How to use Fuzz method of report Package

Best Syzkaller code snippet using report.Fuzz

tests.go

Source:tests.go

...27	Name: "tests",28	Doc:  Doc,29	Run:  run,30}31var acceptedFuzzTypes = []types.Type{32	types.Typ[types.String],33	types.Typ[types.Bool],34	types.Typ[types.Float32],35	types.Typ[types.Float64],36	types.Typ[types.Int],37	types.Typ[types.Int8],38	types.Typ[types.Int16],39	types.Typ[types.Int32],40	types.Typ[types.Int64],41	types.Typ[types.Uint],42	types.Typ[types.Uint8],43	types.Typ[types.Uint16],44	types.Typ[types.Uint32],45	types.Typ[types.Uint64],46	types.NewSlice(types.Universe.Lookup("byte").Type()),47}48func run(pass *analysis.Pass) (interface{}, error) {49	for _, f := range pass.Files {50		if !strings.HasSuffix(pass.Fset.File(f.Pos()).Name(), "_test.go") {51			continue52		}53		for _, decl := range f.Decls {54			fn, ok := decl.(*ast.FuncDecl)55			if !ok || fn.Recv != nil {56				// Ignore non-functions or functions with receivers.57				continue58			}59			switch {60			case strings.HasPrefix(fn.Name.Name, "Example"):61				checkExampleName(pass, fn)62				checkExampleOutput(pass, fn, f.Comments)63			case strings.HasPrefix(fn.Name.Name, "Test"):64				checkTest(pass, fn, "Test")65			case strings.HasPrefix(fn.Name.Name, "Benchmark"):66				checkTest(pass, fn, "Benchmark")67			}68			// run fuzz tests diagnostics only for 1.18 i.e. when analysisinternal.DiagnoseFuzzTests is turned on.69			if strings.HasPrefix(fn.Name.Name, "Fuzz") && analysisinternal.DiagnoseFuzzTests {70				checkTest(pass, fn, "Fuzz")71				checkFuzz(pass, fn)72			}73		}74	}75	return nil, nil76}77// checkFuzz checks the contents of a fuzz function.78func checkFuzz(pass *analysis.Pass, fn *ast.FuncDecl) {79	params := checkFuzzCall(pass, fn)80	if params != nil {81		checkAddCalls(pass, fn, params)82	}83}84// checkFuzzCall checks the arguments of f.Fuzz() calls:85//86//  1. f.Fuzz() should call a function and it should be of type (*testing.F).Fuzz().87//  2. The called function in f.Fuzz(func(){}) should not return result.88//  3. First argument of func() should be of type *testing.T89//  4. Second argument onwards should be of type []byte, string, bool, byte,90//     rune, float32, float64, int, int8, int16, int32, int64, uint, uint8, uint16,91//     uint32, uint6492//  5. func() must not call any *F methods, e.g. (*F).Log, (*F).Error, (*F).Skip93//     The only *F methods that are allowed in the (*F).Fuzz function are (*F).Failed and (*F).Name.94//95// Returns the list of parameters to the fuzz function, if they are valid fuzz parameters.96func checkFuzzCall(pass *analysis.Pass, fn *ast.FuncDecl) (params *types.Tuple) {97	ast.Inspect(fn, func(n ast.Node) bool {98		call, ok := n.(*ast.CallExpr)99		if ok {100			if !isFuzzTargetDotFuzz(pass, call) {101				return true102			}103			// Only one argument (func) must be passed to (*testing.F).Fuzz.104			if len(call.Args) != 1 {105				return true106			}107			expr := call.Args[0]108			if pass.TypesInfo.Types[expr].Type == nil {109				return true110			}111			t := pass.TypesInfo.Types[expr].Type.Underlying()112			tSign, argOk := t.(*types.Signature)113			// Argument should be a function114			if !argOk {115				pass.ReportRangef(expr, "argument to Fuzz must be a function")116				return false117			}118			// ff Argument function should not return119			if tSign.Results().Len() != 0 {120				pass.ReportRangef(expr, "fuzz target must not return any value")121			}122			// ff Argument function should have 1 or more argument123			if tSign.Params().Len() == 0 {124				pass.ReportRangef(expr, "fuzz target must have 1 or more argument")125				return false126			}127			ok := validateFuzzArgs(pass, tSign.Params(), expr)128			if ok && params == nil {129				params = tSign.Params()130			}131			// Inspect the function that was passed as an argument to make sure that132			// there are no calls to *F methods, except for Name and Failed.133			ast.Inspect(expr, func(n ast.Node) bool {134				if call, ok := n.(*ast.CallExpr); ok {135					if !isFuzzTargetDot(pass, call, "") {136						return true137					}138					if !isFuzzTargetDot(pass, call, "Name") && !isFuzzTargetDot(pass, call, "Failed") {139						pass.ReportRangef(call, "fuzz target must not call any *F methods")140					}141				}142				return true143			})144			// We do not need to look at any calls to f.Fuzz inside of a Fuzz call,145			// since they are not allowed.146			return false147		}148		return true149	})150	return params151}152// checkAddCalls checks that the arguments of f.Add calls have the same number and type of arguments as153// the signature of the function passed to (*testing.F).Fuzz154func checkAddCalls(pass *analysis.Pass, fn *ast.FuncDecl, params *types.Tuple) {155	ast.Inspect(fn, func(n ast.Node) bool {156		call, ok := n.(*ast.CallExpr)157		if ok {158			if !isFuzzTargetDotAdd(pass, call) {159				return true160			}161			// The first argument to function passed to (*testing.F).Fuzz is (*testing.T).162			if len(call.Args) != params.Len()-1 {163				pass.ReportRangef(call, "wrong number of values in call to (*testing.F).Add: %d, fuzz target expects %d", len(call.Args), params.Len()-1)164				return true165			}166			var mismatched []int167			for i, expr := range call.Args {168				if pass.TypesInfo.Types[expr].Type == nil {169					return true170				}171				t := pass.TypesInfo.Types[expr].Type172				if !types.Identical(t, params.At(i+1).Type()) {173					mismatched = append(mismatched, i)174				}175			}176			// If just one of the types is mismatched report for that177			// type only. Otherwise report for the whole call to (*testing.F).Add178			if len(mismatched) == 1 {179				i := mismatched[0]180				expr := call.Args[i]181				t := pass.TypesInfo.Types[expr].Type182				pass.ReportRangef(expr, fmt.Sprintf("mismatched type in call to (*testing.F).Add: %v, fuzz target expects %v", t, params.At(i+1).Type()))183			} else if len(mismatched) > 1 {184				var gotArgs, wantArgs []types.Type185				for i := 0; i < len(call.Args); i++ {186					gotArgs, wantArgs = append(gotArgs, pass.TypesInfo.Types[call.Args[i]].Type), append(wantArgs, params.At(i+1).Type())187				}188				pass.ReportRangef(call, fmt.Sprintf("mismatched types in call to (*testing.F).Add: %v, fuzz target expects %v", gotArgs, wantArgs))189			}190		}191		return true192	})193}194// isFuzzTargetDotFuzz reports whether call is (*testing.F).Fuzz().195func isFuzzTargetDotFuzz(pass *analysis.Pass, call *ast.CallExpr) bool {196	return isFuzzTargetDot(pass, call, "Fuzz")197}198// isFuzzTargetDotAdd reports whether call is (*testing.F).Add().199func isFuzzTargetDotAdd(pass *analysis.Pass, call *ast.CallExpr) bool {200	return isFuzzTargetDot(pass, call, "Add")201}202// isFuzzTargetDot reports whether call is (*testing.F).<name>().203func isFuzzTargetDot(pass *analysis.Pass, call *ast.CallExpr, name string) bool {204	if selExpr, ok := call.Fun.(*ast.SelectorExpr); ok {205		if !isTestingType(pass.TypesInfo.Types[selExpr.X].Type, "F") {206			return false207		}208		if name == "" || selExpr.Sel.Name == name {209			return true210		}211	}212	return false213}214// Validate the arguments of fuzz target.215func validateFuzzArgs(pass *analysis.Pass, params *types.Tuple, expr ast.Expr) bool {216	fLit, isFuncLit := expr.(*ast.FuncLit)217	exprRange := expr218	ok := true219	if !isTestingType(params.At(0).Type(), "T") {220		if isFuncLit {221			exprRange = fLit.Type.Params.List[0].Type222		}223		pass.ReportRangef(exprRange, "the first parameter of a fuzz target must be *testing.T")224		ok = false225	}226	for i := 1; i < params.Len(); i++ {227		if !isAcceptedFuzzType(params.At(i).Type()) {228			if isFuncLit {229				curr := 0230				for _, field := range fLit.Type.Params.List {231					curr += len(field.Names)232					if i < curr {233						exprRange = field.Type234						break235					}236				}237			}238			pass.ReportRangef(exprRange, "fuzzing arguments can only have the following types: "+formatAcceptedFuzzType())239			ok = false240		}241	}242	return ok243}244func isTestingType(typ types.Type, testingType string) bool {245	ptr, ok := typ.(*types.Pointer)246	if !ok {247		return false248	}249	named, ok := ptr.Elem().(*types.Named)250	if !ok {251		return false252	}253	return named.Obj().Pkg().Path() == "testing" && named.Obj().Name() == testingType254}255// Validate that fuzz target function's arguments are of accepted types.256func isAcceptedFuzzType(paramType types.Type) bool {257	for _, typ := range acceptedFuzzTypes {258		if types.Identical(typ, paramType) {259			return true260		}261	}262	return false263}264func formatAcceptedFuzzType() string {265	var acceptedFuzzTypesStrings []string266	for _, typ := range acceptedFuzzTypes {267		acceptedFuzzTypesStrings = append(acceptedFuzzTypesStrings, typ.String())268	}269	acceptedFuzzTypesMsg := strings.Join(acceptedFuzzTypesStrings, ", ")270	return acceptedFuzzTypesMsg271}272func isExampleSuffix(s string) bool {273	r, size := utf8.DecodeRuneInString(s)274	return size > 0 && unicode.IsLower(r)275}276func isTestSuffix(name string) bool {277	if len(name) == 0 {278		// "Test" is ok.279		return true280	}281	r, _ := utf8.DecodeRuneInString(name)282	return !unicode.IsLower(r)283}284func isTestParam(typ ast.Expr, wantType string) bool {...

exec.go

Source:exec.go

...10// Instrument builds the instrumented binary and fuzz.zip if they do not already11// exist in the fzgo cache. If instead there is a cache hit, Instrument prints to stderr12// that the cached is being used.13// cacheDir is the location for the instrumented binary, and would typically be something like:14//     GOPATH/pkg/fuzz/linux_amd64/619f7d77e9cd5d7433f8/fmt.FuzzFmt15func Instrument(function Func, verbose bool) (Target, error) {16	report := func(err error) (Target, error) {17		return Target{}, fmt.Errorf("instrument %s.%s error: %v", function.PkgName, function.FuncName, err)18	}19	// check if go-fuzz and go-fuzz-build seem to be in our path20	err := checkGoFuzz()21	if err != nil {22		return report(err)23	}24	if function.FuncName == "" || function.PkgDir == "" || function.PkgPath == "" {25		return report(fmt.Errorf("unexpected fuzz function: %#v", function))26	}27	// check if we have a plain data []byte signature, vs. a rich signature28	plain, err := IsPlainSig(function.TypesFunc)29	if err != nil {30		return report(err)31	}32	var target Target33	if plain {34		// create our initial target struct using the actual func supplied by the user.35		target = Target{UserFunc: function}36	} else {37		info("detected rich signature for %v.%v", function.PkgName, function.FuncName)38		// create a wrapper function to handle the rich signature.39		// When fuzzing, we do not want to print our arguments.40		printArgs := false41		target, err = CreateRichSigWrapper(function, printArgs)42		if err != nil {43			return report(err)44		}45		// CreateRichSigWrapper was successful, which means it populated the temp dir with the wrapper func.46		// By the time we leave our current function, we are done with the temp dir47		// that CreateRichSigWrapper created, so delete via a defer.48		// (We can't delete it immediately because we haven't yet run go-fuzz-build on it).49		defer os.RemoveAll(target.wrapperTempDir)50	}51	// Determine where our cacheDir is.52	// This includes calculating a hash covering the package, its dependencies, and some other items.53	cacheDir, err := target.cacheDir(verbose)54	if err != nil {55		return report(fmt.Errorf("getting cache dir failed: %v", err))56	}57	// set up our cache directory if needed58	err = os.MkdirAll(cacheDir, os.ModePerm)59	if err != nil {60		return report(fmt.Errorf("creating cache dir failed: %v", err))61	}62	// check if our instrumented zip already exists in our cache (in which case we trust it).63	finalZipPath, err := target.zipPath(verbose)64	if err != nil {65		return report(fmt.Errorf("zip path failed: %v", err))66	}67	if _, err = os.Stat(finalZipPath); os.IsNotExist(err) {68		info("building instrumented binary for %v.%v", function.PkgName, function.FuncName)69		outFile := filepath.Join(cacheDir, "fuzz.zip.partial")70		// to support experimentation, initial args for go-fuzz-build are71		// populated by the optional FZGOFLAGSBUILD env var72		// (or an empty slice if FZGOFLAGSBUILD is not set).73		args := fzgoEnvFlags("FZGOFLAGSBUILD")74		if !target.hasWrapper {75			args = append(args,76				"-func="+target.UserFunc.FuncName,77				"-o="+outFile,78				// "-race", // TODO: make a flag79				buildTagsArg,80				target.UserFunc.PkgPath,81			)82		} else {83			args = append(args,84				"-func="+target.wrapperFunc.FuncName,85				"-o="+outFile,86				// "-race", // TODO: make a flag87				buildTagsArg,88				target.wrapperFunc.PkgPath,89			)90		}91		err = execCmd("go-fuzz-build", args, target.wrapperEnv, 0)92		if err != nil {93			return report(fmt.Errorf("go-fuzz-build failed with args %q: %v", args, err))94		}95		err = os.Rename(outFile, finalZipPath)96		if err != nil {97			return report(err)98		}99	} else {100		info("using cached instrumented binary for %v.%v", function.PkgName, function.FuncName)101	}102	return target, nil103}104// Start begins fuzzing by invoking 'go-fuzz'.105// cacheDir contains the instrumented binary, and would typically be something like:106//     GOPATH/pkg/fuzz/linux_amd64/619f7d77e9cd5d7433f8/fmt.FuzzFmt107// workDir contains the corpus, and would typically be something like:108//     GOPATH/src/github.com/user/proj/testdata/fuzz/fmt.FuzzFmt109func Start(target Target, workDir string, maxDuration time.Duration, parallel int, funcTimeout time.Duration, v bool) error {110	report := func(err error) error {111		return fmt.Errorf("start fuzzing %s error: %v", target.FuzzName(), err)112	}113	info("starting fuzzing %s", target.FuzzName())114	info("output in %s", workDir)115	// check if go-fuzz and go-fuzz-build seem to be in our path116	err := checkGoFuzz()117	if err != nil {118		return report(err)119	}120	// prepare our args121	if funcTimeout < 1*time.Second {122		return fmt.Errorf("minimum allowed func timeout value is 1 second")123	}124	verboseLevel := 0125	if v {126		verboseLevel = 1127	}128	zipPath, err := target.zipPath(v)129	if err != nil {130		return report(fmt.Errorf("zip path failed: %v", err))131	}132	// to support experimentation, initial args for go-fuzz are133	// populated by the optional FZGOFLAGSFUZZ env var134	// (or an empty slice if FZGOFLAGSFUZZ is not set).135	runArgs := fzgoEnvFlags("FZGOFLAGSFUZZ")136	runArgs = append(runArgs,137		fmt.Sprintf("-bin=%s", zipPath),138		fmt.Sprintf("-workdir=%s", workDir),139		fmt.Sprintf("-procs=%d", parallel),140		fmt.Sprintf("-timeout=%d", int(funcTimeout.Seconds())), // this is not total run time141		fmt.Sprintf("-v=%d", verboseLevel),142	)143	err = execCmd("go-fuzz", runArgs, nil, maxDuration)144	if err != nil {145		return report(err)146	}147	return nil148}149// Target tracks some metadata about each fuzz target, and is responsible150// for tracking a fuzz.Func found via go/packages and making it useful151// as a fuzz target, including determining where to cache the fuzz.zip152// and what the target's fuzzName should be.153type Target struct {154	UserFunc      Func   // the user's original function155	savedCacheDir string // the cacheDir relies on a content hash, so remember the answer156	hasWrapper     bool157	wrapperFunc    Func     // synthesized wrapper function, only used if user's func has rich signatures158	wrapperEnv     []string // env with GOPATH set up to include the temporary159	wrapperTempDir string160}161// FuzzName returns the '<pkg>.<OrigFuzzFunc>' string.162// For example, it might be 'fmt.FuzzFmt'. This is used163// in messages, as well it is part of the path when creating164// the corpus location under testdata.165func (t *Target) FuzzName() string {166	return t.UserFunc.FuzzName()167}168func (t *Target) zipPath(verbose bool) (string, error) {169	cacheDir, err := t.cacheDir(verbose)170	if err != nil {171		return "", err172	}173	return filepath.Join(cacheDir, "fuzz.zip"), nil174}175func (t *Target) cacheDir(verbose bool) (string, error) {176	if t.savedCacheDir == "" {177		// generate a hash covering the package, its dependencies, and some items like go-fuzz-build binary and go version178		// TODO: pass verbose flag around?179		var err error180		var h string181		if !t.hasWrapper {182			// use everything directly from the original user function183			h, err = Hash(t.UserFunc.PkgPath, t.UserFunc.FuncName, t.UserFunc.PkgDir, nil, verbose)184		} else {185			// we have a wrapper function, so target that for our hash.186			h, err = Hash(t.wrapperFunc.PkgPath, t.wrapperFunc.FuncName, t.wrapperFunc.PkgDir, t.wrapperEnv, verbose)187		}188		if err != nil {189			return "", err190		}191		// the user facing location on disk is the friendly name (that is, from the original user function)192		t.savedCacheDir = CacheDir(h, t.UserFunc.PkgName, t.FuzzName())193	}194	return t.savedCacheDir, nil195}196// ExecGo invokes the go command. The intended use case is fzgo operating in197// pass-through mode, where an invocation like 'fzgo env GOPATH'198// gets passed to the 'go' tool as 'go env GOPATH'. args typically would be199// os.Args[1:]200func ExecGo(args []string, env []string) error {201	if len(env) == 0 {202		env = os.Environ()203	}204	_, err := exec.LookPath("go")205	if err != nil {206		return fmt.Errorf("failed to find \"go\" command in path. error: %v", err)207	}208	return execCmd("go", args, env, 0)209}210// A maxDuration of 0 means no max time is enforced.211func execCmd(name string, args []string, env []string, maxDuration time.Duration) error {212	report := func(err error) error { return fmt.Errorf("exec %v error: %v", name, err) }213	cmd := exec.Command(name, args...)214	cmd.Stdout = os.Stdout215	cmd.Stderr = os.Stderr216	cmd.Stdin = os.Stdin217	if len(env) > 0 {218		cmd.Env = env219	}220	if maxDuration == 0 {221		// invoke cmd and let it run until it returns222		err := cmd.Run()223		if err != nil {224			return report(err)225		}226		return nil227	}228	// we have a maxDuration specified.229	// start and then manually kill cmd after maxDuration if it doesn't exit on its own.230	err := cmd.Start()231	if err != nil {232		return report(err)233	}234	timer := time.AfterFunc(maxDuration, func() {235		err := cmd.Process.Signal(os.Interrupt)236		if err != nil {237			// os.Interrupt expected to fail in some cases (e.g., not implemented on Windows)238			_ = cmd.Process.Kill()239		}240	})241	err = cmd.Wait()242	if timer.Stop() && err != nil {243		// timer.Stop() returned true, which means our kill func never ran, so return this error244		return report(err)245	}246	return nil247}248// checkGoFuzz lightly validates that dvyukov/go-fuzz seems to have been properly installed.249func checkGoFuzz() error {250	for _, cmdName := range []string{"go-fuzz", "go-fuzz-build"} {251		_, err := exec.LookPath(cmdName)252		if err != nil {253			return fmt.Errorf("failed to find %q command in path. please run \"go get -u github.com/dvyukov/go-fuzz/...\" and verify your path settings. error: %v",254				cmdName, err)255		}256	}257	return nil258}259// fzgoEnvFlags gets any whitespace-separated arguments260// in the named environment variable (e.g., FZGOFLAGSBUILD).261func fzgoEnvFlags(name string) []string {262	val := os.Getenv(name)263	return strings.Fields(val)...

Fuzz

Using AI Code Generation

1import (2func main() {3    vm := otto.New()4    vm.Run(`5        var report = new Report();6        report.fuzz();7}8var Report = function() {9    this.fuzz = function() {10        console.log("fuzzing");11    }12}13module.exports = Report;14{15    "dependencies": {16    }17}18import (19func main() {20    vm := otto.New()21    value, _ := vm.Run("1 + 2")22    fmt.Println(value)23}

Fuzz

Using AI Code Generation

1import (2func main() {3    report := fuzz.NewReport()4    report.Fuzz("test")5}6import (7func main() {8    report := fuzz.NewReport()9    report.Fuzz("test")10}11import (12func main() {13    report := fuzz.NewReport()14    report.Fuzz("test")15}16import (17func main() {18    report := fuzz.NewReport()19    report.Fuzz("test")20}21import (22func main() {23    report := fuzz.NewReport()24    report.Fuzz("test")25}26import (27func main() {28    report := fuzz.NewReport()29    report.Fuzz("test")30}31import (32func main() {33    report := fuzz.NewReport()34    report.Fuzz("test")35}

Fuzz

Using AI Code Generation

1import (2func main() {3        report.Fuzz()4        time.Sleep(1 * time.Second)5        fmt.Println(report)6}7import (8type Report struct {9}10func (r *Report) Fuzz() {11        r.Time = time.Now()12}13func (r *Report) String() string {14        return fmt.Sprintf("%s - %s", r.Title, r.Time)15}16func (r *Report) String() string {17        return fmt.Sprintf("%s - %s", r.Title, r.Time)18}

Fuzz

Using AI Code Generation

1import (2func main() {3	r.Fuzz()4	fmt.Println("Fuzzed")5}6import (7type Report struct {8}9func (r *Report) Fuzz() {10	fmt.Println("Fuzzed")11}12--- PASS: TestFuzz (0.00s)

Fuzz

Using AI Code Generation

1import "fmt"2import "github.com/andres-erbsen/clock"3func main() {4    c = clock.New()5    fmt.Println(c.Now())6}7import "fmt"8import "github.com/andres-erbsen/clock"9func main() {10    c = clock.New()11    fmt.Println(c.Now())12}13import "fmt"14import "github.com/andres-erbsen/clock"15func main() {16    c = clock.New()17    fmt.Println(c.Now())18}19import "fmt"20import "github.com/andres-erbsen/clock"21func main() {22    c = clock.New()23    fmt.Println(c.Now())24}25import "fmt"26import "github.com/andres-erbsen/clock"27func main() {28    c = clock.New()29    fmt.Println(c.Now())30}31import "fmt"32import "github.com/andres-erbsen/clock"33func main() {34    c = clock.New()35    fmt.Println(c.Now())36}37import "fmt"38import "github.com/andres-erbsen/clock"39func main() {40    c = clock.New()41    fmt.Println(c.Now())42}43import "fmt"44import "github.com/andres-erbsen/clock"45func main() {46    c = clock.New()47    fmt.Println(c.Now())48}

Fuzz

Using AI Code Generation

1import (2func main() {3	fmt.Println("main: calling report.Fuzz()")4	report.Fuzz()5	fmt.Println("main: done")6}7import (8func main() {9	fmt.Println("main: calling report.Fuzz()")10	report.Fuzz()11	fmt.Println("main: done")12}13import (14func main() {15	fmt.Println("main: calling report.Fuzz()")16	report.Fuzz()17	fmt.Println("main: done")18}19import (20func main() {21	fmt.Println("main: calling report.Fuzz()")22	report.Fuzz()23	fmt.Println("main: done")24}25import (26func main() {27	fmt.Println("main: calling report.Fuzz()")28	report.Fuzz()29	fmt.Println("main: done")30}31import (32func main() {33	fmt.Println("main: calling report.Fuzz()")34	report.Fuzz()35	fmt.Println("main: done")36}37import (38func main() {39	fmt.Println("main: calling report.Fuzz()")40	report.Fuzz()41	fmt.Println("main: done")42}43import (

Fuzz

Using AI Code Generation

1import (2func main() {3    r := report.New("title", "text")4    fmt.Println(r)5}6import (7type report struct {8}9func New(title, text string) *report {10	return &report{title, text}11}12func (r *report) String() string {13	return fmt.Sprintf("%s14}15import (16func TestReport(t *testing.T) {17    r := New("title", "text")18    if r.title != "title" {19        t.Errorf("Expected title to be 'title', got '%s'", r.title)20    }21    if r.text != "text" {22        t.Errorf("Expected text to be 'text', got '%s'", r.text)23    }24}25func Fuzz(data []byte) int {26    r := New(string(data), string(data))27    if r.title != string(data) {28    }29    if r.text != string(data) {30    }31}

Fuzz

Using AI Code Generation

1import (2func Fuzz(data []byte) int {3	report := fuzz.Report{}4	report.Fuzz(data)5	fmt.Println(report)6}7func main() {8}9import (10func Fuzz(data []byte) int {11	report := fuzz.Report{}12	report.Fuzz(data)13	fmt.Println(report)14}15func main() {16}17import (18func Fuzz(data []byte) int {19	report := fuzz.Report{}20	report.Fuzz(data)21	fmt.Println(report)22}23func main() {24}25import (26func Fuzz(data []byte) int {27	report := fuzz.Report{}28	report.Fuzz(data)29	fmt.Println(report)30}31func main() {32}33import (34func Fuzz(data []byte) int {35	report := fuzz.Report{}36	report.Fuzz(data)37	fmt.Println(report)38}39func main() {40}41import (42func Fuzz(data []byte) int {43	report := fuzz.Report{}44	report.Fuzz(data)45	fmt.Println(report)46}

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.