diff options
Diffstat (limited to 'zephyr/test/drivers/default/src/console.c')
| -rw-r--r-- | zephyr/test/drivers/default/src/console.c | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/zephyr/test/drivers/default/src/console.c b/zephyr/test/drivers/default/src/console.c new file mode 100644 index 0000000000..c74fd3ea1c --- /dev/null +++ b/zephyr/test/drivers/default/src/console.c @@ -0,0 +1,88 @@ +/* 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); |