}
}

func TestIsValueFuncs(t *testing.T) {
	testInt := int(42)
	testStruct := struct{}{}
	testSlice := []bool{}
	testMap := map[bool]bool{}
	var testNilSlice []bool
	var testNilMap map[bool]bool

	allValues := []any{nil, testInt, &testInt, testStruct, &testStruct, testNilSlice, testSlice, &testSlice, testNilMap, testMap, &testMap}

	tests := []struct {
		desc     string
		function func(v reflect.Value) bool

	"os"
	"strconv"
	"sync"
	"syscall"
	"testing"
)

func TestSplice(t *testing.T) {
	t.Run("tcp-to-tcp", func(t *testing.T) { testSplice(t, "tcp", "tcp") })
	if !testableNetwork("unixgram") {
		t.Skip("skipping unix-to-tcp tests")
	}
	t.Run("unix-to-tcp", func(t *testing.T) { testSplice(t, "unix", "tcp") })
	t.Run("tcp-to-unix", func(t *testing.T) { testSplice(t, "tcp", "unix") })

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, ""},

    byte[] copy = bytes.clone();
    copy[9876] = 1;
    ByteSource oneByteOff = new TestByteSource(copy);
    assertFalse(source.contentEquals(oneByteOff));
  }

  public void testSlice() throws IOException {
    // Test preconditions
    assertThrows(IllegalArgumentException.class, () -> source.slice(-1, 10));

    assertThrows(IllegalArgumentException.class, () -> source.slice(0, -1));

	}
}

func TestStrings(t *testing.T) {
	data := strings
	Strings(data[0:])
	if !StringsAreSorted(data[0:]) {
		t.Errorf("sorted %v", strings)
		t.Errorf("   got %v", data)
	}
}

func TestSlice(t *testing.T) {
	data := strings
	Slice(data[:], func(i, j int) bool {
		return data[i] < data[j]
	})
	if !SliceIsSorted(data[:], func(i, j int) bool { return data[i] < data[j] }) {
		t.Errorf("sorted %v", strings)