mirror of
https://github.com/golang/go
synced 2024-09-05 16:04:50 +00:00
![Dmitri Shuralyov](/assets/img/avatar_default.png)
Most of the test cases in the test directory use the new go:build syntax already. Convert the rest. In general, try to place the build constraint line below the test directive comment in more places. For #41184. For #60268. Change-Id: I11c41a0642a8a26dc2eda1406da908645bbc005b Cq-Include-Trybots: luci.golang.try:gotip-linux-386-longtest,gotip-linux-amd64-longtest,gotip-windows-amd64-longtest Reviewed-on: https://go-review.googlesource.com/c/go/+/536236 Reviewed-by: Ian Lance Taylor <iant@google.com> Reviewed-by: Dmitri Shuralyov <dmitshur@google.com> Auto-Submit: Dmitri Shuralyov <dmitshur@golang.org> LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
104 lines
1.7 KiB
Go
104 lines
1.7 KiB
Go
// buildrun -t 45
|
|
|
|
//go:build !js && !wasip1
|
|
|
|
// Copyright 2021 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.
|
|
|
|
// Ensure that runtime traceback does not infinite loop for
|
|
// the testcase below.
|
|
|
|
package main
|
|
|
|
import (
|
|
"bytes"
|
|
"io/ioutil"
|
|
"log"
|
|
"os"
|
|
"os/exec"
|
|
"path/filepath"
|
|
)
|
|
|
|
const prog = `
|
|
|
|
package main
|
|
|
|
import "context"
|
|
|
|
var gpi *int
|
|
|
|
type nAO struct {
|
|
eE bool
|
|
}
|
|
|
|
type NAO func(*nAO)
|
|
|
|
func WEA() NAO {
|
|
return func(o *nAO) { o.eE = true }
|
|
}
|
|
|
|
type R struct {
|
|
cM *CM
|
|
}
|
|
|
|
type CM int
|
|
|
|
type A string
|
|
|
|
func (m *CM) NewA(ctx context.Context, cN string, nn *nAO, opts ...NAO) (*A, error) {
|
|
for _, o := range opts {
|
|
o(nn)
|
|
}
|
|
s := A("foo")
|
|
return &s, nil
|
|
}
|
|
|
|
func (r *R) CA(ctx context.Context, cN string, nn *nAO) (*int, error) {
|
|
cA, err := r.cM.NewA(ctx, cN, nn, WEA(), WEA())
|
|
if err == nil {
|
|
return nil, err
|
|
}
|
|
println(cA)
|
|
x := int(42)
|
|
return &x, nil
|
|
}
|
|
|
|
func main() {
|
|
c := CM(1)
|
|
r := R{cM: &c}
|
|
var ctx context.Context
|
|
nnr := nAO{}
|
|
pi, err := r.CA(ctx, "foo", nil)
|
|
if err != nil {
|
|
panic("bad")
|
|
}
|
|
println(nnr.eE)
|
|
gpi = pi
|
|
}
|
|
`
|
|
|
|
func main() {
|
|
dir, err := ioutil.TempDir("", "46234")
|
|
if err != nil {
|
|
log.Fatal(err)
|
|
}
|
|
defer os.RemoveAll(dir)
|
|
|
|
file := filepath.Join(dir, "main.go")
|
|
if err := ioutil.WriteFile(file, []byte(prog), 0655); err != nil {
|
|
log.Fatalf("Write error %v", err)
|
|
}
|
|
|
|
cmd := exec.Command("go", "run", file)
|
|
output, err := cmd.CombinedOutput()
|
|
if err == nil {
|
|
log.Fatalf("Passed, expected an error")
|
|
}
|
|
|
|
want := []byte("nil pointer dereference")
|
|
if !bytes.Contains(output, want) {
|
|
log.Fatalf("Unmatched error message %q:\nin\n%s\nError: %v", want, output, err)
|
|
}
|
|
}
|