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Diffstat (limited to 'src/pkg/strings/reader_test.go')
-rw-r--r--src/pkg/strings/reader_test.go159
1 files changed, 0 insertions, 159 deletions
diff --git a/src/pkg/strings/reader_test.go b/src/pkg/strings/reader_test.go
deleted file mode 100644
index bee90eb25..000000000
--- a/src/pkg/strings/reader_test.go
+++ /dev/null
@@ -1,159 +0,0 @@
-// 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 strings_test
-
-import (
- "bytes"
- "fmt"
- "io"
- "os"
- "strings"
- "sync"
- "testing"
-)
-
-func TestReader(t *testing.T) {
- r := strings.NewReader("0123456789")
- tests := []struct {
- off int64
- seek int
- n int
- want string
- wantpos int64
- seekerr string
- }{
- {seek: os.SEEK_SET, off: 0, n: 20, want: "0123456789"},
- {seek: os.SEEK_SET, off: 1, n: 1, want: "1"},
- {seek: os.SEEK_CUR, off: 1, wantpos: 3, n: 2, want: "34"},
- {seek: os.SEEK_SET, off: -1, seekerr: "strings.Reader.Seek: negative position"},
- {seek: os.SEEK_SET, off: 1 << 33, wantpos: 1 << 33},
- {seek: os.SEEK_CUR, off: 1, wantpos: 1<<33 + 1},
- {seek: os.SEEK_SET, n: 5, want: "01234"},
- {seek: os.SEEK_CUR, n: 5, want: "56789"},
- {seek: os.SEEK_END, off: -1, n: 1, wantpos: 9, want: "9"},
- }
-
- for i, tt := range tests {
- pos, err := r.Seek(tt.off, tt.seek)
- if err == nil && tt.seekerr != "" {
- t.Errorf("%d. want seek error %q", i, tt.seekerr)
- continue
- }
- if err != nil && err.Error() != tt.seekerr {
- t.Errorf("%d. seek error = %q; want %q", i, err.Error(), tt.seekerr)
- continue
- }
- if tt.wantpos != 0 && tt.wantpos != pos {
- t.Errorf("%d. pos = %d, want %d", i, pos, tt.wantpos)
- }
- buf := make([]byte, tt.n)
- n, err := r.Read(buf)
- if err != nil {
- t.Errorf("%d. read = %v", i, err)
- continue
- }
- got := string(buf[:n])
- if got != tt.want {
- t.Errorf("%d. got %q; want %q", i, got, tt.want)
- }
- }
-}
-
-func TestReadAfterBigSeek(t *testing.T) {
- r := strings.NewReader("0123456789")
- if _, err := r.Seek(1<<31+5, os.SEEK_SET); err != nil {
- t.Fatal(err)
- }
- if n, err := r.Read(make([]byte, 10)); n != 0 || err != io.EOF {
- t.Errorf("Read = %d, %v; want 0, EOF", n, err)
- }
-}
-
-func TestReaderAt(t *testing.T) {
- r := strings.NewReader("0123456789")
- tests := []struct {
- off int64
- n int
- want string
- wanterr interface{}
- }{
- {0, 10, "0123456789", nil},
- {1, 10, "123456789", io.EOF},
- {1, 9, "123456789", nil},
- {11, 10, "", io.EOF},
- {0, 0, "", nil},
- {-1, 0, "", "strings.Reader.ReadAt: negative offset"},
- }
- for i, tt := range tests {
- b := make([]byte, tt.n)
- rn, err := r.ReadAt(b, tt.off)
- got := string(b[:rn])
- if got != tt.want {
- t.Errorf("%d. got %q; want %q", i, got, tt.want)
- }
- if fmt.Sprintf("%v", err) != fmt.Sprintf("%v", tt.wanterr) {
- t.Errorf("%d. got error = %v; want %v", i, err, tt.wanterr)
- }
- }
-}
-
-func TestReaderAtConcurrent(t *testing.T) {
- // Test for the race detector, to verify ReadAt doesn't mutate
- // any state.
- r := strings.NewReader("0123456789")
- var wg sync.WaitGroup
- for i := 0; i < 5; i++ {
- wg.Add(1)
- go func(i int) {
- defer wg.Done()
- var buf [1]byte
- r.ReadAt(buf[:], int64(i))
- }(i)
- }
- wg.Wait()
-}
-
-func TestEmptyReaderConcurrent(t *testing.T) {
- // Test for the race detector, to verify a Read that doesn't yield any bytes
- // is okay to use from multiple goroutines. This was our historic behavior.
- // See golang.org/issue/7856
- r := strings.NewReader("")
- var wg sync.WaitGroup
- for i := 0; i < 5; i++ {
- wg.Add(2)
- go func() {
- defer wg.Done()
- var buf [1]byte
- r.Read(buf[:])
- }()
- go func() {
- defer wg.Done()
- r.Read(nil)
- }()
- }
- wg.Wait()
-}
-
-func TestWriteTo(t *testing.T) {
- const str = "0123456789"
- for i := 0; i <= len(str); i++ {
- s := str[i:]
- r := strings.NewReader(s)
- var b bytes.Buffer
- n, err := r.WriteTo(&b)
- if expect := int64(len(s)); n != expect {
- t.Errorf("got %v; want %v", n, expect)
- }
- if err != nil {
- t.Errorf("for length %d: got error = %v; want nil", len(s), err)
- }
- if b.String() != s {
- t.Errorf("got string %q; want %q", b.String(), s)
- }
- if r.Len() != 0 {
- t.Errorf("reader contains %v bytes; want 0", r.Len())
- }
- }
-}