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How to use checkCSVReport method of cover Package

Best Syzkaller code snippet using cover.checkCSVReport

report_test.go

Source:report_test.go

...131	}132	if test.Result != "" {133		t.Fatalf("got no error, but expected %q", test.Result)134	}135	checkCSVReport(t, csv)136	_ = rep137}138const kcovCode = `139#ifdef ASLR_BASE140#define _GNU_SOURCE141#endif142#include <stdio.h>143#ifdef ASLR_BASE144#include <dlfcn.h>145#include <link.h>146#include <stddef.h>147void* aslr_base() {148       struct link_map* map = NULL;149       void* handle = dlopen(NULL, RTLD_LAZY | RTLD_NOLOAD);150       if (handle != NULL) {151              dlinfo(handle, RTLD_DI_LINKMAP, &map);152              dlclose(handle);153       }154       return map ? map->l_addr : NULL;155}156#else157void* aslr_base() { return NULL; }158#endif159void __sanitizer_cov_trace_pc() { printf("%llu", (long long)(__builtin_return_address(0) - aslr_base())); }160`161func buildTestBinary(t *testing.T, target *targets.Target, test Test, dir string) string {162	kcovSrc := filepath.Join(dir, "kcov.c")163	kcovObj := filepath.Join(dir, "kcov.o")164	if err := osutil.WriteFile(kcovSrc, []byte(kcovCode)); err != nil {165		t.Fatal(err)166	}167	aslrDefine := "-DNO_ASLR_BASE"168	if target.OS == targets.Linux || target.OS == targets.OpenBSD ||169		target.OS == targets.FreeBSD || target.OS == targets.NetBSD {170		aslrDefine = "-DASLR_BASE"171	}172	aslrExtraLibs := []string{}173	if target.OS == targets.Linux {174		aslrExtraLibs = []string{"-ldl"}175	}176	kcovFlags := append([]string{"-c", "-fpie", "-w", "-x", "c", "-o", kcovObj, kcovSrc, aslrDefine}, target.CFlags...)177	src := filepath.Join(dir, "main.c")178	obj := filepath.Join(dir, "main.o")179	bin := filepath.Join(dir, target.KernelObject)180	if err := osutil.WriteFile(src, []byte(`int main() {}`)); err != nil {181		t.Fatal(err)182	}183	if _, err := osutil.RunCmd(time.Hour, "", target.CCompiler, kcovFlags...); err != nil {184		t.Fatal(err)185	}186	// We used to compile and link with a single compiler invocation,187	// but clang has a bug that it tries to link in ubsan runtime when188	// -fsanitize-coverage=trace-pc is provided during linking and189	// ubsan runtime is missing for arm/arm64/riscv arches in the llvm packages.190	// So we first compile with -fsanitize-coverage and then link w/o it.191	cflags := append(append([]string{"-w", "-c", "-o", obj, src}, target.CFlags...), test.CFlags...)192	if _, err := osutil.RunCmd(time.Hour, "", target.CCompiler, cflags...); err != nil {193		errText := err.Error()194		errText = strings.ReplaceAll(errText, "â", "'")195		errText = strings.ReplaceAll(errText, "â", "'")196		if strings.Contains(errText, "error: unrecognized command line option '-fsanitize-coverage=trace-pc'") &&197			(os.Getenv("SYZ_BIG_ENV") == "" || target.OS == targets.Akaros) {198			t.Skip("skipping test, -fsanitize-coverage=trace-pc is not supported")199		}200		t.Fatal(err)201	}202	ldflags := append(append(append([]string{"-o", bin, obj, kcovObj}, aslrExtraLibs...),203		target.CFlags...), test.LDFlags...)204	staticIdx, pieIdx := -1, -1205	for i, arg := range ldflags {206		switch arg {207		case "-static":208			staticIdx = i209		case "-pie":210			pieIdx = i211		}212	}213	if target.OS == targets.Fuchsia && pieIdx != -1 {214		// Fuchsia toolchain fails when given -pie:215		// clang-12: error: argument unused during compilation: '-pie'216		ldflags[pieIdx] = ldflags[len(ldflags)-1]217		ldflags = ldflags[:len(ldflags)-1]218	} else if pieIdx != -1 && staticIdx != -1 {219		// -static and -pie are incompatible during linking.220		ldflags[staticIdx] = ldflags[len(ldflags)-1]221		ldflags = ldflags[:len(ldflags)-1]222	}223	if _, err := osutil.RunCmd(time.Hour, "", target.CCompiler, ldflags...); err != nil {224		// Arm linker in the big-env image has a bug when linking a clang-produced files.225		if regexp.MustCompile(`arm-linux-gnueabi.* assertion fail`).MatchString(err.Error()) {226			t.Skipf("skipping test, broken arm linker (%v)", err)227		}228		t.Fatal(err)229	}230	return bin231}232func generateReport(t *testing.T, target *targets.Target, test Test) ([]byte, []byte, error) {233	dir := t.TempDir()234	bin := buildTestBinary(t, target, test, dir)235	subsystem := []mgrconfig.Subsystem{236		{237			Name: "sound",238			Paths: []string{239				"sound",240				"techpack/audio",241			},242		},243	}244	rg, err := MakeReportGenerator(target, "", dir, dir, dir, subsystem, nil, nil, false)245	if err != nil {246		return nil, nil, err247	}248	if test.AddCover {249		var pcs []uint64250		// Sanitizers crash when installing signal handlers with static libc.251		const sanitizerOptions = "handle_segv=0:handle_sigbus=0:handle_sigfpe=0"252		cmd := osutil.Command(bin)253		cmd.Env = append([]string{254			"UBSAN_OPTIONS=" + sanitizerOptions,255			"ASAN_OPTIONS=" + sanitizerOptions,256		}, os.Environ()...)257		if output, err := osutil.Run(time.Minute, cmd); err == nil {258			pc, err := strconv.ParseUint(string(output), 10, 64)259			if err != nil {260				t.Fatal(err)261			}262			pcs = append(pcs, backend.PreviousInstructionPC(target, pc))263			t.Logf("using exact coverage PC 0x%x", pcs[0])264		} else if target.OS == runtime.GOOS && (target.Arch == runtime.GOARCH || target.VMArch == runtime.GOARCH) {265			t.Fatal(err)266		} else {267			symb := symbolizer.NewSymbolizer(target)268			text, err := symb.ReadTextSymbols(bin)269			if err != nil {270				t.Fatal(err)271			}272			if nmain := len(text["main"]); nmain != 1 {273				t.Fatalf("got %v main symbols", nmain)274			}275			main := text["main"][0]276			for off := 0; off < main.Size; off++ {277				pcs = append(pcs, main.Addr+uint64(off))278			}279			t.Logf("using inexact coverage range 0x%x-0x%x", main.Addr, main.Addr+uint64(main.Size))280		}281		test.Progs = append(test.Progs, Prog{Data: "main", PCs: pcs})282	}283	html := new(bytes.Buffer)284	if err := rg.DoHTML(html, test.Progs, nil); err != nil {285		return nil, nil, err286	}287	htmlTable := new(bytes.Buffer)288	if err := rg.DoHTMLTable(htmlTable, test.Progs, nil); err != nil {289		return nil, nil, err290	}291	_ = htmlTable292	csv := new(bytes.Buffer)293	if err := rg.DoCSV(csv, test.Progs, nil); err != nil {294		return nil, nil, err295	}296	csvFiles := new(bytes.Buffer)297	if err := rg.DoCSVFiles(csvFiles, test.Progs, nil); err != nil {298		return nil, nil, err299	}300	_ = csvFiles301	return html.Bytes(), csv.Bytes(), nil302}303func checkCSVReport(t *testing.T, CSVReport []byte) {304	csvReader := csv.NewReader(bytes.NewBuffer(CSVReport))305	lines, err := csvReader.ReadAll()306	if err != nil {307		t.Fatal(err)308	}309	if !reflect.DeepEqual(lines[0], csvHeader) {310		t.Fatalf("heading line in CSV doesn't match %v", lines[0])311	}312	foundMain := false313	for _, line := range lines {314		if line[2] == "main" {315			foundMain = true316			if line[3] != "1" && line[4] != "1" {317				t.Fatalf("function coverage percentage doesn't match %v vs. %v", line[3], "100")...

checkCSVReport

Using AI Code Generation

1cover.checkCSVReport();2cover.checkCSVReport();3cover.checkCSVReport();4cover.checkCSVReport();5cover.checkCSVReport();6cover.checkCSVReport();7cover.checkCSVReport();8cover.checkCSVReport();9cover.checkCSVReport();10cover.checkCSVReport();11cover.checkCSVReport();12cover.checkCSVReport();13cover.checkCSVReport();14cover.checkCSVReport();15cover.checkCSVReport();16cover.checkCSVReport();17cover.checkCSVReport();18cover.checkCSVReport();19cover.checkCSVReport();20cover.checkCSVReport();21cover.checkCSVReport();

checkCSVReport

Using AI Code Generation

1func main() {2    f, err := os.Open("test.csv")3    if err != nil {4        panic(err)5    }6    defer f.Close()7    r := csv.NewReader(f)8    records, err := r.ReadAll()9    if err != nil {10        panic(err)11    }12    for _, record := range records {13        fmt.Println(record)14    }15}16func main() {17    f, err := os.Open("test.csv")18    if err != nil {19        panic(err)20    }21    defer f.Close()22    r := csv.NewReader(f)23    records, err := r.ReadAll()24    if err != nil {25        panic(err)26    }27    for _, record := range records {28        fmt.Println(record)29    }30}31func main() {32    f, err := os.Open("test.csv")33    if err != nil {34        panic(err)35    }36    defer f.Close()37    r := csv.NewReader(f)38    records, err := r.ReadAll()39    if err != nil {40        panic(err)41    }42    for _, record := range records {43        fmt.Println(record)44    }45}46func main() {47    f, err := os.Open("test.csv")48    if err != nil {49        panic(err)50    }51    defer f.Close()52    r := csv.NewReader(f)53    records, err := r.ReadAll()54    if err != nil {55        panic(err)56    }57    for _, record := range records {58        fmt.Println(record)59    }60}61func main() {62    f, err := os.Open("test.csv")63    if err != nil {64        panic(err)65    }66    defer f.Close()67    r := csv.NewReader(f)68    records, err := r.ReadAll()69    if err != nil {70        panic(err)71    }72    for _, record := range records {73        fmt.Println(record)74    }75}76func main() {77    f, err := os.Open("test.csv")78    if err != nil {79        panic(err)80    }

checkCSVReport

Using AI Code Generation

1import (2func main() {3    fmt.Println("Hello, playground")4    cover.checkCSVReport()5}6import (7func checkCSVReport() {8    fmt.Println("Hello, playground")9}

checkCSVReport

Using AI Code Generation

1import (2func main() {3	cover := cover.New()4	cover.CheckCSVReport()5	fmt.Println("Done")6}7import (8func main() {9	cover := cover.New()10	cover.CheckCSVReport()11	fmt.Println("Done")12}13import (14func main() {15	cover := cover.New()16	cover.CheckCSVReport()17	fmt.Println("Done")18}19import (20func main() {21	cover := cover.New()22	cover.CheckCSVReport()23	fmt.Println("Done")24}25import (26func main() {27	cover := cover.New()28	cover.CheckCSVReport()29	fmt.Println("Done")30}31import (32func main() {33	cover := cover.New()34	cover.CheckCSVReport()35	fmt.Println("Done")36}37import (38func main() {39	cover := cover.New()40	cover.CheckCSVReport()41	fmt.Println("Done")42}43import (44func main() {45	cover := cover.New()46	cover.CheckCSVReport()47	fmt.Println("Done")48}49import (50func main() {51	cover := cover.New()52	cover.CheckCSVReport()53	fmt.Println("Done")54}

checkCSVReport

Using AI Code Generation

1import (2func main() {3	fmt.Println("The coverage is: ", checkCSVReport(csvReport))4}5func checkCSVReport(csvReport string) string {6	coverage := strings.Split(csvReport, " ")[1]7	re := regexp.MustCompile(`\d+`)8	if re.MatchString(coverage) {9	} else {10	}11}12import (13func main() {14	fmt.Println("The coverage is: ", checkCSVReport(csvReport))15}16func checkCSVReport(csvReport string) string {17	coverage := strings.Split(csvReport, " ")[1]18	re := regexp.MustCompile(`\d+`)19	if re.MatchString(coverage) {20	} else {21	}22}23import (24func main() {25	fmt.Println("The coverage is: ", checkCSVReport(csvReport))26}27func checkCSVReport(csvReport string) string {28	coverage := strings.Split(csvReport, " ")[1]

checkCSVReport

Using AI Code Generation

1import (2func main() {3	fmt.Println("Welcome to the Go CSV Reader")4	fmt.Println("Please enter the file name with extension")5	fmt.Scanln(&fileName)6	c := cover{}7	c.checkCSVReport(fileName)8}9import (10type cover struct {11}12func (c cover) checkCSVReport(fileName string) {13	file, err := os.Open(fileName)14	if err != nil {15		fmt.Println("Error:", err)16	}17	defer file.Close()18	reader := csv.NewReader(file)19	data, err := reader.ReadAll()20	if err != nil {21		fmt.Println("Error:", err)22	}23	for _, each := range data {24		fmt.Println(each)25	}26}

checkCSVReport

Using AI Code Generation

1import (2func main() {3	cover.checkCSVReport("path of csv file")4}5import (6func main() {7	cover.checkCSVReport("path of csv file")8}9import (10func main() {11	cover.checkCSVReport("path of csv file")12}13import (14func main() {15	cover.checkCSVReport("path of csv file")16}17import (18func main() {19	cover.checkCSVReport("path of csv file")20}21import (22func main() {23	cover.checkCSVReport("path of csv file")24}25import (26func main() {27	cover.checkCSVReport("path of csv file")28}29import (30func main()

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