+ "enim, at feugiat leo magna nec libero. Mauris quis odio eget nisl rutrum cursus nec "
          + "eget augue. Sed nec arcu sem. In hac habitasse platea dictumst.";

  static final ImmutableMap<String, String> TEST_STRINGS =
      ImmutableMap.<String, String>builder()
          .put("empty", "")
          .put("1 char", "0")
          .put("1 word", "hello")
          .put("2 words", "hello world")

    Sink sink = new Sink(4);
    sink.putChar((char) 0x0201);
    HashCode unused = sink.hash();
    sink.assertInvariants(2);
    sink.assertBytes(new byte[] {1, 2, 0, 0}); // padded with zeros
  }

  public void testString() {
    Random random = new Random();
    for (int i = 0; i < 100; i++) {
      byte[] bytes = new byte[64];
      random.nextBytes(bytes);
      String s = new String(bytes, UTF_16LE); // so all random strings are valid

    Sink sink = new Sink(4);
    sink.putChar((char) 0x0201);
    HashCode unused = sink.hash();
    sink.assertInvariants(2);
    sink.assertBytes(new byte[] {1, 2, 0, 0}); // padded with zeros
  }

  public void testString() {
    Random random = new Random();
    for (int i = 0; i < 100; i++) {
      byte[] bytes = new byte[64];
      random.nextBytes(bytes);
      String s = new String(bytes, UTF_16LE); // so all random strings are valid

  static TestSuite tests(String name, ByteSourceFactory factory, boolean testAsCharSource) {
    TestSuite suite = new TestSuite(name);
    for (Entry<String, String> entry : TEST_STRINGS.entrySet()) {
      if (testAsCharSource) {
        suite.addTest(suiteForString(factory, entry.getValue(), name, entry.getKey()));
      } else {
        suite.addTest(
            suiteForBytes(

import (
	"os"
	"testing"
	"time"
)

const testVar = "TESTXYZ"

func reset() {
	_ = os.Unsetenv(testVar)
	mutex.Lock()
	allVars = make(map[string]Var)
	mutex.Unlock()
}

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

	ev := RegisterStringVar(testVar, "123", "")
	v, present := ev.Lookup()
	if v != "123" {
		t.Errorf("Expected 123, got %s", v)
	}
	if present {
		t.Errorf("Expected not present")