1 /* 2 * Copyright (c) 2003, 2016, 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 import javax.sound.sampled.Control; 25 import javax.sound.sampled.Line; 26 import javax.sound.sampled.LineEvent; 27 import javax.sound.sampled.LineListener; 28 29 /** 30 * @test 31 * @bug 4672865 32 * @summary LineEvent.toString() throws unexpected NullPointerException 33 */ 34 public class LineInfoNPE { 35 36 static final int STATUS_PASSED = 0; 37 static final int STATUS_FAILED = 2; 38 static final int STATUS_TEMP = 95; 39 40 public static void main(String argv[]) throws Exception { 41 int testExitStatus = run(argv, System.out); 42 if (testExitStatus != STATUS_PASSED) { 43 throw new Exception("test FAILED!"); 44 } 45 } 46 47 public static int run(String argv[], java.io.PrintStream out) { 48 int testResult = STATUS_PASSED; 49 50 out.println("\n==> Test for LineEvent class:"); 51 52 Line testLine = new TestLine(); 53 Line nullLine = null; 54 55 LineEvent.Type testLineEventType = LineEvent.Type.OPEN; 56 LineEvent.Type nullLineEventType = null; 57 58 LineEvent testedLineEvent = null; 59 out.println("\n>> LineEvent constructor for Line = null: "); 60 try { 61 testedLineEvent = 62 new LineEvent(nullLine, // the source Line of this event 63 testLineEventType, // LineEvent.Type - the event type 64 (long) 1000 // position - the number processed of sample frames 65 ); 66 out.println("> No any Exception was thrown!"); 67 out.println("> testedLineEvent.getType():"); 68 try { 69 Line producedLine = testedLineEvent.getLine(); 70 out.println("> PASSED: producedLine = " + producedLine); 71 } catch (Throwable thrown) { 72 out.println("## FAILED: unexpected Exception was thrown:"); 73 thrown.printStackTrace(out); 74 testResult = STATUS_FAILED; 75 } 76 out.println("> testedLineEvent.toString():"); 77 try { 78 String producedString = testedLineEvent.toString(); 79 out.println("> PASSED: producedString = " + producedString); 80 } catch (Throwable thrown) { 81 out.println("## FAILED: unexpected Exception was thrown:"); 82 thrown.printStackTrace(out); 83 testResult = STATUS_FAILED; 84 } 85 } catch (IllegalArgumentException illegArgExcept) { 86 out.println("> PASSED: expected IllegalArgumentException was thrown:"); 87 illegArgExcept.printStackTrace(out); 88 } catch (NullPointerException nullPE) { 89 out.println("> PASSED: expected NullPointerException was thrown:"); 90 nullPE.printStackTrace(out); 91 } catch (Throwable thrown) { 92 out.println("## FAILED: unexpected Exception was thrown:"); 93 thrown.printStackTrace(out); 94 testResult = STATUS_FAILED; 95 } 96 97 out.println("\n>> LineEvent constructor for LineEvent.Type = null: "); 98 try { 99 testedLineEvent = 100 new LineEvent(testLine, // the source Line of this event 101 nullLineEventType, // LineEvent.Type - the event type 102 (long) 1000 // position - the number processed of sample frames 103 ); 104 out.println("> No any Exception was thrown!"); 105 out.println("> testedLineEvent.getType():"); 106 try { 107 LineEvent.Type producedType = testedLineEvent.getType(); 108 out.println("> PASSED: producedType = " + producedType); 109 } catch (Throwable thrown) { 110 out.println("## FAILED: unexpected Exception was thrown:"); 111 thrown.printStackTrace(out); 112 testResult = STATUS_FAILED; 113 } 114 out.println("> testedLineEvent.toString():"); 115 try { 116 String producedString = testedLineEvent.toString(); 117 out.println("> PASSED: producedString = " + producedString); 118 } catch (Throwable thrown) { 119 out.println("## FAILED: unexpected Exception was thrown:"); 120 thrown.printStackTrace(out); 121 testResult = STATUS_FAILED; 122 } 123 } catch (IllegalArgumentException illegArgExcept) { 124 out.println("> PASSED: expected IllegalArgumentException was thrown:"); 125 illegArgExcept.printStackTrace(out); 126 } catch (NullPointerException nullPE) { 127 out.println("> PASSED: expected NullPointerException was thrown:"); 128 nullPE.printStackTrace(out); 129 } catch (Throwable thrown) { 130 out.println("## FAILED: unexpected Exception was thrown:"); 131 thrown.printStackTrace(out); 132 testResult = STATUS_FAILED; 133 } 134 135 if ( testResult == STATUS_FAILED ) { 136 out.println("\n==> test FAILED!"); 137 } else { 138 out.println("\n==> test PASSED!"); 139 } 140 return testResult; 141 } 142 } // end of test class 143 144 class TestLine implements Line { 145 146 public void addLineListener(LineListener listener) { 147 } 148 149 public void close() { 150 } 151 152 public Control getControl(Control.Type control) { 153 return null; 154 } 155 156 public Control[] getControls() { 157 return new Control[0]; 158 } 159 160 public Line.Info getLineInfo() { 161 return null; 162 } 163 164 public boolean isOpen() { 165 return false; 166 } 167 168 public boolean isControlSupported(Control.Type control) { 169 return false; 170 } 171 172 public void open() { 173 } 174 175 public void removeLineListener(LineListener listener) { 176 } 177 }