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