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all: use strings.Builder where appropriate
Change-Id: I164d350ca480640996055dedf38d962921c474a6 Reviewed-on: https://go-review.googlesource.com/c/go/+/435975 Run-TryBot: Ian Lance Taylor <iant@google.com> Auto-Submit: Ian Lance Taylor <iant@google.com> Reviewed-by: Ian Lance Taylor <iant@google.com> Reviewed-by: Dmitri Shuralyov <dmitshur@google.com> Run-TryBot: hopehook <hopehook@golangcn.org> TryBot-Result: Gopher Robot <gobot@golang.org>
This commit is contained in:
parent
b78b84cd23
commit
972496ae6e
3 changed files with 13 additions and 14 deletions
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@ -192,7 +192,7 @@ var lineBreakerTests = []lineBreakerTest{
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func TestLineBreaker(t *testing.T) {
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for i, test := range lineBreakerTests {
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buf := new(bytes.Buffer)
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buf := new(strings.Builder)
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var breaker lineBreaker
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breaker.out = buf
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_, err := breaker.Write([]byte(test.in))
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@ -206,13 +206,13 @@ func TestLineBreaker(t *testing.T) {
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continue
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}
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if string(buf.Bytes()) != test.out {
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t.Errorf("#%d: got:%s want:%s", i, string(buf.Bytes()), test.out)
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if got := buf.String(); got != test.out {
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t.Errorf("#%d: got:%s want:%s", i, got, test.out)
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}
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}
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for i, test := range lineBreakerTests {
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buf := new(bytes.Buffer)
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buf := new(strings.Builder)
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var breaker lineBreaker
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breaker.out = buf
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@ -229,8 +229,8 @@ func TestLineBreaker(t *testing.T) {
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continue
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}
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if string(buf.Bytes()) != test.out {
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t.Errorf("#%d: (byte by byte) got:%s want:%s", i, string(buf.Bytes()), test.out)
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if got := buf.String(); got != test.out {
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t.Errorf("#%d: (byte by byte) got:%s want:%s", i, got, test.out)
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}
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}
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}
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@ -5,11 +5,11 @@
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package signal
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import (
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"bytes"
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"internal/testenv"
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"os"
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"os/exec"
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"path/filepath"
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"strings"
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"syscall"
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"testing"
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"time"
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@ -78,9 +78,9 @@ func main() {
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// run it
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cmd := exec.Command(exe)
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var b bytes.Buffer
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cmd.Stdout = &b
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cmd.Stderr = &b
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var buf strings.Builder
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cmd.Stdout = &buf
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cmd.Stderr = &buf
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cmd.SysProcAttr = &syscall.SysProcAttr{
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CreationFlags: syscall.CREATE_NEW_PROCESS_GROUP,
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}
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@ -94,6 +94,6 @@ func main() {
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}()
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err = cmd.Wait()
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if err != nil {
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t.Fatalf("Program exited with error: %v\n%v", err, string(b.Bytes()))
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t.Fatalf("Program exited with error: %v\n%v", err, buf.String())
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}
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}
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@ -5,7 +5,6 @@
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package runtime_test
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import (
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"bytes"
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"fmt"
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"internal/abi"
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"internal/syscall/windows/sysdll"
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@ -1044,7 +1043,7 @@ func TestNumCPU(t *testing.T) {
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cmd := exec.Command(os.Args[0], "-test.run=TestNumCPU")
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cmd.Env = append(os.Environ(), "GO_WANT_HELPER_PROCESS=1")
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var buf bytes.Buffer
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var buf strings.Builder
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cmd.Stdout = &buf
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cmd.Stderr = &buf
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cmd.SysProcAttr = &syscall.SysProcAttr{CreationFlags: _CREATE_SUSPENDED}
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@ -1054,7 +1053,7 @@ func TestNumCPU(t *testing.T) {
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}
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defer func() {
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err = cmd.Wait()
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childOutput := string(buf.Bytes())
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childOutput := buf.String()
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if err != nil {
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t.Fatalf("child failed: %v: %v", err, childOutput)
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}
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