"cmd/go/internal/script/scripttest"
	"cmd/go/internal/work"
	"errors"
	"fmt"
	"os"
	"os/exec"
	"strings"
	"sync"
	"time"
)

func scriptCommands(interrupt os.Signal, waitDelay time.Duration) map[string]script.Cmd {
	cmds := scripttest.DefaultCmds()

	// Customize the "exec" interrupt signal and grace period.
	var cancel func(cmd *exec.Cmd) error
	if interrupt != nil {
		cancel = func(cmd *exec.Cmd) error {

	}
	return r, nil
}

func envMap(env []string) map[string]string {
	m := make(map[string]string)
	for _, kv := range env {
		if k, v, ok := strings.Cut(kv, "="); ok {
			m[k] = v
		}
	}
	return m
}

// RequestFromMap creates an [http.Request] from CGI variables.
// The returned Request's Body field is not populated.
func RequestFromMap(params map[string]string) (*http.Request, error) {
	r := new(http.Request)

				{ID: 2, Mapping: map2, Address: addr2},
			},
			NumLabel: map[string][]int64{"bytes": {1024}},
		},
		{
			Value: []int64{1, 829411, 1, 829411},
			Location: []*profile.Location{
				{ID: 3, Mapping: map2, Address: addr2 + 1},
				{ID: 4, Mapping: map2, Address: addr2 + 2},
			},
			NumLabel: map[string][]int64{"bytes": {512 * 1024}},
		},
		{
			Value: []int64{1, 829411, 0, 0},

type sortTest struct {
	data  any    // Always a map.
	print string // Printed result using our custom printer.
}

var sortTests = []sortTest{
	{
		map[int]string{7: "bar", -3: "foo"},
		"-3:foo 7:bar",
	},
	{
		map[uint8]string{7: "bar", 3: "foo"},
		"3:foo 7:bar",
	},
	{
		map[string]string{"7": "bar", "3": "foo"},
		"3:foo 7:bar",
	},
	{

}

// This example creates a PriorityQueue with some items, adds and manipulates an item,
// and then removes the items in priority order.
func Example_priorityQueue() {
	// Some items and their priorities.
	items := map[string]int{
		"banana": 3, "apple": 2, "pear": 4,
	}

	// Create a priority queue, put the items in it, and
	// establish the priority queue (heap) invariants.
	pq := make(PriorityQueue, len(items))
	i := 0

func ListModules(ctx context.Context, args []string, mode ListMode, reuseFile string) ([]*modinfo.ModulePublic, error) {
	var reuse map[module.Version]*modinfo.ModulePublic
	if reuseFile != "" {
		data, err := os.ReadFile(reuseFile)
		if err != nil {
			return nil, err
		}
		dec := json.NewDecoder(bytes.NewReader(data))
		reuse = make(map[module.Version]*modinfo.ModulePublic)
		for {
			var m modinfo.ModulePublic
			if err := dec.Decode(&m); err != nil {

// goroutines.
type Encoder struct {
	mutex      sync.Mutex              // each item must be sent atomically
	w          []io.Writer             // where to send the data
	sent       map[reflect.Type]typeId // which types we've already sent
	countState *encoderState           // stage for writing counts
	freeList   *encoderState           // list of free encoderStates; avoids reallocation

//	-----END Type-----
//
// where [Block.Headers] is a possibly empty sequence of Key: Value lines.
type Block struct {
	Type    string            // The type, taken from the preamble (i.e. "RSA PRIVATE KEY").
	Headers map[string]string // Optional headers.
	Bytes   []byte            // The decoded bytes of the contents. Typically a DER encoded ASN.1 structure.
}

// getLine results the first \r\n or \n delineated line from the given byte

				t.Logf("Header: %+v for %q (type=%v, class=%v)", h,
					q.Name.String(), q.Type, q.Class)
			},
			// TODO: add test without HandleA* hooks specified at all, that Go
			// doesn't issue retries; map to something terminal.
			HandleA: func(w AWriter, name string) error {
				w.AddIP([4]byte{1, 2, 3, 4})
				w.AddIP([4]byte{5, 6, 7, 8})
				return nil
			},
			HandleAAAA: func(w AAAAWriter, name string) error {

			if !yield(i, i+1) {
				return
			}
		}
	})

	want := map[int]int{
		1: 1,
		2: 1,
	}
	for i, v := range map[int]int{
		0: 1,
		2: 3,
		4: 5,
		6: 7,
		8: 9,
	} {
		want[i] = v
	}

	if !Equal(got, want) {
		t.Errorf("Insert got: %v, want: %v", got, want)
	}
}

func TestCollect(t *testing.T) {
	m := map[int]int{
		0: 1,
		2: 3,
		4: 5,
		6: 7,
		8: 9,
	}