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// Copyright 2011 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
 
package xml
 
import (
        "reflect"
        "strconv"
        "strings"
        "testing"
)
 
type DriveType int
 
const (
        HyperDrive DriveType = iota
        ImprobabilityDrive
)
 
type Passenger struct {
        Name   []string `xml:"name"`
        Weight float32  `xml:"weight"`
}
 
type Ship struct {
        XMLName struct{} `xml:"spaceship"`
 
        Name      string       `xml:"name,attr"`
        Pilot     string       `xml:"pilot,attr"`
        Drive     DriveType    `xml:"drive"`
        Age       uint         `xml:"age"`
        Passenger []*Passenger `xml:"passenger"`
        secret    string
}
 
type NamedType string
 
type Port struct {
        XMLName struct{} `xml:"port"`
        Type    string   `xml:"type,attr"`
        Comment string   `xml:",comment"`
        Number  string   `xml:",chardata"`
}
 
type Domain struct {
        XMLName struct{} `xml:"domain"`
        Country string   `xml:",attr"`
        Name    []byte   `xml:",chardata"`
        Comment []byte   `xml:",comment"`
}
 
type Book struct {
        XMLName struct{} `xml:"book"`
        Title   string   `xml:",chardata"`
}
 
type SecretAgent struct {
        XMLName   struct{} `xml:"agent"`
        Handle    string   `xml:"handle,attr"`
        Identity  string
        Obfuscate string `xml:",innerxml"`
}
 
type NestedItems struct {
        XMLName struct{} `xml:"result"`
        Items   []string `xml:">item"`
        Item1   []string `xml:"Items>item1"`
}
 
type NestedOrder struct {
        XMLName struct{} `xml:"result"`
        Field1  string   `xml:"parent>c"`
        Field2  string   `xml:"parent>b"`
        Field3  string   `xml:"parent>a"`
}
 
type MixedNested struct {
        XMLName struct{} `xml:"result"`
        A       string   `xml:"parent1>a"`
        B       string   `xml:"b"`
        C       string   `xml:"parent1>parent2>c"`
        D       string   `xml:"parent1>d"`
}
 
type NilTest struct {
        A interface{} `xml:"parent1>parent2>a"`
        B interface{} `xml:"parent1>b"`
        C interface{} `xml:"parent1>parent2>c"`
}
 
type Service struct {
        XMLName struct{} `xml:"service"`
        Domain  *Domain  `xml:"host>domain"`
        Port    *Port    `xml:"host>port"`
        Extra1  interface{}
        Extra2  interface{} `xml:"host>extra2"`
}
 
var nilStruct *Ship
 
type EmbedA struct {
        EmbedC
        EmbedB EmbedB
        FieldA string
}
 
type EmbedB struct {
        FieldB string
        EmbedC
}
 
type EmbedC struct {
        FieldA1 string `xml:"FieldA>A1"`
        FieldA2 string `xml:"FieldA>A2"`
        FieldB  string
        FieldC  string
}
 
type NameCasing struct {
        XMLName struct{} `xml:"casing"`
        Xy      string
        XY      string
        XyA     string `xml:"Xy,attr"`
        XYA     string `xml:"XY,attr"`
}
 
type NamePrecedence struct {
        XMLName     Name              `xml:"Parent"`
        FromTag     XMLNameWithoutTag `xml:"InTag"`
        FromNameVal XMLNameWithoutTag
        FromNameTag XMLNameWithTag
        InFieldName string
}
 
type XMLNameWithTag struct {
        XMLName Name   `xml:"InXMLNameTag"`
        Value   string ",chardata"
}
 
type XMLNameWithoutTag struct {
        XMLName Name
        Value   string ",chardata"
}
 
type NameInField struct {
        Foo Name `xml:"ns foo"`
}
 
type AttrTest struct {
        Int   int     `xml:",attr"`
        Lower int     `xml:"int,attr"`
        Float float64 `xml:",attr"`
        Uint8 uint8   `xml:",attr"`
        Bool  bool    `xml:",attr"`
        Str   string  `xml:",attr"`
}
 
type AnyTest struct {
        XMLName  struct{}  `xml:"a"`
        Nested   string    `xml:"nested>value"`
        AnyField AnyHolder `xml:",any"`
}
 
type AnyHolder struct {
        XMLName Name
        XML     string `xml:",innerxml"`
}
 
type RecurseA struct {
        A string
        B *RecurseB
}
 
type RecurseB struct {
        A *RecurseA
        B string
}
 
type PresenceTest struct {
        Exists *struct{}
}
 
type IgnoreTest struct {
        PublicSecret string `xml:"-"`
}
 
type MyBytes []byte
 
type Data struct {
        Bytes  []byte
        Attr   []byte `xml:",attr"`
        Custom MyBytes
}
 
type Plain struct {
        V interface{}
}
 
// Unless explicitly stated as such (or *Plain), all of the
// tests below are two-way tests. When introducing new tests,
// please try to make them two-way as well to ensure that
// marshalling and unmarshalling are as symmetrical as feasible.
var marshalTests = []struct {
        Value         interface{}
        ExpectXML     string
        MarshalOnly   bool
        UnmarshalOnly bool
}{
        // Test nil marshals to nothing
        {Value: nil, ExpectXML: ``, MarshalOnly: true},
        {Value: nilStruct, ExpectXML: ``, MarshalOnly: true},
 
        // Test value types
        {Value: &Plain{true}, ExpectXML: `true`},
        {Value: &Plain{false}, ExpectXML: `false`},
        {Value: &Plain{int(42)}, ExpectXML: `42`},
        {Value: &Plain{int8(42)}, ExpectXML: `42`},
        {Value: &Plain{int16(42)}, ExpectXML: `42`},
        {Value: &Plain{int32(42)}, ExpectXML: `42`},
        {Value: &Plain{uint(42)}, ExpectXML: `42`},
        {Value: &Plain{uint8(42)}, ExpectXML: `42`},
        {Value: &Plain{uint16(42)}, ExpectXML: `42`},
        {Value: &Plain{uint32(42)}, ExpectXML: `42`},
        {Value: &Plain{float32(1.25)}, ExpectXML: `1.25`},
        {Value: &Plain{float64(1.25)}, ExpectXML: `1.25`},
        {Value: &Plain{uintptr(0xFFDD)}, ExpectXML: `65501`},
        {Value: &Plain{"gopher"}, ExpectXML: `gopher`},
        {Value: &Plain{[]byte("gopher")}, ExpectXML: `gopher`},
        {Value: &Plain{""}, ExpectXML: `</>`},
        {Value: &Plain{[]byte("")}, ExpectXML: `</>`},
        {Value: &Plain{[3]byte{'<', '/', '>'}}, ExpectXML: `</>`},
        {Value: &Plain{NamedType("potato")}, ExpectXML: `potato`},
        {Value: &Plain{[]int{1, 2, 3}}, ExpectXML: `123`},
        {Value: &Plain{[3]int{1, 2, 3}}, ExpectXML: `123`},
 
        // A pointer to struct{} may be used to test for an element's presence.
        {
                Value:     &PresenceTest{new(struct{})},
                ExpectXML: ``,
        },
        {
                Value:     &PresenceTest{},
                ExpectXML: ``,
        },
 
        // A pointer to struct{} may be used to test for an element's presence.
        {
                Value:     &PresenceTest{new(struct{})},
                ExpectXML: ``,
        },
        {
                Value:     &PresenceTest{},
                ExpectXML: ``,
        },
 
        // A []byte field is only nil if the element was not found.
        {
                Value:         &Data{},
                ExpectXML:     ``,
                UnmarshalOnly: true,
        },
        {
                Value:         &Data{Bytes: []byte{}, Custom: MyBytes{}, Attr: []byte{}},
                ExpectXML:     ``,
                UnmarshalOnly: true,
        },
 
        // Check that []byte works, including named []byte types.
        {
                Value:     &Data{Bytes: []byte("ab"), Custom: MyBytes("cd"), Attr: []byte{'v'}},
                ExpectXML: `abcd`,
        },
 
        // Test innerxml
        {
                Value: &SecretAgent{
                        Handle:    "007",
                        Identity:  "James Bond",
                        Obfuscate: "",
                },
                ExpectXML:   `James Bond`,
                MarshalOnly: true,
        },
        {
                Value: &SecretAgent{
                        Handle:    "007",
                        Identity:  "James Bond",
                        Obfuscate: "James Bond",
                },
                ExpectXML:     `James Bond`,
                UnmarshalOnly: true,
        },
 
        // Test structs
        {Value: &Port{Type: "ssl", Number: "443"}, ExpectXML: `443`},
        {Value: &Port{Number: "443"}, ExpectXML: `443`},
        {Value: &Port{Type: ""}, ExpectXML: ``},
        {Value: &Port{Number: "443", Comment: "https"}, ExpectXML: `443`},
        {Value: &Port{Number: "443", Comment: "add space-"}, ExpectXML: `443`, MarshalOnly: true},
        {Value: &Domain{Name: []byte("google.com&friends")}, ExpectXML: `google.com&friends`},
        {Value: &Domain{Name: []byte("google.com"), Comment: []byte(" &friends ")}, ExpectXML: `google.com`},
        {Value: &Book{Title: "Pride & Prejudice"}, ExpectXML: `Pride & Prejudice`},
        {Value: atomValue, ExpectXML: atomXml},
        {
                Value: &Ship{
                        Name:  "Heart of Gold",
                        Pilot: "Computer",
                        Age:   1,
                        Drive: ImprobabilityDrive,
                        Passenger: []*Passenger{
                                {
                                        Name:   []string{"Zaphod", "Beeblebrox"},
                                        Weight: 7.25,
                                },
                                {
                                        Name:   []string{"Trisha", "McMillen"},
                                        Weight: 5.5,
                                },
                                {
                                        Name:   []string{"Ford", "Prefect"},
                                        Weight: 7,
                                },
                                {
                                        Name:   []string{"Arthur", "Dent"},
                                        Weight: 6.75,
                                },
                        },
                },
                ExpectXML: `` +
                        `` + strconv.Itoa(int(ImprobabilityDrive)) + `` +
                        `1` +
                        `` +
                        `Zaphod` +
                        `Beeblebrox` +
                        `7.25` +
                        `` +
                        `` +
                        `Trisha` +
                        `McMillen` +
                        `5.5` +
                        `` +
                        `` +
                        `Ford` +
                        `Prefect` +
                        `7` +
                        `` +
                        `` +
                        `Arthur` +
                        `Dent` +
                        `6.75` +
                        `` +
                        ``,
        },
 
        // Test a>b
        {
                Value: &NestedItems{Items: nil, Item1: nil},
                ExpectXML: `` +
                        `` +
                        `` +
                        ``,
        },
        {
                Value: &NestedItems{Items: []string{}, Item1: []string{}},
                ExpectXML: `` +
                        `` +
                        `` +
                        ``,
                MarshalOnly: true,
        },
        {
                Value: &NestedItems{Items: nil, Item1: []string{"A"}},
                ExpectXML: `` +
                        `` +
                        `A` +
                        `` +
                        ``,
        },
        {
                Value: &NestedItems{Items: []string{"A", "B"}, Item1: nil},
                ExpectXML: `` +
                        `` +
                        `A` +
                        `B` +
                        `` +
                        ``,
        },
        {
                Value: &NestedItems{Items: []string{"A", "B"}, Item1: []string{"C"}},
                ExpectXML: `` +
                        `` +
                        `A` +
                        `B` +
                        `C` +
                        `` +
                        ``,
        },
        {
                Value: &NestedOrder{Field1: "C", Field2: "B", Field3: "A"},
                ExpectXML: `` +
                        `` +
                        `C` +
                        `B` +
                        `A` +
                        `` +
                        ``,
        },
        {
                Value: &NilTest{A: "A", B: nil, C: "C"},
                ExpectXML: `` +
                        `` +
                        `A` +
                        `C` +
                        `` +
                        ``,
                MarshalOnly: true, // Uses interface{}
        },
        {
                Value: &MixedNested{A: "A", B: "B", C: "C", D: "D"},
                ExpectXML: `` +
                        `A` +
                        `B` +
                        `` +
                        `C` +
                        `D` +
                        `` +
                        ``,
        },
        {
                Value:     &Service{Port: &Port{Number: "80"}},
                ExpectXML: `80`,
        },
        {
                Value:     &Service{},
                ExpectXML: ``,
        },
        {
                Value: &Service{Port: &Port{Number: "80"}, Extra1: "A", Extra2: "B"},
                ExpectXML: `` +
                        `80` +
                        `A` +
                        `B` +
                        ``,
                MarshalOnly: true,
        },
        {
                Value: &Service{Port: &Port{Number: "80"}, Extra2: "example"},
                ExpectXML: `` +
                        `80` +
                        `example` +
                        ``,
                MarshalOnly: true,
        },
 
        // Test struct embedding
        {
                Value: &EmbedA{
                        EmbedC: EmbedC{
                                FieldA1: "", // Shadowed by A.A
                                FieldA2: "", // Shadowed by A.A
                                FieldB:  "A.C.B",
                                FieldC:  "A.C.C",
                        },
                        EmbedB: EmbedB{
                                FieldB: "A.B.B",
                                EmbedC: EmbedC{
                                        FieldA1: "A.B.C.A1",
                                        FieldA2: "A.B.C.A2",
                                        FieldB:  "", // Shadowed by A.B.B
                                        FieldC:  "A.B.C.C",
                                },
                        },
                        FieldA: "A.A",
                },
                ExpectXML: `` +
                        `A.C.B` +
                        `A.C.C` +
                        `` +
                        `A.B.B` +
                        `` +
                        `A.B.C.A1` +
                        `A.B.C.A2` +
                        `` +
                        `A.B.C.C` +
                        `` +
                        `A.A` +
                        ``,
        },
 
        // Test that name casing matters
        {
                Value:     &NameCasing{Xy: "mixed", XY: "upper", XyA: "mixedA", XYA: "upperA"},
                ExpectXML: `mixedupper`,
        },
 
        // Test the order in which the XML element name is chosen
        {
                Value: &NamePrecedence{
                        FromTag:     XMLNameWithoutTag{Value: "A"},
                        FromNameVal: XMLNameWithoutTag{XMLName: Name{Local: "InXMLName"}, Value: "B"},
                        FromNameTag: XMLNameWithTag{Value: "C"},
                        InFieldName: "D",
                },
                ExpectXML: `` +
                        `A` +
                        `B` +
                        `C` +
                        `D` +
                        ``,
                MarshalOnly: true,
        },
        {
                Value: &NamePrecedence{
                        XMLName:     Name{Local: "Parent"},
                        FromTag:     XMLNameWithoutTag{XMLName: Name{Local: "InTag"}, Value: "A"},
                        FromNameVal: XMLNameWithoutTag{XMLName: Name{Local: "FromNameVal"}, Value: "B"},
                        FromNameTag: XMLNameWithTag{XMLName: Name{Local: "InXMLNameTag"}, Value: "C"},
                        InFieldName: "D",
                },
                ExpectXML: `` +
                        `A` +
                        `B` +
                        `C` +
                        `D` +
                        ``,
                UnmarshalOnly: true,
        },
 
        // xml.Name works in a plain field as well.
        {
                Value:     &NameInField{Name{Space: "ns", Local: "foo"}},
                ExpectXML: ``,
        },
        {
                Value:         &NameInField{Name{Space: "ns", Local: "foo"}},
                ExpectXML:     ``,
                UnmarshalOnly: true,
        },
 
        // Marshaling zero xml.Name uses the tag or field name.
        {
                Value:       &NameInField{},
                ExpectXML:   ``,
                MarshalOnly: true,
        },
 
        // Test attributes
        {
                Value: &AttrTest{
                        Int:   8,
                        Lower: 9,
                        Float: 23.5,
                        Uint8: 255,
                        Bool:  true,
                        Str:   "s",
                },
                ExpectXML: ``,
        },
 
        // Test ",any"
        {
                ExpectXML: `knownunknown`,
                Value: &AnyTest{
                        Nested: "known",
                        AnyField: AnyHolder{
                                XMLName: Name{Local: "other"},
                                XML:     "unknown",
                        },
                },
                UnmarshalOnly: true,
        },
        {
                Value:       &AnyTest{Nested: "known", AnyField: AnyHolder{XML: ""}},
                ExpectXML:   `known`,
                MarshalOnly: true,
        },
 
        // Test recursive types.
        {
                Value: &RecurseA{
                        A: "a1",
                        B: &RecurseB{
                                A: &RecurseA{"a2", nil},
                                B: "b1",
                        },
                },
                ExpectXML: `a1a2b1`,
        },
 
        // Test ignoring fields via "-" tag
        {
                ExpectXML: ``,
                Value:     &IgnoreTest{},
        },
        {
                ExpectXML:   ``,
                Value:       &IgnoreTest{PublicSecret: "can't tell"},
                MarshalOnly: true,
        },
        {
                ExpectXML:     `ignore me`,
                Value:         &IgnoreTest{},
                UnmarshalOnly: true,
        },
}
 
func TestMarshal(t *testing.T) {
        for idx, test := range marshalTests {
                if test.UnmarshalOnly {
                        continue
                }
                data, err := Marshal(test.Value)
                if err != nil {
                        t.Errorf("#%d: Error: %s", idx, err)
                        continue
                }
                if got, want := string(data), test.ExpectXML; got != want {
                        if strings.Contains(want, "\n") {
                                t.Errorf("#%d: marshal(%#v):\nHAVE:\n%s\nWANT:\n%s", idx, test.Value, got, want)
                        } else {
                                t.Errorf("#%d: marshal(%#v):\nhave %#q\nwant %#q", idx, test.Value, got, want)
                        }
                }
        }
}
 
var marshalErrorTests = []struct {
        Value interface{}
        Err   string
        Kind  reflect.Kind
}{
        {
                Value: make(chan bool),
                Err:   "xml: unsupported type: chan bool",
                Kind:  reflect.Chan,
        },
        {
                Value: map[string]string{
                        "question": "What do you get when you multiply six by nine?",
                        "answer":   "42",
                },
                Err:  "xml: unsupported type: map[string]string",
                Kind: reflect.Map,
        },
        {
                Value: map[*Ship]bool{nil: false},
                Err:   "xml: unsupported type: map[*xml.Ship]bool",
                Kind:  reflect.Map,
        },
        {
                Value: &Domain{Comment: []byte("f--bar")},
                Err:   `xml: comments must not contain "--"`,
        },
}
 
func TestMarshalErrors(t *testing.T) {
        for idx, test := range marshalErrorTests {
                _, err := Marshal(test.Value)
                if err == nil || err.Error() != test.Err {
                        t.Errorf("#%d: marshal(%#v) = [error] %v, want %v", idx, test.Value, err, test.Err)
                }
                if test.Kind != reflect.Invalid {
                        if kind := err.(*UnsupportedTypeError).Type.Kind(); kind != test.Kind {
                                t.Errorf("#%d: marshal(%#v) = [error kind] %s, want %s", idx, test.Value, kind, test.Kind)
                        }
                }
        }
}
 
// Do invertibility testing on the various structures that we test
func TestUnmarshal(t *testing.T) {
        for i, test := range marshalTests {
                if test.MarshalOnly {
                        continue
                }
                if _, ok := test.Value.(*Plain); ok {
                        continue
                }
 
                vt := reflect.TypeOf(test.Value)
                dest := reflect.New(vt.Elem()).Interface()
                err := Unmarshal([]byte(test.ExpectXML), dest)
 
                switch fix := dest.(type) {
                case *Feed:
                        fix.Author.InnerXML = ""
                        for i := range fix.Entry {
                                fix.Entry[i].Author.InnerXML = ""
                        }
                }
 
                if err != nil {
                        t.Errorf("#%d: unexpected error: %#v", i, err)
                } else if got, want := dest, test.Value; !reflect.DeepEqual(got, want) {
                        t.Errorf("#%d: unmarshal(%q):\nhave %#v\nwant %#v", i, test.ExpectXML, got, want)
                }
        }
}
 
func BenchmarkMarshal(b *testing.B) {
        for i := 0; i < b.N; i++ {
                Marshal(atomValue)
        }
}
 
func BenchmarkUnmarshal(b *testing.B) {
        xml := []byte(atomXml)
        for i := 0; i < b.N; i++ {
                Unmarshal(xml, &Feed{})
        }
}

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Subversion Repositories openrisc

[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [libgo/] [go/] [encoding/] [xml/] [marshal_test.go] - Blame information for rev 747

Line No.	Rev	Author	Line
1	747	jeremybenn	`// Copyright 2011 The Go Authors. All rights reserved.`
2			`// Use of this source code is governed by a BSD-style`
3			`// license that can be found in the LICENSE file.`
4
5			`package xml`
6
7			`import (`
8			`"reflect"`
9			`"strconv"`
10			`"strings"`
11			`"testing"`
12			`)`
13
14			`type DriveType int`
15
16			`const (`
17			`HyperDrive DriveType = iota`
18			`ImprobabilityDrive`
19			`)`
20
21			`type Passenger struct {`
22			Name []string `xml:"name"`
23			Weight float32 `xml:"weight"`
24			`}`
25
26			`type Ship struct {`
27			XMLName struct{} `xml:"spaceship"`
28
29			Name string `xml:"name,attr"`
30			Pilot string `xml:"pilot,attr"`
31			Drive DriveType `xml:"drive"`
32			Age uint `xml:"age"`
33			Passenger []*Passenger `xml:"passenger"`
34			`secret string`
35			`}`
36
37			`type NamedType string`
38
39			`type Port struct {`
40			XMLName struct{} `xml:"port"`
41			Type string `xml:"type,attr"`
42			Comment string `xml:",comment"`
43			Number string `xml:",chardata"`
44			`}`
45
46			`type Domain struct {`
47			XMLName struct{} `xml:"domain"`
48			Country string `xml:",attr"`
49			Name []byte `xml:",chardata"`
50			Comment []byte `xml:",comment"`
51			`}`
52
53			`type Book struct {`
54			XMLName struct{} `xml:"book"`
55			Title string `xml:",chardata"`
56			`}`
57
58			`type SecretAgent struct {`
59			XMLName struct{} `xml:"agent"`
60			Handle string `xml:"handle,attr"`
61			`Identity string`
62			Obfuscate string `xml:",innerxml"`
63			`}`
64
65			`type NestedItems struct {`
66			XMLName struct{} `xml:"result"`
67			Items []string `xml:">item"`
68			Item1 []string `xml:"Items>item1"`
69			`}`
70
71			`type NestedOrder struct {`
72			XMLName struct{} `xml:"result"`
73			Field1 string `xml:"parent>c"`
74			Field2 string `xml:"parent>b"`
75			Field3 string `xml:"parent>a"`
76			`}`
77
78			`type MixedNested struct {`
79			XMLName struct{} `xml:"result"`
80			A string `xml:"parent1>a"`
81			B string `xml:"b"`
82			C string `xml:"parent1>parent2>c"`
83			D string `xml:"parent1>d"`
84			`}`
85
86			`type NilTest struct {`
87			A interface{} `xml:"parent1>parent2>a"`
88			B interface{} `xml:"parent1>b"`
89			C interface{} `xml:"parent1>parent2>c"`
90			`}`
91
92			`type Service struct {`
93			XMLName struct{} `xml:"service"`
94			Domain *Domain `xml:"host>domain"`
95			Port *Port `xml:"host>port"`
96			`Extra1 interface{}`
97			Extra2 interface{} `xml:"host>extra2"`
98			`}`
99
100			`var nilStruct *Ship`
101
102			`type EmbedA struct {`
103			`EmbedC`
104			`EmbedB EmbedB`
105			`FieldA string`
106			`}`
107
108			`type EmbedB struct {`
109			`FieldB string`
110			`EmbedC`
111			`}`
112
113			`type EmbedC struct {`
114			FieldA1 string `xml:"FieldA>A1"`
115			FieldA2 string `xml:"FieldA>A2"`
116			`FieldB string`
117			`FieldC string`
118			`}`
119
120			`type NameCasing struct {`
121			XMLName struct{} `xml:"casing"`
122			`Xy string`
123			`XY string`
124			XyA string `xml:"Xy,attr"`
125			XYA string `xml:"XY,attr"`
126			`}`
127
128			`type NamePrecedence struct {`
129			XMLName Name `xml:"Parent"`
130			FromTag XMLNameWithoutTag `xml:"InTag"`
131			`FromNameVal XMLNameWithoutTag`
132			`FromNameTag XMLNameWithTag`
133			`InFieldName string`
134			`}`
135
136			`type XMLNameWithTag struct {`
137			XMLName Name `xml:"InXMLNameTag"`
138			`Value string ",chardata"`
139			`}`
140
141			`type XMLNameWithoutTag struct {`
142			`XMLName Name`
143			`Value string ",chardata"`
144			`}`
145
146			`type NameInField struct {`
147			Foo Name `xml:"ns foo"`
148			`}`
149
150			`type AttrTest struct {`
151			Int int `xml:",attr"`
152			Lower int `xml:"int,attr"`
153			Float float64 `xml:",attr"`
154			Uint8 uint8 `xml:",attr"`
155			Bool bool `xml:",attr"`
156			Str string `xml:",attr"`
157			`}`
158
159			`type AnyTest struct {`
160			XMLName struct{} `xml:"a"`
161			Nested string `xml:"nested>value"`
162			AnyField AnyHolder `xml:",any"`
163			`}`
164
165			`type AnyHolder struct {`
166			`XMLName Name`
167			XML string `xml:",innerxml"`
168			`}`
169
170			`type RecurseA struct {`
171			`A string`
172			`B *RecurseB`
173			`}`
174
175			`type RecurseB struct {`
176			`A *RecurseA`
177			`B string`
178			`}`
179
180			`type PresenceTest struct {`
181			`Exists *struct{}`
182			`}`
183
184			`type IgnoreTest struct {`
185			PublicSecret string `xml:"-"`
186			`}`
187
188			`type MyBytes []byte`
189
190			`type Data struct {`
191			`Bytes []byte`
192			Attr []byte `xml:",attr"`
193			`Custom MyBytes`
194			`}`
195
196			`type Plain struct {`
197			`V interface{}`
198			`}`
199
200			`// Unless explicitly stated as such (or *Plain), all of the`
201			`// tests below are two-way tests. When introducing new tests,`
202			`// please try to make them two-way as well to ensure that`
203			`// marshalling and unmarshalling are as symmetrical as feasible.`
204			`var marshalTests = []struct {`
205			`Value interface{}`
206			`ExpectXML string`
207			`MarshalOnly bool`
208			`UnmarshalOnly bool`
209			`}{`
210			`// Test nil marshals to nothing`
211			{Value: nil, ExpectXML: ``, MarshalOnly: true},
212			{Value: nilStruct, ExpectXML: ``, MarshalOnly: true},
213
214			`// Test value types`
215			{Value: &Plain{true}, ExpectXML: `true`},
216			{Value: &Plain{false}, ExpectXML: `false`},
217			{Value: &Plain{int(42)}, ExpectXML: `42`},
218			{Value: &Plain{int8(42)}, ExpectXML: `42`},
219			{Value: &Plain{int16(42)}, ExpectXML: `42`},
220			{Value: &Plain{int32(42)}, ExpectXML: `42`},
221			{Value: &Plain{uint(42)}, ExpectXML: `42`},
222			{Value: &Plain{uint8(42)}, ExpectXML: `42`},
223			{Value: &Plain{uint16(42)}, ExpectXML: `42`},
224			{Value: &Plain{uint32(42)}, ExpectXML: `42`},
225			{Value: &Plain{float32(1.25)}, ExpectXML: `1.25`},
226			{Value: &Plain{float64(1.25)}, ExpectXML: `1.25`},
227			{Value: &Plain{uintptr(0xFFDD)}, ExpectXML: `65501`},
228			{Value: &Plain{"gopher"}, ExpectXML: `gopher`},
229			{Value: &Plain{[]byte("gopher")}, ExpectXML: `gopher`},
230			{Value: &Plain{""}, ExpectXML: `</>`},
231			{Value: &Plain{[]byte("")}, ExpectXML: `</>`},
232			{Value: &Plain{[3]byte{'<', '/', '>'}}, ExpectXML: `</>`},
233			{Value: &Plain{NamedType("potato")}, ExpectXML: `potato`},
234			{Value: &Plain{[]int{1, 2, 3}}, ExpectXML: `123`},
235			{Value: &Plain{[3]int{1, 2, 3}}, ExpectXML: `123`},
236
237			`// A pointer to struct{} may be used to test for an element's presence.`
238			`{`
239			`Value: &PresenceTest{new(struct{})},`
240			ExpectXML: ``,
241			`},`
242			`{`
243			`Value: &PresenceTest{},`
244			ExpectXML: ``,
245			`},`
246
247			`// A pointer to struct{} may be used to test for an element's presence.`
248			`{`
249			`Value: &PresenceTest{new(struct{})},`
250			ExpectXML: ``,
251			`},`
252			`{`
253			`Value: &PresenceTest{},`
254			ExpectXML: ``,
255			`},`
256
257			`// A []byte field is only nil if the element was not found.`
258			`{`
259			`Value: &Data{},`
260			ExpectXML: ``,
261			`UnmarshalOnly: true,`
262			`},`
263			`{`
264			`Value: &Data{Bytes: []byte{}, Custom: MyBytes{}, Attr: []byte{}},`
265			ExpectXML: ``,
266			`UnmarshalOnly: true,`
267			`},`
268
269			`// Check that []byte works, including named []byte types.`
270			`{`
271			`Value: &Data{Bytes: []byte("ab"), Custom: MyBytes("cd"), Attr: []byte{'v'}},`
272			ExpectXML: `abcd`,
273			`},`
274
275			`// Test innerxml`
276			`{`
277			`Value: &SecretAgent{`
278			`Handle: "007",`
279			`Identity: "James Bond",`
280			`Obfuscate: "",`
281			`},`
282			ExpectXML: `James Bond`,
283			`MarshalOnly: true,`
284			`},`
285			`{`
286			`Value: &SecretAgent{`
287			`Handle: "007",`
288			`Identity: "James Bond",`
289			`Obfuscate: "James Bond",`
290			`},`
291			ExpectXML: `James Bond`,
292			`UnmarshalOnly: true,`
293			`},`
294
295			`// Test structs`
296			{Value: &Port{Type: "ssl", Number: "443"}, ExpectXML: `443`},
297			{Value: &Port{Number: "443"}, ExpectXML: `443`},
298			{Value: &Port{Type: ""}, ExpectXML: ``},
299			{Value: &Port{Number: "443", Comment: "https"}, ExpectXML: `443`},
300			{Value: &Port{Number: "443", Comment: "add space-"}, ExpectXML: `443`, MarshalOnly: true},
301			{Value: &Domain{Name: []byte("google.com&friends")}, ExpectXML: `google.com&friends`},
302			{Value: &Domain{Name: []byte("google.com"), Comment: []byte(" &friends ")}, ExpectXML: `google.com`},
303			{Value: &Book{Title: "Pride & Prejudice"}, ExpectXML: `Pride & Prejudice`},
304			`{Value: atomValue, ExpectXML: atomXml},`
305			`{`
306			`Value: &Ship{`
307			`Name: "Heart of Gold",`
308			`Pilot: "Computer",`
309			`Age: 1,`
310			`Drive: ImprobabilityDrive,`
311			`Passenger: []*Passenger{`
312			`{`
313			`Name: []string{"Zaphod", "Beeblebrox"},`
314			`Weight: 7.25,`
315			`},`
316			`{`
317			`Name: []string{"Trisha", "McMillen"},`
318			`Weight: 5.5,`
319			`},`
320			`{`
321			`Name: []string{"Ford", "Prefect"},`
322			`Weight: 7,`
323			`},`
324			`{`
325			`Name: []string{"Arthur", "Dent"},`
326			`Weight: 6.75,`
327			`},`
328			`},`
329			`},`
330			ExpectXML: `` +
331			`` + strconv.Itoa(int(ImprobabilityDrive)) + `` +
332			`1` +
333			`` +
334			`Zaphod` +
335			`Beeblebrox` +
336			`7.25` +
337			`` +
338			`` +
339			`Trisha` +
340			`McMillen` +
341			`5.5` +
342			`` +
343			`` +
344			`Ford` +
345			`Prefect` +
346			`7` +
347			`` +
348			`` +
349			`Arthur` +
350			`Dent` +
351			`6.75` +
352			`` +
353			``,
354			`},`
355
356			`// Test a>b`
357			`{`
358			`Value: &NestedItems{Items: nil, Item1: nil},`
359			ExpectXML: `` +
360			`` +
361			`` +
362			``,
363			`},`
364			`{`
365			`Value: &NestedItems{Items: []string{}, Item1: []string{}},`
366			ExpectXML: `` +
367			`` +
368			`` +
369			``,
370			`MarshalOnly: true,`
371			`},`
372			`{`
373			`Value: &NestedItems{Items: nil, Item1: []string{"A"}},`
374			ExpectXML: `` +
375			`` +
376			`A` +
377			`` +
378			``,
379			`},`
380			`{`
381			`Value: &NestedItems{Items: []string{"A", "B"}, Item1: nil},`
382			ExpectXML: `` +
383			`` +
384			`A` +
385			`B` +
386			`` +
387			``,
388			`},`
389			`{`
390			`Value: &NestedItems{Items: []string{"A", "B"}, Item1: []string{"C"}},`
391			ExpectXML: `` +
392			`` +
393			`A` +
394			`B` +
395			`C` +
396			`` +
397			``,
398			`},`
399			`{`
400			`Value: &NestedOrder{Field1: "C", Field2: "B", Field3: "A"},`
401			ExpectXML: `` +
402			`` +
403			`C` +
404			`B` +
405			`A` +
406			`` +
407			``,
408			`},`
409			`{`
410			`Value: &NilTest{A: "A", B: nil, C: "C"},`
411			ExpectXML: `` +
412			`` +
413			`A` +
414			`C` +
415			`` +
416			``,
417			`MarshalOnly: true, // Uses interface{}`
418			`},`
419			`{`
420			`Value: &MixedNested{A: "A", B: "B", C: "C", D: "D"},`
421			ExpectXML: `` +
422			`A` +
423			`B` +
424			`` +
425			`C` +
426			`D` +
427			`` +
428			``,
429			`},`
430			`{`
431			`Value: &Service{Port: &Port{Number: "80"}},`
432			ExpectXML: `80`,
433			`},`
434			`{`
435			`Value: &Service{},`
436			ExpectXML: ``,
437			`},`
438			`{`
439			`Value: &Service{Port: &Port{Number: "80"}, Extra1: "A", Extra2: "B"},`
440			ExpectXML: `` +
441			`80` +
442			`A` +
443			`B` +
444			``,
445			`MarshalOnly: true,`
446			`},`
447			`{`
448			`Value: &Service{Port: &Port{Number: "80"}, Extra2: "example"},`
449			ExpectXML: `` +
450			`80` +
451			`example` +
452			``,
453			`MarshalOnly: true,`
454			`},`
455
456			`// Test struct embedding`
457			`{`
458			`Value: &EmbedA{`
459			`EmbedC: EmbedC{`
460			`FieldA1: "", // Shadowed by A.A`
461			`FieldA2: "", // Shadowed by A.A`
462			`FieldB: "A.C.B",`
463			`FieldC: "A.C.C",`
464			`},`
465			`EmbedB: EmbedB{`
466			`FieldB: "A.B.B",`
467			`EmbedC: EmbedC{`
468			`FieldA1: "A.B.C.A1",`
469			`FieldA2: "A.B.C.A2",`
470			`FieldB: "", // Shadowed by A.B.B`
471			`FieldC: "A.B.C.C",`
472			`},`
473			`},`
474			`FieldA: "A.A",`
475			`},`
476			ExpectXML: `` +
477			`A.C.B` +
478			`A.C.C` +
479			`` +
480			`A.B.B` +
481			`` +
482			`A.B.C.A1` +
483			`A.B.C.A2` +
484			`` +
485			`A.B.C.C` +
486			`` +
487			`A.A` +
488			``,
489			`},`
490
491			`// Test that name casing matters`
492			`{`
493			`Value: &NameCasing{Xy: "mixed", XY: "upper", XyA: "mixedA", XYA: "upperA"},`
494			ExpectXML: `mixedupper`,
495			`},`
496
497			`// Test the order in which the XML element name is chosen`
498			`{`
499			`Value: &NamePrecedence{`
500			`FromTag: XMLNameWithoutTag{Value: "A"},`
501			`FromNameVal: XMLNameWithoutTag{XMLName: Name{Local: "InXMLName"}, Value: "B"},`
502			`FromNameTag: XMLNameWithTag{Value: "C"},`
503			`InFieldName: "D",`
504			`},`
505			ExpectXML: `` +
506			`A` +
507			`B` +
508			`C` +
509			`D` +
510			``,
511			`MarshalOnly: true,`
512			`},`
513			`{`
514			`Value: &NamePrecedence{`
515			`XMLName: Name{Local: "Parent"},`
516			`FromTag: XMLNameWithoutTag{XMLName: Name{Local: "InTag"}, Value: "A"},`
517			`FromNameVal: XMLNameWithoutTag{XMLName: Name{Local: "FromNameVal"}, Value: "B"},`
518			`FromNameTag: XMLNameWithTag{XMLName: Name{Local: "InXMLNameTag"}, Value: "C"},`
519			`InFieldName: "D",`
520			`},`
521			ExpectXML: `` +
522			`A` +
523			`B` +
524			`C` +
525			`D` +
526			``,
527			`UnmarshalOnly: true,`
528			`},`
529
530			`// xml.Name works in a plain field as well.`
531			`{`
532			`Value: &NameInField{Name{Space: "ns", Local: "foo"}},`
533			ExpectXML: ``,
534			`},`
535			`{`
536			`Value: &NameInField{Name{Space: "ns", Local: "foo"}},`
537			ExpectXML: ``,
538			`UnmarshalOnly: true,`
539			`},`
540
541			`// Marshaling zero xml.Name uses the tag or field name.`
542			`{`
543			`Value: &NameInField{},`
544			ExpectXML: ``,
545			`MarshalOnly: true,`
546			`},`
547
548			`// Test attributes`
549			`{`
550			`Value: &AttrTest{`
551			`Int: 8,`
552			`Lower: 9,`
553			`Float: 23.5,`
554			`Uint8: 255,`
555			`Bool: true,`
556			`Str: "s",`
557			`},`
558			ExpectXML: ``,
559			`},`
560
561			`// Test ",any"`
562			`{`
563			ExpectXML: `known_unknown`,
564			`Value: &AnyTest{`
565			`Nested: "known",`
566			`AnyField: AnyHolder{`
567			`XMLName: Name{Local: "other"},`
568			`XML: "_unknown",`
569			`},`
570			`},`
571			`UnmarshalOnly: true,`
572			`},`
573			`{`
574			`Value: &AnyTest{Nested: "known", AnyField: AnyHolder{XML: ""}},`
575			ExpectXML: `known`,
576			`MarshalOnly: true,`
577			`},`
578
579			`// Test recursive types.`
580			`{`
581			`Value: &RecurseA{`
582			`A: "a1",`
583			`B: &RecurseB{`
584			`A: &RecurseA{"a2", nil},`
585			`B: "b1",`
586			`},`
587			`},`
588			ExpectXML: `a1a2b1`,
589			`},`
590
591			`// Test ignoring fields via "-" tag`
592			`{`
593			ExpectXML: ``,
594			`Value: &IgnoreTest{},`
595			`},`
596			`{`
597			ExpectXML: ``,
598			`Value: &IgnoreTest{PublicSecret: "can't tell"},`
599			`MarshalOnly: true,`
600			`},`
601			`{`
602			ExpectXML: `ignore me`,
603			`Value: &IgnoreTest{},`
604			`UnmarshalOnly: true,`
605			`},`
606			`}`
607
608			`func TestMarshal(t *testing.T) {`
609			`for idx, test := range marshalTests {`
610			`if test.UnmarshalOnly {`
611			`continue`
612			`}`
613			`data, err := Marshal(test.Value)`
614			`if err != nil {`
615			`t.Errorf("#%d: Error: %s", idx, err)`
616			`continue`
617			`}`
618			`if got, want := string(data), test.ExpectXML; got != want {`
619			`if strings.Contains(want, "\n") {`
620			`t.Errorf("#%d: marshal(%#v):\nHAVE:\n%s\nWANT:\n%s", idx, test.Value, got, want)`
621			`} else {`
622			`t.Errorf("#%d: marshal(%#v):\nhave %#q\nwant %#q", idx, test.Value, got, want)`
623			`}`
624			`}`
625			`}`
626			`}`
627
628			`var marshalErrorTests = []struct {`
629			`Value interface{}`
630			`Err string`
631			`Kind reflect.Kind`
632			`}{`
633			`{`
634			`Value: make(chan bool),`
635			`Err: "xml: unsupported type: chan bool",`
636			`Kind: reflect.Chan,`
637			`},`
638			`{`
639			`Value: map[string]string{`
640			`"question": "What do you get when you multiply six by nine?",`
641			`"answer": "42",`
642			`},`
643			`Err: "xml: unsupported type: map[string]string",`
644			`Kind: reflect.Map,`
645			`},`
646			`{`
647			`Value: map[*Ship]bool{nil: false},`
648			`Err: "xml: unsupported type: map[*xml.Ship]bool",`
649			`Kind: reflect.Map,`
650			`},`
651			`{`
652			`Value: &Domain{Comment: []byte("f--bar")},`
653			Err: `xml: comments must not contain "--"`,
654			`},`
655			`}`
656
657			`func TestMarshalErrors(t *testing.T) {`
658			`for idx, test := range marshalErrorTests {`
659			`_, err := Marshal(test.Value)`
660			`if err == nil \|\| err.Error() != test.Err {`
661			`t.Errorf("#%d: marshal(%#v) = [error] %v, want %v", idx, test.Value, err, test.Err)`
662			`}`
663			`if test.Kind != reflect.Invalid {`
664			`if kind := err.(*UnsupportedTypeError).Type.Kind(); kind != test.Kind {`
665			`t.Errorf("#%d: marshal(%#v) = [error kind] %s, want %s", idx, test.Value, kind, test.Kind)`
666			`}`
667			`}`
668			`}`
669			`}`
670
671			`// Do invertibility testing on the various structures that we test`
672			`func TestUnmarshal(t *testing.T) {`
673			`for i, test := range marshalTests {`
674			`if test.MarshalOnly {`
675			`continue`
676			`}`
677			`if _, ok := test.Value.(*Plain); ok {`
678			`continue`
679			`}`
680
681			`vt := reflect.TypeOf(test.Value)`
682			`dest := reflect.New(vt.Elem()).Interface()`
683			`err := Unmarshal([]byte(test.ExpectXML), dest)`
684
685			`switch fix := dest.(type) {`
686			`case *Feed:`
687			`fix.Author.InnerXML = ""`
688			`for i := range fix.Entry {`
689			`fix.Entry[i].Author.InnerXML = ""`
690			`}`
691			`}`
692
693			`if err != nil {`
694			`t.Errorf("#%d: unexpected error: %#v", i, err)`
695			`} else if got, want := dest, test.Value; !reflect.DeepEqual(got, want) {`
696			`t.Errorf("#%d: unmarshal(%q):\nhave %#v\nwant %#v", i, test.ExpectXML, got, want)`
697			`}`
698			`}`
699			`}`
700
701			`func BenchmarkMarshal(b *testing.B) {`
702			`for i := 0; i < b.N; i++ {`
703			`Marshal(atomValue)`
704			`}`
705			`}`
706
707			`func BenchmarkUnmarshal(b *testing.B) {`
708			`xml := []byte(atomXml)`
709			`for i := 0; i < b.N; i++ {`
710			`Unmarshal(xml, &Feed{})`
711			`}`
712			`}`