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- // Copyright 2019 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 text_test
- import (
- "fmt"
- "math"
- "strings"
- "testing"
- "unicode/utf8"
- "github.com/google/go-cmp/cmp"
- "google.golang.org/protobuf/internal/encoding/text"
- "google.golang.org/protobuf/internal/flags"
- )
- var eofErr = text.ErrUnexpectedEOF.Error()
- type R struct {
- // K is expected Kind of the returned Token object from calling Decoder.Read.
- K text.Kind
- // E is expected error substring from calling Decoder.Read if set.
- E string
- // T contains NT (if K is Name) or ST (if K is Scalar) or nil (others)
- T interface{}
- // P is expected Token.Pos if set > 0.
- P int
- // RS is expected result from Token.RawString() if not empty.
- RS string
- }
- // NT contains data for checking against a name token.
- type NT struct {
- K text.NameKind
- // Sep is true if name token should have separator character, else false.
- Sep bool
- // If K is IdentName or TypeName, invoke corresponding getter and compare against this field.
- S string
- // If K is FieldNumber, invoke getter and compare against this field.
- N int32
- }
- // ST contains data for checking against a scalar token.
- type ST struct {
- // checker that is expected to return OK.
- ok checker
- // checker that is expected to return not OK.
- nok checker
- }
- // checker provides API for the token wrapper API call types Str, Enum, Bool,
- // Uint64, Uint32, Int64, Int32, Float64, Float32.
- type checker interface {
- // checkOk checks and expects for token API call to return ok and compare
- // against implementation-stored value. Returns empty string if success,
- // else returns error message describing the error.
- checkOk(text.Token) string
- // checkNok checks and expects for token API call to return not ok. Returns
- // empty string if success, else returns error message describing the error.
- checkNok(text.Token) string
- }
- type Str struct {
- val string
- }
- func (s Str) checkOk(tok text.Token) string {
- got, ok := tok.String()
- if !ok {
- return fmt.Sprintf("Token.String() returned not OK for token: %v", tok.RawString())
- }
- if got != s.val {
- return fmt.Sprintf("Token.String() got %q want %q for token: %v", got, s.val, tok.RawString())
- }
- return ""
- }
- func (s Str) checkNok(tok text.Token) string {
- if _, ok := tok.String(); ok {
- return fmt.Sprintf("Token.String() returned OK for token: %v", tok.RawString())
- }
- return ""
- }
- type Enum struct {
- val string
- }
- func (e Enum) checkOk(tok text.Token) string {
- got, ok := tok.Enum()
- if !ok {
- return fmt.Sprintf("Token.Enum() returned not OK for token: %v", tok.RawString())
- }
- if got != e.val {
- return fmt.Sprintf("Token.Enum() got %q want %q for token: %v", got, e.val, tok.RawString())
- }
- return ""
- }
- func (e Enum) checkNok(tok text.Token) string {
- if _, ok := tok.Enum(); ok {
- return fmt.Sprintf("Token.Enum() returned OK for token: %v", tok.RawString())
- }
- return ""
- }
- type Bool struct {
- val bool
- }
- func (b Bool) checkOk(tok text.Token) string {
- got, ok := tok.Bool()
- if !ok {
- return fmt.Sprintf("Token.Bool() returned not OK for token: %v", tok.RawString())
- }
- if got != b.val {
- return fmt.Sprintf("Token.Bool() got %v want %v for token: %v", got, b.val, tok.RawString())
- }
- return ""
- }
- func (b Bool) checkNok(tok text.Token) string {
- if _, ok := tok.Bool(); ok {
- return fmt.Sprintf("Token.Bool() returned OK for token: %v", tok.RawString())
- }
- return ""
- }
- type Uint64 struct {
- val uint64
- }
- func (n Uint64) checkOk(tok text.Token) string {
- got, ok := tok.Uint64()
- if !ok {
- return fmt.Sprintf("Token.Uint64() returned not OK for token: %v", tok.RawString())
- }
- if got != n.val {
- return fmt.Sprintf("Token.Uint64() got %v want %v for token: %v", got, n.val, tok.RawString())
- }
- return ""
- }
- func (n Uint64) checkNok(tok text.Token) string {
- if _, ok := tok.Uint64(); ok {
- return fmt.Sprintf("Token.Uint64() returned OK for token: %v", tok.RawString())
- }
- return ""
- }
- type Uint32 struct {
- val uint32
- }
- func (n Uint32) checkOk(tok text.Token) string {
- got, ok := tok.Uint32()
- if !ok {
- return fmt.Sprintf("Token.Uint32() returned not OK for token: %v", tok.RawString())
- }
- if got != n.val {
- return fmt.Sprintf("Token.Uint32() got %v want %v for token: %v", got, n.val, tok.RawString())
- }
- return ""
- }
- func (n Uint32) checkNok(tok text.Token) string {
- if _, ok := tok.Uint32(); ok {
- return fmt.Sprintf("Token.Uint32() returned OK for token: %v", tok.RawString())
- }
- return ""
- }
- type Int64 struct {
- val int64
- }
- func (n Int64) checkOk(tok text.Token) string {
- got, ok := tok.Int64()
- if !ok {
- return fmt.Sprintf("Token.Int64() returned not OK for token: %v", tok.RawString())
- }
- if got != n.val {
- return fmt.Sprintf("Token.Int64() got %v want %v for token: %v", got, n.val, tok.RawString())
- }
- return ""
- }
- func (n Int64) checkNok(tok text.Token) string {
- if _, ok := tok.Int64(); ok {
- return fmt.Sprintf("Token.Int64() returned OK for token: %v", tok.RawString())
- }
- return ""
- }
- type Int32 struct {
- val int32
- }
- func (n Int32) checkOk(tok text.Token) string {
- got, ok := tok.Int32()
- if !ok {
- return fmt.Sprintf("Token.Int32() returned not OK for token: %v", tok.RawString())
- }
- if got != n.val {
- return fmt.Sprintf("Token.Int32() got %v want %v for token: %v", got, n.val, tok.RawString())
- }
- return ""
- }
- func (n Int32) checkNok(tok text.Token) string {
- if _, ok := tok.Int32(); ok {
- return fmt.Sprintf("Token.Int32() returned OK for token: %v", tok.RawString())
- }
- return ""
- }
- type Float64 struct {
- val float64
- }
- func (n Float64) checkOk(tok text.Token) string {
- got, ok := tok.Float64()
- if !ok {
- return fmt.Sprintf("Token.Float64() returned not OK for token: %v", tok.RawString())
- }
- if math.Float64bits(got) != math.Float64bits(n.val) {
- return fmt.Sprintf("Token.Float64() got %v want %v for token: %v", got, n.val, tok.RawString())
- }
- return ""
- }
- func (n Float64) checkNok(tok text.Token) string {
- if _, ok := tok.Float64(); ok {
- return fmt.Sprintf("Token.Float64() returned OK for token: %v", tok.RawString())
- }
- return ""
- }
- type Float32 struct {
- val float32
- }
- func (n Float32) checkOk(tok text.Token) string {
- got, ok := tok.Float32()
- if !ok {
- return fmt.Sprintf("Token.Float32() returned not OK for token: %v", tok.RawString())
- }
- if math.Float32bits(got) != math.Float32bits(n.val) {
- return fmt.Sprintf("Token.Float32() got %v want %v for token: %v", got, n.val, tok.RawString())
- }
- return ""
- }
- func (n Float32) checkNok(tok text.Token) string {
- if _, ok := tok.Float32(); ok {
- return fmt.Sprintf("Token.Float32() returned OK for token: %v", tok.RawString())
- }
- return ""
- }
- func TestDecoder(t *testing.T) {
- const space = " \n\r\t"
- tests := []struct {
- in string
- // want is a list of expected Tokens returned from calling Decoder.Read.
- // An item makes the test code invoke Decoder.Read and compare against
- // R.K and R.E. If R.K is Name, it compares
- want []R
- }{
- {
- in: "",
- want: []R{{K: text.EOF}},
- },
- {
- in: "# comment",
- want: []R{{K: text.EOF}},
- },
- {
- in: space + "# comment" + space,
- want: []R{{K: text.EOF}},
- },
- {
- in: space,
- want: []R{{K: text.EOF, P: len(space)}},
- },
- {
- // Calling Read after EOF will keep returning EOF for
- // succeeding Read calls.
- in: space,
- want: []R{
- {K: text.EOF},
- {K: text.EOF},
- {K: text.EOF},
- },
- },
- {
- // NUL is an invalid whitespace since C++ uses C-strings.
- in: "\x00",
- want: []R{{E: "invalid field name: \x00"}},
- },
- // Field names.
- {
- in: "name",
- want: []R{
- {K: text.Name, T: NT{K: text.IdentName, S: "name"}, RS: "name"},
- {E: eofErr},
- },
- },
- {
- in: space + "name:" + space,
- want: []R{
- {K: text.Name, T: NT{K: text.IdentName, Sep: true, S: "name"}},
- {E: eofErr},
- },
- },
- {
- in: space + "name" + space + ":" + space,
- want: []R{
- {K: text.Name, T: NT{K: text.IdentName, Sep: true, S: "name"}},
- {E: eofErr},
- },
- },
- {
- in: "name # comment",
- want: []R{
- {K: text.Name, T: NT{K: text.IdentName, S: "name"}},
- {E: eofErr},
- },
- },
- {
- // Comments only extend until the newline.
- in: "# comment \nname",
- want: []R{
- {K: text.Name, T: NT{K: text.IdentName, S: "name"}, P: 11},
- },
- },
- {
- in: "name # comment \n:",
- want: []R{
- {K: text.Name, T: NT{K: text.IdentName, Sep: true, S: "name"}},
- },
- },
- {
- in: "name123",
- want: []R{
- {K: text.Name, T: NT{K: text.IdentName, S: "name123"}},
- },
- },
- {
- in: "name_123",
- want: []R{
- {K: text.Name, T: NT{K: text.IdentName, S: "name_123"}},
- },
- },
- {
- in: "_123",
- want: []R{
- {K: text.Name, T: NT{K: text.IdentName, S: "_123"}},
- },
- },
- {
- in: ":",
- want: []R{{E: "syntax error (line 1:1): invalid field name: :"}},
- },
- {
- in: "\n\n\n {",
- want: []R{{E: "syntax error (line 4:2): invalid field name: {"}},
- },
- {
- in: "123name",
- want: []R{{E: "invalid field name: 123name"}},
- },
- {
- in: `/`,
- want: []R{{E: `invalid field name: /`}},
- },
- {
- in: `δΈη`,
- want: []R{{E: `invalid field name: δΈ`}},
- },
- {
- in: `1a/b`,
- want: []R{{E: `invalid field name: 1a`}},
- },
- {
- in: `1c\d`,
- want: []R{{E: `invalid field name: 1c`}},
- },
- {
- in: "\x84f",
- want: []R{{E: "invalid field name: \x84"}},
- },
- {
- in: "\uFFFDxxx",
- want: []R{{E: "invalid field name: \uFFFD"}},
- },
- {
- in: "-a234567890123456789012345678901234567890abc",
- want: []R{{E: "invalid field name: -a2345678901234567890123456789012β¦"}},
- },
- {
- in: "[type]",
- want: []R{
- {K: text.Name, T: NT{K: text.TypeName, S: "type"}, RS: "[type]"},
- },
- },
- {
- // V1 allows this syntax. C++ does not, however, C++ also fails if
- // field is Any and does not contain '/'.
- in: "[/type]",
- want: []R{
- {K: text.Name, T: NT{K: text.TypeName, S: "/type"}},
- },
- },
- {
- in: "[.type]",
- want: []R{{E: "invalid type URL/extension field name: [.type]"}},
- },
- {
- in: "[pkg.Foo.extension_field]",
- want: []R{
- {K: text.Name, T: NT{K: text.TypeName, S: "pkg.Foo.extension_field"}},
- },
- },
- {
- in: "[domain.com/type]",
- want: []R{
- {K: text.Name, T: NT{K: text.TypeName, S: "domain.com/type"}},
- },
- },
- {
- in: "[domain.com/pkg.type]",
- want: []R{
- {K: text.Name, T: NT{K: text.TypeName, S: "domain.com/pkg.type"}},
- },
- },
- {
- in: "[sub.domain.com\x2fpath\x2fto\x2fproto.package.name]",
- want: []R{
- {
- K: text.Name,
- T: NT{
- K: text.TypeName,
- S: "sub.domain.com/path/to/proto.package.name",
- },
- RS: "[sub.domain.com\x2fpath\x2fto\x2fproto.package.name]",
- },
- },
- },
- {
- // V2 no longer allows a quoted string for the Any type URL.
- in: `["domain.com/pkg.type"]`,
- want: []R{{E: `invalid type URL/extension field name: ["`}},
- },
- {
- // V2 no longer allows a quoted string for the Any type URL.
- in: `['domain.com/pkg.type']`,
- want: []R{{E: `invalid type URL/extension field name: ['`}},
- },
- {
- in: "[pkg.Foo.extension_field:",
- want: []R{{E: "invalid type URL/extension field name: [pkg.Foo.extension_field:"}},
- },
- {
- // V2 no longer allows whitespace within identifier "word".
- in: "[proto.packa ge.field]",
- want: []R{{E: "invalid type URL/extension field name: [proto.packa g"}},
- },
- {
- // V2 no longer allows comments within identifier "word".
- in: "[proto.packa # comment\n ge.field]",
- want: []R{{E: "invalid type URL/extension field name: [proto.packa # comment\n g"}},
- },
- {
- in: "[proto.package.]",
- want: []R{{E: "invalid type URL/extension field name: [proto.package."}},
- },
- {
- in: "[proto.package/]",
- want: []R{{E: "invalid type URL/extension field name: [proto.package/"}},
- },
- {
- in: `message_field{[bad@]`,
- want: []R{
- {K: text.Name},
- {K: text.MessageOpen},
- {E: `invalid type URL/extension field name: [bad@`},
- },
- },
- {
- in: `message_field{[invalid//type]`,
- want: []R{
- {K: text.Name},
- {K: text.MessageOpen},
- {E: `invalid type URL/extension field name: [invalid//`},
- },
- },
- {
- in: `message_field{[proto.package.]`,
- want: []R{
- {K: text.Name},
- {K: text.MessageOpen},
- {E: `invalid type URL/extension field name: [proto.package.`},
- },
- },
- {
- in: "[proto.package",
- want: []R{{E: eofErr}},
- },
- {
- in: "[" + space + "type" + space + "]" + space + ":",
- want: []R{
- {
- K: text.Name,
- T: NT{
- K: text.TypeName,
- Sep: true,
- S: "type",
- },
- RS: "[" + space + "type" + space + "]",
- },
- },
- },
- {
- // Whitespaces/comments are only allowed betweeb
- in: "[" + space + "domain" + space + "." + space + "com # comment\n" +
- "/" + "pkg" + space + "." + space + "type" + space + "]",
- want: []R{
- {K: text.Name, T: NT{K: text.TypeName, S: "domain.com/pkg.type"}},
- },
- },
- {
- in: "42",
- want: []R{
- {K: text.Name, T: NT{K: text.FieldNumber, N: 42}},
- },
- },
- {
- in: "0x42:",
- want: []R{{E: "invalid field number: 0x42"}},
- },
- {
- in: "042:",
- want: []R{{E: "invalid field number: 042"}},
- },
- {
- in: "123.456:",
- want: []R{{E: "invalid field number: 123.456"}},
- },
- {
- in: "-123",
- want: []R{{E: "invalid field number: -123"}},
- },
- {
- in: "- \t 123.321e6",
- want: []R{{E: "invalid field number: -123.321e6"}},
- },
- {
- in: "-",
- want: []R{{E: "invalid field name: -"}},
- },
- {
- in: "- ",
- want: []R{{E: "invalid field name: -"}},
- },
- {
- in: "- # negative\n 123",
- want: []R{{E: "invalid field number: -123"}},
- },
- {
- // Field number > math.MaxInt32.
- in: "2147483648:",
- want: []R{{E: "invalid field number: 2147483648"}},
- },
- // String field value. More string parsing specific testing in
- // TestUnmarshalString.
- {
- in: `name: "hello world"`,
- want: []R{
- {K: text.Name},
- {
- K: text.Scalar,
- T: ST{ok: Str{"hello world"}, nok: Enum{}},
- RS: `"hello world"`,
- },
- {K: text.EOF},
- },
- },
- {
- in: `name: 'hello'`,
- want: []R{
- {K: text.Name},
- {K: text.Scalar, T: ST{ok: Str{"hello"}}},
- },
- },
- {
- in: `name: "hello'`,
- want: []R{
- {K: text.Name},
- {E: eofErr},
- },
- },
- {
- in: `name: 'hello`,
- want: []R{
- {K: text.Name},
- {E: eofErr},
- },
- },
- {
- // Field name without separator is ok. prototext package will need
- // to determine that this is not valid for scalar values.
- in: space + `name` + space + `"hello"` + space,
- want: []R{
- {K: text.Name},
- {K: text.Scalar, T: ST{ok: Str{"hello"}}},
- },
- },
- {
- in: `name'hello'`,
- want: []R{
- {K: text.Name},
- {K: text.Scalar, T: ST{ok: Str{"hello"}}},
- },
- },
- {
- in: `name: ` + space + `"hello"` + space + `,`,
- want: []R{
- {K: text.Name},
- {K: text.Scalar, T: ST{ok: Str{"hello"}}},
- {K: text.EOF},
- },
- },
- {
- in: `name` + space + `:` + `"hello"` + space + `;` + space,
- want: []R{
- {K: text.Name},
- {K: text.Scalar, T: ST{ok: Str{"hello"}}},
- {K: text.EOF},
- },
- },
- {
- in: `name:"hello" , ,`,
- want: []R{
- {K: text.Name},
- {K: text.Scalar},
- {E: "(line 1:16): invalid field name: ,"},
- },
- },
- {
- in: `name:"hello" , ;`,
- want: []R{
- {K: text.Name},
- {K: text.Scalar},
- {E: "(line 1:16): invalid field name: ;"},
- },
- },
- {
- in: `name:"hello" name:'world'`,
- want: []R{
- {K: text.Name},
- {K: text.Scalar, T: ST{ok: Str{"hello"}}},
- {K: text.Name},
- {K: text.Scalar, T: ST{ok: Str{"world"}}},
- {K: text.EOF},
- },
- },
- {
- in: `name:"hello", name:"world"`,
- want: []R{
- {K: text.Name},
- {K: text.Scalar, T: ST{ok: Str{"hello"}}},
- {K: text.Name},
- {K: text.Scalar, T: ST{ok: Str{"world"}}},
- {K: text.EOF},
- },
- },
- {
- in: `name:"hello"; name:"world",`,
- want: []R{
- {K: text.Name},
- {K: text.Scalar, T: ST{ok: Str{"hello"}}},
- {K: text.Name},
- {K: text.Scalar, T: ST{ok: Str{"world"}}},
- {K: text.EOF},
- },
- },
- {
- in: `foo:"hello"bar:"world"`,
- want: []R{
- {K: text.Name, T: NT{K: text.IdentName, Sep: true, S: "foo"}},
- {K: text.Scalar, T: ST{ok: Str{"hello"}}},
- {K: text.Name, T: NT{K: text.IdentName, Sep: true, S: "bar"}},
- {K: text.Scalar, T: ST{ok: Str{"world"}}},
- {K: text.EOF},
- },
- },
- {
- in: `foo:"hello"[bar]:"world"`,
- want: []R{
- {K: text.Name, T: NT{K: text.IdentName, Sep: true, S: "foo"}},
- {K: text.Scalar, T: ST{ok: Str{"hello"}}},
- {K: text.Name, T: NT{K: text.TypeName, Sep: true, S: "bar"}},
- {K: text.Scalar, T: ST{ok: Str{"world"}}},
- {K: text.EOF},
- },
- },
- {
- in: `name:"foo"` + space + `"bar"` + space + `'qux'`,
- want: []R{
- {K: text.Name, T: NT{K: text.IdentName, Sep: true, S: "name"}},
- {K: text.Scalar, T: ST{ok: Str{"foobarqux"}}},
- {K: text.EOF},
- },
- },
- {
- in: `name:"foo"'bar'"qux"`,
- want: []R{
- {K: text.Name, T: NT{K: text.IdentName, Sep: true, S: "name"}},
- {K: text.Scalar, T: ST{ok: Str{"foobarqux"}}},
- {K: text.EOF},
- },
- },
- {
- in: `name:"foo"` + space + `"bar" # comment` + "\n'qux' # comment",
- want: []R{
- {K: text.Name, T: NT{K: text.IdentName, Sep: true, S: "name"}},
- {K: text.Scalar, T: ST{ok: Str{"foobarqux"}}},
- {K: text.EOF},
- },
- },
- // Lists.
- {
- in: `name: [`,
- want: []R{
- {K: text.Name},
- {K: text.ListOpen},
- {E: eofErr},
- },
- },
- {
- in: `name: []`,
- want: []R{
- {K: text.Name},
- {K: text.ListOpen},
- {K: text.ListClose},
- {K: text.EOF},
- },
- },
- {
- in: `name []`,
- want: []R{
- {K: text.Name},
- {K: text.ListOpen},
- {K: text.ListClose},
- {K: text.EOF},
- },
- },
- {
- in: `name: [,`,
- want: []R{
- {K: text.Name},
- {K: text.ListOpen},
- {E: `(line 1:8): invalid scalar value: ,`},
- },
- },
- {
- in: `name: [0`,
- want: []R{
- {K: text.Name},
- {K: text.ListOpen},
- {K: text.Scalar},
- {E: eofErr},
- },
- },
- {
- in: `name: [` + space + `"hello"` + space + `]` + space,
- want: []R{
- {K: text.Name},
- {K: text.ListOpen},
- {K: text.Scalar, T: ST{ok: Str{"hello"}}, P: len(space) + 7},
- {K: text.ListClose},
- {K: text.EOF},
- },
- },
- {
- in: `name: ["hello",]`,
- want: []R{
- {K: text.Name},
- {K: text.ListOpen},
- {K: text.Scalar, T: ST{ok: Str{"hello"}}},
- {E: `invalid scalar value: ]`},
- },
- },
- {
- in: `name: ["foo"` + space + `'bar' "qux"]`,
- want: []R{
- {K: text.Name},
- {K: text.ListOpen},
- {K: text.Scalar, T: ST{ok: Str{"foobarqux"}}},
- {K: text.ListClose},
- {K: text.EOF},
- },
- },
- {
- in: `name:` + space + `["foo",` + space + "'bar', # comment\n\n" + `"qux"]`,
- want: []R{
- {K: text.Name},
- {K: text.ListOpen},
- {K: text.Scalar, T: ST{ok: Str{"foo"}}},
- {K: text.Scalar, T: ST{ok: Str{"bar"}}},
- {K: text.Scalar, T: ST{ok: Str{"qux"}}},
- {K: text.ListClose},
- {K: text.EOF},
- },
- },
- {
- // List within list is not allowed.
- in: `name: [[]]`,
- want: []R{
- {K: text.Name},
- {K: text.ListOpen},
- {E: `syntax error (line 1:8): invalid scalar value: [`},
- },
- },
- {
- // List items need to be separated by ,.
- in: `name: ["foo" true]`,
- want: []R{
- {K: text.Name},
- {K: text.ListOpen},
- {K: text.Scalar, T: ST{ok: Str{"foo"}}},
- {E: `syntax error (line 1:14): unexpected character 't'`},
- },
- },
- {
- in: `name: ["foo"; "bar"]`,
- want: []R{
- {K: text.Name},
- {K: text.ListOpen},
- {K: text.Scalar, T: ST{ok: Str{"foo"}}},
- {E: `syntax error (line 1:13): unexpected character ';'`},
- },
- },
- {
- in: `name: ["foo", true, ENUM, 1.0]`,
- want: []R{
- {K: text.Name},
- {K: text.ListOpen},
- {K: text.Scalar, T: ST{ok: Str{"foo"}}},
- {K: text.Scalar, T: ST{ok: Enum{"true"}}},
- {K: text.Scalar, T: ST{ok: Enum{"ENUM"}}},
- {K: text.Scalar, T: ST{ok: Float32{1.0}}},
- {K: text.ListClose},
- },
- },
- // Boolean literal values.
- {
- in: `name: True`,
- want: []R{
- {K: text.Name},
- {
- K: text.Scalar,
- T: ST{ok: Bool{true}},
- },
- {K: text.EOF},
- },
- },
- {
- in: `name false`,
- want: []R{
- {K: text.Name},
- {
- K: text.Scalar,
- T: ST{ok: Bool{false}},
- },
- {K: text.EOF},
- },
- },
- {
- in: `name: [t, f, True, False, true, false, 1, 0, 0x01, 0x00, 01, 00]`,
- want: []R{
- {K: text.Name},
- {K: text.ListOpen},
- {K: text.Scalar, T: ST{ok: Bool{true}}},
- {K: text.Scalar, T: ST{ok: Bool{false}}},
- {K: text.Scalar, T: ST{ok: Bool{true}}},
- {K: text.Scalar, T: ST{ok: Bool{false}}},
- {K: text.Scalar, T: ST{ok: Bool{true}}},
- {K: text.Scalar, T: ST{ok: Bool{false}}},
- {K: text.Scalar, T: ST{ok: Bool{true}}},
- {K: text.Scalar, T: ST{ok: Bool{false}}},
- {K: text.Scalar, T: ST{ok: Bool{true}}},
- {K: text.Scalar, T: ST{ok: Bool{false}}},
- {K: text.Scalar, T: ST{ok: Bool{true}}},
- {K: text.Scalar, T: ST{ok: Bool{false}}},
- {K: text.ListClose},
- },
- },
- {
- // Looks like boolean but not.
- in: `name: [tRUe, falSE, -1, -0, -0x01, -0x00, -01, -00, 0.0]`,
- want: []R{
- {K: text.Name},
- {K: text.ListOpen},
- {K: text.Scalar, T: ST{nok: Bool{}}},
- {K: text.Scalar, T: ST{nok: Bool{}}},
- {K: text.Scalar, T: ST{nok: Bool{}}},
- {K: text.Scalar, T: ST{nok: Bool{}}},
- {K: text.Scalar, T: ST{nok: Bool{}}},
- {K: text.Scalar, T: ST{nok: Bool{}}},
- {K: text.Scalar, T: ST{nok: Bool{}}},
- {K: text.Scalar, T: ST{nok: Bool{}}},
- {K: text.Scalar, T: ST{nok: Bool{}}},
- {K: text.ListClose},
- },
- },
- {
- in: `foo: true[bar] false`,
- want: []R{
- {K: text.Name},
- {K: text.Scalar, T: ST{ok: Bool{true}}},
- {K: text.Name},
- {K: text.Scalar, T: ST{ok: Bool{false}}},
- },
- },
- // Enum field values.
- {
- in: space + `name: ENUM`,
- want: []R{
- {K: text.Name},
- {K: text.Scalar, T: ST{ok: Enum{"ENUM"}}},
- },
- },
- {
- in: space + `name:[TRUE, FALSE, T, F, t, f]`,
- want: []R{
- {K: text.Name},
- {K: text.ListOpen},
- {K: text.Scalar, T: ST{ok: Enum{"TRUE"}}},
- {K: text.Scalar, T: ST{ok: Enum{"FALSE"}}},
- {K: text.Scalar, T: ST{ok: Enum{"T"}}},
- {K: text.Scalar, T: ST{ok: Enum{"F"}}},
- {K: text.Scalar, T: ST{ok: Enum{"t"}}},
- {K: text.Scalar, T: ST{ok: Enum{"f"}}},
- {K: text.ListClose},
- },
- },
- {
- in: `foo: Enum1[bar]:Enum2`,
- want: []R{
- {K: text.Name},
- {K: text.Scalar, T: ST{ok: Enum{"Enum1"}}},
- {K: text.Name},
- {K: text.Scalar, T: ST{ok: Enum{"Enum2"}}},
- },
- },
- {
- // Invalid enum values.
- in: `name: [-inf, -foo, "string", 42, 1.0, 0x47]`,
- want: []R{
- {K: text.Name},
- {K: text.ListOpen},
- {K: text.Scalar, T: ST{nok: Enum{}}},
- {K: text.Scalar, T: ST{nok: Enum{}}},
- {K: text.Scalar, T: ST{nok: Enum{}}},
- {K: text.Scalar, T: ST{nok: Enum{}}},
- {K: text.Scalar, T: ST{nok: Enum{}}},
- {K: text.Scalar, T: ST{nok: Enum{}}},
- {K: text.ListClose},
- },
- },
- {
- in: `name: true.`,
- want: []R{
- {K: text.Name},
- {E: `invalid scalar value: true.`},
- },
- },
- // Numeric values.
- {
- in: `nums:42 nums:0x2A nums:052`,
- want: []R{
- {K: text.Name},
- {K: text.Scalar, T: ST{ok: Uint64{42}}},
- {K: text.Name},
- {K: text.Scalar, T: ST{ok: Uint64{42}}},
- {K: text.Name},
- {K: text.Scalar, T: ST{ok: Uint64{42}}},
- },
- },
- {
- in: `nums:[-42, -0x2a, -052]`,
- want: []R{
- {K: text.Name},
- {K: text.ListOpen},
- {K: text.Scalar, T: ST{nok: Uint64{}}},
- {K: text.Scalar, T: ST{nok: Uint64{}}},
- {K: text.Scalar, T: ST{nok: Uint64{}}},
- {K: text.ListClose},
- },
- },
- {
- in: `nums:[-42, -0x2a, -052]`,
- want: []R{
- {K: text.Name},
- {K: text.ListOpen},
- {K: text.Scalar, T: ST{ok: Int64{-42}}},
- {K: text.Scalar, T: ST{ok: Int64{-42}}},
- {K: text.Scalar, T: ST{ok: Int64{-42}}},
- {K: text.ListClose},
- },
- },
- {
- in: `nums: [0,0x0,00,-9876543210,9876543210,0x0123456789abcdef,-0x0123456789abcdef,01234567,-01234567]`,
- want: []R{
- {K: text.Name},
- {K: text.ListOpen},
- {K: text.Scalar, T: ST{ok: Uint64{0}}},
- {K: text.Scalar, T: ST{ok: Int64{0}}},
- {K: text.Scalar, T: ST{ok: Uint64{0}}},
- {K: text.Scalar, T: ST{ok: Int64{-9876543210}}},
- {K: text.Scalar, T: ST{ok: Uint64{9876543210}}},
- {K: text.Scalar, T: ST{ok: Uint64{0x0123456789abcdef}}},
- {K: text.Scalar, T: ST{ok: Int64{-0x0123456789abcdef}}},
- {K: text.Scalar, T: ST{ok: Uint64{01234567}}},
- {K: text.Scalar, T: ST{ok: Int64{-01234567}}},
- {K: text.ListClose},
- },
- },
- {
- in: `nums: [0,0x0,00,-876543210,876543210,0x01234,-0x01234,01234567,-01234567]`,
- want: []R{
- {K: text.Name},
- {K: text.ListOpen},
- {K: text.Scalar, T: ST{ok: Uint32{0}}},
- {K: text.Scalar, T: ST{ok: Int32{0}}},
- {K: text.Scalar, T: ST{ok: Uint32{0}}},
- {K: text.Scalar, T: ST{ok: Int32{-876543210}}},
- {K: text.Scalar, T: ST{ok: Uint32{876543210}}},
- {K: text.Scalar, T: ST{ok: Uint32{0x01234}}},
- {K: text.Scalar, T: ST{ok: Int32{-0x01234}}},
- {K: text.Scalar, T: ST{ok: Uint32{01234567}}},
- {K: text.Scalar, T: ST{ok: Int32{-01234567}}},
- {K: text.ListClose},
- },
- },
- {
- in: `nums: [` +
- fmt.Sprintf("%d", uint64(math.MaxUint64)) + `,` +
- fmt.Sprintf("%d", uint32(math.MaxUint32)) + `,` +
- fmt.Sprintf("%d", int64(math.MaxInt64)) + `,` +
- fmt.Sprintf("%d", int64(math.MinInt64)) + `,` +
- fmt.Sprintf("%d", int32(math.MaxInt32)) + `,` +
- fmt.Sprintf("%d", int32(math.MinInt32)) +
- `]`,
- want: []R{
- {K: text.Name},
- {K: text.ListOpen},
- {K: text.Scalar, T: ST{ok: Uint64{math.MaxUint64}}},
- {K: text.Scalar, T: ST{ok: Uint32{math.MaxUint32}}},
- {K: text.Scalar, T: ST{ok: Int64{math.MaxInt64}}},
- {K: text.Scalar, T: ST{ok: Int64{math.MinInt64}}},
- {K: text.Scalar, T: ST{ok: Int32{math.MaxInt32}}},
- {K: text.Scalar, T: ST{ok: Int32{math.MinInt32}}},
- {K: text.ListClose},
- },
- },
- {
- // Integer exceeds range.
- in: `nums: [` +
- `18446744073709551616,` + // max uint64 + 1
- fmt.Sprintf("%d", uint64(math.MaxUint32+1)) + `,` +
- fmt.Sprintf("%d", uint64(math.MaxInt64+1)) + `,` +
- `-9223372036854775809,` + // min int64 - 1
- fmt.Sprintf("%d", uint64(math.MaxInt32+1)) + `,` +
- fmt.Sprintf("%d", int64(math.MinInt32-1)) + `` +
- `]`,
- want: []R{
- {K: text.Name},
- {K: text.ListOpen},
- {K: text.Scalar, T: ST{nok: Uint64{}}},
- {K: text.Scalar, T: ST{nok: Uint32{}}},
- {K: text.Scalar, T: ST{nok: Int64{}}},
- {K: text.Scalar, T: ST{nok: Int64{}}},
- {K: text.Scalar, T: ST{nok: Int32{}}},
- {K: text.Scalar, T: ST{nok: Int32{}}},
- {K: text.ListClose},
- },
- },
- {
- in: `nums: [0xbeefbeef, 0xbeefbeefbeefbeef]`,
- want: []R{
- {K: text.Name},
- {K: text.ListOpen},
- {
- K: text.Scalar,
- T: func() ST {
- if flags.ProtoLegacy {
- return ST{ok: Int32{-1091584273}}
- }
- return ST{nok: Int32{}}
- }(),
- },
- {
- K: text.Scalar,
- T: func() ST {
- if flags.ProtoLegacy {
- return ST{ok: Int64{-4688318750159552785}}
- }
- return ST{nok: Int64{}}
- }(),
- },
- {K: text.ListClose},
- },
- },
- {
- in: `nums: [0.,0f,1f,10f,-0f,-1f,-10f,1.0,0.1e-3,1.5e+5,1e10,.0]`,
- want: []R{
- {K: text.Name},
- {K: text.ListOpen},
- {K: text.Scalar, T: ST{ok: Float64{0.0}}},
- {K: text.Scalar, T: ST{ok: Float64{0.0}}},
- {K: text.Scalar, T: ST{ok: Float64{1.0}}},
- {K: text.Scalar, T: ST{ok: Float64{10.0}}},
- {K: text.Scalar, T: ST{ok: Float64{math.Copysign(0, -1)}}},
- {K: text.Scalar, T: ST{ok: Float64{-1.0}}},
- {K: text.Scalar, T: ST{ok: Float64{-10.0}}},
- {K: text.Scalar, T: ST{ok: Float64{1.0}}},
- {K: text.Scalar, T: ST{ok: Float64{0.1e-3}}},
- {K: text.Scalar, T: ST{ok: Float64{1.5e+5}}},
- {K: text.Scalar, T: ST{ok: Float64{1.0e+10}}},
- {K: text.Scalar, T: ST{ok: Float64{0.0}}},
- {K: text.ListClose},
- },
- },
- {
- in: `nums: [0.,0f,1f,10f,-0f,-1f,-10f,1.0,0.1e-3,1.5e+5,1e10,.0]`,
- want: []R{
- {K: text.Name},
- {K: text.ListOpen},
- {K: text.Scalar, T: ST{ok: Float32{0.0}}},
- {K: text.Scalar, T: ST{ok: Float32{0.0}}},
- {K: text.Scalar, T: ST{ok: Float32{1.0}}},
- {K: text.Scalar, T: ST{ok: Float32{10.0}}},
- {K: text.Scalar, T: ST{ok: Float32{float32(math.Copysign(0, -1))}}},
- {K: text.Scalar, T: ST{ok: Float32{-1.0}}},
- {K: text.Scalar, T: ST{ok: Float32{-10.0}}},
- {K: text.Scalar, T: ST{ok: Float32{1.0}}},
- {K: text.Scalar, T: ST{ok: Float32{0.1e-3}}},
- {K: text.Scalar, T: ST{ok: Float32{1.5e+5}}},
- {K: text.Scalar, T: ST{ok: Float32{1.0e+10}}},
- {K: text.Scalar, T: ST{ok: Float32{0.0}}},
- {K: text.ListClose},
- },
- },
- {
- in: `nums: [0.,1f,10F,1e1,1.10]`,
- want: []R{
- {K: text.Name},
- {K: text.ListOpen},
- {K: text.Scalar, T: ST{nok: Int64{}}},
- {K: text.Scalar, T: ST{nok: Int64{}}},
- {K: text.Scalar, T: ST{nok: Int64{}}},
- {K: text.Scalar, T: ST{nok: Int64{}}},
- {K: text.Scalar, T: ST{nok: Int64{}}},
- {K: text.ListClose},
- },
- },
- {
- in: `nums: [0.,1f,10F,1e1,1.10]`,
- want: []R{
- {K: text.Name},
- {K: text.ListOpen},
- {K: text.Scalar, T: ST{nok: Int32{}}},
- {K: text.Scalar, T: ST{nok: Int32{}}},
- {K: text.Scalar, T: ST{nok: Int32{}}},
- {K: text.Scalar, T: ST{nok: Int32{}}},
- {K: text.Scalar, T: ST{nok: Int32{}}},
- {K: text.ListClose},
- },
- },
- {
- in: `nums: [0.,1f,10F,1e1,1.10]`,
- want: []R{
- {K: text.Name},
- {K: text.ListOpen},
- {K: text.Scalar, T: ST{nok: Uint64{}}},
- {K: text.Scalar, T: ST{nok: Uint64{}}},
- {K: text.Scalar, T: ST{nok: Uint64{}}},
- {K: text.Scalar, T: ST{nok: Uint64{}}},
- {K: text.Scalar, T: ST{nok: Uint64{}}},
- {K: text.ListClose},
- },
- },
- {
- in: `nums: [0.,1f,10F,1e1,1.10]`,
- want: []R{
- {K: text.Name},
- {K: text.ListOpen},
- {K: text.Scalar, T: ST{nok: Uint32{}}},
- {K: text.Scalar, T: ST{nok: Uint32{}}},
- {K: text.Scalar, T: ST{nok: Uint32{}}},
- {K: text.Scalar, T: ST{nok: Uint32{}}},
- {K: text.Scalar, T: ST{nok: Uint32{}}},
- {K: text.ListClose},
- },
- },
- {
- in: `nums: [` +
- fmt.Sprintf("%g", math.MaxFloat32) + `,` +
- fmt.Sprintf("%g", -math.MaxFloat32) + `,` +
- fmt.Sprintf("%g", math.MaxFloat32*2) + `,` +
- fmt.Sprintf("%g", -math.MaxFloat32*2) + `,` +
- `3.59539e+308,` + // math.MaxFloat64 * 2
- `-3.59539e+308,` + // -math.MaxFloat64 * 2
- fmt.Sprintf("%d000", uint64(math.MaxUint64)) +
- `]`,
- want: []R{
- {K: text.Name},
- {K: text.ListOpen},
- {K: text.Scalar, T: ST{ok: Float32{float32(math.MaxFloat32)}}},
- {K: text.Scalar, T: ST{ok: Float32{float32(-math.MaxFloat32)}}},
- {K: text.Scalar, T: ST{ok: Float32{float32(math.Inf(1))}}},
- {K: text.Scalar, T: ST{ok: Float32{float32(math.Inf(-1))}}},
- {K: text.Scalar, T: ST{ok: Float32{float32(math.Inf(1))}}},
- {K: text.Scalar, T: ST{ok: Float32{float32(math.Inf(-1))}}},
- {K: text.Scalar, T: ST{ok: Float32{float32(math.MaxUint64) * 1000}}},
- {K: text.ListClose},
- },
- },
- {
- in: `nums: [` +
- fmt.Sprintf("%g", math.MaxFloat64) + `,` +
- fmt.Sprintf("%g", -math.MaxFloat64) + `,` +
- `3.59539e+308,` + // math.MaxFloat64 * 2
- `-3.59539e+308,` + // -math.MaxFloat64 * 2
- fmt.Sprintf("%d000", uint64(math.MaxUint64)) +
- `]`,
- want: []R{
- {K: text.Name},
- {K: text.ListOpen},
- {K: text.Scalar, T: ST{ok: Float64{math.MaxFloat64}}},
- {K: text.Scalar, T: ST{ok: Float64{-math.MaxFloat64}}},
- {K: text.Scalar, T: ST{ok: Float64{math.Inf(1)}}},
- {K: text.Scalar, T: ST{ok: Float64{math.Inf(-1)}}},
- {K: text.Scalar, T: ST{ok: Float64{float64(math.MaxUint64) * 1000}}},
- {K: text.ListClose},
- },
- },
- {
- // -0 is only valid for signed types. It is not valid for unsigned types.
- in: `num: [-0, -0]`,
- want: []R{
- {K: text.Name},
- {K: text.ListOpen},
- {K: text.Scalar, T: ST{nok: Uint32{}}},
- {K: text.Scalar, T: ST{nok: Uint64{}}},
- {K: text.ListClose},
- },
- },
- {
- // -0 is only valid for signed types. It is not valid for unsigned types.
- in: `num: [-0, -0]`,
- want: []R{
- {K: text.Name},
- {K: text.ListOpen},
- {K: text.Scalar, T: ST{ok: Int32{0}}},
- {K: text.Scalar, T: ST{ok: Int64{0}}},
- {K: text.ListClose},
- },
- },
- {
- // Negative zeros on float64 should preserve sign bit.
- in: `num: [-0, -.0]`,
- want: []R{
- {K: text.Name},
- {K: text.ListOpen},
- {K: text.Scalar, T: ST{ok: Float64{math.Copysign(0, -1)}}},
- {K: text.Scalar, T: ST{ok: Float64{math.Copysign(0, -1)}}},
- {K: text.ListClose},
- },
- },
- {
- // Negative zeros on float32 should preserve sign bit.
- in: `num: [-0, -.0]`,
- want: []R{
- {K: text.Name},
- {K: text.ListOpen},
- {K: text.Scalar, T: ST{ok: Float32{float32(math.Copysign(0, -1))}}},
- {K: text.Scalar, T: ST{ok: Float32{float32(math.Copysign(0, -1))}}},
- {K: text.ListClose},
- },
- },
- {
- in: `num: +0`,
- want: []R{
- {K: text.Name},
- {E: `invalid scalar value: +`},
- },
- },
- {
- in: `num: 01.1234`,
- want: []R{
- {K: text.Name},
- {E: `invalid scalar value: 01.1234`},
- },
- },
- {
- in: `num: 0x`,
- want: []R{
- {K: text.Name},
- {E: `invalid scalar value: 0x`},
- },
- },
- {
- in: `num: 0xX`,
- want: []R{
- {K: text.Name},
- {E: `invalid scalar value: 0xX`},
- },
- },
- {
- in: `num: 0800`,
- want: []R{
- {K: text.Name},
- {E: `invalid scalar value: 0800`},
- },
- },
- {
- in: `num: 1.`,
- want: []R{
- {K: text.Name},
- {K: text.Scalar, T: ST{ok: Float32{1.0}}},
- },
- },
- {
- in: `num: -.`,
- want: []R{
- {K: text.Name},
- {E: `invalid scalar value: -.`},
- },
- },
- // Float special literal values, case-insensitive match.
- {
- in: `name:[nan, NaN, Nan, NAN]`,
- want: []R{
- {K: text.Name},
- {K: text.ListOpen},
- {K: text.Scalar, T: ST{ok: Float64{math.NaN()}}},
- {K: text.Scalar, T: ST{ok: Float64{math.NaN()}}},
- {K: text.Scalar, T: ST{ok: Float64{math.NaN()}}},
- {K: text.Scalar, T: ST{ok: Float64{math.NaN()}}},
- {K: text.ListClose},
- },
- },
- {
- in: `name:[inf, INF, infinity, Infinity, INFinity]`,
- want: []R{
- {K: text.Name},
- {K: text.ListOpen},
- {K: text.Scalar, T: ST{ok: Float64{math.Inf(1)}}},
- {K: text.Scalar, T: ST{ok: Float64{math.Inf(1)}}},
- {K: text.Scalar, T: ST{ok: Float64{math.Inf(1)}}},
- {K: text.Scalar, T: ST{ok: Float64{math.Inf(1)}}},
- {K: text.Scalar, T: ST{ok: Float64{math.Inf(1)}}},
- {K: text.ListClose},
- },
- },
- {
- in: `name:[-inf, -INF, -infinity, -Infinity, -INFinity]`,
- want: []R{
- {K: text.Name},
- {K: text.ListOpen},
- {K: text.Scalar, T: ST{ok: Float64{math.Inf(-1)}}},
- {K: text.Scalar, T: ST{ok: Float64{math.Inf(-1)}}},
- {K: text.Scalar, T: ST{ok: Float64{math.Inf(-1)}}},
- {K: text.Scalar, T: ST{ok: Float64{math.Inf(-1)}}},
- {K: text.Scalar, T: ST{ok: Float64{math.Inf(-1)}}},
- {K: text.ListClose},
- },
- },
- {
- in: `name:[nan, NaN, Nan, NAN]`,
- want: []R{
- {K: text.Name},
- {K: text.ListOpen},
- {K: text.Scalar, T: ST{ok: Float32{float32(math.NaN())}}},
- {K: text.Scalar, T: ST{ok: Float32{float32(math.NaN())}}},
- {K: text.Scalar, T: ST{ok: Float32{float32(math.NaN())}}},
- {K: text.Scalar, T: ST{ok: Float32{float32(math.NaN())}}},
- {K: text.ListClose},
- },
- },
- {
- in: `name:[inf, INF, infinity, Infinity, INFinity]`,
- want: []R{
- {K: text.Name},
- {K: text.ListOpen},
- {K: text.Scalar, T: ST{ok: Float32{float32(math.Inf(1))}}},
- {K: text.Scalar, T: ST{ok: Float32{float32(math.Inf(1))}}},
- {K: text.Scalar, T: ST{ok: Float32{float32(math.Inf(1))}}},
- {K: text.Scalar, T: ST{ok: Float32{float32(math.Inf(1))}}},
- {K: text.Scalar, T: ST{ok: Float32{float32(math.Inf(1))}}},
- {K: text.ListClose},
- },
- },
- {
- in: `name:[-inf, -INF, -infinity, -Infinity, -INFinity]`,
- want: []R{
- {K: text.Name},
- {K: text.ListOpen},
- {K: text.Scalar, T: ST{ok: Float32{float32(math.Inf(-1))}}},
- {K: text.Scalar, T: ST{ok: Float32{float32(math.Inf(-1))}}},
- {K: text.Scalar, T: ST{ok: Float32{float32(math.Inf(-1))}}},
- {K: text.Scalar, T: ST{ok: Float32{float32(math.Inf(-1))}}},
- {K: text.Scalar, T: ST{ok: Float32{float32(math.Inf(-1))}}},
- {K: text.ListClose},
- },
- },
- {
- // C++ permits this, but we currently reject this. It is easy to add
- // if needed.
- in: `name: -nan`,
- want: []R{
- {K: text.Name},
- {K: text.Scalar, T: ST{nok: Float64{}}},
- },
- },
- // Messages.
- {
- in: `m: {}`,
- want: []R{
- {K: text.Name},
- {K: text.MessageOpen},
- {K: text.MessageClose},
- {K: text.EOF},
- },
- },
- {
- in: `m: <>`,
- want: []R{
- {K: text.Name},
- {K: text.MessageOpen},
- {K: text.MessageClose},
- {K: text.EOF},
- },
- },
- {
- in: space + `m {` + space + "\n# comment\n" + `}` + space,
- want: []R{
- {K: text.Name},
- {K: text.MessageOpen},
- {K: text.MessageClose},
- },
- },
- {
- in: `m { foo: < bar: "hello" > }`,
- want: []R{
- {K: text.Name, RS: "m"},
- {K: text.MessageOpen},
- {K: text.Name, RS: "foo"},
- {K: text.MessageOpen},
- {K: text.Name, RS: "bar"},
- {K: text.Scalar, T: ST{ok: Str{"hello"}}},
- {K: text.MessageClose},
- {K: text.MessageClose},
- },
- },
- {
- in: `list [ <s:"hello">, {s:"world"} ]`,
- want: []R{
- {K: text.Name, RS: "list"},
- {K: text.ListOpen},
- {K: text.MessageOpen},
- {K: text.Name, RS: "s"},
- {K: text.Scalar, T: ST{ok: Str{"hello"}}},
- {K: text.MessageClose},
- {K: text.MessageOpen},
- {K: text.Name, RS: "s"},
- {K: text.Scalar, T: ST{ok: Str{"world"}}},
- {K: text.MessageClose},
- {K: text.ListClose},
- {K: text.EOF},
- },
- },
- {
- in: `m: { >`,
- want: []R{
- {K: text.Name},
- {K: text.MessageOpen},
- {E: `mismatched close character '>'`},
- },
- },
- {
- in: `m: <s: "hello"}`,
- want: []R{
- {K: text.Name},
- {K: text.MessageOpen},
- {K: text.Name},
- {K: text.Scalar, T: ST{ok: Str{"hello"}}},
- {E: `mismatched close character '}'`},
- },
- },
- {
- in: `{}`,
- want: []R{{E: `invalid field name: {`}},
- },
- {
- in: `
- m: {
- foo: true;
- bar: {
- enum: ENUM
- list: [ < >, { } ] ;
- }
- [qux]: "end"
- }
- `,
- want: []R{
- {K: text.Name},
- {K: text.MessageOpen},
- {K: text.Name, RS: "foo"},
- {K: text.Scalar, T: ST{ok: Bool{true}}},
- {K: text.Name, RS: "bar"},
- {K: text.MessageOpen},
- {K: text.Name, RS: "enum"},
- {K: text.Scalar, T: ST{ok: Enum{"ENUM"}}},
- {K: text.Name, RS: "list"},
- {K: text.ListOpen},
- {K: text.MessageOpen},
- {K: text.MessageClose},
- {K: text.MessageOpen},
- {K: text.MessageClose},
- {K: text.ListClose},
- {K: text.MessageClose},
- {K: text.Name, RS: "[qux]"},
- {K: text.Scalar, T: ST{ok: Str{"end"}}},
- {K: text.MessageClose},
- {K: text.EOF},
- },
- },
- // Other syntax errors.
- {
- in: "x: -",
- want: []R{
- {K: text.Name},
- {E: `syntax error (line 1:4): invalid scalar value: -`},
- },
- },
- {
- in: "x:[\"π©\"x",
- want: []R{
- {K: text.Name},
- {K: text.ListOpen},
- {K: text.Scalar, T: ST{ok: Str{"π©"}}, P: 3},
- {E: `syntax error (line 1:7)`},
- },
- },
- {
- in: "x:\n\n[\"π₯π₯π₯\"x",
- want: []R{
- {K: text.Name},
- {K: text.ListOpen},
- {K: text.Scalar, T: ST{ok: Str{"π₯π₯π₯"}}, P: 5},
- {E: `syntax error (line 3:7)`},
- },
- },
- {
- // multi-rune emojis; could be column:8
- in: "x:[\"ππ»ππΏ\"x",
- want: []R{
- {K: text.Name},
- {K: text.ListOpen},
- {K: text.Scalar, T: ST{ok: Str{"ππ»ππΏ"}}, P: 3},
- {E: `syntax error (line 1:10)`},
- },
- },
- }
- for _, tc := range tests {
- t.Run("", func(t *testing.T) {
- tc := tc
- in := []byte(tc.in)
- dec := text.NewDecoder(in[:len(in):len(in)])
- for i, want := range tc.want {
- peekTok, peekErr := dec.Peek()
- tok, err := dec.Read()
- if err != nil {
- if want.E == "" {
- errorf(t, tc.in, "Read() got unexpected error: %v", err)
- } else if !strings.Contains(err.Error(), want.E) {
- errorf(t, tc.in, "Read() got %q, want %q", err, want.E)
- }
- return
- }
- if want.E != "" {
- errorf(t, tc.in, "Read() got nil error, want %q", want.E)
- return
- }
- gotK := tok.Kind()
- if gotK != want.K {
- errorf(t, tc.in, "Read() got %v, want %v", gotK, want.K)
- return
- }
- checkToken(t, tok, i, want, tc.in)
- if !cmp.Equal(tok, peekTok, cmp.Comparer(text.TokenEquals)) {
- errorf(t, tc.in, "Peek() %+v != Read() token %+v", peekTok, tok)
- }
- if err != peekErr {
- errorf(t, tc.in, "Peek() error %v != Read() error %v", err, peekErr)
- }
- }
- })
- }
- }
- func checkToken(t *testing.T, tok text.Token, idx int, r R, in string) {
- // Validate Token.Pos() if R.P is set.
- if r.P > 0 {
- got := tok.Pos()
- if got != r.P {
- errorf(t, in, "want#%d: Token.Pos() got %v want %v", idx, got, r.P)
- }
- }
- // Validate Token.RawString if R.RS is set.
- if len(r.RS) > 0 {
- got := tok.RawString()
- if got != r.RS {
- errorf(t, in, "want#%d: Token.RawString() got %v want %v", idx, got, r.P)
- }
- }
- // Skip checking for Token details if r.T is not set.
- if r.T == nil {
- return
- }
- switch tok.Kind() {
- case text.Name:
- want := r.T.(NT)
- kind := tok.NameKind()
- if kind != want.K {
- errorf(t, in, "want#%d: Token.NameKind() got %v want %v", idx, kind, want.K)
- return
- }
- switch kind {
- case text.IdentName:
- got := tok.IdentName()
- if got != want.S {
- errorf(t, in, "want#%d: Token.IdentName() got %v want %v", idx, got, want.S)
- }
- case text.TypeName:
- got := tok.TypeName()
- if got != want.S {
- errorf(t, in, "want#%d: Token.TypeName() got %v want %v", idx, got, want.S)
- }
- case text.FieldNumber:
- got := tok.FieldNumber()
- if got != want.N {
- errorf(t, in, "want#%d: Token.FieldNumber() got %v want %v", idx, got, want.N)
- }
- }
- case text.Scalar:
- want := r.T.(ST)
- if ok := want.ok; ok != nil {
- if err := ok.checkOk(tok); err != "" {
- errorf(t, in, "want#%d: %s", idx, err)
- }
- }
- if nok := want.nok; nok != nil {
- if err := nok.checkNok(tok); err != "" {
- errorf(t, in, "want#%d: %s", idx, err)
- }
- }
- }
- }
- func errorf(t *testing.T, in string, fmtStr string, args ...interface{}) {
- t.Helper()
- vargs := []interface{}{in}
- for _, arg := range args {
- vargs = append(vargs, arg)
- }
- t.Errorf("input:\n%s\n~end~\n"+fmtStr, vargs...)
- }
- func TestUnmarshalString(t *testing.T) {
- tests := []struct {
- in string
- // want is expected string result.
- want string
- // err is expected error substring from calling DecodeString if set.
- err string
- }{
- {
- in: func() string {
- var b []byte
- for i := 0; i < utf8.RuneSelf; i++ {
- switch i {
- case 0, '\\', '\n', '\'': // these must be escaped, so ignore them
- default:
- b = append(b, byte(i))
- }
- }
- return "'" + string(b) + "'"
- }(),
- want: "\x01\x02\x03\x04\x05\x06\a\b\t\v\f\r\x0e\x0f\x10\x11\x12\x13\x14\x15\x16\x17\x18\x19\x1a\x1b\x1c\x1d\x1e\x1f !\"#$%&()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[]^_`abcdefghijklmnopqrstuvwxyz{|}~\u007f",
- },
- {
- in: "'\xde\xad\xbe\xef'",
- err: `invalid UTF-8 detected`,
- },
- {
- // Valid UTF-8 wire encoding, but sub-optimal encoding.
- in: "'\xc0\x80'",
- err: "invalid UTF-8 detected",
- },
- {
- // Valid UTF-8 wire encoding, but invalid rune (surrogate pair).
- in: "'\xed\xa0\x80'",
- err: "invalid UTF-8 detected",
- },
- {
- // Valid UTF-8 wire encoding, but invalid rune (above max rune).
- in: "'\xf7\xbf\xbf\xbf'",
- err: "invalid UTF-8 detected",
- },
- {
- // Valid UTF-8 wire encoding of the RuneError rune.
- in: "'\xef\xbf\xbd'",
- want: string(utf8.RuneError),
- },
- {
- in: "'hello\u1234world'",
- want: "hello\u1234world",
- },
- {
- in: `'\"\'\\\?\a\b\n\r\t\v\f\1\12\123\xA\xaB\x12\uAb8f\U0010FFFF'`,
- want: "\"'\\?\a\b\n\r\t\v\f\x01\nS\n\xab\x12\uab8f\U0010ffff",
- },
- {
- in: `str: '\8'`,
- err: `invalid escape code "\\8" in string`,
- },
- {
- in: `'\1x'`,
- want: "\001x",
- },
- {
- in: `'\12x'`,
- want: "\012x",
- },
- {
- in: `'\123x'`,
- want: "\123x",
- },
- {
- in: `'\1234x'`,
- want: "\1234x",
- },
- {
- in: `'\1'`,
- want: "\001",
- },
- {
- in: `'\12'`,
- want: "\012",
- },
- {
- in: `'\123'`,
- want: "\123",
- },
- {
- in: `'\1234'`,
- want: "\1234",
- },
- {
- in: `'\377'`,
- want: "\377",
- },
- {
- // Overflow octal escape.
- in: `'\400'`,
- err: `invalid octal escape code "\\400" in string`,
- },
- {
- in: `'\xfx'`,
- want: "\x0fx",
- },
- {
- in: `'\xffx'`,
- want: "\xffx",
- },
- {
- in: `'\xfffx'`,
- want: "\xfffx",
- },
- {
- in: `'\xf'`,
- want: "\x0f",
- },
- {
- in: `'\xff'`,
- want: "\xff",
- },
- {
- in: `'\xfff'`,
- want: "\xfff",
- },
- {
- in: `'\xz'`,
- err: `invalid hex escape code "\\x" in string`,
- },
- {
- in: `'\uPo'`,
- err: eofErr,
- },
- {
- in: `'\uPoo'`,
- err: `invalid Unicode escape code "\\uPoo'" in string`,
- },
- {
- in: `str: '\uPoop'`,
- err: `invalid Unicode escape code "\\uPoop" in string`,
- },
- {
- // Unmatched surrogate pair.
- in: `str: '\uDEAD'`,
- err: `unexpected EOF`, // trying to reader other half
- },
- {
- // Surrogate pair with invalid other half.
- in: `str: '\uDEAD\u0000'`,
- err: `invalid Unicode escape code "\\u0000" in string`,
- },
- {
- // Properly matched surrogate pair.
- in: `'\uD800\uDEAD'`,
- want: "π",
- },
- {
- // Overflow on Unicode rune.
- in: `'\U00110000'`,
- err: `invalid Unicode escape code "\\U00110000" in string`,
- },
- {
- in: `'\z'`,
- err: `invalid escape code "\\z" in string`,
- },
- {
- // Strings cannot have NUL literal since C-style strings forbid them.
- in: "'\x00'",
- err: `invalid character '\x00' in string`,
- },
- {
- // Strings cannot have newline literal. The C++ permits them if an
- // option is specified to allow them. In Go, we always forbid them.
- in: "'\n'",
- err: `invalid character '\n' in string`,
- },
- }
- for _, tc := range tests {
- t.Run("", func(t *testing.T) {
- got, err := text.UnmarshalString(tc.in)
- if err != nil {
- if tc.err == "" {
- errorf(t, tc.in, "UnmarshalString() got unexpected error: %q", err)
- } else if !strings.Contains(err.Error(), tc.err) {
- errorf(t, tc.in, "UnmarshalString() error got %q, want %q", err, tc.err)
- }
- return
- }
- if tc.err != "" {
- errorf(t, tc.in, "UnmarshalString() got nil error, want %q", tc.err)
- return
- }
- if got != tc.want {
- errorf(t, tc.in, "UnmarshalString()\n[got]\n%s\n[want]\n%s", got, tc.want)
- }
- })
- }
- }
- // Tests line and column number produced by Decoder.Position.
- func TestPosition(t *testing.T) {
- dec := text.NewDecoder([]byte("0123456789\n12345\n789"))
- tests := []struct {
- pos int
- row int
- col int
- }{
- {
- pos: 0,
- row: 1,
- col: 1,
- },
- {
- pos: 10,
- row: 1,
- col: 11,
- },
- {
- pos: 11,
- row: 2,
- col: 1,
- },
- {
- pos: 18,
- row: 3,
- col: 2,
- },
- }
- for _, tc := range tests {
- t.Run("", func(t *testing.T) {
- row, col := dec.Position(tc.pos)
- if row != tc.row || col != tc.col {
- t.Errorf("Position(%d) got (%d,%d) want (%d,%d)", tc.pos, row, col, tc.row, tc.col)
- }
- })
- }
- }
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