2026-03-24 13:40:35 +00:00

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// use std::fs;
// use std::path::Path;
// use prometeu_core::{Value, VmFault};
// use prometeu_drivers::hardware::Hardware;
// use prometeu_hal::{HostContext, HostReturn, NativeInterface};
// use prometeu_vm::{LogicalFrameEndingReason, VirtualMachine};
//
// struct MockNative;
// impl NativeInterface for MockNative {
// fn syscall(&mut self, id: u32, _args: &[Value], ret: &mut HostReturn, _ctx: &mut HostContext) -> Result<(), VmFault> {
// if id == 0x2010 { // InputPadSnapshot
// for _ in 0..48 {
// ret.push_bool(false);
// }
// } else if id == 0x2011 { // InputTouchSnapshot
// for _ in 0..6 {
// ret.push_int(0);
// }
// } else {
// // Push one result for others that might expect it
// // Based on results_count() in syscalls.rs, most return 1 except GfxClear565 (0)
// if id != 0x1010 {
// ret.push_null();
// }
// }
// Ok(())
// }
// }
//
// #[test]
// fn test_canonical_cartridge_heartbeat() {
// let mut pbc_path = Path::new("../../test-cartridges/canonical/golden/program.pbc").to_path_buf();
// if !pbc_path.exists() {
// pbc_path = Path::new("test-cartridges/canonical/golden/program.pbc").to_path_buf();
// }
//
// let pbc_bytes = fs::read(pbc_path).expect("Failed to read canonical PBC. Did you run the generation test?");
//
// // Determine entrypoint from the compiled module exports
// let entry_symbol = "src/main/modules:frame";
//
// let mut vm = VirtualMachine::new(vec![], vec![]);
// vm.initialize(pbc_bytes, entry_symbol).expect("Failed to initialize VM with canonical cartridge");
// vm.prepare_call(entry_symbol);
//
// let mut native = MockNative;
// let mut hw = Hardware::new();
// let mut ctx = HostContext::new(Some(&mut hw));
//
// // Run for a reasonable budget
// let report = vm.run_budget(1000, &mut native, &mut ctx).expect("VM failed to run");
//
// // Acceptance criteria:
// // 1. No traps
// match report.reason {
// LogicalFrameEndingReason::Trap(trap) => panic!("VM trapped: {:?}", trap),
// LogicalFrameEndingReason::Panic(msg) => panic!("VM panicked: {}", msg),
// LogicalFrameEndingReason::Halted => {},
// LogicalFrameEndingReason::EndOfRom => {},
// LogicalFrameEndingReason::FrameSync => {},
// LogicalFrameEndingReason::BudgetExhausted => {},
// LogicalFrameEndingReason::Breakpoint => {},
// }
//
// // 2. Deterministic output state (if any)
// // Observação: a PVM agora sinaliza FRAME_SYNC imediatamente antes do RET do entry point.
// // Quando o motivo é FRAME_SYNC, não exigimos pilha vazia (a limpeza final ocorre após o RET).
// // Para os demais motivos (RET/Halted/EndOfRom), a pilha deve estar vazia para frame(): void.
// if !matches!(report.reason, LogicalFrameEndingReason::FrameSync) {
// assert_eq!(vm.operand_stack.len(), 0, "Stack should be empty after frame() execution");
// }
//
// println!("Heartbeat test passed!");
// }