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package system // import "github.com/docker/docker/pkg/system"
import (
"os"
"syscall"
"runtime"
"strings"
"testing"
"time"
)
// TestChtimesLinux tests Chtimes access time on a tempfile on Linux
func TestChtimesLinux(t *testing.T) {
file, dir := prepareTempFile(t)
defer os.RemoveAll(dir)
beforeUnixEpochTime := time.Unix(0, 0).Add(-100 * time.Second)
unixEpochTime := time.Unix(0, 0)
afterUnixEpochTime := time.Unix(100, 0)
unixMaxTime := maxTime
// Test both aTime and mTime set to Unix Epoch
Chtimes(file, unixEpochTime, unixEpochTime)
f, err := os.Stat(file)
if err != nil {
t.Fatal(err)
}
stat := f.Sys().(*syscall.Stat_t)
aTime := time.Unix(int64(stat.Atim.Sec), int64(stat.Atim.Nsec)) //nolint: unconvert
if aTime != unixEpochTime {
t.Fatalf("Expected: %s, got: %s", unixEpochTime, aTime)
}
// Test aTime before Unix Epoch and mTime set to Unix Epoch
Chtimes(file, beforeUnixEpochTime, unixEpochTime)
f, err = os.Stat(file)
if err != nil {
t.Fatal(err)
}
stat = f.Sys().(*syscall.Stat_t)
aTime = time.Unix(int64(stat.Atim.Sec), int64(stat.Atim.Nsec)) //nolint: unconvert
if aTime != unixEpochTime {
t.Fatalf("Expected: %s, got: %s", unixEpochTime, aTime)
}
// Test aTime set to Unix Epoch and mTime before Unix Epoch
Chtimes(file, unixEpochTime, beforeUnixEpochTime)
f, err = os.Stat(file)
if err != nil {
t.Fatal(err)
}
stat = f.Sys().(*syscall.Stat_t)
aTime = time.Unix(int64(stat.Atim.Sec), int64(stat.Atim.Nsec)) //nolint: unconvert
if aTime != unixEpochTime {
t.Fatalf("Expected: %s, got: %s", unixEpochTime, aTime)
}
// Test both aTime and mTime set to after Unix Epoch (valid time)
Chtimes(file, afterUnixEpochTime, afterUnixEpochTime)
f, err = os.Stat(file)
if err != nil {
t.Fatal(err)
}
stat = f.Sys().(*syscall.Stat_t)
aTime = time.Unix(int64(stat.Atim.Sec), int64(stat.Atim.Nsec)) //nolint: unconvert
if aTime != afterUnixEpochTime {
t.Fatalf("Expected: %s, got: %s", afterUnixEpochTime, aTime)
}
// Test both aTime and mTime set to Unix max time
// Doesn't work on mips64, as stat struct has 32-bits types
if strings.HasPrefix(runtime.GOARCH, "mips64") {
return
}
Chtimes(file, unixMaxTime, unixMaxTime)
f, err = os.Stat(file)
if err != nil {
t.Fatal(err)
}
stat = f.Sys().(*syscall.Stat_t)
aTime = time.Unix(int64(stat.Atim.Sec), int64(stat.Atim.Nsec)) //nolint: unconvert
if aTime.Truncate(time.Second) != unixMaxTime.Truncate(time.Second) {
t.Fatalf("Expected: %s, got: %s", unixMaxTime.Truncate(time.Second), aTime.Truncate(time.Second))
}
}
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