138 lines
3.7 KiB
Rust
138 lines
3.7 KiB
Rust
extern crate rustijvm;
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fn steps(machine: &mut rustijvm::machine::Machine, num: usize) {
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for _ in 0..num {
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machine.step().unwrap();
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}
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}
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#[test]
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fn task3_goto1() {
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let mut machine = rustijvm::machine::Machine::new_from_file("files/task3/GOTO1.ijvm").unwrap();
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machine.set_output(rustijvm::stubs::output_stub());
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steps(&mut machine, 1);
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assert_eq!(machine.get_tos(), Ok(0x31));
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steps(&mut machine, 3);
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assert_eq!(machine.get_tos(), Ok(0x33));
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steps(&mut machine, 1);
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}
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#[test]
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fn task3_goto2() {
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let mut machine = rustijvm::machine::Machine::new_from_file("files/task3/GOTO2.ijvm").unwrap();
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machine.set_output(rustijvm::stubs::output_stub());
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steps(&mut machine, 1);
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assert_eq!(machine.get_tos(), Ok(0x31));
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steps(&mut machine, 3);
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assert_eq!(machine.get_tos(), Ok(0x33));
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steps(&mut machine, 3);
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assert_eq!(machine.get_tos(), Ok(0x32));
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steps(&mut machine, 1);
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}
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#[test]
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fn task3_ifeq1() {
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let mut machine = rustijvm::machine::Machine::new_from_file("files/task3/IFEQ1.ijvm").unwrap();
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machine.set_output(rustijvm::stubs::output_stub());
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steps(&mut machine, 1);
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assert_eq!(machine.get_tos(), Ok(0x5));
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// L2 iteration 1
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steps(&mut machine, 6);
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assert_eq!(machine.get_tos(), Ok(0x4));
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steps(&mut machine, 3);
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let pc = machine.get_program_counter();
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// L2 iteration 2
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steps(&mut machine, 6);
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assert_eq!(machine.get_tos(), Ok(0x3));
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steps(&mut machine, 3);
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assert_eq!(machine.get_program_counter(), pc);
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// L2 iteration 3
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steps(&mut machine, 6);
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assert_eq!(machine.get_tos(), Ok(0x2));
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steps(&mut machine, 3);
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assert_eq!(machine.get_program_counter(), pc);
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// L2 iteration 4
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steps(&mut machine, 6);
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assert_eq!(machine.get_tos(), Ok(0x1));
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steps(&mut machine, 3);
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assert_eq!(machine.get_program_counter(), pc);
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// L2 iteration 5
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steps(&mut machine, 6);
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assert_eq!(machine.get_tos(), Ok(0x0));
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steps(&mut machine, 2);
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assert_eq!(machine.get_program_counter(), pc + 15);
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}
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#[test]
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fn task3_iflt1() {
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let mut machine = rustijvm::machine::Machine::new_from_file("files/task3/IFLT1.ijvm").unwrap();
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machine.set_output(rustijvm::stubs::output_stub());
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let mut pc = 0;
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// L1
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steps(&mut machine, 2);
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assert_eq!(machine.get_program_counter(), pc + 5);
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pc = machine.get_program_counter();
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// L2
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steps(&mut machine, 2);
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assert_eq!(machine.get_program_counter(), pc + 5);
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pc = machine.get_program_counter();
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// L3
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steps(&mut machine, 2);
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assert_eq!(machine.get_program_counter(), pc + 5);
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pc = machine.get_program_counter();
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// L4
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steps(&mut machine, 4);
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assert_eq!(machine.get_program_counter(), pc + 19);
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steps(&mut machine, 1);
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assert_eq!(machine.get_tos(), Ok(0x37));
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}
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#[test]
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fn task3_ificmpeq1() {
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let mut machine = rustijvm::machine::Machine::new_from_file("files/task3/IFICMPEQ1.ijvm").unwrap();
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machine.set_output(rustijvm::stubs::output_stub());
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let mut pc = 0;
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// L1
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steps(&mut machine, 3);
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assert_eq!(machine.get_program_counter(), pc + 7);
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pc = machine.get_program_counter();
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// L2
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steps(&mut machine, 5);
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assert_eq!(machine.get_program_counter(), pc + 10);
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pc = machine.get_program_counter();
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// L3
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steps(&mut machine, 4);
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assert_eq!(machine.get_program_counter(), pc + 8);
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pc = machine.get_program_counter();
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// L4
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for _ in 0..3 {
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steps(&mut machine, 3);
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assert_eq!(machine.get_program_counter(), pc);
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pc = machine.get_program_counter()
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}
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// L6
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steps(&mut machine, 2);
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assert_eq!(machine.get_program_counter(), pc + 9);
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steps(&mut machine, 1);
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assert_eq!(machine.get_tos(), Ok(0x13));
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}
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