mirror of
https://github.com/golang/go
synced 2024-11-23 18:10:04 -07:00
ad644d2e86
Change-Id: Iadb3c5de8ae9ea45855013997ed70f7929a88661
GitHub-Last-Rev: ae85bcf82b
GitHub-Pull-Request: golang/go#26920
Reviewed-on: https://go-review.googlesource.com/128955
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
66 lines
1.9 KiB
Go
66 lines
1.9 KiB
Go
// run
|
|
|
|
// Copyright 2018 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.
|
|
|
|
// Verify the impact of line directives on error positions and position formatting.
|
|
|
|
package main
|
|
|
|
import (
|
|
"io/ioutil"
|
|
"log"
|
|
"os"
|
|
"os/exec"
|
|
"runtime"
|
|
"strings"
|
|
)
|
|
|
|
// Each of these tests is expected to fail (missing package clause)
|
|
// at the position determined by the preceding line directive.
|
|
var tests = []struct {
|
|
src, pos string
|
|
}{
|
|
{"//line :10\n", ":10:"}, // no filename means no filename
|
|
{"//line :10:4\n", "filename:10:4"}, // no filename means use existing filename
|
|
{"//line foo.go:10\n", "foo.go:10:"}, // no column means don't print a column
|
|
{"//line foo.go:10:4\n", "foo.go:10:4:"}, // column means print a column
|
|
{"//line foo.go:10:4\n\n", "foo.go:11:1:"}, // relative columns start at 1 after newline
|
|
|
|
{"/*line :10*/", ":10:"},
|
|
{"/*line :10:4*/", "filename:10:4"},
|
|
{"/*line foo.go:10*/", "foo.go:10:"},
|
|
{"/*line foo.go:10:4*/", "foo.go:10:4:"},
|
|
{"/*line foo.go:10:4*/\n", "foo.go:11:1:"},
|
|
}
|
|
|
|
func main() {
|
|
if runtime.GOOS == "nacl" || runtime.GOOS == "js" {
|
|
return // can not exec go tool
|
|
}
|
|
|
|
f, err := ioutil.TempFile("", "issue22662b.go")
|
|
if err != nil {
|
|
log.Fatal(err)
|
|
}
|
|
f.Close()
|
|
defer os.Remove(f.Name())
|
|
|
|
for _, test := range tests {
|
|
if err := ioutil.WriteFile(f.Name(), []byte(test.src), 0660); err != nil {
|
|
log.Fatal(err)
|
|
}
|
|
|
|
out, err := exec.Command("go", "tool", "compile", f.Name()).CombinedOutput()
|
|
if err == nil {
|
|
log.Fatalf("expected compiling\n---\n%s\n---\nto fail", test.src)
|
|
}
|
|
|
|
errmsg := strings.Replace(string(out), f.Name(), "filename", -1) // use "filename" instead of actual (long) filename
|
|
if !strings.HasPrefix(errmsg, test.pos) {
|
|
log.Fatalf("%q: got %q; want position %q", test.src, errmsg, test.pos)
|
|
}
|
|
}
|
|
}
|