string) >= CONFIG_SHELL_PRINTF_BUFF_SIZE,
"buffer is too short, fix test.");
zassert_equal(cprintf(CC_COMMAND, "%s", large_string),
-EC_ERROR_OVERFLOW, NULL);
}
ZTEST_SUITE(console, drivers_predicate_post_main, NULL, NULL, NULL, NULL);
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