func TestNewPointerType(t *testing.T) {
s_t, err := ffi.NewStructType("s_0", []ffi.Field{{"a", ffi.C_int32}})
if err != nil {
t.Errorf(err.Error())
}
p_s_t, err := ffi.NewPointerType(s_t)
if err != nil {
t.Errorf(err.Error())
}
for _, table := range []struct {
name string
elem ffi.Type
}{
{"int8*", ffi.C_int8},
{"int16*", ffi.C_int16},
{"int32*", ffi.C_int32},
{"int64*", ffi.C_int64},
{"uint8*", ffi.C_uint8},
{"uint16*", ffi.C_uint16},
{"uint32*", ffi.C_uint32},
{"uint64*", ffi.C_uint64},
{"float*", ffi.C_float},
{"double*", ffi.C_double},
{"s_0*", s_t},
{"s_0**", p_s_t},
} {
typ, err := ffi.NewPointerType(table.elem)
if err != nil {
t.Errorf(err.Error())
}
eq(t, table.name, typ.Name())
eq(t, table.elem, typ.Elem())
eq(t, ffi.C_pointer.Size(), typ.Size())
eq(t, ffi.Ptr, typ.Kind())
}
}
func TestNewSliceType(t *testing.T) {
capSize := 2 * unsafe.Sizeof(reflect.SliceHeader{}.Cap)
s_t, err := ffi.NewStructType("s_0", []ffi.Field{{"a", ffi.C_int32}})
if err != nil {
t.Errorf(err.Error())
}
p_s_t, err := ffi.NewPointerType(s_t)
if err != nil {
t.Errorf(err.Error())
}
for _, table := range []struct {
name string
elem ffi.Type
}{
{"uint8[]", ffi.C_uint8},
{"uint16[]", ffi.C_uint16},
{"uint32[]", ffi.C_uint32},
{"uint64[]", ffi.C_uint64},
{"int8[]", ffi.C_int8},
{"int16[]", ffi.C_int16},
{"int32[]", ffi.C_int32},
{"int64[]", ffi.C_int64},
{"float[]", ffi.C_float},
{"double[]", ffi.C_double},
{"s_0[]", s_t},
{"s_0*[]", p_s_t},
} {
typ, err := ffi.NewSliceType(table.elem)
if err != nil {
t.Errorf(err.Error())
}
eq(t, table.name, typ.Name())
eq(t, table.elem, typ.Elem())
eq(t, capSize+ffi.C_pointer.Size(), typ.Size())
//eq(t, table.n, typ.Len())
eq(t, ffi.Slice, typ.Kind())
}
}
func TestNewArrayType(t *testing.T) {
s_t, err := ffi.NewStructType("s_0", []ffi.Field{{"a", ffi.C_int32}})
if err != nil {
t.Errorf(err.Error())
}
p_s_t, err := ffi.NewPointerType(s_t)
if err != nil {
t.Errorf(err.Error())
}
for _, table := range []struct {
name string
n int
elem ffi.Type
}{
{"uint8[10]", 10, ffi.C_uint8},
{"uint16[10]", 10, ffi.C_uint16},
{"uint32[10]", 10, ffi.C_uint32},
{"uint64[10]", 10, ffi.C_uint64},
{"int8[10]", 10, ffi.C_int8},
{"int16[10]", 10, ffi.C_int16},
{"int32[10]", 10, ffi.C_int32},
{"int64[10]", 10, ffi.C_int64},
{"float[10]", 10, ffi.C_float},
{"double[10]", 10, ffi.C_double},
{"s_0[10]", 10, s_t},
{"s_0*[10]", 10, p_s_t},
} {
typ, err := ffi.NewArrayType(table.n, table.elem)
if err != nil {
t.Errorf(err.Error())
}
eq(t, table.name, typ.Name())
eq(t, table.elem, typ.Elem())
eq(t, uintptr(table.n)*table.elem.Size(), typ.Size())
eq(t, table.n, typ.Len())
eq(t, ffi.Array, typ.Kind())
}
}