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- allow wire type and receive type to differ.

Browse source 
- still TODO: ignoring struct fields.

R=rsc
DELTA=309  (240 added, 2 deleted, 67 changed)
OCL=31750
CL=31750
This commit is contained in:
Rob Pike 2009-07-16 17:55:16 -07:00
parent f3ffd93a61
commit 1399badb02
6 changed files with 302 additions and 64 deletions
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82
src/pkg/gob/codec_test.go
View file

@ -523,7 +523,6 @@ func TestScalarDecInstructions(t *testing.T) {
}
}
func TestEndToEnd(t *testing.T) {
type T2 struct {
t string
@ -553,7 +552,7 @@ func TestEndToEnd(t *testing.T) {
b := new(bytes.Buffer);
encode(b, t1);
var _t1 T1;
decode(b, &_t1);
decode(b, getTypeInfo(reflect.Typeof(_t1)).typeId, &_t1);
if !reflect.DeepEqual(t1, &_t1) {
t.Errorf("encode expected %v got %v", *t1, _t1);
}
@ -571,7 +570,7 @@ func TestNesting(t *testing.T) {
b := new(bytes.Buffer);
encode(b, rt);
var drt RT;
decode(b, &drt);
decode(b, getTypeInfo(reflect.Typeof(drt)).typeId, &drt);
if drt.a != rt.a {
t.Errorf("nesting: encode expected %v got %v", *rt, drt);
}
@ -613,7 +612,8 @@ func TestAutoIndirection(t *testing.T) {
b := new(bytes.Buffer);
encode(b, t1);
var t0 T0;
decode(b, &t0);
t0Id := getTypeInfo(reflect.Typeof(t0)).typeId;
decode(b, t0Id, &t0);
if t0.a != 17 || t0.b != 177 || t0.c != 1777 || t0.d != 17777 {
t.Errorf("t1->t0: expected {17 177 1777 17777}; got %v", t0);
}
@ -627,7 +627,7 @@ func TestAutoIndirection(t *testing.T) {
b.Reset();
encode(b, t2);
t0 = T0{};
decode(b, &t0);
decode(b, t0Id, &t0);
if t0.a != 17 || t0.b != 177 || t0.c != 1777 || t0.d != 17777 {
t.Errorf("t2->t0 expected {17 177 1777 17777}; got %v", t0);
}
@ -637,7 +637,8 @@ func TestAutoIndirection(t *testing.T) {
b.Reset();
encode(b, t0);
t1 = T1{};
decode(b, &t1);
t1Id := getTypeInfo(reflect.Typeof(t1)).typeId;
decode(b, t1Id, &t1);
if t1.a != 17 || *t1.b != 177 || **t1.c != 1777 || ***t1.d != 17777 {
t.Errorf("t0->t1 expected {17 177 1777 17777}; got {%d %d %d %d}", t1.a, *t1.b, **t1.c, ***t1.d);
}
@ -646,7 +647,8 @@ func TestAutoIndirection(t *testing.T) {
b.Reset();
encode(b, t0);
t2 = T2{};
decode(b, &t2);
t2Id := getTypeInfo(reflect.Typeof(t2)).typeId;
decode(b, t2Id, &t2);
if ***t2.a != 17 || **t2.b != 177 || *t2.c != 1777 || t2.d != 17777 {
t.Errorf("t0->t2 expected {17 177 1777 17777}; got {%d %d %d %d}", ***t2.a, **t2.b, *t2.c, t2.d);
}
@ -658,8 +660,72 @@ func TestAutoIndirection(t *testing.T) {
**t2.b = 0;
*t2.c = 0;
t2.d = 0;
decode(b, &t2);
decode(b, t2Id, &t2);
if ***t2.a != 17 || **t2.b != 177 || *t2.c != 1777 || t2.d != 17777 {
t.Errorf("t0->t2 expected {17 177 1777 17777}; got {%d %d %d %d}", ***t2.a, **t2.b, *t2.c, t2.d);
}
}
type RT0 struct {
a int;
b string;
c float;
}
type RT1 struct {
c float;
b string;
a int;
notSet string;
}
func TestReorderedFields(t *testing.T) {
var rt0 RT0;
rt0.a = 17;
rt0.b = "hello";
rt0.c = 3.14159;
b := new(bytes.Buffer);
encode(b, rt0);
rt0Id := getTypeInfo(reflect.Typeof(rt0)).typeId;
var rt1 RT1;
// Wire type is RT0, local type is RT1.
decode(b, rt0Id, &rt1);
if rt0.a != rt1.a || rt0.b != rt1.b || rt0.c != rt1.c {
t.Errorf("rt1->rt0: expected %v; got %v", rt0, rt1);
}
}
// Like an RT0 but with fields we'll ignore on the decode side.
type IT0 struct {
a int64;
b string;
ignore_d []int;
ignore_e [3]float;
ignore_f bool;
ignore_g string;
ignore_h []byte;
c float;
}
func TestIgnoredFields(t *testing.T) {
var it0 IT0;
it0.a = 17;
it0.b = "hello";
it0.c = 3.14159;
it0.ignore_d = []int{ 1, 2, 3 };
it0.ignore_e[0] = 1.0;
it0.ignore_e[1] = 2.0;
it0.ignore_e[2] = 3.0;
it0.ignore_f = true;
it0.ignore_g = "pay no attention";
it0.ignore_h = strings.Bytes("to the curtain");
b := new(bytes.Buffer);
encode(b, it0);
rt0Id := getTypeInfo(reflect.Typeof(it0)).typeId;
var rt1 RT1;
// Wire type is IT0, local type is RT1.
decode(b, rt0Id, &rt1);
if int(it0.a) != rt1.a || it0.b != rt1.b || it0.c != rt1.c {
t.Errorf("rt1->rt0: expected %v; got %v", it0, rt1);
}
}