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scummvm-tools/decompiler/test/disassembler_test.h
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/* ScummVM Tools
*
* ScummVM Tools is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* 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 <cxxtest/TestSuite.h>
#include "disassembler/pasc.h"
#include "disassembler/subopcode.h"
#include "decompiler/scummv6/disassembler.h"
#include "decompiler/kyra/engine.h"
class DisassemblerTestSuite : public CxxTest::TestSuite {
public:
void testDisassembly() {
try {
InstVec insts;
PasCDisassembler p(insts);
p.open("decompiler/test/hanoi20.pasb");
p.disassemble();
TS_ASSERT(insts[0]->_address == 0);
TS_ASSERT(insts[0]->_opcode == 0x00);
TS_ASSERT(insts[0]->_name == "PUSH");
TS_ASSERT(insts[0]->_stackChange == 0);
TS_ASSERT(insts[0]->_params[0]->isInteger());
TS_ASSERT(insts[0]->_params[0]->getSigned() == 0x60);
} catch (UnknownOpcodeException &uoe) {
printf("Exception message: %s\n", uoe.what());
TS_ASSERT(false);
} catch (std::exception &ex) {
printf("Exception message: %s\n", ex.what());
TS_ASSERT(false);
}
}
void testSubOpcodeDisassembly() {
InstVec insts;
SubOpcodeDisassembler s(insts);
s.open("decompiler/test/subopcode_test.bin");
s.disassemble();
TS_ASSERT(insts[0]->_name == "FOO");
TS_ASSERT(insts[0]->_opcode == 0xFFFF);
}
void testUnknownOpcodeException() {
try {
InstVec insts;
SubOpcodeDisassembler s(insts);
s.open("decompiler/test/unknownopcode_test.bin");
s.disassemble();
TS_ASSERT(false);
} catch (UnknownOpcodeException) {
TS_ASSERT(true);
}
}
// This test requires script-15.dmp from Sam & Max: Hit The Road.
// 1ab08298c9c8fb4c77953756989c7449 *script-15.dmp
void testScummv6DisassemblerScript15() {
InstVec insts;
Scumm::v6::Scummv6Disassembler s(insts);
s.open("decompiler/test/script-15.dmp");
s.disassemble();
TS_ASSERT(insts.size() == 11);
TS_ASSERT(insts[0]->_address == 0);
TS_ASSERT(insts[0]->_opcode == 0x03);
TS_ASSERT(insts[0]->_name == "pushWordVar");
TS_ASSERT(insts[0]->_params[0]->getUnsigned() == 16384);
TS_ASSERT(insts[1]->_address == 3);
TS_ASSERT(insts[1]->_opcode == 0x43);
TS_ASSERT(insts[1]->_name == "writeWordVar");
TS_ASSERT(insts[1]->_params[0]->getUnsigned() == 197);
TS_ASSERT(insts[2]->_address == 6);
TS_ASSERT(insts[2]->_opcode == 0x01);
TS_ASSERT(insts[2]->_name == "pushWord");
TS_ASSERT(insts[2]->_params[0]->getSigned() == 0);
TS_ASSERT(insts[3]->_address == 9);
TS_ASSERT(insts[3]->_opcode == 0x01);
TS_ASSERT(insts[3]->_name == "pushWord");
TS_ASSERT(insts[3]->_params[0]->getSigned() == 11);
TS_ASSERT(insts[4]->_address == 12);
TS_ASSERT(insts[4]->_opcode == 0x01);
TS_ASSERT(insts[4]->_name == "pushWord");
TS_ASSERT(insts[4]->_params[0]->getSigned() == 0);
TS_ASSERT(insts[5]->_address == 15);
TS_ASSERT(insts[5]->_opcode == 0x5E);
TS_ASSERT(insts[5]->_name == "startScript");
TS_ASSERT(insts[6]->_address == 16);
TS_ASSERT(insts[6]->_opcode == 0x01);
TS_ASSERT(insts[6]->_name == "pushWord");
TS_ASSERT(insts[6]->_params[0]->getSigned() == 0);
TS_ASSERT(insts[7]->_address == 19);
TS_ASSERT(insts[7]->_opcode == 0x01);
TS_ASSERT(insts[7]->_name == "pushWord");
TS_ASSERT(insts[7]->_params[0]->getSigned() == 14);
TS_ASSERT(insts[8]->_address == 22);
TS_ASSERT(insts[8]->_opcode == 0x01);
TS_ASSERT(insts[8]->_name == "pushWord");
TS_ASSERT(insts[8]->_params[0]->getSigned() == 0);
TS_ASSERT(insts[9]->_address == 25);
TS_ASSERT(insts[9]->_opcode == 0x5E);
TS_ASSERT(insts[9]->_name == "startScript");
TS_ASSERT(insts[10]->_address == 26);
TS_ASSERT(insts[10]->_opcode == 0x66);
TS_ASSERT(insts[10]->_name == "stopObjectCodeB");
}
// This test requires script-31.dmp from Sam & Max: Hit The Road.
// f75f7ce110f378735d449f8eeb4a68e5 *script-31.dmp
void testScummv6DisassemblerScript31() {
InstVec insts;
Scumm::v6::Scummv6Disassembler s(insts);
s.open("decompiler/test/script-31.dmp");
s.disassemble();
TS_ASSERT(insts.size() == 5);
TS_ASSERT(insts[0]->_address == 0);
TS_ASSERT(insts[0]->_opcode == 0x01);
TS_ASSERT(insts[0]->_name == "pushWord");
TS_ASSERT(insts[0]->_params[0]->getSigned() == 0);
TS_ASSERT(insts[1]->_address == 3);
TS_ASSERT(insts[1]->_opcode == 0x43);
TS_ASSERT(insts[1]->_name == "writeWordVar");
TS_ASSERT(insts[1]->_params[0]->getUnsigned() == 180);
TS_ASSERT(insts[2]->_address == 6);
TS_ASSERT(insts[2]->_opcode == 0x01);
TS_ASSERT(insts[2]->_name == "pushWord");
TS_ASSERT(insts[2]->_params[0]->getSigned() == 0);
TS_ASSERT(insts[3]->_address == 9);
TS_ASSERT(insts[3]->_opcode == 0x43);
TS_ASSERT(insts[3]->_name == "writeWordVar");
TS_ASSERT(insts[3]->_params[0]->getUnsigned() == 181);
TS_ASSERT(insts[4]->_address == 12);
TS_ASSERT(insts[4]->_opcode == 0x66);
TS_ASSERT(insts[4]->_name == "stopObjectCodeB");
}
// This test requires script-33.dmp from Sam & Max: Hit The Road.
// 9f09418bf34abbdec0ec54f388d8dca4 *script-33.dmp
void testScummv6DisassemblerScript33() {
InstVec insts;
Scumm::v6::Scummv6Disassembler s(insts);
s.open("decompiler/test/script-33.dmp");
s.disassemble();
TS_ASSERT(insts.size() == 10);
TS_ASSERT(insts[0]->_address == 0);
TS_ASSERT(insts[0]->_opcode == 0x01);
TS_ASSERT(insts[0]->_name == "pushWord");
TS_ASSERT(insts[0]->_params[0]->getSigned() == 0);
TS_ASSERT(insts[1]->_address == 3);
TS_ASSERT(insts[1]->_opcode == 0x43);
TS_ASSERT(insts[1]->_name == "writeWordVar");
TS_ASSERT(insts[1]->_params[0]->getUnsigned() == 71);
TS_ASSERT(insts[2]->_address == 6);
TS_ASSERT(insts[2]->_opcode == 0x03);
TS_ASSERT(insts[2]->_name == "pushWordVar");
TS_ASSERT(insts[2]->_params[0]->getUnsigned() == 177);
TS_ASSERT(insts[3]->_address == 9);
TS_ASSERT(insts[3]->_opcode == 0x43);
TS_ASSERT(insts[3]->_name == "writeWordVar");
TS_ASSERT(insts[3]->_params[0]->getUnsigned() == 173);
TS_ASSERT(insts[4]->_address == 12);
TS_ASSERT(insts[4]->_opcode == 0x01);
TS_ASSERT(insts[4]->_name == "pushWord");
TS_ASSERT(insts[4]->_params[0]->getSigned() == 874);
TS_ASSERT(insts[5]->_address == 15);
TS_ASSERT(insts[5]->_opcode == 0x43);
TS_ASSERT(insts[5]->_name == "writeWordVar");
TS_ASSERT(insts[5]->_params[0]->getUnsigned() == 177);
TS_ASSERT(insts[6]->_address == 18);
TS_ASSERT(insts[6]->_opcode == 0x03);
TS_ASSERT(insts[6]->_name == "pushWordVar");
TS_ASSERT(insts[6]->_params[0]->getUnsigned() == 177);
TS_ASSERT(insts[7]->_address == 21);
TS_ASSERT(insts[7]->_opcode == 0x01);
TS_ASSERT(insts[7]->_name == "pushWord");
TS_ASSERT(insts[7]->_params[0]->getSigned() == 93);
TS_ASSERT(insts[8]->_address == 24);
TS_ASSERT(insts[8]->_opcode == 0x6B99);
TS_ASSERT(insts[8]->_name == "cursorCommand.setCursorImg");
TS_ASSERT(insts[9]->_address == 26);
TS_ASSERT(insts[9]->_opcode == 0x66);
TS_ASSERT(insts[9]->_name == "stopObjectCodeB");
}
// This test requires room-9-202.dmp from Sam & Max: Hit The Road.
// f010dc659264674a2b6da298acd0b88b *room-9-202.dmp
void testScummv6StackChangeFixRoom9202() {
InstVec insts;
Scumm::v6::Scummv6Disassembler s(insts);
s.open("decompiler/test/room-9-202.dmp");
s.disassemble();
InstIterator it = insts.end();
it -= 8;
TS_ASSERT((*it)->_stackChange == -3);
}
// This test requires script-30.dmp from Sam & Max: Hit The Road.
// 6e48faca13e1f6df9341567608962744 *script-30.dmp
void testScummv6StackChangeFixScript30() {
InstVec insts;
Scumm::v6::Scummv6Disassembler s(insts);
s.open("decompiler/test/script-30.dmp");
s.disassemble();
InstIterator it = insts.end();
it -= 3;
TS_ASSERT((*it)->_stackChange == -6);
}
// This test requires _START04.EMC from the CD demo of
// Legend of Kyrandia: Hand of Fate, found in MISC_EMC.PAK.
// Extract using extract_kyra from the scummvm-tools-cli bundle.
// ba2821ac6da96394ce0af75a3cbe48eb *_START04.EMC
void testKyra2Start04() {
InstVec insts;
Kyra::Kyra2Engine engine;
Disassembler* s = engine.getDisassembler(insts);
s->open("decompiler/test/_START04.EMC");
s->disassemble();
TS_ASSERT(insts.size() == 481);
//These scripts are far too big to check all instructions, so we just check a few different ones
TS_ASSERT(insts[16]->_address == 0x20);
TS_ASSERT(insts[16]->_opcode == 15);
TS_ASSERT(insts[16]->_name == "ifNotJmp");
TS_ASSERT(insts[16]->_stackChange == -1);
TS_ASSERT(insts[38]->_address == 0x54);
TS_ASSERT(insts[38]->_opcode == 14);
TS_ASSERT(insts[38]->_name == "o1_setHandItem");
TS_ASSERT(insts[38]->_stackChange == 0);
delete s;
}
};
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