| // Copyright 2012 The Go Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style |
| // license that can be found in the LICENSE file. |
| |
| package windows_test |
| |
| import ( |
| "bytes" |
| "debug/pe" |
| "errors" |
| "fmt" |
| "io/ioutil" |
| "math/rand" |
| "os" |
| "path/filepath" |
| "runtime" |
| "strconv" |
| "strings" |
| "syscall" |
| "testing" |
| "unsafe" |
| |
| "golang.org/x/sys/windows" |
| ) |
| |
| func TestWin32finddata(t *testing.T) { |
| dir, err := ioutil.TempDir("", "go-build") |
| if err != nil { |
| t.Fatalf("failed to create temp directory: %v", err) |
| } |
| defer os.RemoveAll(dir) |
| |
| path := filepath.Join(dir, "long_name.and_extension") |
| f, err := os.Create(path) |
| if err != nil { |
| t.Fatalf("failed to create %v: %v", path, err) |
| } |
| f.Close() |
| |
| type X struct { |
| fd windows.Win32finddata |
| got byte |
| pad [10]byte // to protect ourselves |
| |
| } |
| var want byte = 2 // it is unlikely to have this character in the filename |
| x := X{got: want} |
| |
| pathp, _ := windows.UTF16PtrFromString(path) |
| h, err := windows.FindFirstFile(pathp, &(x.fd)) |
| if err != nil { |
| t.Fatalf("FindFirstFile failed: %v", err) |
| } |
| err = windows.FindClose(h) |
| if err != nil { |
| t.Fatalf("FindClose failed: %v", err) |
| } |
| |
| if x.got != want { |
| t.Fatalf("memory corruption: want=%d got=%d", want, x.got) |
| } |
| } |
| |
| func TestFormatMessage(t *testing.T) { |
| dll := windows.MustLoadDLL("netevent.dll") |
| |
| const TITLE_SC_MESSAGE_BOX uint32 = 0xC0001B75 |
| const flags uint32 = syscall.FORMAT_MESSAGE_FROM_HMODULE | syscall.FORMAT_MESSAGE_ARGUMENT_ARRAY | syscall.FORMAT_MESSAGE_IGNORE_INSERTS |
| buf := make([]uint16, 300) |
| _, err := windows.FormatMessage(flags, uintptr(dll.Handle), TITLE_SC_MESSAGE_BOX, 0, buf, nil) |
| if err != nil { |
| t.Fatalf("FormatMessage for handle=%x and errno=%x failed: %v", dll.Handle, TITLE_SC_MESSAGE_BOX, err) |
| } |
| } |
| |
| func abort(funcname string, err error) { |
| panic(funcname + " failed: " + err.Error()) |
| } |
| |
| func ExampleLoadLibrary() { |
| h, err := windows.LoadLibrary("kernel32.dll") |
| if err != nil { |
| abort("LoadLibrary", err) |
| } |
| defer windows.FreeLibrary(h) |
| proc, err := windows.GetProcAddress(h, "GetVersion") |
| if err != nil { |
| abort("GetProcAddress", err) |
| } |
| r, _, _ := syscall.Syscall(uintptr(proc), 0, 0, 0, 0) |
| major := byte(r) |
| minor := uint8(r >> 8) |
| build := uint16(r >> 16) |
| print("windows version ", major, ".", minor, " (Build ", build, ")\n") |
| } |
| |
| func TestTOKEN_ALL_ACCESS(t *testing.T) { |
| if windows.TOKEN_ALL_ACCESS != 0xF01FF { |
| t.Errorf("TOKEN_ALL_ACCESS = %x, want 0xF01FF", windows.TOKEN_ALL_ACCESS) |
| } |
| } |
| |
| func TestCreateWellKnownSid(t *testing.T) { |
| sid, err := windows.CreateWellKnownSid(windows.WinBuiltinAdministratorsSid) |
| if err != nil { |
| t.Fatalf("Unable to create well known sid for administrators: %v", err) |
| } |
| if got, want := sid.String(), "S-1-5-32-544"; got != want { |
| t.Fatalf("Builtin Administrators SID = %s, want %s", got, want) |
| } |
| } |
| |
| func TestPseudoTokens(t *testing.T) { |
| version, err := windows.GetVersion() |
| if err != nil { |
| t.Fatal(err) |
| } |
| if ((version&0xffff)>>8)|((version&0xff)<<8) < 0x0602 { |
| return |
| } |
| |
| realProcessToken, err := windows.OpenCurrentProcessToken() |
| if err != nil { |
| t.Fatal(err) |
| } |
| defer realProcessToken.Close() |
| realProcessUser, err := realProcessToken.GetTokenUser() |
| if err != nil { |
| t.Fatal(err) |
| } |
| |
| pseudoProcessToken := windows.GetCurrentProcessToken() |
| pseudoProcessUser, err := pseudoProcessToken.GetTokenUser() |
| if err != nil { |
| t.Fatal(err) |
| } |
| if !windows.EqualSid(realProcessUser.User.Sid, pseudoProcessUser.User.Sid) { |
| t.Fatal("The real process token does not have the same as the pseudo process token") |
| } |
| |
| runtime.LockOSThread() |
| defer runtime.UnlockOSThread() |
| |
| err = windows.RevertToSelf() |
| if err != nil { |
| t.Fatal(err) |
| } |
| |
| pseudoThreadToken := windows.GetCurrentThreadToken() |
| _, err = pseudoThreadToken.GetTokenUser() |
| if err != windows.ERROR_NO_TOKEN { |
| t.Fatal("Expected an empty thread token") |
| } |
| pseudoThreadEffectiveToken := windows.GetCurrentThreadEffectiveToken() |
| pseudoThreadEffectiveUser, err := pseudoThreadEffectiveToken.GetTokenUser() |
| if err != nil { |
| t.Fatal(nil) |
| } |
| if !windows.EqualSid(realProcessUser.User.Sid, pseudoThreadEffectiveUser.User.Sid) { |
| t.Fatal("The real process token does not have the same as the pseudo thread effective token, even though we aren't impersonating") |
| } |
| |
| err = windows.ImpersonateSelf(windows.SecurityImpersonation) |
| if err != nil { |
| t.Fatal(err) |
| } |
| defer windows.RevertToSelf() |
| pseudoThreadUser, err := pseudoThreadToken.GetTokenUser() |
| if err != nil { |
| t.Fatal(err) |
| } |
| if !windows.EqualSid(realProcessUser.User.Sid, pseudoThreadUser.User.Sid) { |
| t.Fatal("The real process token does not have the same as the pseudo thread token after impersonating self") |
| } |
| } |
| |
| func TestGUID(t *testing.T) { |
| guid, err := windows.GenerateGUID() |
| if err != nil { |
| t.Fatal(err) |
| } |
| if guid.Data1 == 0 && guid.Data2 == 0 && guid.Data3 == 0 && guid.Data4 == [8]byte{} { |
| t.Fatal("Got an all zero GUID, which is overwhelmingly unlikely") |
| } |
| want := fmt.Sprintf("{%08X-%04X-%04X-%04X-%012X}", guid.Data1, guid.Data2, guid.Data3, guid.Data4[:2], guid.Data4[2:]) |
| got := guid.String() |
| if got != want { |
| t.Fatalf("String = %q; want %q", got, want) |
| } |
| guid2, err := windows.GUIDFromString(got) |
| if err != nil { |
| t.Fatal(err) |
| } |
| if guid2 != guid { |
| t.Fatalf("Did not parse string back to original GUID = %q; want %q", guid2, guid) |
| } |
| _, err = windows.GUIDFromString("not-a-real-guid") |
| if err != syscall.Errno(windows.CO_E_CLASSSTRING) { |
| t.Fatalf("Bad GUID string error = %v; want CO_E_CLASSSTRING", err) |
| } |
| } |
| |
| func TestKnownFolderPath(t *testing.T) { |
| token, err := windows.OpenCurrentProcessToken() |
| if err != nil { |
| t.Fatal(err) |
| } |
| defer token.Close() |
| profileDir, err := token.GetUserProfileDirectory() |
| if err != nil { |
| t.Fatal(err) |
| } |
| want := filepath.Join(profileDir, "Desktop") |
| got, err := windows.KnownFolderPath(windows.FOLDERID_Desktop, windows.KF_FLAG_DEFAULT) |
| if err != nil { |
| t.Fatal(err) |
| } |
| if want != got { |
| t.Fatalf("Path = %q; want %q", got, want) |
| } |
| } |
| |
| func TestRtlGetVersion(t *testing.T) { |
| version := windows.RtlGetVersion() |
| major, minor, build := windows.RtlGetNtVersionNumbers() |
| // Go is not explictly added to the application compatibility database, so |
| // these two functions should return the same thing. |
| if version.MajorVersion != major || version.MinorVersion != minor || version.BuildNumber != build { |
| t.Fatalf("%d.%d.%d != %d.%d.%d", version.MajorVersion, version.MinorVersion, version.BuildNumber, major, minor, build) |
| } |
| } |
| |
| func TestGetNamedSecurityInfo(t *testing.T) { |
| path, err := windows.GetSystemDirectory() |
| if err != nil { |
| t.Fatal(err) |
| } |
| sd, err := windows.GetNamedSecurityInfo(path, windows.SE_FILE_OBJECT, windows.OWNER_SECURITY_INFORMATION) |
| if err != nil { |
| t.Fatal(err) |
| } |
| if !sd.IsValid() { |
| t.Fatal("Invalid security descriptor") |
| } |
| sdOwner, _, err := sd.Owner() |
| if err != nil { |
| t.Fatal(err) |
| } |
| if !sdOwner.IsValid() { |
| t.Fatal("Invalid security descriptor owner") |
| } |
| } |
| |
| func TestGetSecurityInfo(t *testing.T) { |
| sd, err := windows.GetSecurityInfo(windows.CurrentProcess(), windows.SE_KERNEL_OBJECT, windows.DACL_SECURITY_INFORMATION) |
| if err != nil { |
| t.Fatal(err) |
| } |
| if !sd.IsValid() { |
| t.Fatal("Invalid security descriptor") |
| } |
| sdStr := sd.String() |
| if !strings.HasPrefix(sdStr, "D:(A;") { |
| t.Fatalf("DACL = %q; want D:(A;...", sdStr) |
| } |
| } |
| |
| func TestSddlConversion(t *testing.T) { |
| sd, err := windows.SecurityDescriptorFromString("O:BA") |
| if err != nil { |
| t.Fatal(err) |
| } |
| if !sd.IsValid() { |
| t.Fatal("Invalid security descriptor") |
| } |
| sdOwner, _, err := sd.Owner() |
| if err != nil { |
| t.Fatal(err) |
| } |
| if !sdOwner.IsValid() { |
| t.Fatal("Invalid security descriptor owner") |
| } |
| if !sdOwner.IsWellKnown(windows.WinBuiltinAdministratorsSid) { |
| t.Fatalf("Owner = %q; want S-1-5-32-544", sdOwner) |
| } |
| } |
| |
| func TestBuildSecurityDescriptor(t *testing.T) { |
| const want = "O:SYD:(A;;GA;;;BA)" |
| |
| adminSid, err := windows.CreateWellKnownSid(windows.WinBuiltinAdministratorsSid) |
| if err != nil { |
| t.Fatal(err) |
| } |
| systemSid, err := windows.CreateWellKnownSid(windows.WinLocalSystemSid) |
| if err != nil { |
| t.Fatal(err) |
| } |
| |
| access := []windows.EXPLICIT_ACCESS{{ |
| AccessPermissions: windows.GENERIC_ALL, |
| AccessMode: windows.GRANT_ACCESS, |
| Trustee: windows.TRUSTEE{ |
| TrusteeForm: windows.TRUSTEE_IS_SID, |
| TrusteeType: windows.TRUSTEE_IS_GROUP, |
| TrusteeValue: windows.TrusteeValueFromSID(adminSid), |
| }, |
| }} |
| owner := &windows.TRUSTEE{ |
| TrusteeForm: windows.TRUSTEE_IS_SID, |
| TrusteeType: windows.TRUSTEE_IS_USER, |
| TrusteeValue: windows.TrusteeValueFromSID(systemSid), |
| } |
| |
| sd, err := windows.BuildSecurityDescriptor(owner, nil, access, nil, nil) |
| if err != nil { |
| t.Fatal(err) |
| } |
| sd, err = sd.ToAbsolute() |
| if err != nil { |
| t.Fatal(err) |
| } |
| err = sd.SetSACL(nil, false, false) |
| if err != nil { |
| t.Fatal(err) |
| } |
| if got := sd.String(); got != want { |
| t.Fatalf("SD = %q; want %q", got, want) |
| } |
| sd, err = sd.ToSelfRelative() |
| if err != nil { |
| t.Fatal(err) |
| } |
| if got := sd.String(); got != want { |
| t.Fatalf("SD = %q; want %q", got, want) |
| } |
| |
| sd, err = windows.NewSecurityDescriptor() |
| if err != nil { |
| t.Fatal(err) |
| } |
| acl, err := windows.ACLFromEntries(access, nil) |
| if err != nil { |
| t.Fatal(err) |
| } |
| err = sd.SetDACL(acl, true, false) |
| if err != nil { |
| t.Fatal(err) |
| } |
| err = sd.SetOwner(systemSid, false) |
| if err != nil { |
| t.Fatal(err) |
| } |
| if got := sd.String(); got != want { |
| t.Fatalf("SD = %q; want %q", got, want) |
| } |
| sd, err = sd.ToSelfRelative() |
| if err != nil { |
| t.Fatal(err) |
| } |
| if got := sd.String(); got != want { |
| t.Fatalf("SD = %q; want %q", got, want) |
| } |
| } |
| |
| func TestGetDiskFreeSpaceEx(t *testing.T) { |
| cwd, err := windows.UTF16PtrFromString(".") |
| if err != nil { |
| t.Fatalf(`failed to call UTF16PtrFromString("."): %v`, err) |
| } |
| var freeBytesAvailableToCaller, totalNumberOfBytes, totalNumberOfFreeBytes uint64 |
| if err := windows.GetDiskFreeSpaceEx(cwd, &freeBytesAvailableToCaller, &totalNumberOfBytes, &totalNumberOfFreeBytes); err != nil { |
| t.Fatalf("failed to call GetDiskFreeSpaceEx: %v", err) |
| } |
| |
| if freeBytesAvailableToCaller == 0 { |
| t.Errorf("freeBytesAvailableToCaller: got 0; want > 0") |
| } |
| if totalNumberOfBytes == 0 { |
| t.Errorf("totalNumberOfBytes: got 0; want > 0") |
| } |
| if totalNumberOfFreeBytes == 0 { |
| t.Errorf("totalNumberOfFreeBytes: got 0; want > 0") |
| } |
| } |
| |
| func TestGetPreferredUILanguages(t *testing.T) { |
| tab := map[string]func(flags uint32) ([]string, error){ |
| "GetProcessPreferredUILanguages": windows.GetProcessPreferredUILanguages, |
| "GetThreadPreferredUILanguages": windows.GetThreadPreferredUILanguages, |
| "GetUserPreferredUILanguages": windows.GetUserPreferredUILanguages, |
| "GetSystemPreferredUILanguages": windows.GetSystemPreferredUILanguages, |
| } |
| for fName, f := range tab { |
| lang, err := f(windows.MUI_LANGUAGE_ID) |
| if err != nil { |
| t.Errorf(`failed to call %v(MUI_LANGUAGE_ID): %v`, fName, err) |
| } |
| for _, l := range lang { |
| _, err := strconv.ParseUint(l, 16, 16) |
| if err != nil { |
| t.Errorf(`%v(MUI_LANGUAGE_ID) returned unexpected LANGID: %v`, fName, l) |
| } |
| } |
| |
| lang, err = f(windows.MUI_LANGUAGE_NAME) |
| if err != nil { |
| t.Errorf(`failed to call %v(MUI_LANGUAGE_NAME): %v`, fName, err) |
| } |
| } |
| } |
| |
| func TestProcessWorkingSetSizeEx(t *testing.T) { |
| // Grab a handle to the current process |
| hProcess := windows.CurrentProcess() |
| |
| // Allocate memory to store the result of the query |
| var minimumWorkingSetSize, maximumWorkingSetSize uintptr |
| |
| // Make the system-call |
| var flag uint32 |
| windows.GetProcessWorkingSetSizeEx(hProcess, &minimumWorkingSetSize, &maximumWorkingSetSize, &flag) |
| |
| // Set the new limits to the current ones |
| if err := windows.SetProcessWorkingSetSizeEx(hProcess, minimumWorkingSetSize, maximumWorkingSetSize, flag); err != nil { |
| t.Error(err) |
| } |
| } |
| |
| func TestJobObjectInfo(t *testing.T) { |
| jo, err := windows.CreateJobObject(nil, nil) |
| if err != nil { |
| t.Fatalf("CreateJobObject failed: %v", err) |
| } |
| defer windows.CloseHandle(jo) |
| |
| var info windows.JOBOBJECT_EXTENDED_LIMIT_INFORMATION |
| |
| err = windows.QueryInformationJobObject(jo, windows.JobObjectExtendedLimitInformation, |
| uintptr(unsafe.Pointer(&info)), uint32(unsafe.Sizeof(info)), nil) |
| if err != nil { |
| t.Fatalf("QueryInformationJobObject failed: %v", err) |
| } |
| |
| const wantMemLimit = 4 * 1024 |
| |
| info.BasicLimitInformation.LimitFlags |= windows.JOB_OBJECT_LIMIT_PROCESS_MEMORY |
| info.ProcessMemoryLimit = wantMemLimit |
| _, err = windows.SetInformationJobObject(jo, windows.JobObjectExtendedLimitInformation, |
| uintptr(unsafe.Pointer(&info)), uint32(unsafe.Sizeof(info))) |
| if err != nil { |
| t.Fatalf("SetInformationJobObject failed: %v", err) |
| } |
| |
| err = windows.QueryInformationJobObject(jo, windows.JobObjectExtendedLimitInformation, |
| uintptr(unsafe.Pointer(&info)), uint32(unsafe.Sizeof(info)), nil) |
| if err != nil { |
| t.Fatalf("QueryInformationJobObject failed: %v", err) |
| } |
| |
| if have := info.ProcessMemoryLimit; wantMemLimit != have { |
| t.Errorf("ProcessMemoryLimit is wrong: want %v have %v", wantMemLimit, have) |
| } |
| } |
| |
| func TestIsWow64Process2(t *testing.T) { |
| var processMachine, nativeMachine uint16 |
| err := windows.IsWow64Process2(windows.CurrentProcess(), &processMachine, &nativeMachine) |
| if errors.Is(err, windows.ERROR_PROC_NOT_FOUND) { |
| maj, min, build := windows.RtlGetNtVersionNumbers() |
| if maj < 10 || (maj == 10 && min == 0 && build < 17763) { |
| t.Skip("not available on older versions of Windows") |
| return |
| } |
| } |
| if err != nil { |
| t.Fatalf("IsWow64Process2 failed: %v", err) |
| } |
| if processMachine == pe.IMAGE_FILE_MACHINE_UNKNOWN { |
| processMachine = nativeMachine |
| } |
| switch { |
| case processMachine == pe.IMAGE_FILE_MACHINE_AMD64 && runtime.GOARCH == "amd64": |
| case processMachine == pe.IMAGE_FILE_MACHINE_I386 && runtime.GOARCH == "386": |
| case processMachine == pe.IMAGE_FILE_MACHINE_ARMNT && runtime.GOARCH == "arm": |
| case processMachine == pe.IMAGE_FILE_MACHINE_ARM64 && runtime.GOARCH == "arm64": |
| default: |
| t.Errorf("IsWow64Process2 is wrong: want %v have %v", runtime.GOARCH, processMachine) |
| } |
| } |
| |
| func TestNTStatusString(t *testing.T) { |
| want := "The name limit for the local computer network adapter card was exceeded." |
| got := windows.STATUS_TOO_MANY_NAMES.Error() |
| if want != got { |
| t.Errorf("NTStatus.Error did not return an expected error string - want %q; got %q", want, got) |
| } |
| } |
| |
| func TestNTStatusConversion(t *testing.T) { |
| want := windows.ERROR_TOO_MANY_NAMES |
| got := windows.STATUS_TOO_MANY_NAMES.Errno() |
| if want != got { |
| t.Errorf("NTStatus.Errno = %q (0x%x); want %q (0x%x)", got.Error(), got, want.Error(), want) |
| } |
| } |
| |
| func TestPEBFilePath(t *testing.T) { |
| peb := windows.RtlGetCurrentPeb() |
| if peb == nil || peb.Ldr == nil { |
| t.Error("unable to retrieve PEB with valid Ldr") |
| } |
| var entry *windows.LDR_DATA_TABLE_ENTRY |
| for cur := peb.Ldr.InMemoryOrderModuleList.Flink; cur != &peb.Ldr.InMemoryOrderModuleList; cur = cur.Flink { |
| e := (*windows.LDR_DATA_TABLE_ENTRY)(unsafe.Pointer(uintptr(unsafe.Pointer(cur)) - unsafe.Offsetof(windows.LDR_DATA_TABLE_ENTRY{}.InMemoryOrderLinks))) |
| if e.DllBase == peb.ImageBaseAddress { |
| entry = e |
| break |
| } |
| } |
| if entry == nil { |
| t.Error("unable to find Ldr entry for current process") |
| } |
| osPath, err := os.Executable() |
| if err != nil { |
| t.Errorf("unable to get path to current executable: %v", err) |
| } |
| pebPath := entry.FullDllName.String() |
| if osPath != pebPath { |
| t.Errorf("peb.Ldr.{entry}.FullDllName = %#q; want %#q", pebPath, osPath) |
| } |
| paramPath := peb.ProcessParameters.ImagePathName.String() |
| if osPath != paramPath { |
| t.Errorf("peb.ProcessParameters.ImagePathName.{entry}.ImagePathName = %#q; want %#q", paramPath, osPath) |
| } |
| osCwd, err := os.Getwd() |
| if err != nil { |
| t.Errorf("unable to get working directory: %v", err) |
| } |
| osCwd = filepath.Clean(osCwd) |
| paramCwd := filepath.Clean(peb.ProcessParameters.CurrentDirectory.DosPath.String()) |
| if paramCwd != osCwd { |
| t.Errorf("peb.ProcessParameters.CurrentDirectory.DosPath = %#q; want %#q", paramCwd, osCwd) |
| } |
| } |
| |
| func TestResourceExtraction(t *testing.T) { |
| system32, err := windows.GetSystemDirectory() |
| if err != nil { |
| t.Errorf("unable to find system32 directory: %v", err) |
| } |
| cmd, err := windows.LoadLibrary(filepath.Join(system32, "cmd.exe")) |
| if err != nil { |
| t.Errorf("unable to load cmd.exe: %v", err) |
| } |
| defer windows.FreeLibrary(cmd) |
| rsrc, err := windows.FindResource(cmd, windows.CREATEPROCESS_MANIFEST_RESOURCE_ID, windows.RT_MANIFEST) |
| if err != nil { |
| t.Errorf("unable to find cmd.exe manifest resource: %v", err) |
| } |
| manifest, err := windows.LoadResourceData(cmd, rsrc) |
| if err != nil { |
| t.Errorf("unable to load cmd.exe manifest resource data: %v", err) |
| } |
| if !bytes.Contains(manifest, []byte("</assembly>")) { |
| t.Errorf("did not find </assembly> in manifest") |
| } |
| } |
| |
| func TestCommandLineRecomposition(t *testing.T) { |
| const ( |
| maxCharsPerArg = 35 |
| maxArgsPerTrial = 80 |
| doubleQuoteProb = 4 |
| singleQuoteProb = 1 |
| backSlashProb = 3 |
| spaceProb = 1 |
| trials = 1000 |
| ) |
| randString := func(l int) []rune { |
| s := make([]rune, l) |
| for i := range s { |
| s[i] = rand.Int31() |
| } |
| return s |
| } |
| mungeString := func(s []rune, char rune, timesInTen int) { |
| if timesInTen < rand.Intn(10)+1 || len(s) == 0 { |
| return |
| } |
| s[rand.Intn(len(s))] = char |
| } |
| argStorage := make([]string, maxArgsPerTrial+1) |
| for i := 0; i < trials; i++ { |
| args := argStorage[:rand.Intn(maxArgsPerTrial)+2] |
| args[0] = "valid-filename-for-arg0" |
| for j := 1; j < len(args); j++ { |
| arg := randString(rand.Intn(maxCharsPerArg + 1)) |
| mungeString(arg, '"', doubleQuoteProb) |
| mungeString(arg, '\'', singleQuoteProb) |
| mungeString(arg, '\\', backSlashProb) |
| mungeString(arg, ' ', spaceProb) |
| args[j] = string(arg) |
| } |
| commandLine := windows.ComposeCommandLine(args) |
| decomposedArgs, err := windows.DecomposeCommandLine(commandLine) |
| if err != nil { |
| t.Errorf("Unable to decompose %#q made from %v: %v", commandLine, args, err) |
| continue |
| } |
| if len(decomposedArgs) != len(args) { |
| t.Errorf("Incorrect decomposition length from %v to %#q to %v", args, commandLine, decomposedArgs) |
| continue |
| } |
| badMatches := make([]int, 0, len(args)) |
| for i := range args { |
| if args[i] != decomposedArgs[i] { |
| badMatches = append(badMatches, i) |
| } |
| } |
| if len(badMatches) != 0 { |
| t.Errorf("Incorrect decomposition at indices %v from %v to %#q to %v", badMatches, args, commandLine, decomposedArgs) |
| continue |
| } |
| } |
| } |
