module main

import wasm

fn test_globals() {
    mut m := wasm.Module{}
    m.enable_debug('vlang')

    vsp := m.new_global('__vsp', false, .i32_t, true, wasm.constexpr_value(10))
    mut func := m.new_function('vsp', [], [.i32_t])
    {
        func.global_get(vsp)
        func.i32_const(20)
        func.add(.i32_t)
        func.global_set(vsp)
        func.global_get(vsp)
    }
    m.commit(func, true)

    fref := m.new_global('__ref', true, .funcref_t, true, wasm.constexpr_ref_null(.funcref_t))
    mut func1 := m.new_function('ref', [], [])
    {
        func1.ref_func('vsp')
        func1.global_set(fref)
    }
    m.commit(func1, true)

    gimport := m.new_global_import('env', '__import', .f64_t, false)
    mut func2 := m.new_function('import', [], [.f64_t])
    {
        func2.global_get(gimport)
    }
    m.commit(func2, true)

    validate(m.compile()) or { panic(err) }
}