package goja import ( "errors" "fmt" "gopkg.in/yaml.v2" "io/ioutil" "os" "path" "sort" "strings" "sync" "testing" "time" ) const ( tc39BASE = "testdata/test262" ) var ( invalidFormatError = errors.New("Invalid file format") ignorableTestError = newSymbol(stringEmpty) sabStub = MustCompile("sabStub.js", ` Object.defineProperty(this, "SharedArrayBuffer", { get: function() { throw IgnorableTestError; } });`, false) ) var ( skipPrefixes prefixList skipList = map[string]bool{ // 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, // Go 1.14 supports unicode 12 "test/language/identifiers/start-unicode-13.0.0.js": true, "test/language/identifiers/start-unicode-13.0.0-escaped.js": true, "test/language/identifiers/start-unicode-14.0.0.js": true, "test/language/identifiers/start-unicode-14.0.0-escaped.js": true, "test/language/identifiers/part-unicode-13.0.0.js": true, "test/language/identifiers/part-unicode-13.0.0-escaped.js": true, "test/language/identifiers/part-unicode-14.0.0.js": true, "test/language/identifiers/part-unicode-14.0.0-escaped.js": true, // class "test/built-ins/Array/prototype/concat/Array.prototype.concat_non-array.js": true, "test/built-ins/ArrayBuffer/isView/arg-is-typedarray-subclass-instance.js": true, "test/built-ins/ArrayBuffer/isView/arg-is-dataview-subclass-instance.js": true, "test/language/expressions/object/method-definition/name-invoke-ctor.js": true, "test/language/expressions/object/method.js": true, "test/language/expressions/object/setter-super-prop.js": true, "test/language/expressions/object/getter-super-prop.js": true, "test/language/expressions/delete/super-property.js": true, "test/language/statements/let/dstr/obj-ptrn-id-init-fn-name-class.js": true, "test/language/statements/let/dstr/ary-ptrn-elem-id-init-fn-name-class.js": true, "test/language/statements/for/dstr/var-obj-ptrn-id-init-fn-name-class.js": true, "test/language/statements/for/dstr/var-ary-ptrn-elem-id-init-fn-name-class.js": true, "test/language/statements/for/dstr/let-ary-ptrn-elem-id-init-fn-name-class.js": true, "test/language/statements/for/dstr/let-obj-ptrn-id-init-fn-name-class.js": true, "test/language/statements/const/dstr/ary-ptrn-elem-id-init-fn-name-class.js": true, "test/language/statements/for/dstr/const-obj-ptrn-id-init-fn-name-class.js": true, "test/language/statements/const/dstr/obj-ptrn-id-init-fn-name-class.js": true, "test/language/statements/for/dstr/const-ary-ptrn-elem-id-init-fn-name-class.js": true, "test/language/statements/variable/dstr/obj-ptrn-id-init-fn-name-class.js": true, "test/language/statements/variable/dstr/ary-ptrn-elem-id-init-fn-name-class.js": true, "test/language/expressions/object/method-definition/name-name-prop-symbol.js": true, "test/language/expressions/function/dstr/dflt-obj-ptrn-id-init-fn-name-class.js": true, "test/language/expressions/function/dstr/dflt-ary-ptrn-elem-id-init-fn-name-class.js": true, "test/language/expressions/function/dstr/ary-ptrn-elem-id-init-fn-name-class.js": true, "test/language/expressions/function/dstr/obj-ptrn-id-init-fn-name-class.js": true, "test/language/statements/function/dstr/dflt-ary-ptrn-elem-id-init-fn-name-class.js": true, "test/language/statements/function/dstr/obj-ptrn-id-init-fn-name-class.js": true, "test/language/statements/function/dstr/ary-ptrn-elem-id-init-fn-name-class.js": true, "test/language/statements/function/dstr/dflt-obj-ptrn-id-init-fn-name-class.js": true, "test/language/expressions/arrow-function/scope-paramsbody-var-open.js": true, "test/language/expressions/arrow-function/scope-paramsbody-var-close.js": true, "test/language/expressions/arrow-function/scope-body-lex-distinct.js": true, "test/language/statements/for-of/dstr/var-ary-ptrn-elem-id-init-fn-name-class.js": true, "test/language/statements/for-of/dstr/var-obj-ptrn-id-init-fn-name-class.js": true, "test/language/statements/for-of/dstr/const-obj-ptrn-id-init-fn-name-class.js": true, "test/language/statements/for-of/dstr/let-obj-ptrn-id-init-fn-name-class.js": true, "test/language/statements/for-of/dstr/const-ary-ptrn-elem-id-init-fn-name-class.js": true, "test/language/statements/for-of/dstr/let-ary-ptrn-elem-id-init-fn-name-class.js": true, "test/language/statements/try/dstr/obj-ptrn-id-init-fn-name-class.js": true, "test/language/statements/try/dstr/ary-ptrn-elem-id-init-fn-name-class.js": true, "test/language/expressions/arrow-function/dstr/ary-ptrn-elem-id-init-fn-name-class.js": true, "test/language/expressions/arrow-function/dstr/dflt-obj-ptrn-id-init-fn-name-class.js": true, "test/language/expressions/arrow-function/dstr/obj-ptrn-id-init-fn-name-class.js": true, "test/language/expressions/arrow-function/dstr/dflt-ary-ptrn-elem-id-init-fn-name-class.js": true, "test/language/expressions/arrow-function/lexical-super-property-from-within-constructor.js": true, "test/language/expressions/arrow-function/lexical-super-property.js": true, "test/language/expressions/arrow-function/lexical-supercall-from-immediately-invoked-arrow.js": true, "test/built-ins/Promise/prototype/finally/subclass-species-constructor-resolve-count.js": true, "test/built-ins/Promise/prototype/finally/subclass-species-constructor-reject-count.js": true, "test/built-ins/Promise/prototype/finally/subclass-resolve-count.js": true, "test/built-ins/Promise/prototype/finally/species-symbol.js": true, "test/built-ins/Promise/prototype/finally/subclass-reject-count.js": true, "test/built-ins/Promise/prototype/finally/species-constructor.js": true, "test/language/statements/switch/scope-lex-class.js": true, "test/language/expressions/arrow-function/lexical-super-call-from-within-constructor.js": true, "test/language/expressions/object/dstr/meth-dflt-ary-ptrn-elem-id-init-fn-name-class.js": true, "test/language/expressions/object/dstr/meth-ary-ptrn-elem-id-init-fn-name-class.js": true, "test/language/expressions/object/dstr/meth-dflt-obj-ptrn-id-init-fn-name-class.js": true, "test/language/expressions/object/dstr/meth-obj-ptrn-id-init-fn-name-class.js": true, "test/built-ins/Promise/prototype/finally/resolved-observable-then-calls-PromiseResolve.js": true, "test/built-ins/Promise/prototype/finally/rejected-observable-then-calls-PromiseResolve.js": true, "test/built-ins/Function/prototype/toString/class-expression-explicit-ctor.js": true, "test/built-ins/Function/prototype/toString/class-expression-implicit-ctor.js": true, "test/language/global-code/decl-lex.js": true, "test/language/global-code/decl-lex-deletion.js": true, "test/language/global-code/script-decl-var-collision.js": true, "test/language/global-code/script-decl-lex.js": true, "test/language/global-code/script-decl-lex-lex.js": true, "test/language/global-code/script-decl-lex-deletion.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 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, // x ** y "test/built-ins/Array/prototype/pop/clamps-to-integer-limit.js": true, "test/built-ins/Array/prototype/pop/length-near-integer-limit.js": true, "test/built-ins/Array/prototype/push/clamps-to-integer-limit.js": true, "test/built-ins/Array/prototype/push/length-near-integer-limit.js": true, "test/built-ins/Array/prototype/push/throws-if-integer-limit-exceeded.js": true, "test/built-ins/Array/prototype/reverse/length-exceeding-integer-limit-with-object.js": true, "test/built-ins/Array/prototype/reverse/length-exceeding-integer-limit-with-proxy.js": true, "test/built-ins/Array/prototype/slice/length-exceeding-integer-limit.js": true, "test/built-ins/Array/prototype/splice/clamps-length-to-integer-limit.js": true, "test/built-ins/Array/prototype/splice/length-and-deleteCount-exceeding-integer-limit.js": true, "test/built-ins/Array/prototype/splice/length-exceeding-integer-limit-shrink-array.js": true, "test/built-ins/Array/prototype/splice/length-near-integer-limit-grow-array.js": true, "test/built-ins/Array/prototype/splice/throws-if-integer-limit-exceeded.js": true, "test/built-ins/Array/prototype/unshift/clamps-to-integer-limit.js": true, "test/built-ins/Array/prototype/unshift/length-near-integer-limit.js": true, "test/built-ins/Array/prototype/unshift/throws-if-integer-limit-exceeded.js": true, "test/built-ins/String/prototype/split/separator-undef-limit-custom.js": true, "test/built-ins/Array/prototype/splice/create-species-length-exceeding-integer-limit.js": true, "test/built-ins/Array/prototype/slice/length-exceeding-integer-limit-proxied-array.js": true, "test/built-ins/String/prototype/split/separator-undef-limit-zero.js": true, "test/language/expressions/object/cpn-obj-lit-computed-property-name-from-exponetiation-expression.js": true, "test/language/expressions/object/cpn-obj-lit-computed-property-name-from-math.js": true, "test/built-ins/RegExp/prototype/exec/failure-lastindex-set.js": true, // generators "test/annexB/built-ins/RegExp/RegExp-control-escape-russian-letter.js": true, "test/language/statements/switch/scope-lex-generator.js": true, "test/language/expressions/in/rhs-yield-present.js": true, "test/language/expressions/object/cpn-obj-lit-computed-property-name-from-yield-expression.js": true, "test/language/expressions/object/cpn-obj-lit-computed-property-name-from-generator-function-declaration.js": true, "test/built-ins/TypedArrayConstructors/ctors/object-arg/as-generator-iterable-returns.js": true, "test/built-ins/Object/seal/seal-generatorfunction.js": true, // async "test/language/eval-code/direct/async-func-decl-a-preceding-parameter-is-named-arguments-declare-arguments-and-assign.js": true, "test/language/statements/switch/scope-lex-async-generator.js": true, "test/language/statements/switch/scope-lex-async-function.js": true, "test/language/statements/for-of/head-lhs-async-invalid.js": true, "test/language/expressions/object/cpn-obj-lit-computed-property-name-from-async-arrow-function-expression.js": true, "test/language/expressions/object/cpn-obj-lit-computed-property-name-from-await-expression.js": true, "test/language/statements/async-function/evaluation-body.js": true, "test/language/expressions/object/method-definition/object-method-returns-promise.js": true, "test/language/expressions/object/method-definition/async-super-call-param.js": true, "test/language/expressions/object/method-definition/async-super-call-body.js": true, "test/built-ins/Object/seal/seal-asyncgeneratorfunction.js": true, "test/built-ins/Object/seal/seal-asyncfunction.js": true, "test/built-ins/Object/seal/seal-asyncarrowfunction.js": true, "test/language/statements/for/head-init-async-of.js": true, "test/language/reserved-words/await-module.js": true, // legacy number literals "test/language/literals/numeric/non-octal-decimal-integer.js": true, // coalesce "test/language/expressions/object/cpn-obj-lit-computed-property-name-from-expression-coalesce.js": true, // integer separators "test/language/expressions/object/cpn-obj-lit-computed-property-name-from-integer-separators.js": true, // BigInt "test/built-ins/Object/seal/seal-biguint64array.js": true, "test/built-ins/Object/seal/seal-bigint64array.js": true, // FIXME bugs // new.target availability "test/language/global-code/new.target-arrow.js": true, "test/language/eval-code/direct/new.target-fn.js": true, // 'in' in a branch "test/language/expressions/conditional/in-branch-1.js": true, // Left-hand side as a CoverParenthesizedExpression "test/language/expressions/assignment/fn-name-lhs-cover.js": true, // multiplicative order of evaluation "test/language/expressions/multiplication/order-of-evaluation.js": true, "test/language/expressions/division/order-of-evaluation.js": true, "test/language/expressions/modulus/order-of-evaluation.js": true, } featuresBlackList = []string{ "async-iteration", "Symbol.asyncIterator", "async-functions", "class", "class-static-block", "class-fields-private", "class-fields-private-in", "super", "generators", "String.prototype.replaceAll", "String.prototype.at", "resizable-arraybuffer", "array-find-from-last", "Array.prototype.at", "TypedArray.prototype.at", "regexp-named-groups", "regexp-dotall", "regexp-unicode-property-escapes", "regexp-match-indices", "legacy-regexp", "tail-call-optimization", "Temporal", "import-assertions", "dynamic-import", "logical-assignment-operators", "coalesce-expression", "import.meta", "optional-chaining", "Atomics", "Atomics.waitAsync", "FinalizationRegistry", "WeakRef", "numeric-separator-literal", "Object.fromEntries", "Object.hasOwn", "__getter__", "__setter__", "ShadowRealm", "SharedArrayBuffer", "error-cause", } ) func init() { skip := func(prefixes ...string) { for _, prefix := range prefixes { skipPrefixes.Add(prefix) } } skip( // class "test/language/statements/class/", "test/language/expressions/class/", "test/language/expressions/super/", "test/language/expressions/assignment/target-super-", "test/language/arguments-object/cls-", "test/built-ins/Function/prototype/toString/class-", "test/built-ins/Function/prototype/toString/setter-class-", "test/built-ins/Function/prototype/toString/method-class-", "test/built-ins/Function/prototype/toString/getter-class-", // async "test/language/eval-code/direct/async-", "test/language/expressions/async-", "test/language/expressions/await/", "test/language/statements/async-function/", "test/built-ins/Async", // generators "test/language/eval-code/direct/gen-", "test/built-ins/GeneratorFunction/", "test/built-ins/Function/prototype/toString/generator-", // ** "test/language/expressions/exponentiation", // BigInt "test/built-ins/TypedArrayConstructors/BigUint64Array/", "test/built-ins/TypedArrayConstructors/BigInt64Array/", ) } 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 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 := ioutil.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(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 == "" { if meta.Es6id == "" && meta.Esid == "" { t.Skip("No ids") } 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) } 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 := ioutil.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 := ioutil.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. The current working commit is ddfe24afe3043388827aa220ef623b8540958bbd. (%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/language/expressions") ctx.runTC39Tests("test/language/arguments-object") ctx.runTC39Tests("test/language/asi") ctx.runTC39Tests("test/language/directive-prologue") ctx.runTC39Tests("test/language/function-code") ctx.runTC39Tests("test/language/eval-code") ctx.runTC39Tests("test/language/global-code") ctx.runTC39Tests("test/language/identifier-resolution") ctx.runTC39Tests("test/language/identifiers") //ctx.runTC39Tests("test/language/literals") // legacy octal escape in strings in strict mode and regexp ctx.runTC39Tests("test/language/literals/numeric") ctx.runTC39Tests("test/language/punctuators") ctx.runTC39Tests("test/language/reserved-words") ctx.runTC39Tests("test/language/source-text") ctx.runTC39Tests("test/language/statements") ctx.runTC39Tests("test/language/types") ctx.runTC39Tests("test/language/white-space") 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) } } }