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Delta Between Two Patch Sets: src/pkg/os/os_test.go

Issue 1103041: code review 1103041: os: add Utime function (Closed)
Left Patch Set: code review 1103041: os: add Utime function Created 13 years, 11 months ago
Right Patch Set: code review 1103041: os: add Utime function Created 13 years, 11 months ago
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LEFTRIGHT
1 // Copyright 2009 The Go Authors. All rights reserved. 1 // Copyright 2009 The Go Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style 2 // Use of this source code is governed by a BSD-style
3 // license that can be found in the LICENSE file. 3 // license that can be found in the LICENSE file.
4 4
5 package os_test 5 package os_test
6 6
7 import ( 7 import (
8 "bytes" 8 "bytes"
9 "fmt" 9 "fmt"
10 "io" 10 "io"
(...skipping 465 matching lines...) Expand 10 before | Expand all | Expand 10 after
476 fd.Truncate(1024) 476 fd.Truncate(1024)
477 checkSize(t, Path, 1024) 477 checkSize(t, Path, 1024)
478 fd.Truncate(0) 478 fd.Truncate(0)
479 checkSize(t, Path, 0) 479 checkSize(t, Path, 0)
480 fd.Write([]byte("surprise!")) 480 fd.Write([]byte("surprise!"))
481 checkSize(t, Path, 13+9) // wrote at offset past where hello, world was. 481 checkSize(t, Path, 13+9) // wrote at offset past where hello, world was.
482 fd.Close() 482 fd.Close()
483 Remove(Path) 483 Remove(Path)
484 } 484 }
485 485
486 func TestUtime(t *testing.T) { 486 func TestChtimes(t *testing.T) {
487 MkdirAll("_obj", 0777) 487 MkdirAll("_obj", 0777)
488 » const Path = "_obj/_TestUtime_" 488 » const Path = "_obj/_TestChtimes_"
489 fd, err := Open(Path, O_WRONLY|O_CREAT, 0666) 489 fd, err := Open(Path, O_WRONLY|O_CREAT, 0666)
490 if err != nil { 490 if err != nil {
491 t.Fatalf("create %s: %s", Path, err) 491 t.Fatalf("create %s: %s", Path, err)
492 } 492 }
493 fd.Write([]byte("hello, world\n")) 493 fd.Write([]byte("hello, world\n"))
494 fd.Close() 494 fd.Close()
495 495
496 preStat, err := Stat(Path) 496 preStat, err := Stat(Path)
497 if err != nil { 497 if err != nil {
498 » » t.Fatalf("stat %s: %s", Path, err) 498 » » t.Fatalf("Stat %s: %s", Path, err)
499 } 499 }
500 500
501 // Move access and modification time back a second 501 // Move access and modification time back a second
502 » const OneSecond = 1e9 // in nanoseconds 502 » const OneSecond = 1e9 // in nanoseconds
503 » err = Utime(Path, preStat.Atime_ns-OneSecond, preStat.Mtime_ns-OneSecond ) 503 » err = Chtimes(Path, preStat.Atime_ns-OneSecond, preStat.Mtime_ns-OneSeco nd)
504 » if err != nil { 504 » if err != nil {
505 » » t.Fatalf("utime %s: %s", Path, err) 505 » » t.Fatalf("Chtimes %s: %s", Path, err)
506 } 506 }
507 507
508 postStat, err := Stat(Path) 508 postStat, err := Stat(Path)
509 if err != nil { 509 if err != nil {
510 » » t.Fatalf("second stat %s: %s", Path, err) 510 » » t.Fatalf("second Stat %s: %s", Path, err)
511 } 511 }
512 512
513 if postStat.Atime_ns >= preStat.Atime_ns { 513 if postStat.Atime_ns >= preStat.Atime_ns {
514 t.Errorf("Atime_ns didn't go backwards; was=%d, after=%d", 514 t.Errorf("Atime_ns didn't go backwards; was=%d, after=%d",
515 preStat.Atime_ns, 515 preStat.Atime_ns,
516 postStat.Atime_ns) 516 postStat.Atime_ns)
517 } 517 }
518 518
519 if postStat.Mtime_ns >= preStat.Mtime_ns { 519 if postStat.Mtime_ns >= preStat.Mtime_ns {
520 t.Errorf("Mtime_ns didn't go backwards; was=%d, after=%d", 520 t.Errorf("Mtime_ns didn't go backwards; was=%d, after=%d",
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737 } 737 }
738 738
739 b, err := ioutil.ReadFile("_obj/writetest") 739 b, err := ioutil.ReadFile("_obj/writetest")
740 if err != nil { 740 if err != nil {
741 t.Fatalf("ReadFile _obj/writetest: %v", err) 741 t.Fatalf("ReadFile _obj/writetest: %v", err)
742 } 742 }
743 if string(b) != "hello, WORLD\n" { 743 if string(b) != "hello, WORLD\n" {
744 t.Fatalf("after write: have %q want %q", string(b), "hello, WORL D\n") 744 t.Fatalf("after write: have %q want %q", string(b), "hello, WORL D\n")
745 } 745 }
746 } 746 }
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