Function total_component_instances_limit

tests/all/pooling_allocator.rs:833–863

()

#[test]
#[cfg(feature = "component-model")]
fn total_component_instances_limit() -> Result<()> {
    const TOTAL_COMPONENT_INSTANCES: u32 = 5;

    let mut pool = crate::small_pool_config();
    pool.total_component_instances(TOTAL_COMPONENT_INSTANCES);
    let mut config = Config::new();
    config.wasm_component_model(true);
    config.allocation_strategy(pool);

    let engine = Engine::new(&config)?;
    let linker = wasmtime::component::Linker::new(&engine);
    let component = wasmtime::component::Component::new(&engine, "(component)")?;

    let mut store = Store::new(&engine, ());
    for _ in 0..TOTAL_COMPONENT_INSTANCES {
        linker.instantiate(&mut store, &component)?;
    }

    match linker.instantiate(&mut store, &component) {
        Ok(_) => panic!("should have hit component instance limit"),
        Err(e) => assert!(e.is::<PoolConcurrencyLimitError>()),
    }

    drop(store);
    let mut store = Store::new(&engine, ());
    for _ in 0..TOTAL_COMPONENT_INSTANCES {
        linker.instantiate(&mut store, &component)?;
    }

    Ok(())
}

#[test]
#[cfg(feature = "component-model")]