Mercurial > hg > truffle
view truffle/com.oracle.truffle.api.test/src/com/oracle/truffle/api/utilities/ExactClassValueProfileTest.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/ExactClassValueProfileTest.java@dc83cc1f94f2 |
children | b39b603e2a1e |
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/* * Copyright (c) 2014, 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 com.oracle.truffle.api.utilities.ValueProfile; import java.lang.reflect.Method; import static org.hamcrest.CoreMatchers.is; import static org.junit.Assert.assertEquals; import static org.junit.Assert.assertNull; import static org.junit.Assert.assertThat; import org.junit.Before; import org.junit.Test; import org.junit.experimental.theories.DataPoint; import org.junit.experimental.theories.Theories; import org.junit.experimental.theories.Theory; import org.junit.runner.RunWith; @RunWith(Theories.class) public class ExactClassValueProfileTest { @DataPoint public static final String O1 = new String(); @DataPoint public static final String O2 = new String(); @DataPoint public static final Object O3 = new Object(); @DataPoint public static final Integer O4 = new Integer(1); @DataPoint public static final Integer O5 = null; private ValueProfile profile; @Before public void create() { profile = ValueProfile.createClassProfile(); } @Test public void testInitial() throws Exception { assertThat(isGeneric(profile), is(false)); assertThat(isUninitialized(profile), is(true)); assertNull(getCachedClass(profile)); profile.toString(); // test that it is not crashing } @Theory public void testProfileOne(Object value) throws Exception { Object result = profile.profile(value); assertThat(result, is(value)); assertEquals(getCachedClass(profile), expectedClass(value)); assertThat(isUninitialized(profile), is(false)); profile.toString(); // test that it is not crashing } @Theory public void testProfileTwo(Object value0, Object value1) throws Exception { Object result0 = profile.profile(value0); Object result1 = profile.profile(value1); assertThat(result0, is(value0)); assertThat(result1, is(value1)); Object expectedClass = expectedClass(value0) == expectedClass(value1) ? expectedClass(value0) : Object.class; assertEquals(getCachedClass(profile), expectedClass); assertThat(isUninitialized(profile), is(false)); assertThat(isGeneric(profile), is(expectedClass == Object.class)); profile.toString(); // test that it is not crashing } @Theory public void testProfileThree(Object value0, Object value1, Object value2) throws Exception { Object result0 = profile.profile(value0); Object result1 = profile.profile(value1); Object result2 = profile.profile(value2); assertThat(result0, is(value0)); assertThat(result1, is(value1)); assertThat(result2, is(value2)); Object expectedClass = expectedClass(value0) == expectedClass(value1) && expectedClass(value1) == expectedClass(value2) ? expectedClass(value0) : Object.class; assertEquals(getCachedClass(profile), expectedClass); assertThat(isUninitialized(profile), is(false)); assertThat(isGeneric(profile), is(expectedClass == Object.class)); profile.toString(); // test that it is not crashing } private static Class<?> expectedClass(Object value) { return value == null ? Object.class : value.getClass(); } private static Object get(String name, ValueProfile profile) throws Exception { final Method m = profile.getClass().getDeclaredMethod(name); m.setAccessible(true); return m.invoke(profile); } private static Object getCachedClass(ValueProfile profile) throws Exception { return get("getCachedClass", profile); } private static boolean isUninitialized(ValueProfile profile) throws Exception { return (Boolean) get("isUninitialized", profile); } private static boolean isGeneric(ValueProfile profile) throws Exception { return (Boolean) get("isGeneric", profile); } }