The problem was in the test. I didn't allocate the memory for output...

The problem was in the test. I didn't allocate the memory for output parameter. But runtime was wrong with the line of code

fuse/fuse_test.go

@@ -15,12 +15,15 @@ type testFuse struct {}
 func (fs *testFuse) Init(in *InitIn) (out *InitOut, code Error) {
 	if (in.Major != FUSE_KERNEL_VERSION) {
 		fmt.Printf("Major versions does not match. Given %d, want %d\n", in.Major, FUSE_KERNEL_VERSION)
-		return nil, EIO
+		code = EIO
+		return
 	}
 	if (in.Minor < FUSE_KERNEL_MINOR_VERSION) {
 		fmt.Printf("Minor version is less than we support. Given %d, want at least %d\n", in.Minor, FUSE_KERNEL_MINOR_VERSION)
-		return nil, EIO
+		code = EIO
+		return
 	}
+	out = new(InitOut)
 	out.Major = FUSE_KERNEL_VERSION
 	out.Minor = FUSE_KERNEL_MINOR_VERSION
 	out.MaxReadahead = 65536
@@ -30,12 +33,12 @@ func (fs *testFuse) Init(in *InitIn) (out *InitOut, code Error) {
 
 func TestMount(t *testing.T) {
 	fs := new(testFuse)
-	toW := make(chan [][]byte, 100)
-	errors := make(chan os.Error, 100)
+//	toW := make(chan [][]byte, 100)
+//	errors := make(chan os.Error, 100)
 
-	in_data := []byte { 56, 0, 0, 0, 26, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 7, 0, 0, 0, 13, 0, 0, 0, 0, 0, 2, 0, 123, 0, 0, 0, }
-	handle(fs, in_data, toW, errors)
-	return
+//	in_data := []byte { 56, 0, 0, 0, 26, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 7, 0, 0, 0, 13, 0, 0, 0, 0, 0, 2, 0, 123, 0, 0, 0, }
+//	handle(fs, in_data, toW, errors)
+//	return
 	
 	err := os.Mkdir(tempMountDir, 0777)
 	if err != nil {