1 /* 2 * Copyright (c) 2013, 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 gc.arguments; 25 26 /* 27 * @test TestHeapFreeRatio 28 * @key gc 29 * @bug 8025661 30 * @summary Test parsing of -Xminf and -Xmaxf 31 * @library /test/lib 32 * @library / 33 * @modules java.base/jdk.internal.misc 34 * java.management 35 * @run main/othervm gc.arguments.TestHeapFreeRatio 36 */ 37 38 import jdk.test.lib.process.OutputAnalyzer; 39 import jdk.test.lib.process.ProcessTools; 40 41 public class TestHeapFreeRatio { 42 43 enum Validation { 44 VALID, 45 MIN_INVALID, 46 MAX_INVALID, 47 OUT_OF_RANGE, 48 COMBINATION_INVALID 49 } 50 testMinMaxFreeRatio(String min, String max, Validation type)51 private static void testMinMaxFreeRatio(String min, String max, Validation type) throws Exception { 52 ProcessBuilder pb = GCArguments.createJavaProcessBuilder( 53 "-Xminf" + min, 54 "-Xmaxf" + max, 55 "-version"); 56 OutputAnalyzer output = new OutputAnalyzer(pb.start()); 57 58 switch (type) { 59 case VALID: 60 output.shouldNotContain("Error"); 61 output.shouldHaveExitValue(0); 62 break; 63 case MIN_INVALID: 64 output.shouldContain("Bad min heap free percentage size: -Xminf" + min); 65 output.shouldContain("Error"); 66 output.shouldHaveExitValue(1); 67 break; 68 case MAX_INVALID: 69 output.shouldContain("Bad max heap free percentage size: -Xmaxf" + max); 70 output.shouldContain("Error"); 71 output.shouldHaveExitValue(1); 72 break; 73 case OUT_OF_RANGE: 74 output.shouldContain("outside the allowed range"); 75 output.shouldContain("Error"); 76 output.shouldHaveExitValue(1); 77 break; 78 case COMBINATION_INVALID: 79 output.shouldContain("must be less than or equal to MaxHeapFreeRatio"); 80 output.shouldContain("Error"); 81 output.shouldHaveExitValue(1); 82 break; 83 default: 84 throw new IllegalStateException("Must specify expected validation type"); 85 } 86 87 System.out.println(output.getOutput()); 88 } 89 main(String args[])90 public static void main(String args[]) throws Exception { 91 testMinMaxFreeRatio( "0.1", "0.5", Validation.VALID); 92 testMinMaxFreeRatio( ".1", ".5", Validation.VALID); 93 testMinMaxFreeRatio( "0.5", "0.5", Validation.VALID); 94 95 testMinMaxFreeRatio("=0.1", "0.5", Validation.MIN_INVALID); 96 testMinMaxFreeRatio("0.1f", "0.5", Validation.MIN_INVALID); 97 testMinMaxFreeRatio( 98 "INVALID", "0.5", Validation.MIN_INVALID); 99 100 testMinMaxFreeRatio( "0.1", "0.5f", Validation.MAX_INVALID); 101 testMinMaxFreeRatio( "0.1", "=0.5", Validation.MAX_INVALID); 102 testMinMaxFreeRatio( 103 "0.1", "INVALID", Validation.MAX_INVALID); 104 105 testMinMaxFreeRatio("-0.1", "0.5", Validation.OUT_OF_RANGE); 106 testMinMaxFreeRatio( "1.1", "0.5", Validation.OUT_OF_RANGE); 107 testMinMaxFreeRatio( 108 "2147483647", "0.5", Validation.OUT_OF_RANGE); 109 testMinMaxFreeRatio( "0.1", "-0.5", Validation.OUT_OF_RANGE); 110 testMinMaxFreeRatio( "0.1", "1.5", Validation.OUT_OF_RANGE); 111 testMinMaxFreeRatio( 112 "0.1", "2147483647", Validation.OUT_OF_RANGE); 113 114 testMinMaxFreeRatio( "0.5", "0.1", Validation.COMBINATION_INVALID); 115 testMinMaxFreeRatio( ".5", ".10", Validation.COMBINATION_INVALID); 116 testMinMaxFreeRatio("0.12","0.100", Validation.COMBINATION_INVALID); 117 } 118 } 119