piecrust 0.30.0

Dusk's virtual machine for running WASM smart contracts.
Documentation
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at http://mozilla.org/MPL/2.0/.
//
// Copyright (c) DUSK NETWORK. All rights reserved.

use piecrust::{ContractData, Error, SessionData, VM, contract_bytecode};

const OWNER: [u8; 32] = [0u8; 32];
const LIMIT: u64 = 1_000_000;

#[test]
pub fn vector_push_pop() -> Result<(), Error> {
    let vm = VM::ephemeral()?;

    let mut session = vm.session(SessionData::builder())?;

    let id = session.deploy(
        contract_bytecode!("vector"),
        ContractData::builder().owner(OWNER),
        LIMIT,
    )?;

    const N: usize = 128;

    for i in 0..N {
        session.call::<_, ()>(id, "push", &(i as i16), LIMIT)?;
    }

    for i in 0..N {
        let popped: Option<i16> = session.call(id, "pop", &(), LIMIT)?.data;

        assert_eq!(popped, Some((N - i - 1) as i16));
    }

    let popped: Option<i16> = session.call(id, "pop", &(), LIMIT)?.data;

    assert_eq!(popped, None);

    Ok(())
}