buf.Truncate(20)
		check(t, "TestBasicOperations (8)", &buf, testString[0:20])

		empty(t, "TestBasicOperations (9)", &buf, testString[0:20], make([]byte, 5))
		empty(t, "TestBasicOperations (10)", &buf, "", make([]byte, 100))

		buf.WriteByte(testString[1])
		c, err := buf.ReadByte()
		if want := testString[1]; err != nil || c != want {
			t.Errorf("ReadByte: got (%q, %v), want (%q, %v)", c, err, want, nil)
		}

import java.security.MessageDigest

class StreamByteBufferTest extends Specification {
    private static final int TESTROUNDS = 10000
    private static final String TEST_STRING = "Hello \u00f6\u00e4\u00e5\u00d6\u00c4\u00c5"
    private static final byte[] TEST_STRING_BYTES = TEST_STRING.getBytes('UTF-8')

    static byte[] testbuffer = new byte[256 * TESTROUNDS]

    @CompileStatic
    def setupSpec() {

	}

	for _, rt := range tests {
		t.Run(rt.testString, func(t *testing.T) {
			result := setHasItemOrAll(rt.ignoreSet, rt.testString)
			if result != rt.expectedResult {
				t.Errorf(
					"setHasItemOrAll: expected: %v actual: %v (arguments: %q, %q)",
					rt.expectedResult, result,
					rt.ignoreSet,
					rt.testString,
				)
			}
		})
	}
}

	Bool("test_bool", false, "bool value")
	Int("test_int", 0, "int value")
	Int64("test_int64", 0, "int64 value")
	Uint("test_uint", 0, "uint value")
	Uint64("test_uint64", 0, "uint64 value")
	String("test_string", "0", "string value")
	Float64("test_float64", 0, "float64 value")
	Duration("test_duration", 0, "time.Duration value")
	Func("test_func", "func value", func(string) error { return nil })

    @Override
    public Object call() {
      return Boolean.TRUE;
    }
  }

  public static final String TEST_STRING = "a test string";

  public static class StringTask implements Callable<String> {
    @Override
    public String call() {
      return TEST_STRING;
    }
  }

  public Callable<String> latchAwaitingStringTask(final CountDownLatch latch) {

	}
}

var testInt int
var testFloat32 float32
var testString string
var testSlice []string
var testMap map[string]int
var testArray [7]int

type SingleTest struct {
	in  any
	out any
	err string
}

var singleTests = []SingleTest{
	{17, &testInt, ""},
	{float32(17.5), &testFloat32, ""},
	{"bike shed", &testString, ""},
	{[]string{"bike", "shed", "paint", "color"}, &testSlice, ""},

	if got := dummys.Get("otherBool").Bool(); got != want {
		t.Errorf("got %#v, want %#v", got, want)
	}
	if !dummys.Get("someBool").Equal(dummys.Get("someBool")) {
		t.Errorf("same value not equal")
	}
}

func TestString(t *testing.T) {
	want := "abc\u1234"
	o := dummys.Get("someString")
	if got := o.String(); got != want {
		t.Errorf("got %#v, want %#v", got, want)
	}
	dummys.Set("otherString", want)

	cmd.Env = append(cmd.Environ(), "FOO=foo\x00BAR=bar")
	out, err := cmd.CombinedOutput()
	if err == nil {
		t.Errorf("output = %q; want error", string(out))
	}
}

func TestString(t *testing.T) {
	t.Parallel()

	echoPath, err := exec.LookPath("echo")
	if err != nil {
		t.Skip(err)
	}
	tests := [...]struct {
		path string
		args []string
		want string
	}{