if old == nil {
		return fmt.Errorf("missing origin")
	}
	if old.VCS != "git" || old.URL != r.remoteURL {
		return fmt.Errorf("origin moved from %v %q to %v %q", old.VCS, old.URL, "git", r.remoteURL)
	}
	if old.Subdir != subdir {
		return fmt.Errorf("origin moved from %v %q %q to %v %q %q", old.VCS, old.URL, old.Subdir, "git", r.remoteURL, subdir)
	}

	// remains up to date. If so, whatever cached object it was
	// taken from can be reused.
	// The subdir gives subdirectory name where the module root is expected to be found,
	// "" for the root or "sub/dir" for a subdirectory (no trailing slash).
	CheckReuse(ctx context.Context, old *Origin, subdir string) error

	// Tags lists all tags with the given prefix.
	Tags(ctx context.Context, prefix string) (*Tags, error)

! stdout '"Reuse": true'
stdout '"URL": ".*/git/tagtests"'

# reuse with stale Dir
cp tagtestsv022.json tagtestsv022baddir.json
replace '\t\t\"Ref\":' '\t\t\"Subdir\": \"subdir\",\n\t\t\"Ref\":' tagtestsv022baddir.json
go mod download -reuse=tagtestsv022baddir.json -x -json vcs-test.golang.org/git/tagtests.git@v0.2.2
! stdout '"Reuse": true'
stdout '"URL": ".*/git/tagtests"'

	// We subtract an additional mtimeInterval
	// to account for the imprecision of our "last used" mtimes.
	cutoff := now.Add(-trimLimit - mtimeInterval)
	for i := 0; i < 256; i++ {
		subdir := filepath.Join(c.dir, fmt.Sprintf("%02x", i))
		c.trimSubdir(subdir, cutoff)
	}

	// Ignore errors from here: if we don't write the complete timestamp, the
	// cache will appear older than it is, and we'll trim it again next time.
	var b bytes.Buffer

        succeeds "components"
        then:
        output.contains("""
SampleLibrary 'sampleLib'
-------------------------

Source sets
    Library source 'sampleLib:librarySource'
        srcDir: src${File.separator}sampleLib${File.separator}librarySource

Binaries
    SampleBinary 'sampleLib:binary'
        build using task: :sampleLibBinary
    OtherSampleBinary 'sampleLib:otherBinary'

	EDEADLK
	EDEADLOCK
	EDESTADDRREQ
	EDOM
	EDOTDOT
	EDQUOT
	EEXIST
	EFAULT
	EFBIG
	EHOSTDOWN
	EHOSTUNREACH
	EIDRM
	EILSEQ
	EINPROGRESS
	EINTR
	EINVAL
	EIO
	EISCONN
	EISDIR
	EISNAM
	EKEYEXPIRED
	EKEYREJECTED
	EKEYREVOKED
	EL2HLT
	EL2NSYNC
	EL3HLT
	EL3RST
	ELIBACC
	ELIBBAD
	ELIBEXEC
	ELIBMAX
	ELIBSCN
	ELNRNG
	ELOOP
	EMEDIUMTYPE
	EMFILE
	EMLINK

        def sources = generatedCode.values().collect {
            new TestClassSource(it.className, it.generatedCode)
        }
        def srcDir = tmpDir.createDir("src")
        def dstDir = tmpDir.createDir("dst")
        SimpleGeneratedJavaClassCompiler.compile(srcDir, dstDir, sources, classPath)
        def cl = new URLClassLoader([dstDir.toURI().toURL()] as URL[], this.class.classLoader)

                        continue;
                    }
                    subdir = path;
                }
                // When the same module is found in main and test output, the latter is patching the former.
                addPathElement(JavaPathType.patchModule(moduleName), subdir);
                addToClasspath = false;
            }
            /*

		t.Logf("%s", out)
		t.Fatalf("go tool compile %s failed: %s", filename, err)
	}
	return outname
}

func testPath(t *testing.T, path, srcDir string) *types.Package {
	t0 := time.Now()
	fset := token.NewFileSet()
	pkg, err := Import(fset, make(map[string]*types.Package), path, srcDir, nil)
	if err != nil {
		t.Errorf("testPath(%s): %s", path, err)
		return nil
	}
	t.Logf("testPath(%s): %v", path, time.Since(t0))
	return pkg

	"go/token"
	"internal/diff"
	"os"
	"path/filepath"
	"runtime"
	"strings"
	"testing"
)

var filesToWrite = flag.String("write", "", `go/types files to generate, or "all" for all files`)

const (
	srcDir = "/src/cmd/compile/internal/types2/"
	dstDir = "/src/go/types/"
)

// TestGenerate verifies that generated files in go/types match their types2
// counterpart. If -write is set, this test actually writes the expected