1 /* 2 * Copyright (c) 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 25 package runtime.valhalla.valuetypes; 26 27 import java.lang.reflect.*; 28 import static jdk.test.lib.Asserts.*; 29 30 /* 31 * @test VarArgsArray 32 * @summary Test if JVM API using varargs work with inline type arrays 33 * @library /test/lib 34 * @compile VarArgsArray.java NewInstanceFromConstructor.java IntValue.java 35 * @run main/othervm -Xint runtime.valhalla.valuetypes.VarArgsArray 36 * @run main/othervm -Xcomp runtime.valhalla.valuetypes.VarArgsArray 37 */ 38 public class VarArgsArray { 39 40 static final int TOKEN_VALUE = 4711; 41 42 int methodACnt = 0; 43 int methodBCnt = 0; 44 int methodCCnt = 0; 45 46 public VarArgsArray() { 47 } 48 49 public void test() throws Throwable { 50 // test publicly accessable API in the VM...given an inline type array 51 testJvmInvokeMethod(); 52 testJvmNewInstanceFromConstructor(); 53 } 54 55 public void testJvmInvokeMethod() throws Throwable { 56 MyInt[] array0 = new MyInt[0]; 57 MyInt[] array1 = new MyInt[] { new MyInt(TOKEN_VALUE) }; 58 MyInt[] array2 = new MyInt[] { new MyInt(TOKEN_VALUE), new MyInt(TOKEN_VALUE) }; 59 60 Method methodARef = getClass().getDeclaredMethod("methodA", MyInt.class); 61 Method methodBRef = getClass().getDeclaredMethod("methodB", MyInt.class, MyInt.class); 62 Method methodCRef = getClass().getDeclaredMethod("methodC", MyInt.class, String.class); 63 64 // Positive tests... 65 methodARef.invoke(this, (Object[])array1); 66 assertWithMsg(methodACnt == 1, "methodA did not invoke"); 67 68 methodARef.invoke(this, array1[0]); 69 assertWithMsg(methodACnt == 2, "methodA did not invoke"); 70 71 methodBRef.invoke(this, (Object[]) array2); 72 assertWithMsg(methodBCnt == 1, "methodB did not invoke"); 73 74 methodBRef.invoke(this, array2[0], array2[1]); 75 assertWithMsg(methodBCnt == 2, "methodB did not invoke"); 76 77 // Negative tests... 78 int argExCnt = 0; 79 try { 80 methodARef.invoke(this, (Object[]) array0); 81 throw new RuntimeException("Expected fail"); 82 } catch (IllegalArgumentException argEx) { argExCnt++; } 83 try { 84 methodARef.invoke(this, (Object[]) array2); 85 throw new RuntimeException("Expected fail"); 86 } catch (IllegalArgumentException argEx) { argExCnt++; } 87 try { 88 methodCRef.invoke(this, (Object[]) array2); 89 throw new RuntimeException("Expected fail"); 90 } catch (IllegalArgumentException argEx) { argExCnt++; } 91 assertWithMsg(argExCnt == 3, "Did not see the correct number of exceptions"); 92 assertWithMsg(methodACnt == 2, "methodA bad invoke count"); 93 assertWithMsg(methodBCnt == 2, "methodB bad invoke count"); 94 assertWithMsg(methodCCnt == 0, "methodC bad invoke count"); 95 } 96 97 public void testJvmNewInstanceFromConstructor() throws Throwable { 98 // Inner classes use outer in param list, so these won't exercise inline type array 99 Class tc = NewInstanceFromConstructor.class; 100 Class pt = IntValue.class; 101 Constructor consARef = tc.getConstructor(pt); 102 Constructor consBRef = tc.getConstructor(pt, pt); 103 Constructor consCRef = tc.getConstructor(pt, String.class); 104 IntValue[] array0 = new IntValue[0]; 105 IntValue[] array1 = new IntValue[] { new IntValue(TOKEN_VALUE) }; 106 IntValue[] array2 = new IntValue[] { new IntValue(TOKEN_VALUE), 107 new IntValue(TOKEN_VALUE) }; 108 109 // Positive tests... 110 consARef.newInstance((Object[])array1); 111 consARef.newInstance(array1[0]); 112 NewInstanceFromConstructor test = (NewInstanceFromConstructor) 113 consBRef.newInstance((Object[])array2); 114 assertWithMsg(test.getValue() == (2 * TOKEN_VALUE), "Param corrrupt"); 115 consBRef.newInstance(array2[0], array2[1]); 116 assertWithMsg(NewInstanceFromConstructor.getConsCalls() == 4, "Constructor did not invoke"); 117 118 // Negative tests... 119 int argExCnt = 0; 120 try { 121 consARef.newInstance((Object[])array0); 122 throw new RuntimeException("Expected fail"); 123 } catch (IllegalArgumentException argEx) { argExCnt++; } 124 try { 125 consARef.newInstance((Object[])array2); 126 throw new RuntimeException("Expected fail"); 127 } catch (IllegalArgumentException argEx) { argExCnt++; } 128 try { 129 consCRef.newInstance((Object[])array2); 130 throw new RuntimeException("Expected fail"); 131 } catch (IllegalArgumentException argEx) { argExCnt++; } 132 assertWithMsg(argExCnt == 3, "Did not see the correct number of exceptions"); 133 assertWithMsg(NewInstanceFromConstructor.getConsCalls() == 4, "Constructor should have been invoked"); 134 } 135 136 public void methodA(MyInt a) { 137 assertWithMsg(a.value == TOKEN_VALUE, "Bad arg"); 138 methodACnt++; 139 } 140 141 public void methodB(MyInt a, MyInt b) { 142 assertWithMsg(a.value == TOKEN_VALUE, "Bad arg"); 143 assertWithMsg(b.value == TOKEN_VALUE, "Bad arg"); 144 methodBCnt++; 145 } 146 147 public void methodC(MyInt a, String b) { 148 assertWithMsg(a.value == TOKEN_VALUE, "Bad arg"); 149 methodCCnt++; 150 } 151 152 static void assertWithMsg(boolean expr, String msg) throws RuntimeException { 153 assertTrue(expr, msg); 154 } 155 156 public static void main(String[] args) throws Throwable { 157 new VarArgsArray().test(); 158 } 159 160 inline class MyInt { 161 int value; 162 public MyInt() { this(0); } 163 public MyInt(int v) { this.value = v; } 164 } 165 166 167 }