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/* Unit tests for the cli-utils.c file.
Copyright (C) 2018-2019 Free Software Foundation, Inc.
This file is part of GDB.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include "defs.h"
#include "cli/cli-utils.h"
#include "common/selftest.h"
namespace selftests {
namespace cli_utils {
static void
test_number_or_range_parser ()
{
/* Test parsing a simple integer. */
{
number_or_range_parser one ("1");
SELF_CHECK (!one.finished ());
SELF_CHECK (one.get_number () == 1);
SELF_CHECK (one.finished ());
SELF_CHECK (strcmp (one.cur_tok (), "") == 0);
}
/* Test parsing an integer followed by a non integer. */
{
number_or_range_parser one_after ("1 after");
SELF_CHECK (!one_after.finished ());
SELF_CHECK (one_after.get_number () == 1);
SELF_CHECK (one_after.finished ());
SELF_CHECK (strcmp (one_after.cur_tok (), "after") == 0);
}
/* Test parsing a range. */
{
number_or_range_parser one_three ("1-3");
for (int i = 1; i < 4; i++)
{
SELF_CHECK (!one_three.finished ());
SELF_CHECK (one_three.get_number () == i);
}
SELF_CHECK (one_three.finished ());
SELF_CHECK (strcmp (one_three.cur_tok (), "") == 0);
}
/* Test parsing a range followed by a non-integer. */
{
number_or_range_parser one_three_after ("1-3 after");
for (int i = 1; i < 4; i++)
{
SELF_CHECK (!one_three_after.finished ());
SELF_CHECK (one_three_after.get_number () == i);
}
SELF_CHECK (one_three_after.finished ());
SELF_CHECK (strcmp (one_three_after.cur_tok (), "after") == 0);
}
/* Test a negative integer gives an error. */
{
number_or_range_parser minus_one ("-1");
SELF_CHECK (!minus_one.finished ());
TRY
{
minus_one.get_number ();
SELF_CHECK (false);
}
CATCH (ex, RETURN_MASK_ERROR)
{
SELF_CHECK (ex.reason == RETURN_ERROR);
SELF_CHECK (ex.error == GENERIC_ERROR);
SELF_CHECK (strcmp (ex.message, "negative value") == 0);
SELF_CHECK (strcmp (minus_one.cur_tok (), "-1") == 0);
}
END_CATCH;
}
/* Test that a - followed by not a number does not give an error. */
{
number_or_range_parser nan ("-whatever");
SELF_CHECK (nan.finished ());
SELF_CHECK (strcmp (nan.cur_tok (), "-whatever") == 0);
}
}
static void
test_parse_flags ()
{
const char *flags = "abc";
const char *non_flags_args = "non flags args";
/* Extract twice the same flag, separated by one space. */
{
const char *t1 = "-a -a non flags args";
SELF_CHECK (parse_flags (&t1, flags) == 1);
SELF_CHECK (parse_flags (&t1, flags) == 1);
SELF_CHECK (strcmp (t1, non_flags_args) == 0);
}
/* Extract some flags, separated by one or more spaces. */
{
const char *t2 = "-c -b -c -b -c non flags args";
SELF_CHECK (parse_flags (&t2, flags) == 3);
SELF_CHECK (parse_flags (&t2, flags) == 2);
SELF_CHECK (parse_flags (&t2, flags) == 3);
SELF_CHECK (parse_flags (&t2, flags) == 2);
SELF_CHECK (parse_flags (&t2, flags) == 3);
SELF_CHECK (strcmp (t2, non_flags_args) == 0);
}
/* Check behaviour where there is no flag to extract. */
{
const char *t3 = non_flags_args;
SELF_CHECK (parse_flags (&t3, flags) == 0);
SELF_CHECK (strcmp (t3, non_flags_args) == 0);
}
/* Extract 2 known flags in front of unknown flags. */
{
const char *t4 = "-c -b -x -y -z -c";
SELF_CHECK (parse_flags (&t4, flags) == 3);
SELF_CHECK (parse_flags (&t4, flags) == 2);
SELF_CHECK (strcmp (t4, "-x -y -z -c") == 0);
SELF_CHECK (parse_flags (&t4, flags) == 0);
SELF_CHECK (strcmp (t4, "-x -y -z -c") == 0);
}
/* Check combined flags are not recognised. */
{
const char *t5 = "-c -cb -c";
SELF_CHECK (parse_flags (&t5, flags) == 3);
SELF_CHECK (parse_flags (&t5, flags) == 0);
SELF_CHECK (strcmp (t5, "-cb -c") == 0);
}
}
static void
test_parse_flags_qcs ()
{
const char *non_flags_args = "non flags args";
/* Test parsing of 2 flags out of the known 3. */
{
const char *t1 = "-q -s non flags args";
qcs_flags flags;
SELF_CHECK (parse_flags_qcs ("test_parse_flags_qcs.t1.q",
&t1,
&flags) == 1);
SELF_CHECK (flags.quiet && !flags.cont && !flags.silent);
SELF_CHECK (parse_flags_qcs ("test_parse_flags_qcs.t1.s",
&t1,
&flags) == 1);
SELF_CHECK (flags.quiet && !flags.cont && flags.silent);
SELF_CHECK (strcmp (t1, non_flags_args) == 0);
}
/* Test parsing when there is no flag. */
{
const char *t2 = "non flags args";
qcs_flags flags;
SELF_CHECK (parse_flags_qcs ("test_parse_flags_qcs.t2",
&t2,
&flags) == 0);
SELF_CHECK (!flags.quiet && !flags.cont && !flags.silent);
SELF_CHECK (strcmp (t2, non_flags_args) == 0);
}
/* Test parsing stops at a negative integer. */
{
const char *t3 = "-123 non flags args";
const char *orig_t3 = t3;
qcs_flags flags;
SELF_CHECK (parse_flags_qcs ("test_parse_flags_qcs.t3",
&t3,
&flags) == 0);
SELF_CHECK (!flags.quiet && !flags.cont && !flags.silent);
SELF_CHECK (strcmp (t3, orig_t3) == 0);
}
/* Test mutual exclusion between -c and -s. */
{
const char *t4 = "-c -s non flags args";
qcs_flags flags;
TRY
{
SELF_CHECK (parse_flags_qcs ("test_parse_flags_qcs.t4.cs",
&t4,
&flags) == 1);
(void) parse_flags_qcs ("test_parse_flags_qcs.t4.cs",
&t4,
&flags);
SELF_CHECK (false);
}
CATCH (ex, RETURN_MASK_ERROR)
{
SELF_CHECK (ex.reason == RETURN_ERROR);
SELF_CHECK (ex.error == GENERIC_ERROR);
SELF_CHECK
(strcmp (ex.message,
"test_parse_flags_qcs.t4.cs: "
"-c and -s are mutually exclusive") == 0);
}
END_CATCH;
}
}
static void
test_cli_utils ()
{
selftests::cli_utils::test_number_or_range_parser ();
selftests::cli_utils::test_parse_flags ();
selftests::cli_utils::test_parse_flags_qcs ();
}
}
}
void
_initialize_cli_utils_selftests ()
{
selftests::register_test ("cli_utils",
selftests::cli_utils::test_cli_utils);
}
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