func TestWriterBig(t *testing.T) {
for i, fn := range filenames {
testFileLevelDict(t, fn, DefaultCompression, "")
testFileLevelDict(t, fn, NoCompression, "")
for level := BestSpeed; level <= BestCompression; level++ {
testFileLevelDict(t, fn, level, "")
if level >= 1 && testing.Short() && testenv.Builder() == "" {
break
}
}
if i == 0 && testing.Short() && testenv.Builder() == "" {
break
}
}
}
// Per golang.org/issue/14937, check that every .gz file
// in the tree has a zero mtime.
func TestGZIPFilesHaveZeroMTimes(t *testing.T) {
if testing.Short() && testenv.Builder() == "" {
t.Skip("skipping in short mode")
}
var files []string
err := filepath.Walk(runtime.GOROOT(), func(path string, info os.FileInfo, err error) error {
if err != nil {
return err
}
if !info.IsDir() && strings.HasSuffix(path, ".gz") {
files = append(files, path)
}
return nil
})
if err != nil {
if os.IsNotExist(err) {
t.Skipf("skipping: GOROOT directory not found: %s", runtime.GOROOT())
}
t.Fatal("error collecting list of .gz files in GOROOT: ", err)
}
if len(files) == 0 {
t.Fatal("expected to find some .gz files under GOROOT")
}
for _, path := range files {
checkZeroMTime(t, path)
}
}
func TestWriterDict(t *testing.T) {
const dictionary = "0123456789."
for i, fn := range filenames {
testFileLevelDict(t, fn, DefaultCompression, dictionary)
testFileLevelDict(t, fn, NoCompression, dictionary)
for level := BestSpeed; level <= BestCompression; level++ {
testFileLevelDict(t, fn, level, dictionary)
if level >= 1 && testing.Short() && testenv.Builder() == "" {
break
}
}
if i == 0 && testing.Short() && testenv.Builder() == "" {
break
}
}
}
func TestLookupGmailNS(t *testing.T) {
if testenv.Builder() == "" {
testenv.MustHaveExternalNetwork(t)
}
if !supportsIPv4 || !*testIPv4 {
t.Skip("IPv4 is required")
}
for _, tt := range lookupGmailNSTests {
nss, err := LookupNS(tt.name)
if err != nil {
testenv.SkipFlakyNet(t)
t.Fatal(err)
}
if len(nss) == 0 {
t.Error("got no record")
}
for _, ns := range nss {
if !strings.HasSuffix(ns.Host, tt.host) {
t.Errorf("got %v; want a record containing %s", ns, tt.host)
}
}
}
}
func TestLookupGoogleSRV(t *testing.T) {
if testenv.Builder() == "" {
testenv.MustHaveExternalNetwork(t)
}
if !supportsIPv4 || !*testIPv4 {
t.Skip("IPv4 is required")
}
for _, tt := range lookupGoogleSRVTests {
cname, srvs, err := LookupSRV(tt.service, tt.proto, tt.name)
if err != nil {
testenv.SkipFlakyNet(t)
t.Fatal(err)
}
if len(srvs) == 0 {
t.Error("got no record")
}
if !strings.HasSuffix(cname, tt.cname) {
t.Errorf("got %s; want %s", cname, tt.cname)
}
for _, srv := range srvs {
if !strings.HasSuffix(srv.Target, tt.target) {
t.Errorf("got %v; want a record containing %s", srv, tt.target)
}
}
}
}
func TestOver65kFiles(t *testing.T) {
if testing.Short() && testenv.Builder() == "" {
t.Skip("skipping in short mode")
}
buf := new(bytes.Buffer)
w := NewWriter(buf)
const nFiles = (1 << 16) + 42
for i := 0; i < nFiles; i++ {
_, err := w.CreateHeader(&FileHeader{
Name: fmt.Sprintf("%d.dat", i),
Method: Store, // avoid Issue 6136 and Issue 6138
})
if err != nil {
t.Fatalf("creating file %d: %v", i, err)
}
}
if err := w.Close(); err != nil {
t.Fatalf("Writer.Close: %v", err)
}
s := buf.String()
zr, err := NewReader(strings.NewReader(s), int64(len(s)))
if err != nil {
t.Fatalf("NewReader: %v", err)
}
if got := len(zr.File); got != nFiles {
t.Fatalf("File contains %d files, want %d", got, nFiles)
}
for i := 0; i < nFiles; i++ {
want := fmt.Sprintf("%d.dat", i)
if zr.File[i].Name != want {
t.Fatalf("File(%d) = %q, want %q", i, zr.File[i].Name, want)
}
}
}
func bench(b *testing.B, size int, algo func(Interface), name string) {
if stringspkg.HasSuffix(testenv.Builder(), "-race") && size > 1e4 {
b.Skip("skipping slow benchmark on race builder")
}
b.StopTimer()
data := make(intPairs, size)
x := ^uint32(0)
for i := 0; i < b.N; i++ {
for n := size - 3; n <= size+3; n++ {
for i := 0; i < len(data); i++ {
x += x
x ^= 1
if int32(x) < 0 {
x ^= 0x88888eef
}
data[i].a = int(x % uint32(n/5))
}
data.initB()
b.StartTimer()
algo(data)
b.StopTimer()
if !IsSorted(data) {
b.Errorf("%s did not sort %d ints", name, n)
}
if name == "Stable" && !data.inOrder() {
b.Errorf("%s unstable on %d ints", name, n)
}
}
}
}
func TestDialerDualStack(t *testing.T) {
// This test is known to be flaky. Don't frighten regular
// users about it; only fail on the build dashboard.
if testenv.Builder() == "" {
testenv.SkipFlaky(t, 13324)
}
if !supportsIPv4 || !supportsIPv6 {
t.Skip("both IPv4 and IPv6 are required")
}
closedPortDelay, expectClosedPortDelay := dialClosedPort()
if closedPortDelay > expectClosedPortDelay {
t.Errorf("got %v; want <= %v", closedPortDelay, expectClosedPortDelay)
}
origTestHookLookupIP := testHookLookupIP
defer func() { testHookLookupIP = origTestHookLookupIP }()
testHookLookupIP = lookupLocalhost
handler := func(dss *dualStackServer, ln Listener) {
for {
c, err := ln.Accept()
if err != nil {
return
}
c.Close()
}
}
var timeout = 150*time.Millisecond + closedPortDelay
for _, dualstack := range []bool{false, true} {
dss, err := newDualStackServer()
if err != nil {
t.Fatal(err)
}
defer dss.teardown()
if err := dss.buildup(handler); err != nil {
t.Fatal(err)
}
d := &Dialer{DualStack: dualstack, Timeout: timeout}
for range dss.lns {
c, err := d.Dial("tcp", JoinHostPort("localhost", dss.port))
if err != nil {
t.Error(err)
continue
}
switch addr := c.LocalAddr().(*TCPAddr); {
case addr.IP.To4() != nil:
dss.teardownNetwork("tcp4")
case addr.IP.To16() != nil && addr.IP.To4() == nil:
dss.teardownNetwork("tcp6")
}
c.Close()
}
}
}
func TestStdFixed(t *testing.T) {
testenv.MustHaveGoBuild(t)
if testing.Short() && testenv.Builder() == "" {
t.Skip("skipping in short mode")
}
testTestDir(t, filepath.Join(runtime.GOROOT(), "test", "fixedbugs"),
"bug248.go", "bug302.go", "bug369.go", // complex test instructions - ignore
"issue6889.go", // gc-specific test
"issue7746.go", // large constants - consumes too much memory
"issue11362.go", // canonical import path check
)
}
func TestDeflateInflateString(t *testing.T) {
if testing.Short() && testenv.Builder() == "" {
t.Skip("skipping in short mode")
}
for _, test := range deflateInflateStringTests {
gold, err := ioutil.ReadFile(test.filename)
if err != nil {
t.Error(err)
}
testToFromWithLimit(t, gold, test.label, test.limit)
if testing.Short() {
break
}
}
}
func TestStdFixed(t *testing.T) {
testenv.MustHaveGoBuild(t)
if testing.Short() && testenv.Builder() == "" {
t.Skip("skipping in short mode")
}
testTestDir(t, filepath.Join(runtime.GOROOT(), "test", "fixedbugs"),
"bug248.go", "bug302.go", "bug369.go", // complex test instructions - ignore
"issue6889.go", // gc-specific test
"issue7746.go", // large constants - consumes too much memory
"issue11362.go", // canonical import path check
"issue15002.go", // uses Mmap; testTestDir should consult build tags
"issue16369.go", // go/types handles this correctly - not an issue
)
}
func TestWriter(t *testing.T) {
for _, filename := range filenames {
for _, order := range [...]Order{LSB, MSB} {
// The test data "2.71828 etcetera" is ASCII text requiring at least 6 bits.
for litWidth := 6; litWidth <= 8; litWidth++ {
if filename == "../testdata/gettysburg.txt" && litWidth == 6 {
continue
}
testFile(t, filename, order, litWidth)
}
}
if testing.Short() && testenv.Builder() == "" {
break
}
}
}
func TestImportStdLib(t *testing.T) {
skipSpecialPlatforms(t)
// This package only handles gc export data.
if runtime.Compiler != "gc" {
t.Skipf("gc-built packages not available (compiler = %s)", runtime.Compiler)
return
}
dt := maxTime
if testing.Short() && testenv.Builder() == "" {
dt = 10 * time.Millisecond
}
nimports := testDir(t, "", time.Now().Add(dt)) // installed packages
t.Logf("tested %d imports", nimports)
}
func TestLookupDotsWithRemoteSource(t *testing.T) {
if testing.Short() && testenv.Builder() == "" || !*testExternal {
t.Skip("avoid external network")
}
if !supportsIPv4 || !*testIPv4 {
t.Skip("IPv4 is required")
}
if fixup := forceGoDNS(); fixup != nil {
testDots(t, "go")
fixup()
}
if fixup := forceCgoDNS(); fixup != nil {
testDots(t, "cgo")
fixup()
}
}
func TestLookupIANACNAME(t *testing.T) {
if testing.Short() && testenv.Builder() == "" || !*testExternal {
t.Skip("avoid external network")
}
if !supportsIPv4 || !*testIPv4 {
t.Skip("IPv4 is required")
}
for _, tt := range lookupIANACNAMETests {
cname, err := LookupCNAME(tt.name)
if err != nil {
t.Fatal(err)
}
if !strings.HasSuffix(cname, tt.cname) {
t.Errorf("got %s; want a record containing %s", cname, tt.cname)
}
}
}
func TestStdTest(t *testing.T) {
testenv.MustHaveGoBuild(t)
if testing.Short() && testenv.Builder() == "" {
t.Skip("skipping in short mode")
}
// test/recover4.go is only built for Linux and Darwin.
// TODO(gri) Remove once tests consider +build tags (issue 10370).
if runtime.GOOS != "linux" && runtime.GOOS != "darwin" {
return
}
testTestDir(t, filepath.Join(runtime.GOROOT(), "test"),
"cmplxdivide.go", // also needs file cmplxdivide1.go - ignore
"sigchld.go", // don't work on Windows; testTestDir should consult build tags
)
}
func TestLookupDotsWithRemoteSource(t *testing.T) {
if testenv.Builder() == "" {
testenv.MustHaveExternalNetwork(t)
}
if !supportsIPv4 || !*testIPv4 {
t.Skip("IPv4 is required")
}
if fixup := forceGoDNS(); fixup != nil {
testDots(t, "go")
fixup()
}
if fixup := forceCgoDNS(); fixup != nil {
testDots(t, "cgo")
fixup()
}
}
func TestFloat32(t *testing.T) {
// For issue 6721, the problem came after 7533753 calls, so check 10e6.
num := int(10e6)
// But do the full amount only on builders (not locally).
// But ARM5 floating point emulation is slow (Issue 10749), so
// do less for that builder:
if testing.Short() && (testenv.Builder() == "" || hasSlowFloatingPoint()) {
num /= 100 // 1.72 seconds instead of 172 seconds
}
r := New(NewSource(1))
for ct := 0; ct < num; ct++ {
f := r.Float32()
if f >= 1 {
t.Fatal("Float32() should be in range [0,1). ct:", ct, "f:", f)
}
}
}
func TestLookupDotsWithLocalSource(t *testing.T) {
if !supportsIPv4 || !*testIPv4 {
t.Skip("IPv4 is required")
}
if testenv.Builder() == "" {
testenv.MustHaveExternalNetwork(t)
}
for i, fn := range []func() func(){forceGoDNS, forceCgoDNS} {
fixup := fn()
if fixup == nil {
continue
}
names, err := LookupAddr("127.0.0.1")
fixup()
if err != nil {
t.Logf("#%d: %v", i, err)
continue
}
mode := "netgo"
if i == 1 {
mode = "netcgo"
}
loop:
for i, name := range names {
if strings.Index(name, ".") == len(name)-1 { // "localhost" not "localhost."
for j := range names {
if j == i {
continue
}
if names[j] == name[:len(name)-1] {
// It's OK if we find the name without the dot,
// as some systems say 127.0.0.1 localhost localhost.
continue loop
}
}
t.Errorf("%s: got %s; want %s", mode, name, name[:len(name)-1])
} else if strings.Contains(name, ".") && !strings.HasSuffix(name, ".") { // "localhost.localdomain." not "localhost.localdomain"
t.Errorf("%s: got %s; want name ending with trailing dot", mode, name)
}
}
}
}
func TestLookupGooglePublicDNSAddr(t *testing.T) {
if testing.Short() && testenv.Builder() == "" || !*testExternal {
t.Skip("avoid external network")
}
if !supportsIPv4 || !supportsIPv6 || !*testIPv4 || !*testIPv6 {
t.Skip("both IPv4 and IPv6 are required")
}
for _, tt := range lookupGooglePublicDNSAddrTests {
names, err := LookupAddr(tt.addr)
if err != nil {
t.Fatal(err)
}
if len(names) == 0 {
t.Error("got no record")
}
for _, name := range names {
if !strings.HasSuffix(name, tt.name) {
t.Errorf("got %s; want a record containing %s", name, tt.name)
}
}
}
}
func TestLookupGoogleIP(t *testing.T) {
if testing.Short() && testenv.Builder() == "" || !*testExternal {
t.Skip("avoid external network")
}
if !supportsIPv4 || !*testIPv4 {
t.Skip("IPv4 is required")
}
for _, tt := range lookupGoogleIPTests {
ips, err := LookupIP(tt.name)
if err != nil {
t.Fatal(err)
}
if len(ips) == 0 {
t.Error("got no record")
}
for _, ip := range ips {
if ip.To4() == nil && ip.To16() == nil {
t.Errorf("got %v; want an IP address", ip)
}
}
}
}
func TestLookupGoogleHost(t *testing.T) {
if testing.Short() && testenv.Builder() == "" || !*testExternal {
t.Skip("avoid external network")
}
if !supportsIPv4 || !*testIPv4 {
t.Skip("IPv4 is required")
}
for _, tt := range lookupGoogleHostTests {
addrs, err := LookupHost(tt.name)
if err != nil {
t.Fatal(err)
}
if len(addrs) == 0 {
t.Error("got no record")
}
for _, addr := range addrs {
if ParseIP(addr) == nil {
t.Errorf("got %q; want a literal IP address", addr)
}
}
}
}
func TestLookupGmailMX(t *testing.T) {
if testing.Short() && testenv.Builder() == "" || !*testExternal {
t.Skip("avoid external network")
}
if !supportsIPv4 || !*testIPv4 {
t.Skip("IPv4 is required")
}
for _, tt := range lookupGmailMXTests {
mxs, err := LookupMX(tt.name)
if err != nil {
t.Fatal(err)
}
if len(mxs) == 0 {
t.Error("got no record")
}
for _, mx := range mxs {
if !strings.HasSuffix(mx.Host, tt.host) {
t.Errorf("got %v; want a record containing %s", mx, tt.host)
}
}
}
}
func TestLookupGmailTXT(t *testing.T) {
if testing.Short() && testenv.Builder() == "" || !*testExternal {
t.Skip("avoid external network")
}
if !supportsIPv4 || !*testIPv4 {
t.Skip("IPv4 is required")
}
for _, tt := range lookupGmailTXTTests {
txts, err := LookupTXT(tt.name)
if err != nil {
t.Fatal(err)
}
if len(txts) == 0 {
t.Error("got no record")
}
for _, txt := range txts {
if !strings.Contains(txt, tt.txt) || (!strings.HasSuffix(txt, tt.host) && !strings.HasSuffix(txt, tt.host+".")) {
t.Errorf("got %s; want a record containing %s, %s", txt, tt.txt, tt.host)
}
}
}
}
// wantLoadLibraryEx reports whether we expect LoadLibraryEx to work for tests.
func wantLoadLibraryEx() bool {
return testenv.Builder() == "windows-amd64-gce" || testenv.Builder() == "windows-386-gce"
}
// Copyright 2009 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 big
import (
"fmt"
"internal/testenv"
"math/rand"
"strings"
"testing"
)
var isRaceBuilder = strings.HasSuffix(testenv.Builder(), "-race")
type funWW func(x, y, c Word) (z1, z0 Word)
type argWW struct {
x, y, c, z1, z0 Word
}
var sumWW = []argWW{
{0, 0, 0, 0, 0},
{0, 1, 0, 0, 1},
{0, 0, 1, 0, 1},
{0, 1, 1, 0, 2},
{12345, 67890, 0, 0, 80235},
{12345, 67890, 1, 0, 80236},
{_M, 1, 0, 1, 0},
{_M, 0, 1, 1, 0},
{_M, 1, 1, 1, 1},
func TestDialCancel(t *testing.T) {
if runtime.GOOS == "plan9" || runtime.GOOS == "nacl" {
// plan9 is not implemented and nacl doesn't have
// external network access.
t.Skipf("skipping on %s", runtime.GOOS)
}
onGoBuildFarm := testenv.Builder() != ""
if testing.Short() && !onGoBuildFarm {
t.Skip("skipping in short mode")
}
blackholeIPPort := JoinHostPort(slowDst4, "1234")
if !supportsIPv4 {
blackholeIPPort = JoinHostPort(slowDst6, "1234")
}
ticker := time.NewTicker(10 * time.Millisecond)
defer ticker.Stop()
const cancelTick = 5 // the timer tick we cancel the dial at
const timeoutTick = 100
var d Dialer
cancel := make(chan struct{})
d.Cancel = cancel
errc := make(chan error, 1)
connc := make(chan Conn, 1)
go func() {
if c, err := d.Dial("tcp", blackholeIPPort); err != nil {
errc <- err
} else {
connc <- c
}
}()
ticks := 0
for {
select {
case <-ticker.C:
ticks++
if ticks == cancelTick {
close(cancel)
}
if ticks == timeoutTick {
t.Fatal("timeout waiting for dial to fail")
}
case c := <-connc:
c.Close()
t.Fatal("unexpected successful connection")
case err := <-errc:
if perr := parseDialError(err); perr != nil {
t.Error(perr)
}
if ticks < cancelTick {
t.Fatalf("dial error after %d ticks (%d before cancel sent): %v",
ticks, cancelTick-ticks, err)
}
if oe, ok := err.(*OpError); !ok || oe.Err != errCanceled {
t.Fatalf("dial error = %v (%T); want OpError with Err == errCanceled", err, err)
}
return // success.
}
}
}
func TestDialCancel(t *testing.T) {
switch testenv.Builder() {
case "linux-arm64-buildlet":
t.Skip("skipping on linux-arm64-buildlet; incompatible network config? issue 15191")
case "":
testenv.MustHaveExternalNetwork(t)
}
if runtime.GOOS == "nacl" {
// nacl doesn't have external network access.
t.Skipf("skipping on %s", runtime.GOOS)
}
blackholeIPPort := JoinHostPort(slowDst4, "1234")
if !supportsIPv4 {
blackholeIPPort = JoinHostPort(slowDst6, "1234")
}
ticker := time.NewTicker(10 * time.Millisecond)
defer ticker.Stop()
const cancelTick = 5 // the timer tick we cancel the dial at
const timeoutTick = 100
var d Dialer
cancel := make(chan struct{})
d.Cancel = cancel
errc := make(chan error, 1)
connc := make(chan Conn, 1)
go func() {
if c, err := d.Dial("tcp", blackholeIPPort); err != nil {
errc <- err
} else {
connc <- c
}
}()
ticks := 0
for {
select {
case <-ticker.C:
ticks++
if ticks == cancelTick {
close(cancel)
}
if ticks == timeoutTick {
t.Fatal("timeout waiting for dial to fail")
}
case c := <-connc:
c.Close()
t.Fatal("unexpected successful connection")
case err := <-errc:
if perr := parseDialError(err); perr != nil {
t.Error(perr)
}
if ticks < cancelTick {
t.Fatalf("dial error after %d ticks (%d before cancel sent): %v",
ticks, cancelTick-ticks, err)
}
if oe, ok := err.(*OpError); !ok || oe.Err != errCanceled {
t.Fatalf("dial error = %v (%T); want OpError with Err == errCanceled", err, err)
}
return // success.
}
}
}