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go/test/fixedbugs/issue13268.go
Dmitri Shuralyov b2fd76ab8d test: migrate remaining files to go:build syntax
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>
2023-10-19 23:33:25 +00:00

45 lines
984 B
Go

// run
//go:build gc
// Copyright 2015 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.
// Test error message when EOF is encountered in the
// middle of a BOM.
//
// Since the error requires an EOF, we cannot use the
// errorcheckoutput mechanism.
package main
import (
"io/ioutil"
"log"
"os"
"os/exec"
"strings"
)
func main() {
// create source
f, err := ioutil.TempFile("", "issue13268-")
if err != nil {
log.Fatalf("could not create source file: %v", err)
}
f.Write([]byte("package p\n\nfunc \xef\xef")) // if this fails, we will die later
f.Close()
defer os.Remove(f.Name())
// compile and test output
cmd := exec.Command("go", "tool", "compile", f.Name())
out, err := cmd.CombinedOutput()
if err == nil {
log.Fatalf("expected cmd/compile to fail")
}
if strings.HasPrefix(string(out), "illegal UTF-8 sequence") {
log.Fatalf("error %q not found", out)
}
}