all: fix tests for older versions of AIX 7.2

This commit fixes tests which fail on some versions of AIX 7.2 due
to internal bugs.

getsockname isn't working properly with unix networks.

Timezone files aren't returning a correct output.

Change-Id: I4ff15683912be62ab86dfbeeb63b73513404d086
Reviewed-on: https://go-review.googlesource.com/c/146940
Run-TryBot: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>

diff --git a/src/net/platform_test.go b/src/net/platform_test.go
index 01c579bd8ebeb9c94d33aec336bb290f6edb2c2a..7e9ad70d19b28943d81952d289caa06f09c62daa 100644 (file)
--- a/src/net/platform_test.go
+++ b/src/net/platform_test.go
@@ -7,7 +7,9 @@ package net
 import (
        "internal/testenv"
        "os"
+       "os/exec"
        "runtime"
+       "strconv"
        "strings"
        "testing"
 )
@@ -35,6 +37,16 @@ func testableNetwork(network string) bool {
                switch runtime.GOOS {
                case "android", "nacl", "plan9", "windows":
                        return false
+               case "aix":
+                       // Unix network isn't properly working on AIX 7.2 with Technical Level < 2
+                       out, err := exec.Command("oslevel", "-s").Output()
+                       if err != nil {
+                               return false
+                       }
+                       if tl, err := strconv.Atoi(string(out[5:7])); err != nil || tl < 2 {
+                               return false
+                       }
+                       return true
                }
                // iOS does not support unix, unixgram.
                if runtime.GOOS == "darwin" && (runtime.GOARCH == "arm" || runtime.GOARCH == "arm64") {

diff --git a/src/time/zoneinfo_read.go b/src/time/zoneinfo_read.go
index 15d6aab1dee2f696919f2018b2311bcb7ab40c6b..b495217c0686fdab7c466c26ca7063e0133ffba2 100644 (file)
--- a/src/time/zoneinfo_read.go
+++ b/src/time/zoneinfo_read.go
@@ -11,6 +11,7 @@ package time
 
 import (
        "errors"
+       "runtime"
        "syscall"
 )
 
@@ -172,6 +173,14 @@ func LoadLocationFromTZData(name string, data []byte) (*Location, error) {
                        return nil, badData
                }
                zone[i].name = byteString(abbrev[b:])
+               if runtime.GOOS == "aix" && len(name) > 8 && (name[:8] == "Etc/GMT+" || name[:8] == "Etc/GMT-") {
+                       // There is a bug with AIX 7.2 TL 0 with files in Etc,
+                       // GMT+1 will return GMT-1 instead of GMT+1 or -01.
+                       if name != "Etc/GMT+0" {
+                               // GMT+0 is OK
+                               zone[i].name = name[4:]
+                       }
+               }
        }
 
        // Now the transition time info.