bytevm 0.7.1

A tiny bytecode virtual machine
Documentation 
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use bytevm::prelude::*;

#[test]
fn test_get_arg() {
    let mut program = Program::builder();
    program.add_function(FunctionBuilder::default()
        .name("main")
        .arity(1)
        .body(
            BlockEncoder::default()
                .declare_local("a")
                .push_integer(1)
                .set_local("a")
                .get_local("a")
                .return_value()
        )
        .build()
    );

    let mut vm = Vm::default();
    vm.load_program(program.build());
    let result = vm.run(None, None).unwrap().result.unwrap();

    assert_eq!(result, Variant::Integer(1));

}

#[test]
fn test_get_variable() {
    let mut program = Program::builder();
    program.add_function(FunctionBuilder::default()
        .name("main")
        .arity(1)
        .body(
            BlockEncoder::default()
                .declare_local("a")
                .declare_local("b")
                .push_integer(1)
                .set_local("b")
                .get_local("b")
                .return_value()
        )
        .build()
    );

    let mut vm = Vm::default();
    vm.load_program(program.build());
    let result = vm.run(None, None).unwrap().result.unwrap();

    assert_eq!(result, Variant::Integer(1));

}

#[test]
fn test_overwrite_local() {
    let mut program = Program::builder();
    program.add_function(FunctionBuilder::default()
        .name("main")
        .arity(1)
        .body(
            BlockEncoder::default()
                .declare_local("a")
                .push_integer(1)
                .set_local("a")
                .push_integer(2)
                .set_local("a")
                .get_local("a")
                .return_value()
        )
        .build()
    );

    let mut vm = Vm::default();
    vm.load_program(program.build());
    let result = vm.run(None, None).unwrap().result.unwrap();

    assert_eq!(result, Variant::Integer(2));
}