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tc39_test.go
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package goja
import (
"errors"
"fmt"
"io"
"os"
"path"
"runtime/debug"
"sort"
"strings"
"sync"
"testing"
"time"
"github.com/Masterminds/semver/v3"
"gopkg.in/yaml.v2"
)
const (
tc39BASE = "testdata/test262"
)
var (
invalidFormatError = errors.New("Invalid file format")
ignorableTestError = newSymbol(stringEmpty)
)
var (
skipPrefixes prefixList
skipList = map[string]bool{
// out-of-date (https://github.com/tc39/test262/issues/3407)
"test/language/expressions/prefix-increment/S11.4.4_A6_T3.js": true,
"test/language/expressions/prefix-increment/S11.4.4_A6_T2.js": true,
"test/language/expressions/prefix-increment/S11.4.4_A6_T1.js": true,
"test/language/expressions/prefix-decrement/S11.4.5_A6_T3.js": true,
"test/language/expressions/prefix-decrement/S11.4.5_A6_T2.js": true,
"test/language/expressions/prefix-decrement/S11.4.5_A6_T1.js": true,
"test/language/expressions/postfix-increment/S11.3.1_A6_T3.js": true,
"test/language/expressions/postfix-increment/S11.3.1_A6_T2.js": true,
"test/language/expressions/postfix-increment/S11.3.1_A6_T1.js": true,
"test/language/expressions/postfix-decrement/S11.3.2_A6_T3.js": true,
"test/language/expressions/postfix-decrement/S11.3.2_A6_T2.js": true,
"test/language/expressions/postfix-decrement/S11.3.2_A6_T1.js": true,
"test/language/expressions/compound-assignment/S11.13.2_A7.1_T4.js": true,
"test/language/expressions/compound-assignment/S11.13.2_A7.1_T2.js": true,
"test/language/expressions/compound-assignment/S11.13.2_A7.1_T1.js": true,
"test/language/expressions/compound-assignment/S11.13.2_A7.11_T4.js": true,
"test/language/expressions/compound-assignment/S11.13.2_A7.11_T2.js": true,
"test/language/expressions/compound-assignment/S11.13.2_A7.11_T1.js": true,
"test/language/expressions/compound-assignment/S11.13.2_A7.10_T4.js": true,
"test/language/expressions/compound-assignment/S11.13.2_A7.10_T2.js": true,
"test/language/expressions/compound-assignment/S11.13.2_A7.10_T1.js": true,
"test/language/expressions/compound-assignment/S11.13.2_A7.9_T4.js": true,
"test/language/expressions/compound-assignment/S11.13.2_A7.9_T2.js": true,
"test/language/expressions/compound-assignment/S11.13.2_A7.9_T1.js": true,
"test/language/expressions/compound-assignment/S11.13.2_A7.8_T4.js": true,
"test/language/expressions/compound-assignment/S11.13.2_A7.8_T2.js": true,
"test/language/expressions/compound-assignment/S11.13.2_A7.8_T1.js": true,
"test/language/expressions/compound-assignment/S11.13.2_A7.7_T4.js": true,
"test/language/expressions/compound-assignment/S11.13.2_A7.7_T2.js": true,
"test/language/expressions/compound-assignment/S11.13.2_A7.7_T1.js": true,
"test/language/expressions/compound-assignment/S11.13.2_A7.6_T4.js": true,
"test/language/expressions/compound-assignment/S11.13.2_A7.6_T2.js": true,
"test/language/expressions/compound-assignment/S11.13.2_A7.6_T1.js": true,
"test/language/expressions/compound-assignment/S11.13.2_A7.5_T4.js": true,
"test/language/expressions/compound-assignment/S11.13.2_A7.5_T2.js": true,
"test/language/expressions/compound-assignment/S11.13.2_A7.5_T1.js": true,
"test/language/expressions/compound-assignment/S11.13.2_A7.4_T4.js": true,
"test/language/expressions/compound-assignment/S11.13.2_A7.4_T2.js": true,
"test/language/expressions/compound-assignment/S11.13.2_A7.4_T1.js": true,
"test/language/expressions/compound-assignment/S11.13.2_A7.3_T4.js": true,
"test/language/expressions/compound-assignment/S11.13.2_A7.3_T2.js": true,
"test/language/expressions/compound-assignment/S11.13.2_A7.3_T1.js": true,
"test/language/expressions/compound-assignment/S11.13.2_A7.2_T4.js": true,
"test/language/expressions/compound-assignment/S11.13.2_A7.2_T2.js": true,
"test/language/expressions/compound-assignment/S11.13.2_A7.2_T1.js": true,
"test/language/expressions/assignment/S11.13.1_A7_T3.js": true,
// timezone
"test/built-ins/Date/prototype/toISOString/15.9.5.43-0-8.js": true,
"test/built-ins/Date/prototype/toISOString/15.9.5.43-0-9.js": true,
"test/built-ins/Date/prototype/toISOString/15.9.5.43-0-10.js": true,
// floating point date calculations
"test/built-ins/Date/UTC/fp-evaluation-order.js": true,
// quantifier integer limit in regexp
"test/built-ins/RegExp/quantifier-integer-limit.js": true,
// GetFunctionRealm
"test/built-ins/Function/internals/Construct/base-ctor-revoked-proxy.js": true,
// Uses deprecated __lookupGetter__/__lookupSetter__
"test/language/expressions/class/elements/private-getter-is-not-a-own-property.js": true,
"test/language/expressions/class/elements/private-setter-is-not-a-own-property.js": true,
"test/language/statements/class/elements/private-setter-is-not-a-own-property.js": true,
"test/language/statements/class/elements/private-getter-is-not-a-own-property.js": true,
// restricted unicode regexp syntax
"test/built-ins/RegExp/unicode_restricted_quantifiable_assertion.js": true,
"test/built-ins/RegExp/unicode_restricted_octal_escape.js": true,
"test/built-ins/RegExp/unicode_restricted_incomple_quantifier.js": true,
"test/built-ins/RegExp/unicode_restricted_incomplete_quantifier.js": true,
"test/built-ins/RegExp/unicode_restricted_identity_escape_x.js": true,
"test/built-ins/RegExp/unicode_restricted_identity_escape_u.js": true,
"test/built-ins/RegExp/unicode_restricted_identity_escape_c.js": true,
"test/built-ins/RegExp/unicode_restricted_identity_escape_alpha.js": true,
"test/built-ins/RegExp/unicode_restricted_identity_escape.js": true,
"test/built-ins/RegExp/unicode_restricted_brackets.js": true,
"test/built-ins/RegExp/unicode_restricted_character_class_escape.js": true,
"test/annexB/built-ins/RegExp/prototype/compile/pattern-string-invalid-u.js": true,
// Because goja parser works in UTF-8 it is not possible to pass strings containing invalid UTF-16 code points.
// This is mitigated by escaping them as \uXXXX, however because of this the RegExp source becomes
// `\uXXXX` instead of `<the actual UTF-16 code point of XXXX>`.
// The resulting RegExp will work exactly the same, but it causes these two tests to fail.
"test/annexB/built-ins/RegExp/RegExp-leading-escape-BMP.js": true,
"test/annexB/built-ins/RegExp/RegExp-trailing-escape-BMP.js": true,
"test/language/literals/regexp/S7.8.5_A1.4_T2.js": true,
"test/language/literals/regexp/S7.8.5_A1.1_T2.js": true,
"test/language/literals/regexp/S7.8.5_A2.1_T2.js": true,
"test/language/literals/regexp/S7.8.5_A2.4_T2.js": true,
// async generator
"test/language/expressions/optional-chaining/member-expression.js": true,
"test/language/expressions/class/elements/same-line-async-method-rs-static-async-generator-method-privatename-identifier-alt.js": true,
"test/language/expressions/class/elements/same-line-async-method-rs-static-async-generator-method-privatename-identifier.js": true,
"test/language/destructuring/binding/syntax/destructuring-object-parameters-function-arguments-length.js": true,
"test/language/destructuring/binding/syntax/destructuring-array-parameters-function-arguments-length.js": true,
"test/language/comments/hashbang/function-constructor.js": true,
"test/language/statements/class/elements/after-same-line-static-async-method-rs-static-async-generator-method-privatename-identifier.js": true,
"test/language/statements/class/elements/after-same-line-static-async-method-rs-static-async-generator-method-privatename-identifier-alt.js": true,
"test/language/statements/class/elements/same-line-async-method-rs-static-async-generator-method-privatename-identifier.js": true,
"test/language/statements/class/elements/same-line-async-method-rs-static-async-generator-method-privatename-identifier-alt.js": true,
"test/language/expressions/class/elements/after-same-line-static-async-method-rs-static-async-generator-method-privatename-identifier-alt.js": true,
"test/language/expressions/class/elements/after-same-line-static-async-method-rs-static-async-generator-method-privatename-identifier.js": true,
"test/built-ins/Object/seal/seal-asyncgeneratorfunction.js": true,
"test/language/statements/switch/scope-lex-async-generator.js": true,
"test/language/statements/class/elements/private-async-generator-method-name.js": true,
"test/language/expressions/class/elements/private-async-generator-method-name.js": true,
"test/language/expressions/async-generator/name.js": true,
"test/language/statements/class/elements/same-line-gen-rs-static-async-generator-method-privatename-identifier.js": true,
"test/language/statements/class/elements/same-line-gen-rs-static-async-generator-method-privatename-identifier-alt.js": true,
"test/language/statements/class/elements/new-sc-line-gen-rs-static-async-generator-method-privatename-identifier.js": true,
"test/language/statements/class/elements/new-sc-line-gen-rs-static-async-generator-method-privatename-identifier-alt.js": true,
"test/language/statements/class/elements/after-same-line-static-gen-rs-static-async-generator-method-privatename-identifier.js": true,
"test/language/statements/class/elements/after-same-line-static-gen-rs-static-async-generator-method-privatename-identifier-alt.js": true,
"test/language/statements/class/elements/after-same-line-gen-rs-static-async-generator-method-privatename-identifier.js": true,
"test/language/statements/class/elements/after-same-line-gen-rs-static-async-generator-method-privatename-identifier-alt.js": true,
"test/language/expressions/class/elements/same-line-gen-rs-static-async-generator-method-privatename-identifier.js": true,
"test/language/expressions/class/elements/same-line-gen-rs-static-async-generator-method-privatename-identifier-alt.js": true,
"test/language/expressions/class/elements/new-sc-line-gen-rs-static-async-generator-method-privatename-identifier.js": true,
"test/language/expressions/class/elements/new-sc-line-gen-rs-static-async-generator-method-privatename-identifier-alt.js": true,
"test/language/expressions/class/elements/after-same-line-static-gen-rs-static-async-generator-method-privatename-identifier.js": true,
"test/language/expressions/class/elements/after-same-line-static-gen-rs-static-async-generator-method-privatename-identifier-alt.js": true,
"test/language/expressions/class/elements/after-same-line-gen-rs-static-async-generator-method-privatename-identifier.js": true,
"test/language/expressions/class/elements/after-same-line-gen-rs-static-async-generator-method-privatename-identifier-alt.js": true,
"test/built-ins/GeneratorFunction/is-a-constructor.js": true,
// async iterator
"test/language/expressions/optional-chaining/iteration-statement-for-await-of.js": true,
// legacy number literals
"test/language/literals/numeric/non-octal-decimal-integer.js": true,
"test/language/literals/string/S7.8.4_A4.3_T2.js": true,
"test/language/literals/string/S7.8.4_A4.3_T1.js": true,
// Regexp
"test/language/literals/regexp/invalid-range-negative-lookbehind.js": true,
"test/language/literals/regexp/invalid-range-lookbehind.js": true,
"test/language/literals/regexp/invalid-optional-negative-lookbehind.js": true,
"test/language/literals/regexp/invalid-optional-lookbehind.js": true,
// unicode full case folding
"test/built-ins/RegExp/unicode_full_case_folding.js": true,
// FIXME bugs
// Left-hand side as a CoverParenthesizedExpression
"test/language/expressions/assignment/fn-name-lhs-cover.js": true,
// Character \ missing from character class [\c]
"test/annexB/built-ins/RegExp/RegExp-invalid-control-escape-character-class.js": true,
"test/annexB/built-ins/RegExp/RegExp-control-escape-russian-letter.js": true,
// Skip due to regexp named groups
"test/built-ins/String/prototype/replaceAll/searchValue-replacer-RegExp-call.js": true,
"test/built-ins/RegExp/nullable-quantifier.js": true,
"test/built-ins/RegExp/lookahead-quantifier-match-groups.js": true,
}
featuresBlackList = []string{
"async-iteration",
"Symbol.asyncIterator",
"resizable-arraybuffer",
"regexp-named-groups",
"regexp-duplicate-named-groups",
"regexp-unicode-property-escapes",
"regexp-match-indices",
"regexp-modifiers",
"RegExp.escape",
"legacy-regexp",
"tail-call-optimization",
"Temporal",
"import-assertions",
"dynamic-import",
"import.meta",
"Atomics",
"Atomics.waitAsync",
"Atomics.pause",
"FinalizationRegistry",
"WeakRef",
"__getter__",
"__setter__",
"ShadowRealm",
"SharedArrayBuffer",
"decorators",
"regexp-v-flag",
"iterator-helpers",
"symbols-as-weakmap-keys",
"uint8array-base64",
"String.prototype.toWellFormed",
"explicit-resource-management",
"set-methods",
"promise-try",
"promise-with-resolvers",
"array-grouping",
"Math.sumPrecise",
"Float16Array",
"arraybuffer-transfer",
"Array.fromAsync",
"String.prototype.isWellFormed",
}
)
var goVersion *semver.Version
func init() {
if info, ok := debug.ReadBuildInfo(); ok {
goVersion = semver.MustParse(strings.TrimPrefix(info.GoVersion, "go"))
} else {
panic("Could not read build info")
}
skip := func(prefixes ...string) {
for _, prefix := range prefixes {
skipPrefixes.Add(prefix)
}
}
if goVersion.LessThan(semver.MustParse("1.21")) {
skip(
// Go <1.21 only supports Unicode 13
"test/language/identifiers/start-unicode-14.",
"test/language/identifiers/part-unicode-14.",
"test/language/identifiers/start-unicode-15.",
"test/language/identifiers/part-unicode-15.",
)
}
skip(
// generators and async generators (harness/hidden-constructors.js)
"test/built-ins/Async",
// async generators
"test/language/statements/class/elements/wrapped-in-sc-rs-static-async-generator-",
"test/language/statements/class/elements/same-line-method-rs-static-async-generator-",
"test/language/statements/class/elements/regular-definitions-rs-static-async-generator-",
"test/language/statements/class/elements/private-static-async-generator-",
"test/language/statements/class/elements/new-sc-line-method-rs-static-async-generator-",
"test/language/statements/class/elements/multiple-stacked-definitions-rs-static-async-generator-",
"test/language/statements/class/elements/new-no-sc-line-method-rs-static-async-generator-",
"test/language/statements/class/elements/multiple-definitions-rs-static-async-generator-",
"test/language/statements/class/elements/after-same-line-static-method-rs-static-async-generator-",
"test/language/statements/class/elements/after-same-line-method-rs-static-async-generator-",
"test/language/statements/class/elements/after-same-line-static-method-rs-static-async-generator-",
"test/language/expressions/class/elements/wrapped-in-sc-rs-static-async-generator-",
"test/language/expressions/class/elements/same-line-method-rs-static-async-generator-",
"test/language/expressions/class/elements/regular-definitions-rs-static-async-generator-",
"test/language/expressions/class/elements/private-static-async-generator-",
"test/language/expressions/class/elements/new-sc-line-method-rs-static-async-generator-",
"test/language/expressions/class/elements/multiple-stacked-definitions-rs-static-async-generator-",
"test/language/expressions/class/elements/new-no-sc-line-method-rs-static-async-generator-",
"test/language/expressions/class/elements/multiple-definitions-rs-static-async-generator-",
"test/language/expressions/class/elements/after-same-line-static-method-rs-static-async-generator-",
"test/language/expressions/class/elements/after-same-line-method-rs-static-async-generator-",
"test/language/expressions/class/elements/after-same-line-static-method-rs-static-async-generator-",
"test/language/eval-code/direct/async-gen-",
// restricted unicode regexp syntax
"test/language/literals/regexp/u-",
// legacy octal escape in strings in strict mode
"test/language/literals/string/legacy-octal-",
"test/language/literals/string/legacy-non-octal-",
// modules
"test/language/export/",
"test/language/import/",
"test/language/module-code/",
)
}
type tc39Test struct {
name string
f func(t *testing.T)
}
type tc39BenchmarkItem struct {
name string
duration time.Duration
}
type tc39BenchmarkData []tc39BenchmarkItem
type tc39TestCtx struct {
base string
t *testing.T
prgCache map[string]*Program
prgCacheLock sync.Mutex
enableBench bool
benchmark tc39BenchmarkData
benchLock sync.Mutex
sabStub *Program
//lint:ignore U1000 Only used with race
testQueue []tc39Test
}
type TC39MetaNegative struct {
Phase, Type string
}
type tc39Meta struct {
Negative TC39MetaNegative
Includes []string
Flags []string
Features []string
Es5id string
Es6id string
Esid string
}
type prefixList struct {
prefixes map[int]map[string]struct{}
}
func (pl *prefixList) Add(prefix string) {
l := pl.prefixes[len(prefix)]
if l == nil {
l = make(map[string]struct{})
if pl.prefixes == nil {
pl.prefixes = make(map[int]map[string]struct{})
}
pl.prefixes[len(prefix)] = l
}
l[prefix] = struct{}{}
}
func (pl *prefixList) Match(s string) bool {
for l, prefixes := range pl.prefixes {
if len(s) >= l {
if _, exists := prefixes[s[:l]]; exists {
return true
}
}
}
return false
}
func (m *tc39Meta) hasFlag(flag string) bool {
for _, f := range m.Flags {
if f == flag {
return true
}
}
return false
}
func parseTC39File(name string) (*tc39Meta, string, error) {
f, err := os.Open(name)
if err != nil {
return nil, "", err
}
defer f.Close()
b, err := io.ReadAll(f)
if err != nil {
return nil, "", err
}
str := string(b)
metaStart := strings.Index(str, "/*---")
if metaStart == -1 {
return nil, "", invalidFormatError
} else {
metaStart += 5
}
metaEnd := strings.Index(str, "---*/")
if metaEnd == -1 || metaEnd <= metaStart {
return nil, "", invalidFormatError
}
var meta tc39Meta
err = yaml.Unmarshal([]byte(str[metaStart:metaEnd]), &meta)
if err != nil {
return nil, "", err
}
if meta.Negative.Type != "" && meta.Negative.Phase == "" {
return nil, "", errors.New("negative type is set, but phase isn't")
}
return &meta, str, nil
}
func (*tc39TestCtx) detachArrayBuffer(call FunctionCall) Value {
if obj, ok := call.Argument(0).(*Object); ok {
if buf, ok := obj.self.(*arrayBufferObject); ok {
buf.detach()
return _undefined
}
}
panic(typeError("detachArrayBuffer() is called with incompatible argument"))
}
func (*tc39TestCtx) throwIgnorableTestError(FunctionCall) Value {
panic(ignorableTestError)
}
func (ctx *tc39TestCtx) runTC39Test(name, src string, meta *tc39Meta, t testing.TB) {
defer func() {
if x := recover(); x != nil {
panic(fmt.Sprintf("panic while running %s: %v", name, x))
}
}()
vm := New()
_262 := vm.NewObject()
_262.Set("detachArrayBuffer", ctx.detachArrayBuffer)
_262.Set("createRealm", ctx.throwIgnorableTestError)
_262.Set("evalScript", func(call FunctionCall) Value {
script := call.Argument(0).String()
result, err := vm.RunString(script)
if err != nil {
panic(err)
}
return result
})
vm.Set("$262", _262)
vm.Set("IgnorableTestError", ignorableTestError)
vm.RunProgram(ctx.sabStub)
var out []string
async := meta.hasFlag("async")
if async {
err := ctx.runFile(ctx.base, path.Join("harness", "doneprintHandle.js"), vm)
if err != nil {
t.Fatal(err)
}
vm.Set("print", func(msg string) {
out = append(out, msg)
})
} else {
vm.Set("print", t.Log)
}
err, early := ctx.runTC39Script(name, src, meta.Includes, vm)
if err != nil {
if meta.Negative.Type == "" {
if err, ok := err.(*Exception); ok {
if err.Value() == ignorableTestError {
t.Skip("Test threw IgnorableTestError")
}
}
t.Fatalf("%s: %v", name, err)
} else {
if (meta.Negative.Phase == "early" || meta.Negative.Phase == "parse") && !early || meta.Negative.Phase == "runtime" && early {
t.Fatalf("%s: error %v happened at the wrong phase (expected %s)", name, err, meta.Negative.Phase)
}
var errType string
switch err := err.(type) {
case *Exception:
if o, ok := err.Value().(*Object); ok {
if c := o.Get("constructor"); c != nil {
if c, ok := c.(*Object); ok {
errType = c.Get("name").String()
} else {
t.Fatalf("%s: error constructor is not an object (%v)", name, o)
}
} else {
t.Fatalf("%s: error does not have a constructor (%v)", name, o)
}
} else {
t.Fatalf("%s: error is not an object (%v)", name, err.Value())
}
case *CompilerSyntaxError:
errType = "SyntaxError"
case *CompilerReferenceError:
errType = "ReferenceError"
default:
t.Fatalf("%s: error is not a JS error: %v", name, err)
}
if errType != meta.Negative.Type {
vm.vm.prg.dumpCode(t.Logf)
t.Fatalf("%s: unexpected error type (%s), expected (%s)", name, errType, meta.Negative.Type)
}
}
} else {
if meta.Negative.Type != "" {
vm.vm.prg.dumpCode(t.Logf)
t.Fatalf("%s: Expected error: %v", name, err)
}
}
if vm.vm.sp != 0 {
t.Fatalf("sp: %d", vm.vm.sp)
}
if l := len(vm.vm.iterStack); l > 0 {
t.Fatalf("iter stack is not empty: %d", l)
}
if async {
complete := false
for _, line := range out {
if strings.HasPrefix(line, "Test262:AsyncTestFailure:") {
t.Fatal(line)
} else if line == "Test262:AsyncTestComplete" {
complete = true
}
}
if !complete {
for _, line := range out {
t.Log(line)
}
t.Fatal("Test262:AsyncTestComplete was not printed")
}
}
}
func (ctx *tc39TestCtx) runTC39File(name string, t testing.TB) {
if skipList[name] {
t.Skip("Excluded")
}
if skipPrefixes.Match(name) {
t.Skip("Excluded")
}
p := path.Join(ctx.base, name)
meta, src, err := parseTC39File(p)
if err != nil {
//t.Fatalf("Could not parse %s: %v", name, err)
t.Errorf("Could not parse %s: %v", name, err)
return
}
if meta.hasFlag("module") {
t.Skip("module")
}
if meta.Es5id == "" {
for _, feature := range meta.Features {
for _, bl := range featuresBlackList {
if feature == bl {
t.Skip("Blacklisted feature")
}
}
}
}
var startTime time.Time
if ctx.enableBench {
startTime = time.Now()
}
hasRaw := meta.hasFlag("raw")
if hasRaw || !meta.hasFlag("onlyStrict") {
//log.Printf("Running normal test: %s", name)
t.Logf("Running normal test: %s", name)
ctx.runTC39Test(name, src, meta, t)
}
if !hasRaw && !meta.hasFlag("noStrict") {
//log.Printf("Running strict test: %s", name)
t.Logf("Running strict test: %s", name)
ctx.runTC39Test(name, "'use strict';\n"+src, meta, t)
}
if ctx.enableBench {
ctx.benchLock.Lock()
ctx.benchmark = append(ctx.benchmark, tc39BenchmarkItem{
name: name,
duration: time.Since(startTime),
})
ctx.benchLock.Unlock()
}
}
func (ctx *tc39TestCtx) init() {
ctx.prgCache = make(map[string]*Program)
ctx.sabStub = MustCompile("sabStub.js", `
Object.defineProperty(this, "SharedArrayBuffer", {
get: function() {
throw IgnorableTestError;
}
});`,
false)
}
func (ctx *tc39TestCtx) compile(base, name string) (*Program, error) {
ctx.prgCacheLock.Lock()
defer ctx.prgCacheLock.Unlock()
prg := ctx.prgCache[name]
if prg == nil {
fname := path.Join(base, name)
f, err := os.Open(fname)
if err != nil {
return nil, err
}
defer f.Close()
b, err := io.ReadAll(f)
if err != nil {
return nil, err
}
str := string(b)
prg, err = Compile(name, str, false)
if err != nil {
return nil, err
}
ctx.prgCache[name] = prg
}
return prg, nil
}
func (ctx *tc39TestCtx) runFile(base, name string, vm *Runtime) error {
prg, err := ctx.compile(base, name)
if err != nil {
return err
}
_, err = vm.RunProgram(prg)
return err
}
func (ctx *tc39TestCtx) runTC39Script(name, src string, includes []string, vm *Runtime) (err error, early bool) {
early = true
err = ctx.runFile(ctx.base, path.Join("harness", "assert.js"), vm)
if err != nil {
return
}
err = ctx.runFile(ctx.base, path.Join("harness", "sta.js"), vm)
if err != nil {
return
}
for _, include := range includes {
err = ctx.runFile(ctx.base, path.Join("harness", include), vm)
if err != nil {
return
}
}
var p *Program
p, err = Compile(name, src, false)
if err != nil {
return
}
early = false
_, err = vm.RunProgram(p)
return
}
func (ctx *tc39TestCtx) runTC39Tests(name string) {
files, err := os.ReadDir(path.Join(ctx.base, name))
if err != nil {
ctx.t.Fatal(err)
}
for _, file := range files {
if file.Name()[0] == '.' {
continue
}
if file.IsDir() {
ctx.runTC39Tests(path.Join(name, file.Name()))
} else {
fileName := file.Name()
if strings.HasSuffix(fileName, ".js") && !strings.HasSuffix(fileName, "_FIXTURE.js") {
name := path.Join(name, fileName)
ctx.runTest(name, func(t *testing.T) {
ctx.runTC39File(name, t)
})
}
}
}
}
func TestTC39(t *testing.T) {
if testing.Short() {
t.Skip()
}
if _, err := os.Stat(tc39BASE); err != nil {
t.Skipf("If you want to run tc39 tests, download them from https://github.com/tc39/test262 and put into %s. See .tc39_test262_checkout.sh for the latest working commit id. (%v)", tc39BASE, err)
}
ctx := &tc39TestCtx{
base: tc39BASE,
}
ctx.init()
//ctx.enableBench = true
t.Run("tc39", func(t *testing.T) {
ctx.t = t
//ctx.runTC39File("test/language/types/number/8.5.1.js", t)
ctx.runTC39Tests("test/language")
ctx.runTC39Tests("test/built-ins")
ctx.runTC39Tests("test/annexB/built-ins/String/prototype/substr")
ctx.runTC39Tests("test/annexB/built-ins/String/prototype/trimLeft")
ctx.runTC39Tests("test/annexB/built-ins/String/prototype/trimRight")
ctx.runTC39Tests("test/annexB/built-ins/escape")
ctx.runTC39Tests("test/annexB/built-ins/unescape")
ctx.runTC39Tests("test/annexB/built-ins/RegExp")
ctx.flush()
})
if ctx.enableBench {
sort.Slice(ctx.benchmark, func(i, j int) bool {
return ctx.benchmark[i].duration > ctx.benchmark[j].duration
})
bench := ctx.benchmark
if len(bench) > 50 {
bench = bench[:50]
}
for _, item := range bench {
fmt.Printf("%s\t%d\n", item.name, item.duration/time.Millisecond)
}
}
}