binutils-gdb/gdb/unittests/lookup_name_info-selftests.c

112 lines
3.9 KiB
C

/* Self tests for lookup_name_info for GDB, the GNU debugger.
Copyright (C) 2017-2018 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 "selftest.h"
#include "symtab.h"
namespace selftests {
namespace lookup_name {
/* Check that removing parameter info out of NAME produces EXPECTED.
COMPLETION_MODE indicates whether we're testing normal and
completion mode. FILE and LINE are used to provide better test
location information in case the check fails. */
static void
check_make_paramless (const char *file, int line,
enum language lang,
const char *name, const char *expected,
bool completion_mode)
{
lookup_name_info lookup_name (name, symbol_name_match_type::FULL,
completion_mode, true /* ignore_parameters */);
const std::string &result = lookup_name.language_lookup_name (lang);
if (result != expected)
{
error (_("%s:%d: make-paramless self-test failed: (completion=%d, lang=%d) "
"\"%s\" -> \"%s\", expected \"%s\""),
file, line, completion_mode, lang, name,
result.c_str (), expected);
}
}
static void
run_tests ()
{
/* Helper for CHECK and CHECK_INCOMPL. */
#define CHECK_1(INCOMPLETE, LANG, NAME, EXPECTED) \
do \
{ \
check_make_paramless (__FILE__, __LINE__, \
LANG, NAME, \
(INCOMPLETE) ? "" : (EXPECTED), false); \
check_make_paramless (__FILE__, __LINE__, \
LANG, NAME, EXPECTED, true); \
} \
while (0)
/* Check that removing parameter info out of NAME produces EXPECTED.
Checks both normal and completion modes. */
#define CHECK(LANG, NAME, EXPECTED) \
CHECK_1(false, LANG, NAME, EXPECTED)
/* Similar, but used when NAME is incomplete -- i.e., NAME has
unbalanced parentheses. In this case, looking for the exact name
should fail / return empty. */
#define CHECK_INCOMPL(LANG, NAME, EXPECTED) \
CHECK_1 (true, LANG, NAME, EXPECTED)
/* None of these languages support function overloading like C++
does, so building a nameless lookup name ends up being just the
same as any other lookup name. Mainly this serves as smoke test
that C++-specific code doesn't mess up with other languages that
use some other scoping character ('.' vs '::'). */
CHECK (language_ada, "pck.ada_hello", "pck__ada_hello");
CHECK (language_go, "pck.go_hello", "pck.go_hello");
CHECK (language_fortran, "mod::func", "mod::func");
/* D does support function overloading similar to C++, but we're
missing support for stripping parameters. At least make sure the
input name is preserved unmodified. */
CHECK (language_d, "pck.d_hello", "pck.d_hello");
/* Just a few basic tests to make sure
lookup_name_info::make_paramless is well integrated with
cp_remove_params_if_any. gdb/cp-support.c has comprehensive
testing of C++ specifics. */
CHECK (language_cplus, "function()", "function");
CHECK (language_cplus, "function() const", "function");
CHECK (language_cplus, "A::B::C()", "A::B::C");
CHECK (language_cplus, "A::B::C", "A::B::C");
#undef CHECK
#undef CHECK_INCOMPL
}
}} // namespace selftests::lookup_name
void
_initialize_lookup_name_info_selftests ()
{
selftests::register_test ("lookup_name_info",
selftests::lookup_name::run_tests);
}