u-boot/test/cmd/exit.c
Marek Vasut f08dcd9fd0 test: cmd: exit: Add unit test for exit and partly run commands
Add a test which validates that exit from environment script works as
expected, including return value propagation and clipping to positive
integers.

Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Marek Vasut <marex@denx.de>
2023-01-11 15:02:24 -05:00

135 lines
4.6 KiB
C

// SPDX-License-Identifier: GPL-2.0+
/*
* Tests for exit command
*
* Copyright 2022 Marek Vasut <marex@denx.de>
*/
#include <common.h>
#include <console.h>
#include <mapmem.h>
#include <asm/global_data.h>
#include <test/suites.h>
#include <test/ut.h>
DECLARE_GLOBAL_DATA_PTR;
/* Declare a new exit test */
#define EXIT_TEST(_name, _flags) UNIT_TEST(_name, _flags, exit_test)
/* Test 'exit addr' getting/setting address */
static int cmd_exit_test(struct unit_test_state *uts)
{
int i;
/*
* Test 'exit' with parameter -3, -2, -1, 0, 1, 2, 3 . Use all those
* parameters to cover also the special return value -2 that is used
* in HUSH to detect exit command.
*
* Always test whether 'exit' command:
* - exits out of the 'run' command
* - return value is propagated out of the 'run' command
* - return value can be tested on outside of 'run' command
* - return value can be printed outside of 'run' command
*/
for (i = -3; i <= 3; i++) {
ut_assertok(console_record_reset_enable());
ut_assertok(run_commandf("setenv foo 'echo bar ; exit %d ; echo baz' ; run foo ; echo $?", i));
ut_assert_nextline("bar");
ut_assert_nextline("%d", i > 0 ? i : 0);
ut_assertok(ut_check_console_end(uts));
ut_assertok(console_record_reset_enable());
ut_assertok(run_commandf("setenv foo 'echo bar ; exit %d ; echo baz' ; run foo && echo quux ; echo $?", i));
ut_assert_nextline("bar");
if (i <= 0)
ut_assert_nextline("quux");
ut_assert_nextline("%d", i > 0 ? i : 0);
ut_assertok(ut_check_console_end(uts));
ut_assertok(console_record_reset_enable());
ut_assertok(run_commandf("setenv foo 'echo bar ; exit %d ; echo baz' ; run foo || echo quux ; echo $?", i));
ut_assert_nextline("bar");
if (i > 0)
ut_assert_nextline("quux");
/* Either 'exit' returns 0, or 'echo quux' returns 0 */
ut_assert_nextline("0");
ut_assertok(ut_check_console_end(uts));
}
/* Validate that 'exit' behaves the same way as 'exit 0' */
ut_assertok(console_record_reset_enable());
ut_assertok(run_commandf("setenv foo 'echo bar ; exit ; echo baz' ; run foo ; echo $?", i));
ut_assert_nextline("bar");
ut_assert_nextline("0");
ut_assertok(ut_check_console_end(uts));
ut_assertok(console_record_reset_enable());
ut_assertok(run_commandf("setenv foo 'echo bar ; exit ; echo baz' ; run foo && echo quux ; echo $?", i));
ut_assert_nextline("bar");
ut_assert_nextline("quux");
ut_assert_nextline("0");
ut_assertok(ut_check_console_end(uts));
ut_assertok(console_record_reset_enable());
ut_assertok(run_commandf("setenv foo 'echo bar ; exit ; echo baz' ; run foo || echo quux ; echo $?", i));
ut_assert_nextline("bar");
/* Either 'exit' returns 0, or 'echo quux' returns 0 */
ut_assert_nextline("0");
ut_assertok(ut_check_console_end(uts));
/* Validate that return value still propagates from 'run' command */
ut_assertok(console_record_reset_enable());
ut_assertok(run_commandf("setenv foo 'echo bar ; true' ; run foo ; echo $?", i));
ut_assert_nextline("bar");
ut_assert_nextline("0");
ut_assertok(ut_check_console_end(uts));
ut_assertok(console_record_reset_enable());
ut_assertok(run_commandf("setenv foo 'echo bar ; true' ; run foo && echo quux ; echo $?", i));
ut_assert_nextline("bar");
ut_assert_nextline("quux");
ut_assert_nextline("0");
ut_assertok(ut_check_console_end(uts));
ut_assertok(console_record_reset_enable());
ut_assertok(run_commandf("setenv foo 'echo bar ; true' ; run foo || echo quux ; echo $?", i));
ut_assert_nextline("bar");
/* The 'true' returns 0 */
ut_assert_nextline("0");
ut_assertok(ut_check_console_end(uts));
ut_assertok(console_record_reset_enable());
ut_assertok(run_commandf("setenv foo 'echo bar ; false' ; run foo ; echo $?", i));
ut_assert_nextline("bar");
ut_assert_nextline("1");
ut_assertok(ut_check_console_end(uts));
ut_assertok(console_record_reset_enable());
ut_assertok(run_commandf("setenv foo 'echo bar ; false' ; run foo && echo quux ; echo $?", i));
ut_assert_nextline("bar");
ut_assert_nextline("1");
ut_assertok(ut_check_console_end(uts));
ut_assertok(console_record_reset_enable());
ut_assertok(run_commandf("setenv foo 'echo bar ; false' ; run foo || echo quux ; echo $?", i));
ut_assert_nextline("bar");
ut_assert_nextline("quux");
/* The 'echo quux' returns 0 */
ut_assert_nextline("0");
ut_assertok(ut_check_console_end(uts));
return 0;
}
EXIT_TEST(cmd_exit_test, UT_TESTF_CONSOLE_REC);
int do_ut_exit(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
{
struct unit_test *tests = UNIT_TEST_SUITE_START(exit_test);
const int n_ents = UNIT_TEST_SUITE_COUNT(exit_test);
return cmd_ut_category("cmd_exit", "exit_test_", tests, n_ents,
argc, argv);
}