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// SPDX-License-Identifier: GPL-2.0
/*
* (C) Copyright 2021
* Francis Laniel, Amarula Solutions, francis.laniel@amarulasolutions.com
*/
#include <command.h>
#include <env_attr.h>
#include <test/hush.h>
#include <test/ut.h>
#include <asm/global_data.h>
static int hush_test_semicolon(struct unit_test_state *uts)
{
/* A; B = B truth table. */
ut_asserteq(1, run_command("false; false", 0));
ut_assertok(run_command("false; true", 0));
ut_assertok(run_command("true; true", 0));
ut_asserteq(1, run_command("true; false", 0));
return 0;
}
HUSH_TEST(hush_test_semicolon, 0);
static int hush_test_and(struct unit_test_state *uts)
{
/* A && B truth table. */
ut_asserteq(1, run_command("false && false", 0));
ut_asserteq(1, run_command("false && true", 0));
ut_assertok(run_command("true && true", 0));
ut_asserteq(1, run_command("true && false", 0));
return 0;
}
HUSH_TEST(hush_test_and, 0);
static int hush_test_or(struct unit_test_state *uts)
{
/* A || B truth table. */
ut_asserteq(1, run_command("false || false", 0));
ut_assertok(run_command("false || true", 0));
ut_assertok(run_command("true || true", 0));
ut_assertok(run_command("true || false", 0));
return 0;
}
HUSH_TEST(hush_test_or, 0);
DECLARE_GLOBAL_DATA_PTR;
static int hush_test_and_or(struct unit_test_state *uts)
{
/* A && B || C truth table. */
ut_asserteq(1, run_command("false && false || false", 0));
if (gd->flags & GD_FLG_HUSH_OLD_PARSER) {
ut_asserteq(1, run_command("false && false || true", 0));
} else if (gd->flags & GD_FLG_HUSH_MODERN_PARSER) {
/*
* This difference seems to come from a bug solved in Busybox
* hush.
*
* Indeed, the following expression can be seen like this:
* (false && false) || true
* So, (false && false) returns 1, the second false is not
* executed, and true is executed because of ||.
*/
ut_assertok(run_command("false && false || true", 0));
}
if (gd->flags & GD_FLG_HUSH_OLD_PARSER) {
ut_asserteq(1, run_command("false && true || true", 0));
} else if (gd->flags & GD_FLG_HUSH_MODERN_PARSER) {
/*
* This difference seems to come from a bug solved in Busybox
* hush.
*
* Indeed, the following expression can be seen like this:
* (false && true) || true
* So, (false && true) returns 1, the true is not executed, and
* true is executed because of ||.
*/
ut_assertok(run_command("false && true || true", 0));
}
ut_asserteq(1, run_command("false && true || false", 0));
ut_assertok(run_command("true && true || false", 0));
ut_asserteq(1, run_command("true && false || false", 0));
ut_assertok(run_command("true && false || true", 0));
ut_assertok(run_command("true && true || true", 0));
return 0;
}
HUSH_TEST(hush_test_and_or, 0);
static int hush_test_or_and(struct unit_test_state *uts)
{
/* A || B && C truth table. */
ut_asserteq(1, run_command("false || false && false", 0));
ut_asserteq(1, run_command("false || false && true", 0));
ut_assertok(run_command("false || true && true", 0));
ut_asserteq(1, run_command("false || true && false", 0));
if (gd->flags & GD_FLG_HUSH_OLD_PARSER) {
ut_assertok(run_command("true || true && false", 0));
} else if (gd->flags & GD_FLG_HUSH_MODERN_PARSER) {
/*
* This difference seems to come from a bug solved in Busybox
* hush.
*
* Indeed, the following expression can be seen like this:
* (true || true) && false
* So, (true || true) returns 0, the second true is not
* executed, and then false is executed because of &&.
*/
ut_asserteq(1, run_command("true || true && false", 0));
}
if (gd->flags & GD_FLG_HUSH_OLD_PARSER) {
ut_assertok(run_command("true || false && false", 0));
} else if (gd->flags & GD_FLG_HUSH_MODERN_PARSER) {
/*
* This difference seems to come from a bug solved in Busybox
* hush.
*
* Indeed, the following expression can be seen like this:
* (true || false) && false
* So, (true || false) returns 0, the false is not executed, and
* then false is executed because of &&.
*/
ut_asserteq(1, run_command("true || false && false", 0));
}
ut_assertok(run_command("true || false && true", 0));
ut_assertok(run_command("true || true && true", 0));
return 0;
}
HUSH_TEST(hush_test_or_and, 0);
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