misc/cgo: move easy tests to cmd/cgo/internal

[gostls13.git] / misc / cgo / testsanitizers / libfuzzer_test.go

diff --git a/misc/cgo/testsanitizers/libfuzzer_test.go b/misc/cgo/testsanitizers/libfuzzer_test.go
deleted file mode 100644 (file)
index 345751b..0000000
--- a/misc/cgo/testsanitizers/libfuzzer_test.go
+++ /dev/null
@@ -1,91 +0,0 @@
-// Copyright 2022 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 sanitizers_test
-
-import (
-       "strings"
-       "testing"
-)
-
-func TestLibFuzzer(t *testing.T) {
-       goos, err := goEnv("GOOS")
-       if err != nil {
-               t.Fatal(err)
-       }
-       goarch, err := goEnv("GOARCH")
-       if err != nil {
-               t.Fatal(err)
-       }
-       if !libFuzzerSupported(goos, goarch) {
-               t.Skipf("skipping on %s/%s; libfuzzer option is not supported.", goos, goarch)
-       }
-       config := configure("fuzzer")
-       config.skipIfCSanitizerBroken(t)
-
-       cases := []struct {
-               goSrc         string
-               cSrc          string
-               expectedError string
-       }{
-               {goSrc: "libfuzzer1.go", expectedError: "panic: found it"},
-               {goSrc: "libfuzzer2.go", cSrc: "libfuzzer2.c", expectedError: "panic: found it"},
-       }
-       for _, tc := range cases {
-               tc := tc
-               name := strings.TrimSuffix(tc.goSrc, ".go")
-               t.Run(name, func(t *testing.T) {
-                       t.Parallel()
-
-                       dir := newTempDir(t)
-                       defer dir.RemoveAll(t)
-
-                       // build Go code in libfuzzer mode to a c-archive
-                       outPath := dir.Join(name)
-                       archivePath := dir.Join(name + ".a")
-                       mustRun(t, config.goCmd("build", "-buildmode=c-archive", "-o", archivePath, srcPath(tc.goSrc)))
-
-                       // build C code (if any) and link with Go code
-                       cmd, err := cc(config.cFlags...)
-                       if err != nil {
-                               t.Fatalf("error running cc: %v", err)
-                       }
-                       cmd.Args = append(cmd.Args, config.ldFlags...)
-                       cmd.Args = append(cmd.Args, "-o", outPath, "-I", dir.Base())
-                       if tc.cSrc != "" {
-                               cmd.Args = append(cmd.Args, srcPath(tc.cSrc))
-                       }
-                       cmd.Args = append(cmd.Args, archivePath)
-                       mustRun(t, cmd)
-
-                       cmd = hangProneCmd(outPath)
-                       cmd.Dir = dir.Base()
-                       outb, err := cmd.CombinedOutput()
-                       out := string(outb)
-                       if err == nil {
-                               t.Fatalf("fuzzing succeeded unexpectedly; output:\n%s", out)
-                       }
-                       if !strings.Contains(out, tc.expectedError) {
-                               t.Errorf("exited without expected error %q; got\n%s", tc.expectedError, out)
-                       }
-               })
-       }
-}
-
-// libFuzzerSupported is a copy of the function internal/platform.FuzzInstrumented,
-// because the internal package can't be used here.
-func libFuzzerSupported(goos, goarch string) bool {
-       switch goarch {
-       case "amd64", "arm64":
-               // TODO(#14565): support more architectures.
-               switch goos {
-               case "darwin", "freebsd", "linux", "windows":
-                       return true
-               default:
-                       return false
-               }
-       default:
-               return false
-       }
-}