Function TestLinker

linker_test.go:9–51

(t *testing.T)

)

func TestLinker(t *testing.T) {
	wasm, err := Wat2Wasm(`
          (module
	    (import "" "f" (func))
	    (import "" "g" (global i32))
	    (import "" "t" (table 1 funcref))
	    (import "" "m" (memory 1))
          )
        `)
	require.NoError(t, err)
	store := NewStore(NewEngine())
	module, err := NewModule(store.Engine, wasm)
	require.NoError(t, err)
	linker := NewLinker(store.Engine)
	defer linker.Close()
	require.NoError(t, linker.Define(store, "", "f", WrapFunc(store, func() {})))
	g, err := NewGlobal(store, NewGlobalType(NewValType(KindI32), false), ValI32(0))
	require.NoError(t, err)
	require.NoError(t, linker.Define(store, "", "g", g))
	mt, err := NewMemoryType(1, true, 300, false)
	require.NoError(t, err)
	m, err := NewMemory(store, mt)
	require.NoError(t, err)
	require.NoError(t, linker.Define(store, "", "m", m))
	require.NoError(t, linker.Define(store, "other", "m", m))

	tableWasm, err := Wat2Wasm(`(module (table (export "") 1 funcref))`)
	require.NoError(t, err)
	tableModule, err := NewModule(store.Engine, tableWasm)
	require.NoError(t, err)
	instance, err := NewInstance(store, tableModule, []AsExtern{})
	require.NoError(t, err)
	table := instance.Exports(store)[0].Table()
	require.NoError(t, linker.Define(store, "", "t", table))

	_, err = linker.Instantiate(store, module)
	require.NoError(t, err)

	require.NoError(t, linker.DefineFunc(store, "", "", func() {}))
	require.NoError(t, linker.DefineInstance(store, "x", instance))
	err = linker.DefineInstance(store, "x", instance)
	require.Error(t, err)
}

func TestLinkerShadowing(t *testing.T) {
	store := NewStore(NewEngine())