/* * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ /* * @test * @bug 8186211 * @summary Tests various ldc, ldc_w, ldc2_w instructions of CONSTANT_Dynamic. * @modules java.base/jdk.internal.misc * @library /test/lib * @compile CondyUseLDC_W.jasm * @compile CondyBadLDC2_W.jasm * @compile CondyBadLDC.jasm * @run driver CondyLDCTest */ import jdk.test.lib.process.ProcessTools; import jdk.test.lib.process.OutputAnalyzer; import jdk.test.lib.compiler.InMemoryJavaCompiler; public class CondyLDCTest { public static void main(String args[]) throws Throwable { // 1. Test a ldc_w instruction can be used with condy's which generate // loadable constants of the following types: byte, char, short, float, integer, boolean. ProcessBuilder pb = ProcessTools.createJavaProcessBuilder("-Xverify:all", "CondyUseLDC_W"); OutputAnalyzer oa = new OutputAnalyzer(pb.start()); oa.shouldNotContain("VerifyError"); oa.shouldHaveExitValue(0); // 2. Test ldc2_w of a condy which returns a dynamically generated // float constant, generates a VerifyError. pb = ProcessTools.createJavaProcessBuilder("-Xverify:all", "CondyBadLDC2_W"); oa = new OutputAnalyzer(pb.start()); oa.shouldContain("java.lang.VerifyError: Illegal type at constant pool entry"); oa.shouldContain("CondyBadLDC2_W.F()F @0: ldc2_w"); oa.shouldHaveExitValue(1); // 3. Test a ldc of a condy which returns a dynamically generated // double constant, generates a VerifyError. pb = ProcessTools.createJavaProcessBuilder("-Xverify:all", "CondyBadLDC"); oa = new OutputAnalyzer(pb.start()); oa.shouldContain("java.lang.VerifyError: Illegal type at constant pool entry"); oa.shouldContain("CondyBadLDC.D()D @0: ldc"); oa.shouldHaveExitValue(1); } }