func TestRewrite(t *testing.T) {
	// determine input files
	match, err := filepath.Glob("testdata/*.input")
	if err != nil {
		t.Fatal(err)
	}

	// add larger examples
	match = append(match, "gofmt.go", "gofmt_test.go")

	for _, in := range match {
		name := filepath.Base(in)
		t.Run(name, func(t *testing.T) {
			out := in // for files where input and output are identical
			if strings.HasSuffix(in, ".input") {

	{"%☠", make(chan int), "%!☠(chan int=0xPTR)"},
	{"%☠", func() {}, "%!☠(func()=0xPTR)"},
	{"%☠", reflect.ValueOf(renamedInt(0)), "%!☠(fmt_test.renamedInt=0)"},
	{"%☠", SI{renamedInt(0)}, "{%!☠(fmt_test.renamedInt=0)}"},
	{"%☠", &[]any{I(1), G(2)}, "&[%!☠(fmt_test.I=1) %!☠(fmt_test.G=2)]"},
	{"%☠", SI{&[]any{I(1), G(2)}}, "{%!☠(*[]interface {}=&[1 2])}"},
	{"%☠", reflect.Value{}, "<invalid reflect.Value>"},

black <******@****.***> 1685588076 +0800

Than McIntosh <******@****.***> 1684256782 -0400

// Copyright 2017 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 fmt_test

import (
	"fmt"
)

// Animal has a Name and an Age to represent an animal.
type Animal struct {
	Name string
	Age  uint
}

// String makes Animal satisfy the Stringer interface.
func (a Animal) String() string {

stdout '^flag \[fmt\.test\] MAP: map\[fmt:fmt \[fmt\.test\]\]'
stdout '^fmt\.test MAP: map\[(.* )?testing:testing \[fmt\.test\]'
! stdout '^fmt\.test MAP: map\[(.* )?os:'
stdout '^fmt\.test IMPORT: \[fmt \[fmt\.test\] fmt_test \[fmt\.test\] os reflect testing \[fmt\.test\] testing/internal/testdeps \[fmt\.test\]\]'


-- a/b/b.go --
package b

import _ "c/d"
-- a/vendor/c/d/d.go --

// 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 fmt_test

import (
	"fmt"
	"testing"
)

type testState struct {
	width   int
	widthOK bool
	prec    int
	precOK  bool
	flag    map[int]bool
}

var _ fmt.State = testState{}

func (s testState) Write(b []byte) (n int, err error) {

// Copyright 2018 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 fmt_test

import (
	"fmt"
)

// Address has a City, State and a Country.
type Address struct {
	City    string
	State   string
	Country string
}

// Person has a Name, Age and Address.
type Person struct {
	Name string
	Age  uint
	Addr *Address
}

		{"%+.3g", 1.0, "+1"},
		{"%+.3g", -1.0, "-1"},
		{"% .3g", -1.0, "-1"},
		{"% .3g", 1.0, " 1"},
		{"%b", float32(1.0), "8388608p-23"},
		{"%b", 1.0, "4503599627370496p-52"},

		// from fmt/fmt_test.go: old test/fmt_test.go
		{"%e", 1.0, "1.000000e+00"},
		{"%e", 1234.5678e3, "1.234568e+06"},
		{"%e", 1234.5678e-8, "1.234568e-05"},
		{"%e", -7.0, "-7.000000e+00"},
		{"%e", -1e-9, "-1.000000e-09"},

// Copyright 2010 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 fmt_test

import (
	. "fmt"
	"testing"
)

type TI int
type TI8 int8
type TI16 int16
type TI32 int32
type TI64 int64
type TU uint
type TU8 uint8
type TU16 uint16
type TU32 uint32
type TU64 uint64
type TUI uintptr
type TF float64