Function custom_1byte_page_cant_grow

tests/all/memory.rs:686–742

()

#[test]
#[cfg_attr(miri, ignore)]
fn custom_1byte_page_cant_grow() -> Result<()> {
    let mut config = Config::new();
    config.shared_memory(true);

    let engine = Engine::new(&config)?;
    let mut store = Store::new(&engine, ());

    // unshared too big
    Memory::new(
        &mut store,
        MemoryTypeBuilder::new()
            .min(0xffff_ffff)
            .max(Some(0xffff_ffff))
            .page_size_log2(0)
            .build()?,
    )
    .unwrap_err();

    // shared too big
    SharedMemory::new(
        &engine,
        MemoryTypeBuilder::new()
            .min(0xffff_ffff)
            .max(Some(0xffff_ffff))
            .shared(true)
            .page_size_log2(0)
            .build()?,
    )
    .unwrap_err();

    if cfg!(target_pointer_width = "64") {
        // unshared growth too big
        let memory = Memory::new(
            &mut store,
            MemoryTypeBuilder::new()
                .min(0xffff_fffe)
                .max(Some(0xffff_ffff))
                .page_size_log2(0)
                .build()?,
        )?;
        assert!(memory.grow(&mut store, 1).is_err());

        // shared growth too big
        let memory = SharedMemory::new(
            &engine,
            MemoryTypeBuilder::new()
                .min(0xffff_fffe)
                .max(Some(0xffff_ffff))
                .shared(true)
                .page_size_log2(0)
                .build()?,
        )?;
        assert!(memory.grow(1).is_err());
    }

    Ok(())
}