src/pkg/json/decode_test.go - go - Git at Google

 // Copyright 2010 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 json

 import (
 	"bytes"
 	"reflect"
 	"strings"
 	"testing"
 )

 type unmarshalTest struct {
 	in  string
 	ptr interface{}
 	out interface{}
 }

 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{`"g-clef: \uD834\uDD1E"`, new(string), "g-clef: \U0001D11E"},
 	unmarshalTest{`"invalid: \uD834x\uDD1E"`, new(string), "invalid: \uFFFDx\uFFFD"},
 	unmarshalTest{"null", new(interface{}), nil},

 	// 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},
 }

 func TestMarshal(t *testing.T) {
 	b, err := Marshal(allValue)
 	if err != nil {
 		t.Fatalf("Marshal allValue: %v", err)
 	}
 	if string(b) != allValueCompact {
 		t.Errorf("Marshal allValueCompact")
 		diff(t, b, []byte(allValueCompact))
 		return
 	}

 	b, err = Marshal(pallValue)
 	if err != nil {
 		t.Fatalf("Marshal pallValue: %v", err)
 	}
 	if string(b) != pallValueCompact {
 		t.Errorf("Marshal pallValueCompact")
 		diff(t, b, []byte(pallValueCompact))
 		return
 	}
 }

 func TestUnmarshal(t *testing.T) {
 	var scan scanner
 	for i, tt := range unmarshalTests {
 		in := []byte(tt.in)
 		if err := checkValid(in, &scan); err != nil {
 			t.Errorf("#%d: checkValid: %v", i, err)
 			continue
 		}
 		// 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)
 			continue
 		}
 		if !reflect.DeepEqual(v.Elem().Interface(), tt.out) {
 			t.Errorf("#%d: mismatch\nhave: %#+v\nwant: %#+v", i, v.Elem().Interface(), tt.out)
 			data, _ := Marshal(v.Elem().Interface())
 			println(string(data))
 			data, _ = Marshal(tt.out)
 			println(string(data))
 			return
 			continue
 		}
 	}
 }

 func TestUnmarshalMarshal(t *testing.T) {
 	var v interface{}
 	if err := Unmarshal(jsonBig, &v); err != nil {
 		t.Fatalf("Unmarshal: %v", err)
 	}
 	b, err := Marshal(v)
 	if err != nil {
 		t.Fatalf("Marshal: %v", err)
 	}
 	if bytes.Compare(jsonBig, b) != 0 {
 		t.Errorf("Marshal jsonBig")
 		diff(t, b, jsonBig)
 		return
 	}
 }

 func noSpace(c int) int {
 	if isSpace(c) {
 		return -1
 	}
 	return c
 }

 type All struct {
 	Bool    bool
 	Int     int
 	Int8    int8
 	Int16   int16
 	Int32   int32
 	Int64   int64
 	Uint    uint
 	Uint8   uint8
 	Uint16  uint16
 	Uint32  uint32
 	Uint64  uint64
 	Uintptr uintptr
 	Float   float
 	Float32 float32
 	Float64 float64

 	Foo string "bar"

 	PBool    *bool
 	PInt     *int
 	PInt8    *int8
 	PInt16   *int16
 	PInt32   *int32
 	PInt64   *int64
 	PUint    *uint
 	PUint8   *uint8
 	PUint16  *uint16
 	PUint32  *uint32
 	PUint64  *uint64
 	PUintptr *uintptr
 	PFloat   *float
 	PFloat32 *float32
 	PFloat64 *float64

 	String  string
 	PString *string

 	Map   map[string]Small
 	MapP  map[string]*Small
 	PMap  *map[string]Small
 	PMapP *map[string]*Small

 	EmptyMap map[string]Small
 	NilMap   map[string]Small

 	Slice   []Small
 	SliceP  []*Small
 	PSlice  *[]Small
 	PSliceP *[]*Small

 	EmptySlice []Small
 	NilSlice   []Small

 	StringSlice []string
 	ByteSlice   []byte

 	Small   Small
 	PSmall  *Small
 	PPSmall **Small

 	Interface  interface{}
 	PInterface *interface{}
 }

 type Small struct {
 	Tag string
 }

 var allValue = All{
 	Bool:    true,
 	Int:     2,
 	Int8:    3,
 	Int16:   4,
 	Int32:   5,
 	Int64:   6,
 	Uint:    7,
 	Uint8:   8,
 	Uint16:  9,
 	Uint32:  10,
 	Uint64:  11,
 	Uintptr: 12,
 	Float:   13.1,
 	Float32: 14.1,
 	Float64: 15.1,
 	Foo:     "foo",
 	String:  "16",
 	Map: map[string]Small{
 		"17": Small{Tag: "tag17"},
 		"18": Small{Tag: "tag18"},
 	},
 	MapP: map[string]*Small{
 		"19": &Small{Tag: "tag19"},
 		"20": nil,
 	},
 	EmptyMap:    map[string]Small{},
 	Slice:       []Small{Small{Tag: "tag20"}, Small{Tag: "tag21"}},
 	SliceP:      []*Small{&Small{Tag: "tag22"}, nil, &Small{Tag: "tag23"}},
 	EmptySlice:  []Small{},
 	StringSlice: []string{"str24", "str25", "str26"},
 	ByteSlice:   []byte{27, 28, 29},
 	Small:       Small{Tag: "tag30"},
 	PSmall:      &Small{Tag: "tag31"},
 	Interface:   float64(5.2),
 }

 var pallValue = All{
 	PBool:      &allValue.Bool,
 	PInt:       &allValue.Int,
 	PInt8:      &allValue.Int8,
 	PInt16:     &allValue.Int16,
 	PInt32:     &allValue.Int32,
 	PInt64:     &allValue.Int64,
 	PUint:      &allValue.Uint,
 	PUint8:     &allValue.Uint8,
 	PUint16:    &allValue.Uint16,
 	PUint32:    &allValue.Uint32,
 	PUint64:    &allValue.Uint64,
 	PUintptr:   &allValue.Uintptr,
 	PFloat:     &allValue.Float,
 	PFloat32:   &allValue.Float32,
 	PFloat64:   &allValue.Float64,
 	PString:    &allValue.String,
 	PMap:       &allValue.Map,
 	PMapP:      &allValue.MapP,
 	PSlice:     &allValue.Slice,
 	PSliceP:    &allValue.SliceP,
 	PPSmall:    &allValue.PSmall,
 	PInterface: &allValue.Interface,
 }

 var allValueIndent = `{
 	"bool": true,
 	"int": 2,
 	"int8": 3,
 	"int16": 4,
 	"int32": 5,
 	"int64": 6,
 	"uint": 7,
 	"uint8": 8,
 	"uint16": 9,
 	"uint32": 10,
 	"uint64": 11,
 	"uintptr": 12,
 	"float": 13.1,
 	"float32": 14.1,
 	"float64": 15.1,
 	"bar": "foo",
 	"pbool": null,
 	"pint": null,
 	"pint8": null,
 	"pint16": null,
 	"pint32": null,
 	"pint64": null,
 	"puint": null,
 	"puint8": null,
 	"puint16": null,
 	"puint32": null,
 	"puint64": null,
 	"puintptr": null,
 	"pfloat": null,
 	"pfloat32": null,
 	"pfloat64": null,
 	"string": "16",
 	"pstring": null,
 	"map": {
 		"17": {
 			"tag": "tag17"
 		},
 		"18": {
 			"tag": "tag18"
 		}
 	},
 	"mapp": {
 		"19": {
 			"tag": "tag19"
 		},
 		"20": null
 	},
 	"pmap": null,
 	"pmapp": null,
 	"emptymap": {},
 	"nilmap": null,
 	"slice": [
 		{
 			"tag": "tag20"
 		},
 		{
 			"tag": "tag21"
 		}
 	],
 	"slicep": [
 		{
 			"tag": "tag22"
 		},
 		null,
 		{
 			"tag": "tag23"
 		}
 	],
 	"pslice": null,
 	"pslicep": null,
 	"emptyslice": [],
 	"nilslice": [],
 	"stringslice": [
 		"str24",
 		"str25",
 		"str26"
 	],
 	"byteslice": [
 		27,
 		28,
 		29
 	],
 	"small": {
 		"tag": "tag30"
 	},
 	"psmall": {
 		"tag": "tag31"
 	},
 	"ppsmall": null,
 	"interface": 5.2,
 	"pinterface": null
 }`

 var allValueCompact = strings.Map(noSpace, allValueIndent)

 var pallValueIndent = `{
 	"bool": false,
 	"int": 0,
 	"int8": 0,
 	"int16": 0,
 	"int32": 0,
 	"int64": 0,
 	"uint": 0,
 	"uint8": 0,
 	"uint16": 0,
 	"uint32": 0,
 	"uint64": 0,
 	"uintptr": 0,
 	"float": 0,
 	"float32": 0,
 	"float64": 0,
 	"bar": "",
 	"pbool": true,
 	"pint": 2,
 	"pint8": 3,
 	"pint16": 4,
 	"pint32": 5,
 	"pint64": 6,
 	"puint": 7,
 	"puint8": 8,
 	"puint16": 9,
 	"puint32": 10,
 	"puint64": 11,
 	"puintptr": 12,
 	"pfloat": 13.1,
 	"pfloat32": 14.1,
 	"pfloat64": 15.1,
 	"string": "",
 	"pstring": "16",
 	"map": null,
 	"mapp": null,
 	"pmap": {
 		"17": {
 			"tag": "tag17"
 		},
 		"18": {
 			"tag": "tag18"
 		}
 	},
 	"pmapp": {
 		"19": {
 			"tag": "tag19"
 		},
 		"20": null
 	},
 	"emptymap": null,
 	"nilmap": null,
 	"slice": [],
 	"slicep": [],
 	"pslice": [
 		{
 			"tag": "tag20"
 		},
 		{
 			"tag": "tag21"
 		}
 	],
 	"pslicep": [
 		{
 			"tag": "tag22"
 		},
 		null,
 		{
 			"tag": "tag23"
 		}
 	],
 	"emptyslice": [],
 	"nilslice": [],
 	"stringslice": [],
 	"byteslice": [],
 	"small": {
 		"tag": ""
 	},
 	"psmall": null,
 	"ppsmall": {
 		"tag": "tag31"
 	},
 	"interface": null,
 	"pinterface": 5.2
 }`

 var pallValueCompact = strings.Map(noSpace, pallValueIndent)
	// Copyright 2010 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 json

	import (
	"bytes"
	"reflect"
	"strings"
	"testing"
	)

	type unmarshalTest struct {
	in string
	ptr interface{}
	out interface{}
	}

	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{`"g-clef: \uD834\uDD1E"`, new(string), "g-clef: \U0001D11E"},
	unmarshalTest{`"invalid: \uD834x\uDD1E"`, new(string), "invalid: \uFFFDx\uFFFD"},
	unmarshalTest{"null", new(interface{}), nil},

	// 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},
	}

	func TestMarshal(t *testing.T) {
	b, err := Marshal(allValue)
	if err != nil {
	t.Fatalf("Marshal allValue: %v", err)
	}
	if string(b) != allValueCompact {
	t.Errorf("Marshal allValueCompact")
	diff(t, b, []byte(allValueCompact))
	return
	}

	b, err = Marshal(pallValue)
	if err != nil {
	t.Fatalf("Marshal pallValue: %v", err)
	}
	if string(b) != pallValueCompact {
	t.Errorf("Marshal pallValueCompact")
	diff(t, b, []byte(pallValueCompact))
	return
	}
	}

	func TestUnmarshal(t *testing.T) {
	var scan scanner
	for i, tt := range unmarshalTests {
	in := []byte(tt.in)
	if err := checkValid(in, &scan); err != nil {
	t.Errorf("#%d: checkValid: %v", i, err)
	continue
	}
	// 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)
	continue
	}
	if !reflect.DeepEqual(v.Elem().Interface(), tt.out) {
	t.Errorf("#%d: mismatch\nhave: %#+v\nwant: %#+v", i, v.Elem().Interface(), tt.out)
	data, _ := Marshal(v.Elem().Interface())
	println(string(data))
	data, _ = Marshal(tt.out)
	println(string(data))
	return
	continue
	}
	}
	}

	func TestUnmarshalMarshal(t *testing.T) {
	var v interface{}
	if err := Unmarshal(jsonBig, &v); err != nil {
	t.Fatalf("Unmarshal: %v", err)
	}
	b, err := Marshal(v)
	if err != nil {
	t.Fatalf("Marshal: %v", err)
	}
	if bytes.Compare(jsonBig, b) != 0 {
	t.Errorf("Marshal jsonBig")
	diff(t, b, jsonBig)
	return
	}
	}

	func noSpace(c int) int {
	if isSpace(c) {
	return -1
	}
	return c
	}

	type All struct {
	Bool bool
	Int int
	Int8 int8
	Int16 int16
	Int32 int32
	Int64 int64
	Uint uint
	Uint8 uint8
	Uint16 uint16
	Uint32 uint32
	Uint64 uint64
	Uintptr uintptr
	Float float
	Float32 float32
	Float64 float64

	Foo string "bar"

	PBool *bool
	PInt *int
	PInt8 *int8
	PInt16 *int16
	PInt32 *int32
	PInt64 *int64
	PUint *uint
	PUint8 *uint8
	PUint16 *uint16
	PUint32 *uint32
	PUint64 *uint64
	PUintptr *uintptr
	PFloat *float
	PFloat32 *float32
	PFloat64 *float64

	String string
	PString *string

	Map map[string]Small
	MapP map[string]*Small
	PMap *map[string]Small
	PMapP map[string]Small

	EmptyMap map[string]Small
	NilMap map[string]Small

	Slice []Small
	SliceP []*Small
	PSlice *[]Small
	PSliceP []Small

	EmptySlice []Small
	NilSlice []Small

	StringSlice []string
	ByteSlice []byte

	Small Small
	PSmall *Small
	PPSmall **Small

	Interface interface{}
	PInterface *interface{}
	}

	type Small struct {
	Tag string
	}

	var allValue = All{
	Bool: true,
	Int: 2,
	Int8: 3,
	Int16: 4,
	Int32: 5,
	Int64: 6,
	Uint: 7,
	Uint8: 8,
	Uint16: 9,
	Uint32: 10,
	Uint64: 11,
	Uintptr: 12,
	Float: 13.1,
	Float32: 14.1,
	Float64: 15.1,
	Foo: "foo",
	String: "16",
	Map: map[string]Small{
	"17": Small{Tag: "tag17"},
	"18": Small{Tag: "tag18"},
	},
	MapP: map[string]*Small{
	"19": &Small{Tag: "tag19"},
	"20": nil,
	},
	EmptyMap: map[string]Small{},
	Slice: []Small{Small{Tag: "tag20"}, Small{Tag: "tag21"}},
	SliceP: []*Small{&Small{Tag: "tag22"}, nil, &Small{Tag: "tag23"}},
	EmptySlice: []Small{},
	StringSlice: []string{"str24", "str25", "str26"},
	ByteSlice: []byte{27, 28, 29},
	Small: Small{Tag: "tag30"},
	PSmall: &Small{Tag: "tag31"},
	Interface: float64(5.2),
	}

	var pallValue = All{
	PBool: &allValue.Bool,
	PInt: &allValue.Int,
	PInt8: &allValue.Int8,
	PInt16: &allValue.Int16,
	PInt32: &allValue.Int32,
	PInt64: &allValue.Int64,
	PUint: &allValue.Uint,
	PUint8: &allValue.Uint8,
	PUint16: &allValue.Uint16,
	PUint32: &allValue.Uint32,
	PUint64: &allValue.Uint64,
	PUintptr: &allValue.Uintptr,
	PFloat: &allValue.Float,
	PFloat32: &allValue.Float32,
	PFloat64: &allValue.Float64,
	PString: &allValue.String,
	PMap: &allValue.Map,
	PMapP: &allValue.MapP,
	PSlice: &allValue.Slice,
	PSliceP: &allValue.SliceP,
	PPSmall: &allValue.PSmall,
	PInterface: &allValue.Interface,
	}

	var allValueIndent = `{
	"bool": true,
	"int": 2,
	"int8": 3,
	"int16": 4,
	"int32": 5,
	"int64": 6,
	"uint": 7,
	"uint8": 8,
	"uint16": 9,
	"uint32": 10,
	"uint64": 11,
	"uintptr": 12,
	"float": 13.1,
	"float32": 14.1,
	"float64": 15.1,
	"bar": "foo",
	"pbool": null,
	"pint": null,
	"pint8": null,
	"pint16": null,
	"pint32": null,
	"pint64": null,
	"puint": null,
	"puint8": null,
	"puint16": null,
	"puint32": null,
	"puint64": null,
	"puintptr": null,
	"pfloat": null,
	"pfloat32": null,
	"pfloat64": null,
	"string": "16",
	"pstring": null,
	"map": {
	"17": {
	"tag": "tag17"
	},
	"18": {
	"tag": "tag18"
	}
	},
	"mapp": {
	"19": {
	"tag": "tag19"
	},
	"20": null
	},
	"pmap": null,
	"pmapp": null,
	"emptymap": {},
	"nilmap": null,
	"slice": [
	{
	"tag": "tag20"
	},
	{
	"tag": "tag21"
	}
	],
	"slicep": [
	{
	"tag": "tag22"
	},
	null,
	{
	"tag": "tag23"
	}
	],
	"pslice": null,
	"pslicep": null,
	"emptyslice": [],
	"nilslice": [],
	"stringslice": [
	"str24",
	"str25",
	"str26"
	],
	"byteslice": [
	27,
	28,
	29
	],
	"small": {
	"tag": "tag30"
	},
	"psmall": {
	"tag": "tag31"
	},
	"ppsmall": null,
	"interface": 5.2,
	"pinterface": null
	}`

	var allValueCompact = strings.Map(noSpace, allValueIndent)

	var pallValueIndent = `{
	"bool": false,
	"int": 0,
	"int8": 0,
	"int16": 0,
	"int32": 0,
	"int64": 0,
	"uint": 0,
	"uint8": 0,
	"uint16": 0,
	"uint32": 0,
	"uint64": 0,
	"uintptr": 0,
	"float": 0,
	"float32": 0,
	"float64": 0,
	"bar": "",
	"pbool": true,
	"pint": 2,
	"pint8": 3,
	"pint16": 4,
	"pint32": 5,
	"pint64": 6,
	"puint": 7,
	"puint8": 8,
	"puint16": 9,
	"puint32": 10,
	"puint64": 11,
	"puintptr": 12,
	"pfloat": 13.1,
	"pfloat32": 14.1,
	"pfloat64": 15.1,
	"string": "",
	"pstring": "16",
	"map": null,
	"mapp": null,
	"pmap": {
	"17": {
	"tag": "tag17"
	},
	"18": {
	"tag": "tag18"
	}
	},
	"pmapp": {
	"19": {
	"tag": "tag19"
	},
	"20": null
	},
	"emptymap": null,
	"nilmap": null,
	"slice": [],
	"slicep": [],
	"pslice": [
	{
	"tag": "tag20"
	},
	{
	"tag": "tag21"
	}
	],
	"pslicep": [
	{
	"tag": "tag22"
	},
	null,
	{
	"tag": "tag23"
	}
	],
	"emptyslice": [],
	"nilslice": [],
	"stringslice": [],
	"byteslice": [],
	"small": {
	"tag": ""
	},
	"psmall": null,
	"ppsmall": {
	"tag": "tag31"
	},
	"interface": null,
	"pinterface": 5.2
	}`

	var pallValueCompact = strings.Map(noSpace, pallValueIndent)