github.com/tetratelabs/wazero@v1.7.3-0.20240513003603-48f702e154b5/internal/engine/wazevo/frontend/lower_test.go (about)

     1  package frontend
     2  
     3  import (
     4  	"testing"
     5  	"unsafe"
     6  
     7  	"github.com/tetratelabs/wazero/internal/testing/require"
     8  	"github.com/tetratelabs/wazero/internal/wasm"
     9  )
    10  
    11  func Test_Offsets(t *testing.T) {
    12  	var memInstance wasm.MemoryInstance
    13  	require.Equal(t, int(unsafe.Offsetof(memInstance.Buffer)), memoryInstanceBufOffset)
    14  	var tableInstance wasm.TableInstance
    15  	require.Equal(t, int(unsafe.Offsetof(tableInstance.References)), tableInstanceBaseAddressOffset)
    16  
    17  	var dataInstance wasm.DataInstance
    18  	var elementInstance wasm.ElementInstance
    19  
    20  	require.Equal(t, int(unsafe.Sizeof(dataInstance)), elementOrDataInstanceSize)
    21  	require.Equal(t, int(unsafe.Sizeof(elementInstance)), elementOrDataInstanceSize)
    22  }