// Copyright 2013 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 syscall_test import ( "internal/testenv" "os" "runtime" "syscall" "testing" ) func testSetGetenv(t *testing.T, key, value string) { err := syscall.Setenv(key, value) if err != nil { t.Fatalf("Setenv failed to set %q: %v", value, err) } newvalue, found := syscall.Getenv(key) if !found { t.Fatalf("Getenv failed to find %v variable (want value %q)", key, value) } if newvalue != value { t.Fatalf("Getenv(%v) = %q; want %q", key, newvalue, value) } } func TestEnv(t *testing.T) { testSetGetenv(t, "TESTENV", "AVALUE") // make sure TESTENV gets set to "", not deleted testSetGetenv(t, "TESTENV", "") } // Check that permuting child process fds doesn't interfere with // reporting of fork/exec status. See Issue 14979. func TestExecErrPermutedFds(t *testing.T) { testenv.MustHaveExec(t) attr := &os.ProcAttr{Files: []*os.File{os.Stdin, os.Stderr, os.Stdout}} _, err := os.StartProcess("/", []string{"/"}, attr) if err == nil { t.Fatalf("StartProcess of invalid program returned err = nil") } } func TestGettimeofday(t *testing.T) { if runtime.GOOS == "js" { t.Skip("not implemented on " + runtime.GOOS) } tv := &syscall.Timeval{} if err := syscall.Gettimeofday(tv); err != nil { t.Fatal(err) } if tv.Sec == 0 && tv.Usec == 0 { t.Fatal("Sec and Usec both zero") } }