1 /*
2 * Copyright (c) 2018, 2019, 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:ValueArrayElemMaxFlatSize=-1 -XX:+EnableValhalla runtime.valhalla.valuetypes.ValueTypeArray
39 * @run main/othervm -Xint -XX:ValueArrayElemMaxFlatSize=0 -XX:+EnableValhalla runtime.valhalla.valuetypes.ValueTypeArray
40 * @run main/othervm -Xcomp -XX:ValueArrayElemMaxFlatSize=-1 -XX:+EnableValhalla runtime.valhalla.valuetypes.ValueTypeArray
41 * @run main/othervm -Xcomp -XX:ValueArrayElemMaxFlatSize=0 -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 // TODO Re-enable if value type arrays become covariant with object arrays
235 /*
236
237 MyInt[] myInts = new MyInt[1];
238 assertTrue(myInts instanceof Object[]);
239 assertTrue(myInts instanceof Comparable[]);
240
241 Object arrObj = Array.newInstance(MyInt.class, 1);
242 assertTrue(arrObj instanceof Object[], "Not Object array");
243 assertTrue(arrObj instanceof Comparable[], "Not Comparable array");
244 assertTrue(arrObj instanceof MyInt[], "Not MyInt array");
245
246 Object[] arr = (Object[]) arrObj;
247 assertTrue(arr instanceof Comparable[], "Not Comparable array");
248 assertTrue(arr instanceof MyInt[], "Not MyInt array");
249 Comparable[] comparables = (Comparable[])arr;
250 MyInt[] myIntArr = (MyInt[]) arr;
251
252 // multi-dim, check secondary array types are setup...
253 MyOtherInt[][] matrix = new MyOtherInt[1][1];
254 assertTrue(matrix[0] instanceof MyOtherInt[]);
255 assertTrue(matrix[0] instanceof SomeSecondaryType[]);
256 */
257 }
258
259 /*
260 * Comment out this test because value type arrays are not assignable to the array
261 * parameter types used by the methods in class java.util.Arrays.
262 *
263 void testUtilArrays() {
264 // Sanity check j.u.Arrays
265 MyInt[] myInts = new MyInt[] { MyInt.MAX, MyInt.MIN };
266 // Sanity sort another copy
267 MyInt[] copyMyInts = Arrays.copyOf(myInts, myInts.length + 1);
268 checkArrayElementsEqual(copyMyInts, new MyInt[] { myInts[0], myInts[1], MyInt.ZERO});
269
270 Arrays.sort(copyMyInts);
271 checkArrayElementsEqual(copyMyInts, new MyInt[] { MyInt.MIN, MyInt.ZERO, MyInt.MAX });
272
273 List myIntList = Arrays.asList(copyMyInts);
274 checkArrayElementsEqual(copyMyInts, myIntList.toArray(new MyInt[copyMyInts.length]));
275 // This next line needs testMixedLayoutArrays to work
276 checkArrayElementsEqual(copyMyInts, myIntList.toArray());
277
278 // Sanity check j.u.ArrayList
279 ArrayList<MyInt> aList = new ArrayList<MyInt>(Arrays.asList(copyMyInts));
280 assertTrue(aList.indexOf(MyInt.MIN) == 0, "Bad Index");
281 assertTrue(aList.indexOf(MyInt.ZERO) == 1, "Bad Index");
282 assertTrue(aList.indexOf(MyInt.MAX) == 2, "Bad Index");
283
284 aList.remove(2);
285 aList.add(MyInt.create(5));
286
287 // Interesting:
288 //aList.add((MyInt)getNull());
289
290 // javac currently generating "java/util/Objects.requireNonNull
291 // should checkcast treat null against Value class as CCE ?
292 // Then in the end, ArrayList.elementData is Object[], (that's why remove works)
293 // why can't I write add(null) then ?
294 }
295 */
296
297 void testObjectArrayOfValues() {
298 testSanityObjectArrays();
299 testMixedLayoutArrays();
300 }
301
302 void testSanityObjectArrays() {
303 Object[] objects = new Object[2];
304 assertTrue(objects[0] == null && objects[1] == null, "Not null ?");
305
306 objects[0] = MyInt.create(1);
307 objects[1] = Integer.valueOf(2);
308 assertTrue(objects[0].equals(MyInt.create(1)), "Bad Value");
309 assertTrue(objects[1].equals(Integer.valueOf(2)), "Bad Object");
310
311 Comparable[] copyComparables = new Comparable[objects.length];
312 System.arraycopy(objects, 0, copyComparables, 0, objects.length);
313 checkArrayElementsEqual(objects, copyComparables);
314
315 objects[0] = null;
316 objects[1] = null;
317 assertTrue(objects[0] == null && objects[1] == null, "Not null ?");
318
319 Comparable[] comparables = new Comparable[2];
320 assertTrue(comparables[0] == null && comparables[1] == null, "Not null ?");
321 comparables[0] = MyInt.create(3);
322 comparables[1] = Integer.valueOf(4);
323 assertTrue(comparables[0].equals(MyInt.create(3)), "Bad Value");
324 assertTrue(comparables[1].equals(Integer.valueOf(4)), "Bad Object");
325
326 Object[] copyObjects = new Object[2];
327 System.arraycopy(comparables, 0, copyObjects, 0, comparables.length);
328 checkArrayElementsEqual(comparables, copyObjects);
329
330 comparables[0] = null;
331 comparables[1] = null;
332 assertTrue(comparables[0] == null && comparables[1] == null, "Not null ?");
333 }
334
335 void testMixedLayoutArrays() {
336 Object[] objArray = new Object[3];
337 Comparable[] compArray = new Comparable[3];
338 MyInt[] valArray = new MyInt[] { MyInt.MIN, MyInt.ZERO, MyInt.MAX };
339
340 arrayCopy(valArray, 0, objArray, 0, 3);
341 checkArrayElementsEqual(valArray, objArray);
342 arrayCopy(valArray, 0, objArray, 0, 3);
343
344 objArray = new Object[3];
345 System.arraycopy(valArray, 0, objArray, 0, 3);
346 checkArrayElementsEqual(valArray, objArray);
347
348 System.arraycopy(valArray, 0, compArray, 0, 3);
349 checkArrayElementsEqual(valArray, compArray);
350
351 valArray = new MyInt[] { MyInt.ZERO, MyInt.ZERO, MyInt.ZERO };
352 System.arraycopy(compArray, 0, valArray, 0, 3);
353 checkArrayElementsEqual(valArray, compArray);
354
355 valArray = new MyInt[] { MyInt.ZERO, MyInt.ZERO, MyInt.ZERO };
356 System.arraycopy(objArray, 0, valArray, 0, 3);
357 checkArrayElementsEqual(valArray, objArray);
358
359 // Sanity check dst == src
360 System.arraycopy(valArray, 0, valArray, 0, 3);
361 checkArrayElementsEqual(valArray, objArray);
362
363 objArray[0] = "Not a value object";
364 try {
365 System.arraycopy(objArray, 0, valArray, 0, 3);
366 throw new RuntimeException("Expected ArrayStoreException");
367 } catch (ArrayStoreException ase) {}
368 }
369
370 static final value class MyPoint {
371 final MyInt.val x;
372 final MyInt y;
373
374 private MyPoint() {
375 x = MyInt.ZERO;
376 y = x;
377 }
378 public boolean equals(Object that) {
379 if (that instanceof MyPoint) {
380 MyPoint thatPoint = (MyPoint) that;
381 return x.equals(thatPoint.x) && java.util.Objects.equals(y, thatPoint.y);
382 }
383 return false;
384 }
385 static MyPoint create(int x) {
386 MyPoint mp = MyPoint.default;
387 mp = __WithField(mp.x, MyInt.create(x));
388 return mp;
389 }
390 static MyPoint create(int x, int y) {
391 MyPoint mp = MyPoint.default;
392 mp = __WithField(mp.x, MyInt.create(x));
393 mp = __WithField(mp.y, MyInt.create(y));
394 return mp;
395 }
396 static final MyPoint.box ORIGIN = create(0);
397 }
398
399 void testComposition() {
400 // Test array operations with compostion of values, check element payload is correct...
401 MyPoint a = MyPoint.create(1, 2);
402 MyPoint b = MyPoint.create(7, 21);
403 MyPoint c = MyPoint.create(Integer.MAX_VALUE, Integer.MIN_VALUE);
404
405 MyPoint[] pts = new MyPoint[3];
406 if (!pts[0].equals(MyPoint.ORIGIN)) {
407 throw new RuntimeException("Equals failed: " + pts[0] + " vs " + MyPoint.ORIGIN);
408 }
409 pts = new MyPoint[] { a, b, c };
410 checkArrayElementsEqual(pts, new Object[] { a, b, c});
411 Object[] oarr = new Object[3];
412
413 arrayCopy(pts, 0, oarr, 0, 3);
414 checkArrayElementsEqual(pts, oarr);
415
416 oarr = new Object[3];
417 System.arraycopy(pts, 0, oarr, 0, 3);
418 checkArrayElementsEqual(pts, oarr);
419
420 System.arraycopy(oarr, 0, pts, 0, 3);
421 checkArrayElementsEqual(pts, oarr);
422
423 oarr = new Object[3];
424 try {
425 System.arraycopy(oarr, 0, pts, 0, 3);
426 throw new RuntimeException("Expected NPE");
427 }
428 catch (NullPointerException npe) {}
429
430 oarr = new Object[3];
431 oarr[0] = new Object();
432 try {
433 System.arraycopy(oarr, 0, pts, 0, 3);
434 throw new RuntimeException("Expected ASE");
435 }
436 catch (ArrayStoreException ase) {}
437 }
438
439 void checkArrayElementsEqual(MyInt[] arr1, Object[] arr2) {
440 assertTrue(arr1.length == arr2.length, "Bad length");
441 for (int i = 0; i < arr1.length; i++) {
442 assertTrue(java.util.Objects.equals(arr1[i], arr2[i]), "Element " + i + " not equal");
443 }
444 }
445
446 void checkArrayElementsEqual(MyPoint[] arr1, Object[] arr2) {
447 assertTrue(arr1.length == arr2.length, "Bad length");
448 for (int i = 0; i < arr1.length; i++) {
449 assertTrue(java.util.Objects.equals(arr1[i], arr2[i]), "Element " + i + " not equal");
450 }
451 }
452
453 void checkArrayElementsEqual(Object[] arr1, Object[] arr2) {
454 assertTrue(arr1.length == arr2.length, "Bad length");
455 for (int i = 0; i < arr1.length; i++) {
456 assertTrue(java.util.Objects.equals(arr1[i], arr2[i]), "Element " + i + " not equal");
457 }
458 }
459
460 void arrayCopy(MyInt[] src, int srcPos, Object[] dst, int dstPos, int length) {
461 for (int i = 0; i < length ; i++) {
462 dst[dstPos++] = src[srcPos++];
463 }
464 }
465 void arrayCopy(MyPoint[] src, int srcPos, Object[] dst, int dstPos, int length) {
466 for (int i = 0; i < length ; i++) {
467 dst[dstPos++] = src[srcPos++];
468 }
469 }
470
471 Object getNull() { return null; }
472
473 }
--- EOF ---