Mercurial > hg > truffle
view truffle/com.oracle.truffle.api.test/src/com/oracle/truffle/api/utilities/InstrumentationTestMode.java @ 22424:fec62e298245
Rename package truffle.api.test to truffle.api to enable package-protected API access for testing.
author | Christian Humer <christian.humer@oracle.com> |
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date | Wed, 02 Dec 2015 15:16:27 +0100 |
parents | truffle/com.oracle.truffle.api.test/src/com/oracle/truffle/api/test/utilities/InstrumentationTestMode.java@906a5f6e07cc |
children |
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/* * Copyright (c) 2015, 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. */ package com.oracle.truffle.api.utilities; import static org.junit.Assert.fail; import java.lang.reflect.Field; import com.oracle.truffle.api.instrument.Instrumenter; import com.oracle.truffle.api.vm.PolyglotEngine; public class InstrumentationTestMode { public static void set(boolean enable) { try { final PolyglotEngine vm = PolyglotEngine.newBuilder().build(); final Field instrumenterField = vm.getClass().getDeclaredField("instrumenter"); instrumenterField.setAccessible(true); final Object instrumenter = instrumenterField.get(vm); final java.lang.reflect.Field testVMField = Instrumenter.class.getDeclaredField("testVM"); testVMField.setAccessible(true); if (enable) { testVMField.set(instrumenter, vm); } else { testVMField.set(instrumenter, null); } } catch (NoSuchFieldException | SecurityException | IllegalArgumentException | IllegalAccessException ex) { fail("Reflective access to Instrumenter for testing"); } } }