1 /* 2 * Copyright (c) 2018, 2024, 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 /* 25 * @ignore Fix JDK-8328438 26 * @test 27 * @summary Test basic verifier assignability of inline types. 28 * @enablePreview 29 * @compile VTAssignability.java 30 * @run main/othervm -Xverify:remote VTAssignability 31 */ 32 33 // Test that an inline type is assignable to itself, to java.lang.Object, 34 // and to an interface, 35 // 36 interface II { } 37 38 public primitive final class VTAssignability implements II { 39 final int x; 40 final int y; 41 42 public VTAssignability(int x, int y) { 43 this.x = x; 44 this.y = y; 45 } 46 47 public int getX() { return x; } 48 public int getY() { return y; } 49 50 public boolean isSameVTAssignability(VTAssignability that) { 51 return this.getX() == that.getX() && this.getY() == that.getY(); 52 } 53 54 public boolean equals(Object o) { 55 if(o instanceof VTAssignability) { 56 return ((VTAssignability)o).x == x && ((VTAssignability)o).y == y; 57 } else { 58 return false; 59 } 60 } 61 62 public void takesInterface(II i) { 63 System.out.println("Test passes!!"); 64 } 65 66 public static void main(String[] args) { 67 VTAssignability a = new VTAssignability(3, 4); 68 VTAssignability b = new VTAssignability(2, 4); 69 70 // Test assignability of an inline type to itself. 71 boolean res = a.isSameVTAssignability(b); 72 73 // Test assignability of an inline type to java.lang.Object. 74 res = b.equals(a); 75 76 // Test assignability of an inline type to an interface. 77 a.takesInterface(b); 78 } 79 }