mirror of
https://gitea.wildfiregames.com/0ad/0ad
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233 lines
6.4 KiB
C++
233 lines
6.4 KiB
C++
/* Copyright (C) 2009 Wildfire Games.
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* This file is part of 0 A.D.
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*
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* 0 A.D. 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 2 of the License, or
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* (at your option) any later version.
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*
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* 0 A.D. 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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*
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* You should have received a copy of the GNU General Public License
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* along with 0 A.D. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "lib/self_test.h"
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#include "lib/lib.h"
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#include "lib/sysdep/sysdep.h"
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#include "lib/posix/posix.h" // fminf etc.
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#if OS_LINUX
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# include "mocks/dlfcn.h"
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# include "mocks/unistd.h"
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#endif
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#include <cxxtest/PsTestWrapper.h>
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class TestSysdep : public CxxTest::TestSuite
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{
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public:
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void test_float_int()
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{
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TS_ASSERT_EQUALS(cpu_i32FromFloat(0.99999f), 0);
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TS_ASSERT_EQUALS(cpu_i32FromFloat(1.0f), 1);
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TS_ASSERT_EQUALS(cpu_i32FromFloat(1.01f), 1);
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TS_ASSERT_EQUALS(cpu_i32FromFloat(5.6f), 5);
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TS_ASSERT_EQUALS(cpu_i32FromDouble(0.99999), 0);
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TS_ASSERT_EQUALS(cpu_i32FromDouble(1.0), 1);
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TS_ASSERT_EQUALS(cpu_i32FromDouble(1.01), 1);
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TS_ASSERT_EQUALS(cpu_i32FromDouble(5.6), 5);
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TS_ASSERT_EQUALS(cpu_i64FromDouble(0.99999), 0LL);
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TS_ASSERT_EQUALS(cpu_i64FromDouble(1.0), 1LL);
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TS_ASSERT_EQUALS(cpu_i64FromDouble(1.01), 1LL);
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TS_ASSERT_EQUALS(cpu_i64FromDouble(5.6), 5LL);
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}
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void test_round()
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{
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TS_ASSERT_EQUALS(rintf(0.99999f), 1.0f);
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TS_ASSERT_EQUALS(rintf(1.0f), 1.0f);
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TS_ASSERT_EQUALS(rintf(1.01f), 1.0f);
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TS_ASSERT_EQUALS(rintf(5.6f), 6.0f);
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TS_ASSERT_EQUALS(rint(0.99999), 1.0);
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TS_ASSERT_EQUALS(rint(1.0), 1.0);
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TS_ASSERT_EQUALS(rint(1.01), 1.0);
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TS_ASSERT_EQUALS(rint(5.6), 6.0);
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}
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void test_min_max()
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{
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TS_ASSERT_EQUALS(fminf(0.0f, 10000.0f), 0.0f);
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TS_ASSERT_EQUALS(fminf(100.0f, 10000.0f), 100.0f);
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TS_ASSERT_EQUALS(fminf(-1.0f, 2.0f), -1.0f);
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TS_ASSERT_EQUALS(fminf(-2.0f, 1.0f), -2.0f);
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TS_ASSERT_EQUALS(fminf(0.001f, 0.00001f), 0.00001f);
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TS_ASSERT_EQUALS(fmaxf(0.0f, 10000.0f), 10000.0f);
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TS_ASSERT_EQUALS(fmaxf(100.0f, 10000.0f), 10000.0f);
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TS_ASSERT_EQUALS(fmaxf(-1.0f, 2.0f), 2.0f);
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TS_ASSERT_EQUALS(fmaxf(-2.0f, 1.0f), 1.0f);
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TS_ASSERT_EQUALS(fmaxf(0.001f, 0.00001f), 0.001f);
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}
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void test_sys_get_executable_name()
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{
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char path[PATH_MAX] = "";
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// Try it first with the real executable (i.e. the
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// one that's running this test code)
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TS_ASSERT_EQUALS(sys_get_executable_name(path, PATH_MAX), INFO::OK);
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// Check it's absolute
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TSM_ASSERT(std::string("Path: ")+path, path_is_absolute(path));
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// Check the file exists
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struct stat s;
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TSM_ASSERT_EQUALS(std::string("Path: ")+path, stat(path, &s), 0);
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// Do some platform-specific tests, based on the
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// implementations of sys_get_executable_name:
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#if OS_LINUX
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// Since the implementation uses realpath, the tested files need to
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// really exist. So set up a directory tree for testing:
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const char* tmpdir = getenv("TMPDIR");
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if (! tmpdir) tmpdir = P_tmpdir;
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char root[PATH_MAX];
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sprintf_s(root, PATH_MAX, "%s/pyrogenesis-test-sysdep-XXXXXX", tmpdir);
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TS_ASSERT(mkdtemp(root));
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std::string rootstr(root);
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const char* dirs[] = {
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"/example",
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"/example/a",
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"/example/a/b",
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"/example/a/b/c",
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"/example/a/b/d",
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"/example/a/e",
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"/example/a/f"
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};
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const char* files[] = {
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"/example/executable",
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"/example/a/f/executable",
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};
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for (size_t i = 0; i < ARRAY_SIZE(dirs); ++i)
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{
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std::string name = rootstr + dirs[i];
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TS_ASSERT_EQUALS(mkdir(name.c_str(), 0700), 0);
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}
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for (size_t i = 0; i < ARRAY_SIZE(files); ++i)
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{
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std::string name = rootstr + files[i];
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FILE* f = fopen(name.c_str(), "w");
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TS_ASSERT(f);
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fclose(f);
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}
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// Try with absolute paths
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{
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Mock_dladdr d(rootstr+"/example/executable");
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TS_ASSERT_EQUALS(sys_get_executable_name(path, PATH_MAX), INFO::OK);
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TS_ASSERT_STR_EQUALS(path, rootstr+"/example/executable");
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}
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{
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Mock_dladdr d(rootstr+"/example/./a/b/../e/../../executable");
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TS_ASSERT_EQUALS(sys_get_executable_name(path, PATH_MAX), INFO::OK);
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TS_ASSERT_STR_EQUALS(path, rootstr+"/example/executable");
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}
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// Try with relative paths
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{
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Mock_dladdr d("./executable");
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Mock_getcwd m(rootstr+"/example");
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TS_ASSERT_EQUALS(sys_get_executable_name(path, PATH_MAX), INFO::OK);
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TS_ASSERT_STR_EQUALS(path, rootstr+"/example/executable");
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}
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{
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Mock_dladdr d("./executable");
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Mock_getcwd m(rootstr+"/example/");
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TS_ASSERT_EQUALS(sys_get_executable_name(path, PATH_MAX), INFO::OK);
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TS_ASSERT_STR_EQUALS(path, rootstr+"/example/executable");
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}
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{
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Mock_dladdr d("../d/../../f/executable");
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Mock_getcwd m(rootstr+"/example/a/b/c");
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TS_ASSERT_EQUALS(sys_get_executable_name(path, PATH_MAX), INFO::OK);
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TS_ASSERT_STR_EQUALS(path, rootstr+"/example/a/f/executable");
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}
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// Try with pathless names
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{
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Mock_dladdr d("executable");
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TS_ASSERT_EQUALS(sys_get_executable_name(path, PATH_MAX), ERR::NO_SYS);
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}
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// Clean up the temporary files
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for (size_t i = 0; i < ARRAY_SIZE(files); ++i)
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{
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std::string name = rootstr + files[i];
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TS_ASSERT_EQUALS(unlink(name.c_str()), 0);
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}
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for (ssize_t i = ARRAY_SIZE(dirs)-1; i >= 0; --i) // reverse order
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{
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std::string name(root);
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name += dirs[i];
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TS_ASSERT_EQUALS(rmdir(name.c_str()), 0);
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}
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TS_ASSERT_EQUALS(rmdir(root), 0);
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#endif // OS_LINUX
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}
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// Mock classes for test_sys_get_executable_name
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#if OS_LINUX
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class Mock_dladdr : public T::Base_dladdr
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{
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public:
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Mock_dladdr(const std::string& fname) : fname_(fname) { }
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int dladdr(void *UNUSED(addr), Dl_info *info) {
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info->dli_fname = fname_.c_str();
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return 1;
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}
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private:
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std::string fname_;
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};
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class Mock_getcwd : public T::Base_getcwd
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{
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public:
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Mock_getcwd(const std::string& buf) : buf_(buf) { }
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char* getcwd(char* buf, size_t size) {
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strncpy_s(buf, size, buf_.c_str(), buf_.length());
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return buf;
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}
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private:
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std::string buf_;
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};
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#endif
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private:
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bool path_is_absolute(const char* path)
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{
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// UNIX-style absolute paths
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if (path[0] == '/')
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return true;
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// Windows UNC absolute paths
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if (path[0] == '\\' && path[1] == '\\')
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return true;
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// Windows drive-letter absolute paths
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if (isalpha(path[0]) && path[1] == ':' && (path[2] == '/' || path[2] == '\\'))
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return true;
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return false;
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}
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};
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