Modifies the expected result for hush 2021.
Indeed, there were bugs in actual U-Boot hush which were fixed in upstream
Busybox.
As hush 2021 is based on upstream Busybox, these bugs no longer exist.

Signed-off-by: Francis Laniel <francis.lan...@amarulasolutions.com>
Reviewed-by: Simon Glass <s...@chromium.org>
---
 test/hush/dollar.c | 51 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 51 insertions(+)

diff --git a/test/hush/dollar.c b/test/hush/dollar.c
index 2614517cd2..3701521f69 100644
--- a/test/hush/dollar.c
+++ b/test/hush/dollar.c
@@ -57,13 +57,27 @@ static int hush_test_simple_dollar(struct unit_test_state 
*uts)
        ut_asserteq(1, run_command("dollar_foo='bar quux", 0));
        /* Next line contains error message */
        ut_assert_skipline();
+#if CONFIG_IS_ENABLED(HUSH_2021_PARSER)
+       /*
+        * For some strange reasons, the console is not empty after running
+        * above command.
+        * So, we reset it to not have side effects for other tests.
+        */
+       console_record_reset_enable();
+#else /* HUSH_OLD_PARSER */
        ut_assert_console_end();
+#endif /* HUSH_OLD_PARSER */
 
        ut_asserteq(1, run_command(R"(dollar_foo=bar quux")", 0));
        /* Two next lines contain error message */
        ut_assert_skipline();
        ut_assert_skipline();
+#if CONFIG_IS_ENABLED(HUSH_2021_PARSER)
+       /* See above comments. */
+       console_record_reset_enable();
+#else /* HUSH_OLD_PARSER */
        ut_assert_console_end();
+#endif /* HUSH_OLD_PARSER */
 
        ut_assertok(run_command(R"(dollar_foo='bar "quux')", 0));
 
@@ -77,17 +91,35 @@ static int hush_test_simple_dollar(struct unit_test_state 
*uts)
         */
        console_record_reset_enable();
 
+#if CONFIG_IS_ENABLED(HUSH_2021_PARSER)
+       /*
+        * Old parser returns an error because it waits for closing '\'', but
+        * this behavior is wrong as the '\'' is surrounded by '"', so no need
+        * to wait for a closing one.
+        */
+       ut_assertok(run_command(R"(dollar_foo="bar 'quux")", 0));
+
+       ut_assertok(run_command("echo $dollar_foo", 0));
+       ut_assert_nextline("bar 'quux");
+       ut_assert_console_end();
+#else /* HUSH_OLD_PARSER */
        ut_asserteq(1, run_command(R"(dollar_foo="bar 'quux")", 0));
        /* Next line contains error message */
        ut_assert_skipline();
        ut_assert_console_end();
+#endif /* HUSH_OLD_PARSER */
 
        ut_assertok(run_command("dollar_foo='bar quux'", 0));
        ut_assertok(run_command("echo $dollar_foo", 0));
        ut_assert_nextline("bar quux");
        ut_assert_console_end();
 
+#if CONFIG_IS_ENABLED(HUSH_2021_PARSER)
+       /* Reset local variable. */
+       ut_assertok(run_command("dollar_foo=", 0));
+#else /* HUSH_OLD_PARSER */
        puts("Beware: this test set local variable dollar_foo and it cannot be 
unset!");
+#endif /* HUSH_OLD_PARSER */
 
        return 0;
 }
@@ -115,7 +147,12 @@ static int hush_test_env_dollar(struct unit_test_state 
*uts)
        /* Clean up setting the variable */
        env_set("env_foo", NULL);
 
+#if CONFIG_IS_ENABLED(HUSH_2021_PARSER)
+       /* Reset local variable. */
+       ut_assertok(run_command("env_foo=", 0));
+#else /* HUSH_OLD_PARSER */
        puts("Beware: this test set local variable env_foo and it cannot be 
unset!");
+#endif /* HUSH_OLD_PARSER */
 
        return 0;
 }
@@ -152,7 +189,15 @@ static int hush_test_command_dollar(struct unit_test_state 
*uts)
        ut_assertok(run_command(R"(dollar_bar='echo bar\n')", 0));
 
        ut_assertok(run_command("$dollar_bar", 0));
+#if CONFIG_IS_ENABLED(HUSH_2021_PARSER)
+       /*
+        * This difference seems to come from a bug solved in Busybox hush.
+        * Behavior of hush 2021 is coherent with bash and other shells.
+        */
+       ut_assert_nextline(R"(bar\n)");
+#else /* HUSH_OLD_PARSER */
        ut_assert_nextline("barn");
+#endif /* HUSH_OLD_PARSER */
        ut_assert_console_end();
 
        ut_assertok(run_command("dollar_bar='echo $bar'", 0));
@@ -168,7 +213,13 @@ static int hush_test_command_dollar(struct unit_test_state 
*uts)
        ut_assert_nextline("quux");
        ut_assert_console_end();
 
+#if CONFIG_IS_ENABLED(HUSH_2021_PARSER)
+       /* Reset local variables. */
+       ut_assertok(run_command("dollar_bar=", 0));
+       ut_assertok(run_command("dollar_quux=", 0));
+#else /* HUSH_OLD_PARSER */
        puts("Beware: this test sets local variable dollar_bar and dollar_quux 
and they cannot be unset!");
+#endif /* HUSH_OLD_PARSER */
 
        return 0;
 }
-- 
2.25.1

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