Files
RustIJVM/tests/advancedstack.rs

83 lines
2.3 KiB
Rust

extern crate rustijvm;
use std::convert::TryInto;
fn steps(machine: &mut rustijvm::machine::Machine, num: usize) {
for _ in 0..num {
machine.step().unwrap();
}
}
#[test]
fn advancedstack_100() {
let mut machine = rustijvm::machine::Machine::new_from_file("files/advanced/teststack.ijvm").unwrap();
machine.set_output(rustijvm::stubs::output_stub());
steps(&mut machine, 1);
steps(&mut machine, 2 * 100);
assert_eq!(machine.get_tos(), Ok(0x2));
}
#[test]
fn advancedstack_3000() {
let mut machine = rustijvm::machine::Machine::new_from_file("files/advanced/teststack.ijvm").unwrap();
machine.set_output(rustijvm::stubs::output_stub());
steps(&mut machine, 1);
steps(&mut machine, 2 * 3000);
assert_eq!(machine.get_tos(), Ok(0x2));
}
#[test]
fn advancedstack_50000() {
let mut machine = rustijvm::machine::Machine::new_from_file("files/advanced/teststack.ijvm").unwrap();
machine.set_output(rustijvm::stubs::output_stub());
steps(&mut machine, 1);
steps(&mut machine, 2 * 50000);
assert_eq!(machine.get_tos(), Ok(0x2));
}
#[test]
fn advancedstack_contents() {
let mut machine = rustijvm::machine::Machine::new_from_file("files/advanced/teststack.ijvm").unwrap();
machine.set_output(rustijvm::stubs::output_stub());
steps(&mut machine, 1);
steps(&mut machine, 2 * 100);
let stack = machine.cur_stack();
let size = stack.len();
assert!(size >= 100);
let markers = (0..size).filter(|i| {
stack.get(*i).try_into().unwrap_or(0) == 0x2
}).count();
assert!(markers >= 99);
}
#[test]
fn advancedstack_method() {
let mut machine = rustijvm::machine::Machine::new_from_file("files/advanced/teststack2.ijvm").unwrap();
machine.set_output(rustijvm::stubs::output_stub());
steps(&mut machine, 8);
{
let stack = machine.cur_stack();
let markers = (0..stack.len()).filter(|i| {
stack.get(*i).try_into().unwrap_or(0) == 0x2
}).count();
assert_eq!(markers, 4);
}
steps(&mut machine, 1);
steps(&mut machine, 2 * 5000);
{
let stack = machine.cur_stack();
let markers = (0..stack.len()).filter(|i| {
stack.get(*i).try_into().unwrap_or(0) == 0x2
}).count();
assert!(markers > 4000);
}
}