public void apply()
throws IllegalAccessException, InvocationTargetException, InstantiationException {
if (type.isEnum()) {
for (T instance : type.getEnumConstants()) {
assertThat(
instance.toString(),
is(
type.getCanonicalName().substring(type.getPackage().getName().length() + 1)
+ "."
+ ((Enum<?>) instance).name()));
}
return;
}
for (Constructor<?> constructor : type.getDeclaredConstructors()) {
if (constructor.isSynthetic() && skipSynthetic) {
continue;
}
constructor.setAccessible(true);
Class<?>[] parameterTypes = constructor.getParameterTypes();
Object[] actualArguments = new Object[parameterTypes.length];
Object[] otherArguments = new Object[parameterTypes.length];
int index = 0;
for (Class<?> parameterType : parameterTypes) {
putInstance(parameterType, actualArguments, otherArguments, index++);
}
int testIndex = 0;
@SuppressWarnings("unchecked")
T instance = (T) constructor.newInstance(actualArguments);
assertThat(instance, is(instance));
assertThat(instance, not(is((Object) null)));
assertThat(instance, not(is(new Object())));
Object similarInstance = constructor.newInstance(actualArguments);
assertThat(instance.hashCode(), is(similarInstance.hashCode()));
assertThat(instance, is(similarInstance));
if (skipToString) {
assertThat(instance.toString(), notNullValue());
} else if (optionalToStringRegex == null) {
checkString(instance);
} else {
assertThat(instance.toString(), new RegexMatcher(optionalToStringRegex));
}
for (Object otherArgument : otherArguments) {
Object[] compareArguments = new Object[actualArguments.length];
int argumentIndex = 0;
for (Object actualArgument : actualArguments) {
if (argumentIndex == testIndex) {
compareArguments[argumentIndex] = otherArgument;
} else {
compareArguments[argumentIndex] = actualArgument;
}
argumentIndex++;
}
Object unlikeInstance = constructor.newInstance(compareArguments);
assertThat(instance.hashCode(), not(is(unlikeInstance)));
assertThat(instance, not(is(unlikeInstance)));
testIndex++;
}
}
}
@Override
public String describe() {
List<String> returns = Lists.newArrayList();
for (T r : values) returns.add(r.toString());
return "{" + Joiner.on(',').join(returns) + "}";
}
public static <T> List<String> toStringList(T[] array) {
List<String> list = new ArrayList();
for (T element : array) {
list.add(element.toString());
}
return list;
}
private void checkString(T instance) {
assertThat(
instance.toString(),
CoreMatchers.startsWith(
type.getCanonicalName().substring(type.getPackage().getName().length() + 1) + "{"));
assertThat(instance.toString(), endsWith("}"));
Class<?> currentType = type;
do {
for (Field field : type.getDeclaredFields()) {
if (!field.isSynthetic()
&& !Modifier.isStatic(field.getModifiers())
&& !ignoredFields.contains(field.getName())) {
assertThat(instance.toString(), containsString(field.getName()));
}
}
} while ((currentType = currentType.getSuperclass()) != Object.class);
}
public static <T> String fmtList(final List<T> list) {
String result = "";
for (T item : list) {
result += item.toString() + "\n";
}
return result;
}
<T> String toString(Iterable<T> items, String sep) {
String currSep = "";
StringBuilder sb = new StringBuilder();
for (T item : items) {
sb.append(currSep);
sb.append(item.toString());
currSep = sep;
}
return sb.toString();
}
/**
* Computes the display string for any value.
*
* @param t the value to print
* @return the formatted string
*/
public static <T> String print(T t) {
if (t == null) {
return "";
}
if (conversion.canConvert(t.getClass(), String.class)) {
return conversion.convert(t, String.class);
} else {
return t.toString();
}
}
/**
* Returns a string of the form elt1.toString() [sep elt2.toString() ... sep elt.toString()] for a
* collection of elti objects (note there's no actual space between sep and the elti elements).
* Returns "" if collection is empty. If collection contains just elt, then returns elt.toString()
*
* @param separator the string to use to separate objects
* @param objects a collection of objects. the element order is defined by the iterator over
* objects
* @param <T> the type of the objects
* @return a non-null string
*/
public static <T> String join(final String separator, final Collection<T> objects) {
if (objects.isEmpty()) { // fast path for empty collection
return "";
} else {
final Iterator<T> iter = objects.iterator();
final T first = iter.next();
if (!iter.hasNext()) // fast path for singleton collections
return first.toString();
else { // full path for 2+ collection that actually need a join
final StringBuilder ret = new StringBuilder(first.toString());
while (iter.hasNext()) {
ret.append(separator);
ret.append(iter.next().toString());
}
return ret.toString();
}
}
}
/**
* Computes the display string for any value, for a specific type.
*
* @param desc the field descriptor - custom formatters are extracted from this descriptor.
* @param t the value to print
* @return the formatted string
*/
public static <T> String print(TypeDescriptor desc, T t) {
if (t == null) {
return "";
}
if (desc != null && conversion.canConvert(desc, TypeDescriptor.valueOf(String.class))) {
return (String) conversion.convert(t, desc, TypeDescriptor.valueOf(String.class));
} else if (conversion.canConvert(t.getClass(), String.class)) {
return conversion.convert(t, String.class);
} else {
return t.toString();
}
}
public static <T> String collectionToCommaString(Collection<T> list) {
if (CollectionUtils.isEmpty(list)) return "";
StringBuffer result = new StringBuffer();
for (T item : list) {
if (item != null) {
result.append(item.toString() + ",");
}
}
if (result.length() >= 1) {
result.setLength(result.length() - 1);
}
return result.toString();
}
public <T> void logMany(final PrintStream stream, final Collection<T> list) {
final String[] a = new String[list.size()];
int i = 0;
for (T e : list) {
a[i++] = e.toString();
}
Arrays.sort(a);
for (String o : a) {
stream.println(o);
}
}
@Override
public String toString() {
List<T> ls = new ArrayList<T>(lefts);
Collections.reverse(ls);
StringBuffer sb = new StringBuffer();
sb.append("((");
for (int i = 0; i < lefts.size(); i++) {
if (i != 0) sb.append(" ");
sb.append(lefts.get(i).toString());
}
sb.append(") " + current.toString() + " (");
for (int i = 0; i < rights.size(); i++) {
if (i != 0) sb.append(" ");
sb.append(rights.get(i).toString());
}
sb.append("))\n");
return sb.toString();
}
public static <T> void out(LinkedList<T> list) {
for (T t : list) {
System.out.println(t.toString());
}
}
protected String getItemText(@NotNull T value) {
return value.toString();
}