2025-12-27 04:56:04 +00:00

695 lines
20 KiB
Java

/*
* Copyright (c) 2024, 2025, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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*/
/*
* @test
* @summary Test basic functionality of Verify implementations.
* @modules java.base/jdk.internal.misc
* @library /test/lib /
* @run driver ${test.main.class}
*/
package verify.tests;
import java.lang.foreign.*;
import java.util.Random;
import jdk.test.lib.Utils;
import compiler.lib.verify.*;
public class TestVerify {
private static final Random RANDOM = Utils.getRandomInstance();
public static void main(String[] args) {
// Test consecutive memory: array, MemorySegment, etc.
testArrayByte();
testArrayChar();
testArrayShort();
testArrayInt();
testArrayLong();
testArrayFloat();
testArrayDouble();
testNativeMemorySegment();
testException();
testRawFloat();
// Test recursive data: Object array of values, etc.
testRecursive();
testArbitraryClasses();
}
public static void testArrayByte() {
byte[] a = new byte[1000];
byte[] b = new byte[1001];
byte[] c = new byte[1000];
Verify.checkEQ(a, a);
Verify.checkEQ(b, b);
Verify.checkEQ(a, c);
Verify.checkEQ(c, a);
Verify.checkEQ(MemorySegment.ofArray(a), MemorySegment.ofArray(a));
Verify.checkEQ(MemorySegment.ofArray(b), MemorySegment.ofArray(b));
Verify.checkEQ(MemorySegment.ofArray(a), MemorySegment.ofArray(c));
Verify.checkEQ(MemorySegment.ofArray(c), MemorySegment.ofArray(a));
// Size mismatch
checkNE(a, b);
// Size mismatch
checkNE(MemorySegment.ofArray(a), MemorySegment.ofArray(b));
c[RANDOM.nextInt(c.length)] = 1;
// Value mismatch
checkNE(a, c);
// Value mismatch
checkNE(MemorySegment.ofArray(a), MemorySegment.ofArray(c));
}
public static void testArrayShort() {
short[] a = new short[1000];
short[] b = new short[1001];
short[] c = new short[1000];
Verify.checkEQ(a, a);
Verify.checkEQ(b, b);
Verify.checkEQ(a, c);
Verify.checkEQ(c, a);
Verify.checkEQ(MemorySegment.ofArray(a), MemorySegment.ofArray(a));
Verify.checkEQ(MemorySegment.ofArray(b), MemorySegment.ofArray(b));
Verify.checkEQ(MemorySegment.ofArray(a), MemorySegment.ofArray(c));
Verify.checkEQ(MemorySegment.ofArray(c), MemorySegment.ofArray(a));
// Size mismatch
checkNE(a, b);
// Size mismatch
checkNE(MemorySegment.ofArray(a), MemorySegment.ofArray(b));
c[RANDOM.nextInt(c.length)] = 1;
// Value mismatch
checkNE(a, c);
// Value mismatch
checkNE(MemorySegment.ofArray(a), MemorySegment.ofArray(c));
}
public static void testArrayChar() {
char[] a = new char[1000];
char[] b = new char[1001];
char[] c = new char[1000];
Verify.checkEQ(a, a);
Verify.checkEQ(b, b);
Verify.checkEQ(a, c);
Verify.checkEQ(c, a);
Verify.checkEQ(MemorySegment.ofArray(a), MemorySegment.ofArray(a));
Verify.checkEQ(MemorySegment.ofArray(b), MemorySegment.ofArray(b));
Verify.checkEQ(MemorySegment.ofArray(a), MemorySegment.ofArray(c));
Verify.checkEQ(MemorySegment.ofArray(c), MemorySegment.ofArray(a));
// Size mismatch
checkNE(a, b);
// Size mismatch
checkNE(MemorySegment.ofArray(a), MemorySegment.ofArray(b));
c[RANDOM.nextInt(c.length)] = 1;
// Value mismatch
checkNE(a, c);
// Value mismatch
checkNE(MemorySegment.ofArray(a), MemorySegment.ofArray(c));
}
public static void testArrayInt() {
int[] a = new int[1000];
int[] b = new int[1001];
int[] c = new int[1000];
Verify.checkEQ(a, a);
Verify.checkEQ(b, b);
Verify.checkEQ(a, c);
Verify.checkEQ(c, a);
Verify.checkEQ(MemorySegment.ofArray(a), MemorySegment.ofArray(a));
Verify.checkEQ(MemorySegment.ofArray(b), MemorySegment.ofArray(b));
Verify.checkEQ(MemorySegment.ofArray(a), MemorySegment.ofArray(c));
Verify.checkEQ(MemorySegment.ofArray(c), MemorySegment.ofArray(a));
// Size mismatch
checkNE(a, b);
// Size mismatch
checkNE(MemorySegment.ofArray(a), MemorySegment.ofArray(b));
c[RANDOM.nextInt(c.length)] = 1;
// Value mismatch
checkNE(a, c);
// Value mismatch
checkNE(MemorySegment.ofArray(a), MemorySegment.ofArray(c));
}
public static void testArrayLong() {
long[] a = new long[1000];
long[] b = new long[1001];
long[] c = new long[1000];
Verify.checkEQ(a, a);
Verify.checkEQ(b, b);
Verify.checkEQ(a, c);
Verify.checkEQ(c, a);
Verify.checkEQ(MemorySegment.ofArray(a), MemorySegment.ofArray(a));
Verify.checkEQ(MemorySegment.ofArray(b), MemorySegment.ofArray(b));
Verify.checkEQ(MemorySegment.ofArray(a), MemorySegment.ofArray(c));
Verify.checkEQ(MemorySegment.ofArray(c), MemorySegment.ofArray(a));
// Size mismatch
checkNE(a, b);
// Size mismatch
checkNE(MemorySegment.ofArray(a), MemorySegment.ofArray(b));
c[RANDOM.nextInt(c.length)] = 1;
// Value mismatch
checkNE(a, c);
// Value mismatch
checkNE(MemorySegment.ofArray(a), MemorySegment.ofArray(c));
}
public static void testArrayFloat() {
float[] a = new float[1000];
float[] b = new float[1001];
float[] c = new float[1000];
Verify.checkEQ(a, a);
Verify.checkEQ(b, b);
Verify.checkEQ(a, c);
Verify.checkEQ(c, a);
Verify.checkEQ(MemorySegment.ofArray(a), MemorySegment.ofArray(a));
Verify.checkEQ(MemorySegment.ofArray(b), MemorySegment.ofArray(b));
Verify.checkEQ(MemorySegment.ofArray(a), MemorySegment.ofArray(c));
Verify.checkEQ(MemorySegment.ofArray(c), MemorySegment.ofArray(a));
// Size mismatch
checkNE(a, b);
// Size mismatch
checkNE(MemorySegment.ofArray(a), MemorySegment.ofArray(b));
c[RANDOM.nextInt(c.length)] = 1;
// Value mismatch
checkNE(a, c);
// Value mismatch
checkNE(MemorySegment.ofArray(a), MemorySegment.ofArray(c));
}
public static void testArrayDouble() {
double[] a = new double[1000];
double[] b = new double[1001];
double[] c = new double[1000];
Verify.checkEQ(a, a);
Verify.checkEQ(b, b);
Verify.checkEQ(a, c);
Verify.checkEQ(c, a);
Verify.checkEQ(MemorySegment.ofArray(a), MemorySegment.ofArray(a));
Verify.checkEQ(MemorySegment.ofArray(b), MemorySegment.ofArray(b));
Verify.checkEQ(MemorySegment.ofArray(a), MemorySegment.ofArray(c));
Verify.checkEQ(MemorySegment.ofArray(c), MemorySegment.ofArray(a));
// Size mismatch
checkNE(a, b);
// Size mismatch
checkNE(MemorySegment.ofArray(a), MemorySegment.ofArray(b));
c[RANDOM.nextInt(c.length)] = 1;
// Value mismatch
checkNE(a, c);
// Value mismatch
checkNE(MemorySegment.ofArray(a), MemorySegment.ofArray(c));
}
public static void testNativeMemorySegment() {
MemorySegment a = Arena.ofAuto().allocate(1000, 1);
MemorySegment b = Arena.ofAuto().allocate(1001, 1);
MemorySegment c = Arena.ofAuto().allocate(1000, 1);
Verify.checkEQ(a, a);
Verify.checkEQ(b, b);
Verify.checkEQ(a, c);
Verify.checkEQ(c, a);
// Size mismatch
checkNE(a, b);
c.set(ValueLayout.JAVA_BYTE, RANDOM.nextLong(c.byteSize()), (byte)1);
// Value mismatch
checkNE(a, c);
}
public static void testException() {
Exception e1 = new ArithmeticException("abc");
Exception e2 = new ArithmeticException("abc");
Exception e3 = new ArithmeticException();
Exception e4 = new ArithmeticException("xyz");
Exception e5 = new RuntimeException("abc");
Verify.checkEQ(e1, e1);
Verify.checkEQ(e1, e2);
Verify.checkEQ(e3, e3);
Verify.checkEQ(e1, e3); // one has no message
checkNE(e1, e4);
checkNE(e2, e4);
Verify.checkEQ(e3, e4);
Verify.checkEQ(e5, e5);
checkNE(e1, e5);
checkNE(e2, e5);
checkNE(e3, e5);
checkNE(e4, e5);
}
public static void testRawFloat() {
float nanF1 = Float.intBitsToFloat(0x7f800001);
float nanF2 = Float.intBitsToFloat(0x7fffffff);
double nanD1 = Double.longBitsToDouble(0x7ff0000000000001L);
double nanD2 = Double.longBitsToDouble(0x7fffffffffffffffL);
float[] arrF1 = new float[]{nanF1};
float[] arrF2 = new float[]{nanF2};
double[] arrD1 = new double[]{nanD1};
double[] arrD2 = new double[]{nanD2};
Verify.checkEQ(nanF1, Float.NaN);
Verify.checkEQ(nanF1, nanF1);
Verify.checkEQWithRawBits(nanF1, nanF1);
Verify.checkEQ(nanF1, nanF2);
Verify.checkEQ(nanD1, Double.NaN);
Verify.checkEQ(nanD1, nanD1);
Verify.checkEQWithRawBits(nanD1, nanD1);
Verify.checkEQ(nanD1, nanD2);
Verify.checkEQ(arrF1, arrF1);
Verify.checkEQWithRawBits(arrF1, arrF1);
Verify.checkEQ(arrF1, arrF2);
Verify.checkEQ(arrD1, arrD1);
Verify.checkEQWithRawBits(arrD1, arrD1);
Verify.checkEQ(arrD1, arrD2);
checkNEWithRawBits(nanF1, nanF2);
checkNEWithRawBits(nanD1, nanD2);
checkNEWithRawBits(arrF1, arrF2);
checkNEWithRawBits(arrD1, arrD2);
}
public static void testRecursive() {
Verify.checkEQ(null, null);
// Null mismatch
checkNE(42, null);
byte[] a = new byte[1000];
int[] b = new int[1000];
int[] c = new int[1001];
int[] d = new int[1000];
Object[] o1 = new Object[]{a, a};
Object[] o2 = new Object[]{a, a, a};
Object[] o3 = new Object[]{a, a, null};
Object[] o4 = new Object[]{a, a, b};
Object[] o5 = new Object[]{a, a, c};
Object[] o6 = new Object[]{a, a, d};
Verify.checkEQ(o1, o1);
Verify.checkEQ(o2, o2);
Verify.checkEQ(o3, o3);
Verify.checkEQ(o4, o6);
// Size mismatch
checkNE(o1, o2);
// First level value mismatch: a vs null on position 2
checkNE(o2, o3);
// First level class mismatch: byte[] vs int[]
checkNE(o2, o4);
// Second level length mismatch on arrays b and c.
checkNE(o4, o5);
d[RANDOM.nextInt(d.length)] = 1;
// Second level value mismatch between b and d.
checkNE(o4, o6);
// Now test all primitive array types.
byte[] aB = new byte[100];
char[] aC = new char[100];
short[] aS = new short[100];
int[] aI = new int[100];
long[] aL = new long[100];
float[] aF = new float[100];
double[] aD = new double[100];
Verify.checkEQ(new Object[] {aB, aC, aS, aI, aL, aF, aD}, new Object[] {aB, aC, aS, aI, aL, aF, aD});
// First level class mismatch: char[] vs short[]
checkNE(new Object[] {aC}, new Object[] {aS});
// Verify MemorySegment
MemorySegment mC = MemorySegment.ofArray(aC);
MemorySegment mS = MemorySegment.ofArray(aS);
Verify.checkEQ(new Object[] {mC}, new Object[] {mC});
Verify.checkEQ(new Object[] {mS}, new Object[] {mS});
// Second level type mismatch: backing type short[] vs char[]
checkNE(new Object[] {mC}, new Object[] {mS});
// Second level type mismatch: backing type int[] vs char[]
MemorySegment mI = MemorySegment.ofArray(aI);
checkNE(new Object[] {mI}, new Object[] {mC});
// Verify boxed primitives:
Byte bb1 = 42;
Byte bb2 = 42;
Byte bb3 = 11;
Verify.checkEQ(new Object[] {(byte)42}, new Object[] {(byte)42});
Verify.checkEQ(new Object[] {(byte)42}, new Object[] {bb1});
Verify.checkEQ(new Object[] {bb1}, new Object[] {bb2});
// Second level value mismatch: 42 vs 11
checkNE(new Object[] {bb1}, new Object[] {bb3});
Verify.checkEQ((byte)42, (byte)42);
Verify.checkEQ((short)42, (short)42);
Verify.checkEQ((char)42, (char)42);
Verify.checkEQ((int)42, (int)42);
Verify.checkEQ((long)42, (long)42);
Verify.checkEQ((float)42, (float)42);
Verify.checkEQ((double)42, (double)42);
// Boxed type mismatch: float vs int
checkNE((int)42, (float)42);
// Boxed value mismatch.
for (int i = 0; i < 10; i++) {
byte v1 = (byte)RANDOM.nextInt();
byte v2 = (byte)(v1 ^ (1 << RANDOM.nextInt(8)));
checkNE(v1, v2);
}
for (int i = 0; i < 10; i++) {
char v1 = (char)RANDOM.nextInt();
char v2 = (char)(v1 ^ (1 << RANDOM.nextInt(16)));
checkNE(v1, v2);
}
for (int i = 0; i < 10; i++) {
char v1 = (char)RANDOM.nextInt();
char v2 = (char)(v1 ^ (1 << RANDOM.nextInt(16)));
checkNE(v1, v2);
}
for (int i = 0; i < 10; i++) {
int v1 = (int)RANDOM.nextInt();
int v2 = (int)(v1 ^ (1 << RANDOM.nextInt(32)));
checkNE(v1, v2);
checkNEWithRawBits(Float.intBitsToFloat(v1), Float.intBitsToFloat(v2));
}
for (int i = 0; i < 10; i++) {
long v1 = (long)RANDOM.nextLong();
long v2 = (long)(v1 ^ (1L << RANDOM.nextInt(64)));
checkNE(v1, v2);
checkNEWithRawBits(Double.longBitsToDouble(v1), Double.longBitsToDouble(v2));
}
}
static class A {}
static class B {}
static class C extends B {}
static class D {
D(int x) {
this.x = x;
}
private int x;
}
static class E {
E(D d, E e1, E e2) {
this.d = d;
this.e1 = e1;
this.e2 = e2;
}
private D d;
public E e1;
public E e2;
}
static class F {
private int x;
public F(int x) {
this.x = x;
}
}
static class F2 extends F {
private int y;
F2(int x, int y) {
super(x);
this.y = y;
}
}
static class G {
private float x;
private float y;
public G(float x, float y) {
this.x = x;
this.y = y;
}
}
public static class H1 {
public boolean bool = true;
public byte b = (byte)242;
public short s = (short)24242;
public char c = (char)24242;
public int i = 1335836768;
public long l = 4242424242L;
public float f = 42.0f;
public double d = 42.0;
public H1() {}
}
public static class H2 extends H1 {
public H1 h1 = new H1();
public H2() {}
}
static record R1() {}
static record R2() {}
static record R3(int x, int y) {}
static record R4(R4 x, R4 y) {}
public static void testArbitraryClasses() {
A a1 = new A();
A a2 = new A();
B b1 = new B();
B b2 = new B();
C c1 = new C();
C c2 = new C();
// Structurally equivalent.
Verify.checkEQ(a1, a1);
Verify.checkEQ(a1, a2);
Verify.checkEQ(b1, b1);
Verify.checkEQ(b1, b2);
Verify.checkEQ(c1, c1);
Verify.checkEQ(c1, c2);
// Must fail because of different classes.
checkNE(a1, b1);
checkNE(b1, a1);
checkNE(a1, c1);
checkNE(c1, a1);
checkNE(b1, c1);
checkNE(c1, b1);
// Objects with primitive values.
D d1 = new D(1);
D d2 = new D(1);
D d3 = new D(2);
Verify.checkEQ(d1, d1);
Verify.checkEQ(d1, d2);
Verify.checkEQ(d2, d1);
checkNE(d1, d3);
checkNE(d3, d1);
// Object fields, including cycles.
E e1 = new E(d1, null, null);
E e2 = new E(d1, null, null);
E e3 = new E(d3, null, null);
E e4 = new E(d1, e1, null);
E e5 = new E(d1, e2, null);
E e6 = new E(d1, null, null);
e6.e1 = e6;
E e7 = new E(d1, null, null);
e7.e1 = e7;
E e8 = new E(d1, e1, e1);
E e9 = new E(d1, e1, e2);
Verify.checkEQ(e1, e1);
Verify.checkEQ(e1, e2);
Verify.checkEQ(e2, e1);
checkNE(e1, e3);
checkNE(e3, e1);
Verify.checkEQ(e6, e6);
Verify.checkEQ(e6, e7);
Verify.checkEQ(e7, e6);
Verify.checkEQ(e8, e8);
checkNE(e8, e9);
checkNE(e9, e8);
// Fields from superclass.
F2 f1 = new F2(1, 1);
F2 f2 = new F2(1, 1);
F2 f3 = new F2(2, 1);
F2 f4 = new F2(1, 2);
Verify.checkEQ(f1, f1);
Verify.checkEQ(f1, f2);
Verify.checkEQ(f2, f1);
checkNE(f1, f3);
checkNE(f1, f4);
checkNE(f3, f1);
checkNE(f4, f1);
checkNE(f3, f4);
checkNE(f4, f3);
G g1 = new G(1.0f, 1.0f);
G g2 = new G(1.0f, 1.0f);
G g3 = new G(Float.NaN, Float.NaN);
G g4 = new G(Float.NaN, Float.NaN);
Verify.checkEQ(g1, g1);
Verify.checkEQ(g2, g1);
Verify.checkEQ(g1, g2);
Verify.checkEQ(g3, g3);
Verify.checkEQ(g3, g4);
Verify.checkEQ(g4, g3);
checkNE(g1, g3);
checkNE(g3, g1);
// Nested class with primitive types, where the boxed types may not be cached,
// and so they would create different boxed objects.
Verify.checkEQ(new H2(), new H2());
// Records.
R1 r11 = new R1();
R1 r12 = new R1();
R2 r21 = new R2();
R3 r31 = new R3(1, 1);
R3 r32 = new R3(1, 1);
R3 r33 = new R3(1, 2);
R3 r34 = new R3(2, 1);
Verify.checkEQ(r11, r11);
Verify.checkEQ(r11, r12);
Verify.checkEQ(r12, r11);
checkNE(r11, r21);
Verify.checkEQ(r31, r31);
Verify.checkEQ(r31, r32);
Verify.checkEQ(r32, r31);
checkNE(r31, r33);
checkNE(r33, r31);
checkNE(r31, r34);
checkNE(r34, r31);
checkNE(r33, r34);
R4 r41 = new R4(null, null);
R4 r42 = new R4(null, null);
R4 r43 = new R4(r41, null);
R4 r44 = new R4(r42, null);
R4 r45 = new R4(r43, r41);
R4 r46 = new R4(r44, r42);
R4 r47 = new R4(r44, r41);
Verify.checkEQ(r45, r46);
Verify.checkEQ(r46, r45);
checkNE(r45, r47);
checkNE(r47, r45);
checkNE(r46, r47);
checkNE(r47, r46);
}
public static void checkNE(Object a, Object b) {
try {
Verify.checkEQ(a, b);
throw new RuntimeException("Should have thrown: " + a + " vs " + b);
} catch (VerifyException e) {}
}
public static void checkNEWithRawBits(Object a, Object b) {
try {
Verify.checkEQWithRawBits(a, b);
throw new RuntimeException("Should have thrown: " + a + " vs " + b);
} catch (VerifyException e) {}
}
}