1 /*
2 * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24 package runtime.valhalla.valuetypes;
25
26 import java.lang.reflect.Array;
27 import java.util.Arrays;
28 import java.util.ArrayList;
29 import java.util.List;
30
31 import static jdk.test.lib.Asserts.*;
32
33 /*
34 * @test ValueTypeArray
35 * @summary Plain array test for Value Types
36 * @library /test/lib
37 * @compile -XDemitQtypes -XDenableValueTypes -XDallowWithFieldOperator -XDallowFlattenabilityModifiers -XDallowGenericsOverValues ValueTypeArray.java Point.java Long8Value.java Person.java
38 * @run main/othervm -Xint -XX:+ValueArrayFlatten -XX:+EnableValhalla runtime.valhalla.valuetypes.ValueTypeArray
39 * @run main/othervm -Xint -XX:-ValueArrayFlatten -XX:+EnableValhalla runtime.valhalla.valuetypes.ValueTypeArray
40 * @run main/othervm -Xcomp -XX:+ValueArrayFlatten -XX:+EnableValhalla runtime.valhalla.valuetypes.ValueTypeArray
41 * @run main/othervm -Xcomp -XX:-ValueArrayFlatten -XX:+EnableValhalla runtime.valhalla.valuetypes.ValueTypeArray
42 */
43 public class ValueTypeArray {
44 public static void main(String[] args) {
45 ValueTypeArray valueTypeArray = new ValueTypeArray();
46 valueTypeArray.run();
47 }
48
49 public void run() {
50 testClassForName();
51 testSimplePointArray();
52 testLong8Array();
53 testMixedPersonArray();
54 testMultiDimPointArray();
55 testComposition();
56
57 testSanityCheckcasts();
58 testObjectArrayOfValues();
59
60 testReflectArray();
61 testUtilArrays();
62 }
63
64 void testClassForName() {
65 String arrayClsName = "[Lruntime.valhalla.valuetypes.Point;";
66 try {
67 Class<?> arrayCls = Class.forName(arrayClsName);
68 assertTrue(arrayCls.isArray(), "Expected an array class");
69 // array-of-L-type not supported yet
70 // the component type of a flattened value array is of the value type
71 // the component type of a non-flattened array is of the box type
72 assertTrue(arrayCls.getComponentType().asBoxType() == Point.class,
73 "Expected component type of Point.class got: " + arrayCls.getComponentType());
74
75 arrayClsName = "[" + arrayClsName;
76 Class<?> mulArrayCls = Class.forName(arrayClsName);
77 assertTrue(mulArrayCls.isArray());
78 assertTrue(mulArrayCls.getComponentType() == arrayCls);
79 }
80 catch (ClassNotFoundException cnfe) {
81 fail("Class.forName(" + arrayClsName + ") failed", cnfe);
82 }
83 }
84
85 void testSimplePointArray() {
86 Point[] defaultPoint = new Point[1];
87 Point p = defaultPoint[0];
88 assertEquals(p.x, 0, "invalid default loaded from array");
89 assertEquals(p.y, 0, "invalid default loaded from array");
90 boolean gotNpe = false;
91 try {
92 defaultPoint[0] = (Point) getNull();
93 } catch (NullPointerException npe) {
94 gotNpe = true;
95 }
96 assertTrue(gotNpe, "Expected NullPointerException");
97
98 Point[] points = createSimplePointArray();
99 checkSimplePointArray(points);
100 System.gc(); // check that VTs survive GC
101
102 assertTrue(points instanceof Point[], "Instance of");
103
104 Point[] pointsCopy = new Point[points.length];
105 System.arraycopy(points, 0, pointsCopy, 0, points.length);
106 checkSimplePointArray(pointsCopy);
107 }
108
109 static Point[] createSimplePointArray() {
110 Point[] ps = new Point[2];
111 assertEquals(ps.length, 2, "Length");
112 ps.toString();
113 ps[0] = Point.createPoint(1, 2);
114 ps[1] = Point.createPoint(3, 4);
115 boolean sawOob = false;
116 try {
117 ps[2] = Point.createPoint(0, 0);
118 } catch (ArrayIndexOutOfBoundsException aioobe) { sawOob = true; }
119 assertTrue(sawOob, "Didn't see AIOOBE");
120 System.gc(); // check that VTs survive GC
121 return ps;
122 }
123
124 static void checkSimplePointArray(Point[] points) {
125 assertEquals(points[0].x, 1, "invalid 0 point x value");
126 assertEquals(points[0].y, 2, "invalid 0 point y value");
127 assertEquals(points[1].x, 3, "invalid 1 point x value");
128 assertEquals(points[1].y, 4, "invalid 1 point y value");
129 }
130
131 void testLong8Array() {
132 Long8Value[] values = new Long8Value[3];
133 assertEquals(values.length, 3, "length");
134 values.toString();
135 Long8Value value = values[1];
136 long zl = 0;
137 Long8Value.check(value, zl, zl, zl, zl, zl, zl, zl, zl);
138 values[1] = Long8Value.create(1, 2, 3, 4, 5, 6, 7, 8);
139 value = values[1];
140 Long8Value.check(value, 1, 2, 3, 4, 5, 6, 7, 8);
141
142 Long8Value[] copy = new Long8Value[values.length];
143 System.arraycopy(values, 0, copy, 0, values.length);
144 value = copy[1];
145 Long8Value.check(value, 1, 2, 3, 4, 5, 6, 7, 8);
146 }
147
148 void testMixedPersonArray() {
149 Person[] people = new Person[3];
150
151 people[0] = Person.create(1, "First", "Last");
152 assertEquals(people[0].getId(), 1, "Invalid Id person");
153 assertEquals(people[0].getFirstName(), "First", "Invalid First Name");
154 assertEquals(people[0].getLastName(), "Last", "Invalid Last Name");
155
156 people[1] = Person.create(2, "Jane", "Wayne");
157 people[2] = Person.create(3, "Bob", "Dobalina");
158
159 Person[] peopleCopy = new Person[people.length];
160 System.arraycopy(people, 0, peopleCopy, 0, people.length);
161 assertEquals(peopleCopy[2].getId(), 3, "Invalid Id");
162 assertEquals(peopleCopy[2].getFirstName(), "Bob", "Invalid First Name");
163 assertEquals(peopleCopy[2].getLastName(), "Dobalina", "Invalid Last Name");
164 }
165
166 void testMultiDimPointArray() {
167 Point[][][] multiPoints = new Point[2][3][4];
168 assertEquals(multiPoints.length, 2, "1st dim length");
169 assertEquals(multiPoints[0].length, 3, "2st dim length");
170 assertEquals(multiPoints[0][0].length, 4, "3rd dim length");
171
172 Point defaultPoint = multiPoints[1][2][3];
173 assertEquals(defaultPoint.x, 0, "invalid point x value");
174 assertEquals(defaultPoint.y, 0, "invalid point x value");
175 }
176
177 void testReflectArray() {
178 // Check the java.lang.reflect.Array.newInstance methods...
179 Class<?> cls = (Class<?>) Point[].class;
180 Point[][] array = (Point[][]) Array.newInstance(cls, 1);
181 assertEquals(array.length, 1, "Incorrect length");
182 assertTrue(array[0] == null, "Expected NULL");
183
184 Point[][][] array3 = (Point[][][]) Array.newInstance(cls, 1, 2);
185 assertEquals(array3.length, 1, "Incorrect length");
186 assertEquals(array3[0].length, 2, "Incorrect length");
187 assertTrue(array3[0][0] == null, "Expected NULL");
188
189 // Now create ObjArrays of ValueArray...
190 cls = (Class<?>) Point.class;
191 array = (Point[][]) Array.newInstance(cls, 1, 2);
192 assertEquals(array.length, 1, "Incorrect length");
193 assertEquals(array[0].length, 2, "Incorrect length");
194 Point p = array[0][1];
195 int x = p.x;
196 assertEquals(x, 0, "Bad Point Value");
197 }
198
199 static final value class MyInt implements Comparable<MyInt> {
200 final int value;
201
202 private MyInt() { value = 0; }
203 public int getValue() { return value; }
204 public String toString() { return "MyInt: " + getValue(); }
205 public int compareTo(MyInt that) { return Integer.compare(this.getValue(), that.getValue()); }
206 public boolean equals(Object o) {
207 if (o instanceof MyInt) {
208 return this.getValue() == ((MyInt) o).getValue();
209 }
210 return false;
211 }
212
213 public static MyInt create(int v) {
214 MyInt mi = MyInt.default;
215 mi = __WithField(mi.value, v);
216 return mi;
217 }
218
219 public static final MyInt.box MIN = MyInt.create(Integer.MIN_VALUE);
220 public static final MyInt.box ZERO = MyInt.create(0);
221 public static final MyInt.box MAX = MyInt.create(Integer.MAX_VALUE);
222 }
223
224 static interface SomeSecondaryType {
225 default String hi() { return "Hi"; }
226 }
227
228 static final value class MyOtherInt implements SomeSecondaryType {
229 final int value;
230 private MyOtherInt() { value = 0; }
231 }
232
233 void testSanityCheckcasts() {
234 MyInt[] myInts = new MyInt[1];
235 assertTrue(myInts instanceof Object[]);
236 assertTrue(myInts instanceof Comparable[]);
237
238 Object arrObj = Array.newInstance(MyInt.class, 1);
239 assertTrue(arrObj instanceof Object[], "Not Object array");
240 assertTrue(arrObj instanceof Comparable[], "Not Comparable array");
241 assertTrue(arrObj instanceof MyInt[], "Not MyInt array");
242
243 Object[] arr = (Object[]) arrObj;
244 assertTrue(arr instanceof Comparable[], "Not Comparable array");
245 assertTrue(arr instanceof MyInt[], "Not MyInt array");
246 Comparable[] comparables = (Comparable[])arr;
247 MyInt[] myIntArr = (MyInt[]) arr;
248
249 // multi-dim, check secondary array types are setup...
250 MyOtherInt[][] matrix = new MyOtherInt[1][1];
251 assertTrue(matrix[0] instanceof MyOtherInt[]);
252 assertTrue(matrix[0] instanceof SomeSecondaryType[]);
253 }
254
255 void testUtilArrays() {
256 // Sanity check j.u.Arrays
257 MyInt[] myInts = new MyInt[] { MyInt.MAX, MyInt.MIN };
258 // Sanity sort another copy
259 MyInt[] copyMyInts = Arrays.copyOf(myInts, myInts.length + 1);
260 checkArrayElementsEqual(copyMyInts, new MyInt[] { myInts[0], myInts[1], MyInt.ZERO});
261
262 Arrays.sort(copyMyInts);
263 checkArrayElementsEqual(copyMyInts, new MyInt[] { MyInt.MIN, MyInt.ZERO, MyInt.MAX });
264
265 List myIntList = Arrays.asList(copyMyInts);
266 checkArrayElementsEqual(copyMyInts, myIntList.toArray(new MyInt[copyMyInts.length]));
267 // This next line needs testMixedLayoutArrays to work
268 checkArrayElementsEqual(copyMyInts, myIntList.toArray());
269
270 // Sanity check j.u.ArrayList
271 ArrayList<MyInt> aList = new ArrayList<MyInt>(Arrays.asList(copyMyInts));
272 assertTrue(aList.indexOf(MyInt.MIN) == 0, "Bad Index");
273 assertTrue(aList.indexOf(MyInt.ZERO) == 1, "Bad Index");
274 assertTrue(aList.indexOf(MyInt.MAX) == 2, "Bad Index");
275
276 aList.remove(2);
277 aList.add(MyInt.create(5));
278
279 // Interesting:
280 //aList.add((MyInt)getNull());
281
282 // javac currently generating "java/util/Objects.requireNonNull
283 // should checkcast treat null against Value class as CCE ?
284 // Then in the end, ArrayList.elementData is Object[], (that's why remove works)
285 // why can't I write add(null) then ?
286 }
287
288 void testObjectArrayOfValues() {
289 testSanityObjectArrays();
290 testMixedLayoutArrays();
291 }
292
293 void testSanityObjectArrays() {
294 Object[] objects = new Object[2];
295 assertTrue(objects[0] == null && objects[1] == null, "Not null ?");
296
297 objects[0] = MyInt.create(1);
298 objects[1] = Integer.valueOf(2);
299 assertTrue(objects[0].equals(MyInt.create(1)), "Bad Value");
300 assertTrue(objects[1].equals(Integer.valueOf(2)), "Bad Object");
301
302 Comparable[] copyComparables = new Comparable[objects.length];
303 System.arraycopy(objects, 0, copyComparables, 0, objects.length);
304 checkArrayElementsEqual(objects, copyComparables);
305
306 objects[0] = null;
307 objects[1] = null;
308 assertTrue(objects[0] == null && objects[1] == null, "Not null ?");
309
310 Comparable[] comparables = new Comparable[2];
311 assertTrue(comparables[0] == null && comparables[1] == null, "Not null ?");
312 comparables[0] = MyInt.create(3);
313 comparables[1] = Integer.valueOf(4);
314 assertTrue(comparables[0].equals(MyInt.create(3)), "Bad Value");
315 assertTrue(comparables[1].equals(Integer.valueOf(4)), "Bad Object");
316
317 Object[] copyObjects = new Object[2];
318 System.arraycopy(comparables, 0, copyObjects, 0, comparables.length);
319 checkArrayElementsEqual(comparables, copyObjects);
320
321 comparables[0] = null;
322 comparables[1] = null;
323 assertTrue(comparables[0] == null && comparables[1] == null, "Not null ?");
324 }
325
326 void testMixedLayoutArrays() {
327 Object[] objArray = new Object[3];
328 Comparable[] compArray = new Comparable[3];
329 MyInt[] valArray = new MyInt[] { MyInt.MIN, MyInt.ZERO, MyInt.MAX };
330
331 arrayCopy(valArray, 0, objArray, 0, 3);
332 checkArrayElementsEqual(valArray, objArray);
333 arrayCopy(valArray, 0, objArray, 0, 3);
334
335 objArray = new Object[3];
336 System.arraycopy(valArray, 0, objArray, 0, 3);
337 checkArrayElementsEqual(valArray, objArray);
338
339 System.arraycopy(valArray, 0, compArray, 0, 3);
340 checkArrayElementsEqual(valArray, compArray);
341
342 valArray = new MyInt[] { MyInt.ZERO, MyInt.ZERO, MyInt.ZERO };
343 System.arraycopy(compArray, 0, valArray, 0, 3);
344 checkArrayElementsEqual(valArray, compArray);
345
346 valArray = new MyInt[] { MyInt.ZERO, MyInt.ZERO, MyInt.ZERO };
347 System.arraycopy(objArray, 0, valArray, 0, 3);
348 checkArrayElementsEqual(valArray, objArray);
349
350 // Sanity check dst == src
351 System.arraycopy(valArray, 0, valArray, 0, 3);
352 checkArrayElementsEqual(valArray, objArray);
353
354 objArray[0] = "Not a value object";
355 try {
356 System.arraycopy(objArray, 0, valArray, 0, 3);
357 throw new RuntimeException("Expected ArrayStoreException");
358 } catch (ArrayStoreException ase) {}
359 }
360
361 static final value class MyPoint {
362 final MyInt.val x;
363 final MyInt y;
364
365 private MyPoint() {
366 x = MyInt.ZERO;
367 y = x;
368 }
369 public boolean equals(Object that) {
370 if (that instanceof MyPoint) {
371 MyPoint thatPoint = (MyPoint) that;
372 return x.equals(thatPoint.x) && java.util.Objects.equals(y, thatPoint.y);
373 }
374 return false;
375 }
376 static MyPoint create(int x) {
377 MyPoint mp = MyPoint.default;
378 mp = __WithField(mp.x, MyInt.create(x));
379 return mp;
380 }
381 static MyPoint create(int x, int y) {
382 MyPoint mp = MyPoint.default;
383 mp = __WithField(mp.x, MyInt.create(x));
384 mp = __WithField(mp.y, MyInt.create(y));
385 return mp;
386 }
387 static final MyPoint.box ORIGIN = create(0);
388 }
389
390 void testComposition() {
391 // Test array operations with compostion of values, check element payload is correct...
392 MyPoint a = MyPoint.create(1, 2);
393 MyPoint b = MyPoint.create(7, 21);
394 MyPoint c = MyPoint.create(Integer.MAX_VALUE, Integer.MIN_VALUE);
395
396 MyPoint[] pts = new MyPoint[3];
397 if (!pts[0].equals(MyPoint.ORIGIN)) {
398 throw new RuntimeException("Equals failed: " + pts[0] + " vs " + MyPoint.ORIGIN);
399 }
400 pts = new MyPoint[] { a, b, c };
401 checkArrayElementsEqual(pts, new Object[] { a, b, c});
402 Object[] oarr = new Object[3];
403
404 arrayCopy(pts, 0, oarr, 0, 3);
405 checkArrayElementsEqual(pts, oarr);
406
407 oarr = new Object[3];
408 System.arraycopy(pts, 0, oarr, 0, 3);
409 checkArrayElementsEqual(pts, oarr);
410
411 System.arraycopy(oarr, 0, pts, 0, 3);
412 checkArrayElementsEqual(pts, oarr);
413
414 oarr = new Object[3];
415 try {
416 System.arraycopy(oarr, 0, pts, 0, 3);
417 throw new RuntimeException("Expected NPE");
418 }
419 catch (NullPointerException npe) {}
420
421 oarr = new Object[3];
422 oarr[0] = new Object();
423 try {
424 System.arraycopy(oarr, 0, pts, 0, 3);
425 throw new RuntimeException("Expected ASE");
426 }
427 catch (ArrayStoreException ase) {}
428 }
429
430 void checkArrayElementsEqual(Object[] arr1, Object[] arr2) {
431 assertTrue(arr1.length == arr2.length, "Bad length");
432 for (int i = 0; i < arr1.length; i++) {
433 assertTrue(java.util.Objects.equals(arr1[i], arr2[i]), "Element " + i + " not equal");
434 }
435 }
436
437 void arrayCopy(Object[] src, int srcPos, Object[] dst, int dstPos, int length) {
438 for (int i = 0; i < length ; i++) {
439 dst[dstPos++] = src[srcPos++];
440 }
441 }
442
443 Object getNull() { return null; }
444
445 }