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