# This is needed by analyzers that access source files through 'go list'.
# Verifies golang.org/issue/31971.
# TODO(jayconrod): This test is brittle. We should write _testmain.go as
# a build action instead of with an ad-hoc WriteFile call
# in internal/test/test.go. Then we could just grep 'go get -n'.
go test x_test.go

-- x_test.go --
package x

import (
	"os"
	"path/filepath"
	"regexp"
	"testing"
)

			if in != out {
				if err := os.WriteFile(out, got, 0666); err != nil {
					t.Error(err)
				}
				return
			}
			// in == out: don't accidentally destroy input
			t.Errorf("WARNING: -update did not rewrite input file %s", in)
		}

		t.Errorf("(gofmt %s) != %s (see %s.gofmt)\n%s", in, out, in,
			diff.Diff("expected", expected, "got", got))
		if err := os.WriteFile(in+".gofmt", got, 0666); err != nil {

							}
							err = os.WriteFile(fn+".json", []byte(filemap[file][name+".json"]), os.ModePerm)
							combineFiles[name] = append(combineFiles[name], fn)
							if err != nil {
								fmt.Println("WriteFile:", err)
							}
							err = os.WriteFile(filepath.Dir(fn)+"/filename.txt", []byte(file), os.ModePerm)
							if err != nil {
								fmt.Println("combine WriteFile:", err)
							}
						}
					}

		// takes a while.
		t.Skip("skip in short mode")
	}
	testenv.MustHaveGoRun(t)
	t.Parallel()

	tmpdir := t.TempDir()
	src := filepath.Join(tmpdir, "x.go")
	err := os.WriteFile(src, []byte(helloSrc), 0644)
	if err != nil {
		t.Fatalf("write file failed: %v", err)
	}

	cmd := testenv.Command(t, testenv.GoToolPath(t), "run", "-gcflags=all="+flag, src)
	out, err := cmd.CombinedOutput()

		dir, err := os.MkdirTemp("", "")
		if err != nil {
			return false, ""
		}
		defer func() {
			_ = os.RemoveAll(dir)
		}()
		fpath := filepath.Join(dir, "testfile.txt")
		if err := os.WriteFile(fpath, nil, 0644); err != nil {
			return false, ""
		}
		if err := os.Symlink(fpath, filepath.Join(dir, "testlink")); err != nil {
			if SyscallIsNotSupported(err) {

        withFile("$baseDir/build.gradle.kts", script, produceFile)

    protected
    fun withFile(fileName: String, text: String = "", produceFile: (String) -> File = ::newFile) =
        writeFile(produceFile(fileName), text)

    private
    fun writeFile(file: File, text: String): File =
        file.apply { writeText(text) }

    protected

	defer tg.cleanup()
	tg.parallel()

	tmp, err := os.MkdirTemp("", "TestAbsolutePath")
	if err != nil {
		t.Fatal(err)
	}
	defer robustio.RemoveAll(tmp)

	file := filepath.Join(tmp, "a.go")
	err = os.WriteFile(file, []byte{}, 0644)
	if err != nil {
		t.Fatal(err)
	}
	dir := filepath.Join(tmp, "dir")
	err = os.Mkdir(dir, 0777)
	if err != nil {
		t.Fatal(err)
	}

	noVolume := file[len(filepath.VolumeName(file)):]

	path := filepath.Join("users", "xxx", "go")
	var src bytes.Buffer
	fmt.Fprintf(&src, "//line %s:1\n", filepath.Join(path, "foo.go"))

	if err := ioutil.WriteFile(f.Name(), src.Bytes(), 0660); err != nil {
		log.Fatal(err)
	}

	out, err := exec.Command("go", "tool", "compile", "-p=p", fmt.Sprintf("-trimpath=%s", path), f.Name()).CombinedOutput()
	if err == nil {

import (
    "path/filepath"
	"fmt"
	"os"
)

func main() {
	for i := 0; i < 10; i++ {
		b := byte(0)
		if i > 5 {
			b = byte(i)
		}
        tmpl := "go test fuzz v1\nint(%d)\n"
		if err := os.WriteFile(filepath.Join(os.Args[1], fmt.Sprint(i)), []byte(fmt.Sprintf(tmpl, b)), 0777); err != nil {
			panic(err)
		}
	}

	buf.WriteString("// #cgo LDFLAGS:")
	for i := range 10000 {
		fmt.Fprintf(&buf, " -Wl,-rpath,/nonexistentpath/%d", i)
	}
	buf.WriteString("\n")
	buf.WriteString(`import "C"`+"\n")
	if err := os.WriteFile("generated.go", buf.Bytes(), 0o644); err != nil {
		log.Fatal(err)
	}
}
-- gen.go --
package p