1 /*
   2  * Copyright (c) 2018, 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
  26  * @bug 8186211
  27  * @summary Tests various ldc, ldc_w, ldc2_w instructions of CONSTANT_Dynamic.
  28  * @modules java.base/jdk.internal.misc
  29  * @library /test/lib
  30  * @compile CondyUseLDC_W.jasm
  31  * @compile CondyBadLDC2_W.jasm
  32  * @compile CondyBadLDC.jasm
  33  * @run driver CondyLDCTest
  34  */
  35 
  36 import jdk.test.lib.process.ProcessTools;
  37 import jdk.test.lib.process.OutputAnalyzer;
  38 import jdk.test.lib.compiler.InMemoryJavaCompiler;
  39 
  40 public class CondyLDCTest {
  41     public static void main(String args[]) throws Throwable {
  42         // 1. Test a ldc_w instruction can be used with condy's which generate
  43         //    loadable constants of the following types: byte, char, short, float, integer, boolean.
  44         ProcessBuilder pb = ProcessTools.createJavaProcessBuilder("-Xverify:all",
  45                                                                   "CondyUseLDC_W");
  46         OutputAnalyzer oa = new OutputAnalyzer(pb.start());
  47         oa.shouldNotContain("VerifyError");
  48         oa.shouldHaveExitValue(0);
  49 
  50         // 2. Test ldc2_w of a condy which returns a dynamically generated
  51         //    float constant, generates a VerifyError.
  52         pb = ProcessTools.createJavaProcessBuilder("-Xverify:all",
  53                                                    "CondyBadLDC2_W");
  54         oa = new OutputAnalyzer(pb.start());
  55         oa.shouldContain("java.lang.VerifyError: Illegal type at constant pool entry");
  56         oa.shouldContain("CondyBadLDC2_W.F()F @0: ldc2_w");
  57         oa.shouldHaveExitValue(1);
  58 
  59         // 3. Test a ldc of a condy which returns a dynamically generated
  60         //    double constant, generates a VerifyError.
  61         pb = ProcessTools.createJavaProcessBuilder("-Xverify:all",
  62                                                    "CondyBadLDC");
  63         oa = new OutputAnalyzer(pb.start());
  64         oa.shouldContain("java.lang.VerifyError: Illegal type at constant pool entry");
  65         oa.shouldContain("CondyBadLDC.D()D @0: ldc");
  66         oa.shouldHaveExitValue(1);
  67     }
  68 }