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json: fix array -> non-array decoding

Fixes #773.

R=adg
CC=golang-dev
https://golang.org/cl/1120042
This commit is contained in:
Russ Cox 2010-05-11 14:38:55 -07:00
parent 916426ea76
commit 4e5bc6a8fe
2 changed files with 30 additions and 19 deletions

View File

@ -304,6 +304,9 @@ func (d *decodeState) array(v reflect.Value) {
av, ok := v.(reflect.ArrayOrSliceValue)
if !ok {
d.saveError(&UnmarshalTypeError{"array", v.Type()})
d.off--
d.next()
return
}
sv, _ := v.(*reflect.SliceValue)

View File

@ -6,38 +6,46 @@ package json
import (
"bytes"
"os"
"reflect"
"strings"
"testing"
)
type T struct {
X string
Y int
}
type unmarshalTest struct {
in string
ptr interface{}
out interface{}
err os.Error
}
var unmarshalTests = []unmarshalTest{
// basic types
unmarshalTest{`true`, new(bool), true},
unmarshalTest{`1`, new(int), 1},
unmarshalTest{`1.2`, new(float), 1.2},
unmarshalTest{`-5`, new(int16), int16(-5)},
unmarshalTest{`"a\u1234"`, new(string), "a\u1234"},
unmarshalTest{`"http:\/\/"`, new(string), "http://"},
unmarshalTest{`"g-clef: \uD834\uDD1E"`, new(string), "g-clef: \U0001D11E"},
unmarshalTest{`"invalid: \uD834x\uDD1E"`, new(string), "invalid: \uFFFDx\uFFFD"},
unmarshalTest{"null", new(interface{}), nil},
unmarshalTest{`true`, new(bool), true, nil},
unmarshalTest{`1`, new(int), 1, nil},
unmarshalTest{`1.2`, new(float), 1.2, nil},
unmarshalTest{`-5`, new(int16), int16(-5), nil},
unmarshalTest{`"a\u1234"`, new(string), "a\u1234", nil},
unmarshalTest{`"http:\/\/"`, new(string), "http://", nil},
unmarshalTest{`"g-clef: \uD834\uDD1E"`, new(string), "g-clef: \U0001D11E", nil},
unmarshalTest{`"invalid: \uD834x\uDD1E"`, new(string), "invalid: \uFFFDx\uFFFD", nil},
unmarshalTest{"null", new(interface{}), nil, nil},
unmarshalTest{`{"X": [1,2,3], "Y": 4}`, new(T), T{Y: 4}, &UnmarshalTypeError{"array", reflect.Typeof("")}},
// composite tests
unmarshalTest{allValueIndent, new(All), allValue},
unmarshalTest{allValueCompact, new(All), allValue},
unmarshalTest{allValueIndent, new(*All), &allValue},
unmarshalTest{allValueCompact, new(*All), &allValue},
unmarshalTest{pallValueIndent, new(All), pallValue},
unmarshalTest{pallValueCompact, new(All), pallValue},
unmarshalTest{pallValueIndent, new(*All), &pallValue},
unmarshalTest{pallValueCompact, new(*All), &pallValue},
unmarshalTest{allValueIndent, new(All), allValue, nil},
unmarshalTest{allValueCompact, new(All), allValue, nil},
unmarshalTest{allValueIndent, new(*All), &allValue, nil},
unmarshalTest{allValueCompact, new(*All), &allValue, nil},
unmarshalTest{pallValueIndent, new(All), pallValue, nil},
unmarshalTest{pallValueCompact, new(All), pallValue, nil},
unmarshalTest{pallValueIndent, new(*All), &pallValue, nil},
unmarshalTest{pallValueCompact, new(*All), &pallValue, nil},
}
func TestMarshal(t *testing.T) {
@ -73,8 +81,8 @@ func TestUnmarshal(t *testing.T) {
// v = new(right-type)
v := reflect.NewValue(tt.ptr).(*reflect.PtrValue)
v.PointTo(reflect.MakeZero(v.Type().(*reflect.PtrType).Elem()))
if err := Unmarshal([]byte(in), v.Interface()); err != nil {
t.Errorf("#%d: %v", i, err)
if err := Unmarshal([]byte(in), v.Interface()); !reflect.DeepEqual(err, tt.err) {
t.Errorf("#%d: %v want %v", i, err, tt.err)
continue
}
if !reflect.DeepEqual(v.Elem().Interface(), tt.out) {