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/*
* Cppcheck - A tool for static C/C++ code analysis
* Copyright (C) 2007-2026 Cppcheck team.
*
* 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 "platform.h"
#include "fixture.h"
#include "standards.h"
#include <string>
#include "xml.h"
class TestPlatform : public TestFixture {
public:
TestPlatform() : TestFixture("TestPlatform") {}
private:
void run() override {
TEST_CASE(empty);
TEST_CASE(valid_config_win32a);
TEST_CASE(valid_config_unix64);
TEST_CASE(valid_config_win32w);
TEST_CASE(valid_config_unix32);
TEST_CASE(valid_config_win64);
// TODO: test native and unspecified
TEST_CASE(valid_config_file_1);
TEST_CASE(valid_config_file_2);
TEST_CASE(valid_config_file_4);
TEST_CASE(invalid_config_file_1);
TEST_CASE(invalid_config_file_2);
TEST_CASE(empty_elements);
TEST_CASE(default_platform);
TEST_CASE(limitsDefines);
TEST_CASE(charMinMax);
TEST_CASE(no_root_node);
TEST_CASE(wrong_root_node);
}
class PlatformTest final : public Platform
{
friend class TestPlatform;
};
static bool readPlatform(PlatformTest& platform, const char* xmldata) {
tinyxml2::XMLDocument doc;
return (doc.Parse(xmldata) == tinyxml2::XML_SUCCESS) && platform.loadFromXmlDocument(&doc);
}
void empty() const {
// An empty platform file does not change values, only the type.
constexpr char xmldata[] = "<?xml version=\"1.0\"?>\n<platform/>";
PlatformTest platform;
// TODO: this should fail - platform files need to be complete
TODO_ASSERT(!readPlatform(platform, xmldata));
}
void valid_config_win32a() const {
// Verify if native Win32A platform is loaded correctly
Platform platform;
PLATFORM(platform, Platform::Type::Win32A);
ASSERT_EQUALS(Platform::Type::Win32A, platform.type);
ASSERT(platform.isWindows());
ASSERT_EQUALS(1, platform.sizeof_bool);
ASSERT_EQUALS(2, platform.sizeof_short);
ASSERT_EQUALS(4, platform.sizeof_int);
ASSERT_EQUALS(4, platform.sizeof_long);
ASSERT_EQUALS(8, platform.sizeof_long_long);
ASSERT_EQUALS(4, platform.sizeof_float);
ASSERT_EQUALS(8, platform.sizeof_double);
ASSERT_EQUALS(8, platform.sizeof_long_double);
ASSERT_EQUALS(2, platform.sizeof_wchar_t);
ASSERT_EQUALS(4, platform.sizeof_size_t);
ASSERT_EQUALS(4, platform.sizeof_pointer);
ASSERT_EQUALS('s', platform.defaultSign);
ASSERT_EQUALS(8, platform.char_bit);
ASSERT_EQUALS(16, platform.short_bit);
ASSERT_EQUALS(32, platform.int_bit);
ASSERT_EQUALS(32, platform.long_bit);
ASSERT_EQUALS(64, platform.long_long_bit);
}
void valid_config_unix64() const {
// Verify if native Unix64 platform is loaded correctly
Platform platform;
PLATFORM(platform, Platform::Type::Unix64);
ASSERT_EQUALS(Platform::Type::Unix64, platform.type);
ASSERT(!platform.isWindows());
ASSERT_EQUALS(1, platform.sizeof_bool);
ASSERT_EQUALS(2, platform.sizeof_short);
ASSERT_EQUALS(4, platform.sizeof_int);
ASSERT_EQUALS(8, platform.sizeof_long);
ASSERT_EQUALS(8, platform.sizeof_long_long);
ASSERT_EQUALS(4, platform.sizeof_float);
ASSERT_EQUALS(8, platform.sizeof_double);
ASSERT_EQUALS(16, platform.sizeof_long_double);
ASSERT_EQUALS(4, platform.sizeof_wchar_t);
ASSERT_EQUALS(8, platform.sizeof_size_t);
ASSERT_EQUALS(8, platform.sizeof_pointer);
ASSERT_EQUALS('s', platform.defaultSign);
ASSERT_EQUALS(8, platform.char_bit);
ASSERT_EQUALS(16, platform.short_bit);
ASSERT_EQUALS(32, platform.int_bit);
ASSERT_EQUALS(64, platform.long_bit);
ASSERT_EQUALS(64, platform.long_long_bit);
ASSERT_EQUALS(32, platform.float_bit);
ASSERT_EQUALS(64, platform.double_bit);
ASSERT_EQUALS(128, platform.long_double_bit);
}
void valid_config_win32w() const {
// Verify if native Win32W platform is loaded correctly
Platform platform;
PLATFORM(platform, Platform::Type::Win32W);
ASSERT_EQUALS(Platform::Type::Win32W, platform.type);
ASSERT(platform.isWindows());
ASSERT_EQUALS(1, platform.sizeof_bool);
ASSERT_EQUALS(2, platform.sizeof_short);
ASSERT_EQUALS(4, platform.sizeof_int);
ASSERT_EQUALS(4, platform.sizeof_long);
ASSERT_EQUALS(8, platform.sizeof_long_long);
ASSERT_EQUALS(4, platform.sizeof_float);
ASSERT_EQUALS(8, platform.sizeof_double);
ASSERT_EQUALS(8, platform.sizeof_long_double);
ASSERT_EQUALS(2, platform.sizeof_wchar_t);
ASSERT_EQUALS(4, platform.sizeof_size_t);
ASSERT_EQUALS(4, platform.sizeof_pointer);
ASSERT_EQUALS('s', platform.defaultSign);
ASSERT_EQUALS(8, platform.char_bit);
ASSERT_EQUALS(16, platform.short_bit);
ASSERT_EQUALS(32, platform.int_bit);
ASSERT_EQUALS(32, platform.long_bit);
ASSERT_EQUALS(64, platform.long_long_bit);
ASSERT_EQUALS(32, platform.float_bit);
ASSERT_EQUALS(64, platform.double_bit);
ASSERT_EQUALS(64, platform.long_double_bit);
}
void valid_config_unix32() const {
// Verify if native Unix32 platform is loaded correctly
Platform platform;
PLATFORM(platform, Platform::Type::Unix32);
ASSERT_EQUALS(Platform::Type::Unix32, platform.type);
ASSERT(!platform.isWindows());
ASSERT_EQUALS(1, platform.sizeof_bool);
ASSERT_EQUALS(2, platform.sizeof_short);
ASSERT_EQUALS(4, platform.sizeof_int);
ASSERT_EQUALS(4, platform.sizeof_long);
ASSERT_EQUALS(8, platform.sizeof_long_long);
ASSERT_EQUALS(4, platform.sizeof_float);
ASSERT_EQUALS(8, platform.sizeof_double);
ASSERT_EQUALS(12, platform.sizeof_long_double);
ASSERT_EQUALS(4, platform.sizeof_wchar_t);
ASSERT_EQUALS(4, platform.sizeof_size_t);
ASSERT_EQUALS(4, platform.sizeof_pointer);
ASSERT_EQUALS('s', platform.defaultSign);
ASSERT_EQUALS(8, platform.char_bit);
ASSERT_EQUALS(16, platform.short_bit);
ASSERT_EQUALS(32, platform.int_bit);
ASSERT_EQUALS(32, platform.long_bit);
ASSERT_EQUALS(64, platform.long_long_bit);
ASSERT_EQUALS(32, platform.float_bit);
ASSERT_EQUALS(64, platform.double_bit);
ASSERT_EQUALS(96, platform.long_double_bit);
}
void valid_config_win64() const {
// Verify if native Win64 platform is loaded correctly
Platform platform;
PLATFORM(platform, Platform::Type::Win64);
ASSERT_EQUALS(Platform::Type::Win64, platform.type);
ASSERT(platform.isWindows());
ASSERT_EQUALS(1, platform.sizeof_bool);
ASSERT_EQUALS(2, platform.sizeof_short);
ASSERT_EQUALS(4, platform.sizeof_int);
ASSERT_EQUALS(4, platform.sizeof_long);
ASSERT_EQUALS(8, platform.sizeof_long_long);
ASSERT_EQUALS(4, platform.sizeof_float);
ASSERT_EQUALS(8, platform.sizeof_double);
ASSERT_EQUALS(8, platform.sizeof_long_double);
ASSERT_EQUALS(2, platform.sizeof_wchar_t);
ASSERT_EQUALS(8, platform.sizeof_size_t);
ASSERT_EQUALS(8, platform.sizeof_pointer);
ASSERT_EQUALS('s', platform.defaultSign);
ASSERT_EQUALS(8, platform.char_bit);
ASSERT_EQUALS(16, platform.short_bit);
ASSERT_EQUALS(32, platform.int_bit);
ASSERT_EQUALS(32, platform.long_bit);
ASSERT_EQUALS(64, platform.long_long_bit);
ASSERT_EQUALS(32, platform.float_bit);
ASSERT_EQUALS(64, platform.double_bit);
ASSERT_EQUALS(64, platform.long_double_bit);
}
void valid_config_file_1() const {
// Valid platform configuration with all possible values specified.
// Similar to the avr8 platform file.
constexpr char xmldata[] = "<?xml version=\"1.0\"?>\n"
"<platform>\n"
" <windows>false</windows>\n"
" <char_bit>8</char_bit>\n"
" <default-sign>unsigned</default-sign>\n"
" <sizeof>\n"
" <bool>1</bool>\n"
" <short>2</short>\n"
" <int>2</int>\n"
" <long>4</long>\n"
" <long-long>8</long-long>\n"
" <float>4</float>\n"
" <double>4</double>\n"
" <long-double>4</long-double>\n"
" <pointer>2</pointer>\n"
" <size_t>2</size_t>\n"
" <wchar_t>2</wchar_t>\n"
" </sizeof>\n"
" </platform>";
PlatformTest platform;
ASSERT(readPlatform(platform, xmldata));
ASSERT_EQUALS(Platform::Type::File, platform.type);
ASSERT(!platform.isWindows());
ASSERT_EQUALS(8, platform.char_bit);
ASSERT_EQUALS('u', platform.defaultSign);
ASSERT_EQUALS(1, platform.sizeof_bool);
ASSERT_EQUALS(2, platform.sizeof_short);
ASSERT_EQUALS(2, platform.sizeof_int);
ASSERT_EQUALS(4, platform.sizeof_long);
ASSERT_EQUALS(8, platform.sizeof_long_long);
ASSERT_EQUALS(4, platform.sizeof_float);
ASSERT_EQUALS(4, platform.sizeof_double);
ASSERT_EQUALS(4, platform.sizeof_long_double);
ASSERT_EQUALS(2, platform.sizeof_pointer);
ASSERT_EQUALS(2, platform.sizeof_size_t);
ASSERT_EQUALS(2, platform.sizeof_wchar_t);
ASSERT_EQUALS(16, platform.short_bit);
ASSERT_EQUALS(16, platform.int_bit);
ASSERT_EQUALS(32, platform.long_bit);
ASSERT_EQUALS(64, platform.long_long_bit);
}
void valid_config_file_2() const {
// Valid platform configuration with all possible values specified and
// char_bit > 8.
constexpr char xmldata[] = "<?xml version=\"1.0\"?>\n"
"<platform>\n"
" <windows>true</windows>\n"
" <char_bit>20</char_bit>\n"
" <default-sign>signed</default-sign>\n"
" <sizeof>\n"
" <bool>1</bool>\n"
" <short>2</short>\n"
" <int>3</int>\n"
" <long>4</long>\n"
" <long-long>5</long-long>\n"
" <float>6</float>\n"
" <double>7</double>\n"
" <long-double>8</long-double>\n"
" <pointer>9</pointer>\n"
" <size_t>10</size_t>\n"
" <wchar_t>11</wchar_t>\n"
" </sizeof>\n"
" </platform>";
PlatformTest platform;
ASSERT(readPlatform(platform, xmldata));
ASSERT_EQUALS(Platform::Type::File, platform.type);
ASSERT(platform.isWindows());
ASSERT_EQUALS(20, platform.char_bit);
ASSERT_EQUALS('s', platform.defaultSign);
ASSERT_EQUALS(1, platform.sizeof_bool);
ASSERT_EQUALS(2, platform.sizeof_short);
ASSERT_EQUALS(3, platform.sizeof_int);
ASSERT_EQUALS(4, platform.sizeof_long);
ASSERT_EQUALS(5, platform.sizeof_long_long);
ASSERT_EQUALS(6, platform.sizeof_float);
ASSERT_EQUALS(7, platform.sizeof_double);
ASSERT_EQUALS(8, platform.sizeof_long_double);
ASSERT_EQUALS(9, platform.sizeof_pointer);
ASSERT_EQUALS(10, platform.sizeof_size_t);
ASSERT_EQUALS(11, platform.sizeof_wchar_t);
ASSERT_EQUALS(40, platform.short_bit);
ASSERT_EQUALS(60, platform.int_bit);
ASSERT_EQUALS(80, platform.long_bit);
ASSERT_EQUALS(100, platform.long_long_bit);
}
void invalid_config_file_2() const {
// Invalid platform configuration without any usable information.
// Similar like an empty file.
constexpr char xmldata[] = "<?xml version=\"1.0\"?>\n"
"<platform>\n"
" <windows1>true</windows1>\n"
" <char_bit1>8</char_bit1>\n"
" <default-sign1>unsigned</default-sign1>\n"
" <sizeof1>\n"
" <bool1>1</bool1>\n"
" <short1>2</short1>\n"
" <int1>3</int1>\n"
" <long1>4</long1>\n"
" <long-long1>5</long-long1>\n"
" <float1>6</float1>\n"
" <double1>7</double1>\n"
" <long-double1>8</long-double1>\n"
" <pointer1>9</pointer1>\n"
" <size_t1>10</size_t1>\n"
" <wchar_t1>11</wchar_t1>\n"
" </sizeof1>\n"
" </platform>";
PlatformTest platform;
// TODO: needs to fail - files need to be complete
TODO_ASSERT(!readPlatform(platform, xmldata));
}
void valid_config_file_4() const {
// Valid platform configuration with all possible values specified and
// set to 0.
constexpr char xmldata[] = "<?xml version=\"1.0\"?>\n"
"<platform>\n"
" <windows>true</windows>\n"
" <char_bit>0</char_bit>\n"
" <default-sign>z</default-sign>\n"
" <sizeof>\n"
" <bool>0</bool>\n"
" <short>0</short>\n"
" <int>0</int>\n"
" <long>0</long>\n"
" <long-long>0</long-long>\n"
" <float>0</float>\n"
" <double>0</double>\n"
" <long-double>0</long-double>\n"
" <pointer>0</pointer>\n"
" <size_t>0</size_t>\n"
" <wchar_t>0</wchar_t>\n"
" </sizeof>\n"
" </platform>";
PlatformTest platform;
ASSERT(readPlatform(platform, xmldata));
ASSERT_EQUALS(Platform::Type::File, platform.type);
ASSERT(platform.isWindows());
ASSERT_EQUALS(0, platform.char_bit);
ASSERT_EQUALS('z', platform.defaultSign);
ASSERT_EQUALS(0, platform.sizeof_bool);
ASSERT_EQUALS(0, platform.sizeof_short);
ASSERT_EQUALS(0, platform.sizeof_int);
ASSERT_EQUALS(0, platform.sizeof_long);
ASSERT_EQUALS(0, platform.sizeof_long_long);
ASSERT_EQUALS(0, platform.sizeof_float);
ASSERT_EQUALS(0, platform.sizeof_double);
ASSERT_EQUALS(0, platform.sizeof_long_double);
ASSERT_EQUALS(0, platform.sizeof_pointer);
ASSERT_EQUALS(0, platform.sizeof_size_t);
ASSERT_EQUALS(0, platform.sizeof_wchar_t);
ASSERT_EQUALS(0, platform.short_bit);
ASSERT_EQUALS(0, platform.int_bit);
ASSERT_EQUALS(0, platform.long_bit);
ASSERT_EQUALS(0, platform.long_long_bit);
}
void invalid_config_file_1() const {
// Invalid XML file: mismatching elements "boolt" vs "bool".
constexpr char xmldata[] = "<?xml version=\"1.0\"?>\n"
"<platform>\n"
" <windows>false</windows>\n"
" <char_bit>8</char_bit>\n"
" <default-sign>unsigned</default-sign>\n"
" <sizeof>\n"
" <boolt>1</bool>\n"
" <short>2</short>\n"
" <int>2</int>\n"
" <long>4</long>\n"
" <long-long>8</long-long>\n"
" <float>4</float>\n"
" <double>4</double>\n"
" <long-double>4</long-double>\n"
" <pointer>2</pointer>\n"
" <size_t>2</size_t>\n"
" <wchar_t>2</wchar_t>\n"
" </sizeof>\n"
" </platform>";
PlatformTest platform;
ASSERT(!readPlatform(platform, xmldata));
}
void empty_elements() const {
// Valid platform configuration without any usable information.
// Similar like an empty file.
constexpr char xmldata[] = "<?xml version=\"1.0\"?>\n"
"<platform>\n"
" <windows></windows>\n"
" <char_bit></char_bit>\n"
" <default-sign></default-sign>\n"
" <sizeof>\n"
" <bool></bool>\n"
" <short></short>\n"
" <int></int>\n"
" <long></long>\n"
" <long-long></long-long>\n"
" <float></float>\n"
" <double></double>\n"
" <long-double></long-double>\n"
" <pointer></pointer>\n"
" <size_t></size_t>\n"
" <wchar_t></wchar_t>\n"
" </sizeof>\n"
" </platform>";
PlatformTest platform;
ASSERT(!readPlatform(platform, xmldata));
}
void default_platform() const {
Platform platform;
ASSERT_EQUALS(Platform::Type::Native, platform.type);
}
void limitsDefines() const {
Platform platform;
ASSERT_EQUALS(true, platform.set(Platform::Unix64));
const std::string defs = "CHAR_BIT=8;SCHAR_MIN=-128;SCHAR_MAX=127;UCHAR_MAX=255;CHAR_MIN=0;CHAR_MAX=127;SHRT_MIN=-32768;SHRT_MAX=32767;USHRT_MAX=65535;INT_MIN=(-2147483647 - 1);INT_MAX=2147483647;UINT_MAX=4294967295;LONG_MIN=(-9223372036854775807L - 1L);LONG_MAX=9223372036854775807L;ULONG_MAX=18446744073709551615UL";
const std::string defs_c99 = "CHAR_BIT=8;SCHAR_MIN=-128;SCHAR_MAX=127;UCHAR_MAX=255;CHAR_MIN=0;CHAR_MAX=127;SHRT_MIN=-32768;SHRT_MAX=32767;USHRT_MAX=65535;INT_MIN=(-2147483647 - 1);INT_MAX=2147483647;UINT_MAX=4294967295;LONG_MIN=(-9223372036854775807L - 1L);LONG_MAX=9223372036854775807L;ULONG_MAX=18446744073709551615UL;LLONG_MIN=(-9223372036854775807LL - 1LL);LLONG_MAX=9223372036854775807LL;ULLONG_MAX=18446744073709551615ULL";
ASSERT_EQUALS(defs, platform.getLimitsDefines(Standards::cstd_t::C89));
ASSERT_EQUALS(defs_c99, platform.getLimitsDefines(Standards::cstd_t::C99));
ASSERT_EQUALS(defs_c99, platform.getLimitsDefines(Standards::cstd_t::CLatest));
ASSERT_EQUALS(defs, platform.getLimitsDefines(Standards::cppstd_t::CPP03));
ASSERT_EQUALS(defs_c99, platform.getLimitsDefines(Standards::cppstd_t::CPP11));
ASSERT_EQUALS(defs_c99, platform.getLimitsDefines(Standards::cppstd_t::CPPLatest));
}
void charMinMax() const {
Platform platform;
ASSERT_EQUALS(255, platform.unsignedCharMax());
ASSERT_EQUALS(127, platform.signedCharMax());
ASSERT_EQUALS(-128, platform.signedCharMin());
}
void no_root_node() const {
constexpr char xmldata[] = "<?xml version=\"1.0\"?>";
PlatformTest platform;
ASSERT(!readPlatform(platform, xmldata));
}
void wrong_root_node() const {
constexpr char xmldata[] = "<?xml version=\"1.0\"?>\n"
"<platforms/>";
PlatformTest platform;
ASSERT(!readPlatform(platform, xmldata));
}
};
REGISTER_TEST(TestPlatform)