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Diffstat (limited to '')
-rw-r--r-- | test/fixedbugs/issue16037_run.go | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/test/fixedbugs/issue16037_run.go b/test/fixedbugs/issue16037_run.go new file mode 100644 index 0000000..68104a9 --- /dev/null +++ b/test/fixedbugs/issue16037_run.go @@ -0,0 +1,70 @@ +// +build !nacl,!js,!android,!gccgo +// run + +// Copyright 2016 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 main + +import ( + "bytes" + "fmt" + "html/template" + "io/ioutil" + "log" + "os" + "os/exec" + "path/filepath" +) + +var tmpl = template.Must(template.New("main").Parse(` +package main + +type T struct { + {{range .Names}} + {{.Name}} *string + {{end}} +} + +{{range .Names}} +func (t *T) Get{{.Name}}() string { + if t.{{.Name}} == nil { + return "" + } + return *t.{{.Name}} +} +{{end}} + +func main() {} +`)) + +func main() { + const n = 5000 + + type Name struct{ Name string } + var t struct{ Names []Name } + for i := 0; i < n; i++ { + t.Names = append(t.Names, Name{Name: fmt.Sprintf("H%06X", i)}) + } + + buf := new(bytes.Buffer) + if err := tmpl.Execute(buf, t); err != nil { + log.Fatal(err) + } + + dir, err := ioutil.TempDir("", "issue16037-") + if err != nil { + log.Fatal(err) + } + defer os.RemoveAll(dir) + path := filepath.Join(dir, "ridiculous_number_of_fields.go") + if err := ioutil.WriteFile(path, buf.Bytes(), 0664); err != nil { + log.Fatal(err) + } + + out, err := exec.Command("go", "build", "-o="+filepath.Join(dir, "out"), path).CombinedOutput() + if err != nil { + log.Fatalf("build failed: %v\n%s", err, out) + } +} |