/** Test one string operation using the string cache. */
void testString() {
String a = randomString();
if (returnNew) {
String b = StringUtils.fromCacheOrNew(a);
try {
assertEquals(a, b);
} catch (Exception e) {
TestBase.logError("error", e);
}
if (a != null && a == b && a.length() > 0) {
throw new AssertionError(
"a=" + System.identityHashCode(a) + " b=" + System.identityHashCode(b));
}
} else {
String b;
if (useIntern) {
b = a == null ? null : a.intern();
} else {
b = StringUtils.cache(a);
}
try {
assertEquals(a, b);
} catch (Exception e) {
TestBase.logError("error", e);
}
}
}
