How to use checkOpts method of repro Package

Best Syzkaller code snippet using repro.checkOpts

repro.go

Source:repro.go

...386	}()387	// Do further simplifications.388	for _, simplify := range progSimplifies {389		opts := res.Opts390		if !simplify(&opts) || !checkOpts(&opts, ctx.timeouts, res.Duration) {391			continue392		}393		crashed, err := ctx.testProg(res.Prog, res.Duration, opts)394		if err != nil {395			return nil, err396		}397		if !crashed {398			continue399		}400		res.Opts = opts401		// Simplification successful, try extracting C repro.402		res, err = ctx.extractC(res)403		if err != nil {404			return nil, err405		}406		if res.CRepro {407			return res, nil408		}409	}410	return res, nil411}412// Try triggering crash with a C reproducer.413func (ctx *context) extractC(res *Result) (*Result, error) {414	ctx.reproLogf(2, "extracting C reproducer")415	start := time.Now()416	defer func() {417		ctx.stats.ExtractCTime = time.Since(start)418	}()419	crashed, err := ctx.testCProg(res.Prog, res.Duration, res.Opts)420	if err != nil {421		return nil, err422	}423	res.CRepro = crashed424	return res, nil425}426// Try to simplify the C reproducer.427func (ctx *context) simplifyC(res *Result) (*Result, error) {428	ctx.reproLogf(2, "simplifying C reproducer")429	start := time.Now()430	defer func() {431		ctx.stats.SimplifyCTime = time.Since(start)432	}()433	for _, simplify := range cSimplifies {434		opts := res.Opts435		if !simplify(&opts) || !checkOpts(&opts, ctx.timeouts, res.Duration) {436			continue437		}438		crashed, err := ctx.testCProg(res.Prog, res.Duration, opts)439		if err != nil {440			return nil, err441		}442		if !crashed {443			continue444		}445		res.Opts = opts446	}447	return res, nil448}449func checkOpts(opts *csource.Options, timeouts targets.Timeouts, timeout time.Duration) bool {450	if !opts.Repeat && timeout >= time.Minute {451		// If we have a non-repeating C reproducer with timeout > vm.NoOutputTimeout and it hangs452		// (the reproducer itself does not terminate on its own, note: it does not have builtin timeout),453		// then we will falsely detect "not output from test machine" kernel bug.454		// We could fix it by adding a builtin timeout to such reproducers (like we have in all other cases).455		// However, then it will exit within few seconds and we will finish the test without actually waiting456		// for full vm.NoOutputTimeout, which breaks the whole reason of using vm.NoOutputTimeout in the first457		// place. So we would need something more elaborate: let the program exist after few seconds, but458		// continue waiting for kernel hang errors for minutes, but at the same time somehow ignore "no output"459		// error because it will be false in this case.460		// Instead we simply prohibit !Repeat with long timeouts.461		// It makes sense on its own to some degree: if we are chasing an elusive bug, repeating the test462		// will increase chances of reproducing it and can make the reproducer less flaky.463		// Syz repros does not have this problem because they always have internal timeout, however...

checkOpts

Using AI Code Generation

1import (2type Repro struct {3}4func (r *Repro) checkOpts(opts ...interface{}) {5    for _, o := range opts {6        switch o.(type) {7            fmt.Println("int")8            fmt.Println("string")9            fmt.Println("float64")10            fmt.Println("unknown")11        }12    }13}14func main() {15    r := Repro{16    }17    r.checkOpts(1, 2, 3)18    r.checkOpts(1, "2", 3.0)19    r.checkOpts(1, "2", 3.0, 4)20    r.checkOpts(1, "2", 3.0, "4")21}

checkOpts

Using AI Code Generation

1import (2func main() {3    flag.Var(&opts, "opts", "opts to use")4    flag.Parse()5    fmt.Println(opts.checkOpts())6}7import (8func main() {9    flag.Var(&opts, "opts", "opts to use")10    flag.Parse()11    fmt.Println(opts.checkOpts())12}13import (14func main() {15    flag.Var(&opts, "opts", "opts to use")16    flag.Parse()17    fmt.Println(opts.checkOpts())18}19import (20func main() {21    flag.Var(&opts, "opts", "opts to use")22    flag.Parse()23    fmt.Println(opts.checkOpts())24}25import (26func main() {27    flag.Var(&opts, "opts", "opts to use")28    flag.Parse()29    fmt.Println(opts.checkOpts())30}31import (32func main() {33    flag.Var(&opts, "opts", "opts to use")34    flag.Parse()35    fmt.Println(opts.checkOpts())36}37import (38func main() {39    flag.Var(&opts, "opts", "opts to use")40    flag.Parse()41    fmt.Println(opts.checkOpts())42}43import (44func main() {45    flag.Var(&opts,

checkOpts

Using AI Code Generation

1import (2func main() {3    r := NewRepro()4    if err := r.checkOpts(); err != nil {5        log.Fatalf("error: %v", err)6    }7}8import (9func main() {10    r := NewRepro()11    if err := r.checkOpts(); err != nil {12        log.Fatalf("error: %v", err)13    }14}15import (16func main() {17    r := NewRepro()18    if err := r.checkOpts(); err != nil {19        log.Fatalf("error: %v", err)20    }21}22import (23func main() {24    r := NewRepro()25    if err := r.checkOpts(); err != nil {26        log.Fatalf("error: %v", err)27    }28}29import (30func main() {31    r := NewRepro()32    if err := r.checkOpts(); err != nil {33        log.Fatalf("error: %v", err)34    }35}36import (37func main() {

checkOpts

Using AI Code Generation

1import (2func main() {3	fmt.Println("Hello World!")4	repro.CheckOpts()5}6import (7type Options struct {8}9func CheckOpts() {10	_, err := flags.Parse(&opts)11	if err != nil {12		fmt.Println("Error parsing options")13	}14	fmt.Println(opts.Verbose)15}

checkOpts

Using AI Code Generation

1import (2func main() {3    fmt.Println("testing")4    opts := make(map[string]string)5    r := repro.Repro{}6    r.CheckOpts(opts)7}8import (9type Repro struct {10}11func (r Repro) CheckOpts(opts map[string]string) {12    for k, v := range opts {13        fmt.Println(k, v)14    }15}16./2.go:15: cannot use r (type Repro) as type repro.Repro in assignment:17Repro does not implement repro.Repro (missing CheckOpts method)18func isURL(url string) bool {19    _, err := url.ParseRequestURI(url)20    if err != nil {21    }22    u, err := url.Parse(url)23    if err != nil || u.Scheme == "" || u.Host == "" {24    }25}26./main.go:17: url.ParseRequestURI undefined (type string has no field or method ParseRequestURI)27func isURL(url string) bool {28    _, err := url.ParseRequestURI(url)29    if err != nil {

checkOpts

Using AI Code Generation

1import (2func main() {3	repro := new(Repro)4	repro.checkOpts(map[string]interface{}{"opt": true})5}6import (7type Repro struct {8}9func (r *Repro) checkOpts(opts map[string]interface{}) {10	fmt.Println(opts["opt"])11}12I have tried this in Go Playground and I get the same results. That's because the Playground uses Go 1.14.2, which is newer than the version you're using (1.13.8). I have tried this in Go Playground and I get the same results. That's because the Playground uses Go 1.14.2, which is newer than the version you're using (1.13.8). I have tried this in Go Playground and I get the same results. That's because the Playground uses Go 1.14.2, which is newer than the version

checkOpts

Using AI Code Generation

1import (2type Repro struct {3}4func (r *Repro) checkOpts() {5	fmt.Printf("%# v", pretty.Formatter(r.Opts))6}7func main() {8	r := Repro{9		Opts: map[string]string{10		},11	}12	r.checkOpts()13}14import (15type Repro struct {16}17func (r Repro) checkOpts() {18	fmt.Printf("%# v", pretty.Formatter(r.Opts))19}20func main() {21	r := Repro{22		Opts: map[string]string{23		},24	}25	r.checkOpts()26}

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.