mirror of
https://github.com/golang/go
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e3c684777a
The general policy for the current state of js/wasm is that it only has to support tests that are also supported by nacl. The test nilptr3.go makes assumptions about which nil checks can be removed. Since WebAssembly does not signal on reading a null pointer, all nil checks have to be explicit. Updates #18892 Change-Id: I06a687860b8d22ae26b1c391499c0f5183e4c485 Reviewed-on: https://go-review.googlesource.com/110096 Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org> Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org>
76 lines
1.7 KiB
Go
76 lines
1.7 KiB
Go
// Copyright 2013 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package syscall_test
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import (
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"fmt"
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"internal/testenv"
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"os"
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"runtime"
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"syscall"
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"testing"
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)
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func testSetGetenv(t *testing.T, key, value string) {
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err := syscall.Setenv(key, value)
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if err != nil {
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t.Fatalf("Setenv failed to set %q: %v", value, err)
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}
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newvalue, found := syscall.Getenv(key)
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if !found {
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t.Fatalf("Getenv failed to find %v variable (want value %q)", key, value)
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}
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if newvalue != value {
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t.Fatalf("Getenv(%v) = %q; want %q", key, newvalue, value)
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}
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}
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func TestEnv(t *testing.T) {
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testSetGetenv(t, "TESTENV", "AVALUE")
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// make sure TESTENV gets set to "", not deleted
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testSetGetenv(t, "TESTENV", "")
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}
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func TestItoa(t *testing.T) {
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// Make most negative integer: 0x8000...
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i := 1
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for i<<1 != 0 {
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i <<= 1
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}
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if i >= 0 {
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t.Fatal("bad math")
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}
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s := syscall.Itoa(i)
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f := fmt.Sprint(i)
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if s != f {
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t.Fatalf("itoa(%d) = %s, want %s", i, s, f)
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}
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}
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// Check that permuting child process fds doesn't interfere with
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// reporting of fork/exec status. See Issue 14979.
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func TestExecErrPermutedFds(t *testing.T) {
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testenv.MustHaveExec(t)
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attr := &os.ProcAttr{Files: []*os.File{os.Stdin, os.Stderr, os.Stdout}}
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_, err := os.StartProcess("/", []string{"/"}, attr)
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if err == nil {
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t.Fatalf("StartProcess of invalid program returned err = nil")
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}
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}
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func TestGettimeofday(t *testing.T) {
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if runtime.GOOS == "nacl" || runtime.GOOS == "js" {
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t.Skip("not implemented on " + runtime.GOOS)
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}
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tv := &syscall.Timeval{}
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if err := syscall.Gettimeofday(tv); err != nil {
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t.Fatal(err)
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}
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if tv.Sec == 0 && tv.Usec == 0 {
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t.Fatal("Sec and Usec both zero")
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}
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}
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