message: Improved instance test
diff: @@ -41,47 +41,21 @@ use wasmer_js::*;
  #[wasm_bindgen_test]
  fn test_exported_memory() {
  - // Let's declare the Wasm module with the text representation.
  - let wasm_bytes = wat2wasm(
  - br#"
  + let store = Store::default();
  + let module = Module::new(&store, br#"
  (module
  (memory (export "mem") 1)
  )
  -"#,
  - )
  - .unwrap();
  -
  - // Create a Store.
  - // Note that we don't need to specify the engine/compiler if we want to use
  - // the default provided by Wasmer.
  - // You can use `Store::default()` for that.
  - let store = Store::default();
  -
  - println!("Compiling module...");
  - // Let's compile the Wasm module.
  - let module = Module::new(&store, wasm_bytes).unwrap();
  + "#).unwrap();
  - // Create an empty import object.
  let import_object = imports! {};
  -
  - println!("Instantiating module...");
  - // Let's instantiate the Wasm module.
  let instance = Instance::new(&module, &import_object).unwrap();
  + let memory = instance.exports.get_memory("mem").unwrap();
  + assert_eq!(memory.size(), Pages(1));
  + assert_eq!(memory.data_size(), 65536);
  +
  // let load = instance
  // .exports
  // .get_native_function::<(), (WasmPtr<u8, Array>, i32)>("load")?;
  -
  - // Here we go.
  - //
  - // The Wasm module exports a memory under "mem". Let's get it.
  - let memory = instance.exports.get_memory("mem").unwrap();
  -
  - // Now that we have the exported memory, let's get some
  - // information about it.
  - //
  - // The first thing we might be intersted in is the size of the memory.
  - // Let's get it!
  - println!("Memory size (pages) {:?}", memory.size());
  - println!("Memory size (bytes) {:?}", memory.data_size());
  }
  