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-rw-r--r--test/fixedbugs/issue36437.go49
1 files changed, 49 insertions, 0 deletions
diff --git a/test/fixedbugs/issue36437.go b/test/fixedbugs/issue36437.go
new file mode 100644
index 0000000..c7a11d2
--- /dev/null
+++ b/test/fixedbugs/issue36437.go
@@ -0,0 +1,49 @@
+// run
+
+// +build !nacl,!js,gc
+
+// Copyright 2020 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.
+
+// Tests that when non-existent files are passed to the
+// compiler, such as in:
+// go tool compile foo
+// we don't print the beginning position:
+// foo:0: open foo: no such file or directory
+// but instead omit it and print out:
+// open foo: no such file or directory
+
+package main
+
+import (
+ "fmt"
+ "io/ioutil"
+ "os"
+ "os/exec"
+ "regexp"
+)
+
+func main() {
+ tmpDir, err := ioutil.TempDir("", "issue36437")
+ if err != nil {
+ panic(err)
+ }
+ defer os.RemoveAll(tmpDir)
+
+ msgOrErr := func(msg []byte, err error) string {
+ if len(msg) == 0 && err != nil {
+ return err.Error()
+ }
+ return string(msg)
+ }
+
+ filename := "non-existent.go"
+ output, err := exec.Command("go", "tool", "compile", filename).CombinedOutput()
+ got := msgOrErr(output, err)
+
+ regFilenamePos := regexp.MustCompile(filename + ":\\d+")
+ if regFilenamePos.MatchString(got) {
+ fmt.Printf("Error message must not contain filename:pos, but got:\n%q\n", got)
+ }
+}