Mercurial > hg > truffle
diff graal/com.oracle.truffle.api.test/src/com/oracle/truffle/api/test/utilities/IntegerConditionProfileTest.java @ 16828:2834af86f398
Truffle: new condition profile primitives.
author | Christian Humer <christian.humer@gmail.com> |
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date | Wed, 13 Aug 2014 20:44:36 +0200 |
parents | |
children | 3c114b3e08c3 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/graal/com.oracle.truffle.api.test/src/com/oracle/truffle/api/test/utilities/IntegerConditionProfileTest.java Wed Aug 13 20:44:36 2014 +0200 @@ -0,0 +1,82 @@ +/* + * Copyright (c) 2013, 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.test.utilities; + +import static org.hamcrest.CoreMatchers.*; +import static org.junit.Assert.*; + +import org.junit.*; +import org.junit.experimental.theories.*; +import org.junit.runner.*; + +import com.oracle.truffle.api.utilities.*; + +@RunWith(Theories.class) +public class IntegerConditionProfileTest { + + @DataPoints public static boolean[] data = new boolean[]{true, false}; + + @Test + public void testInitial() { + IntegerConditionProfile profile = new IntegerConditionProfile(); + assertThat(profile.getTrueCount(), is(0)); + assertThat(profile.getFalseCount(), is(0)); + } + + @Theory + public void testProfileOne(boolean value) { + IntegerConditionProfile profile = new IntegerConditionProfile(); + boolean result = profile.profile(value); + + assertThat(result, is(value)); + assertThat(profile.getTrueCount(), is(value ? 1 : 0)); + assertThat(profile.getFalseCount(), is(!value ? 1 : 0)); + } + + @Theory + public void testProfileTwo(boolean value0, boolean value1) { + IntegerConditionProfile profile = new IntegerConditionProfile(); + boolean result0 = profile.profile(value0); + boolean result1 = profile.profile(value1); + + assertThat(result0, is(value0)); + assertThat(result1, is(value1)); + assertThat(profile.getTrueCount(), is((value0 ? 1 : 0) + (value1 ? 1 : 0))); + assertThat(profile.getFalseCount(), is((!value0 ? 1 : 0) + (!value1 ? 1 : 0))); + } + + @Theory + public void testProfileThree(boolean value0, boolean value1, boolean value2) { + IntegerConditionProfile profile = new IntegerConditionProfile(); + boolean result0 = profile.profile(value0); + boolean result1 = profile.profile(value1); + boolean result2 = profile.profile(value2); + + assertThat(result0, is(value0)); + assertThat(result1, is(value1)); + assertThat(result2, is(value2)); + assertThat(profile.getTrueCount(), is((value0 ? 1 : 0) + (value1 ? 1 : 0) + (value2 ? 1 : 0))); + assertThat(profile.getFalseCount(), is((!value0 ? 1 : 0) + (!value1 ? 1 : 0) + (!value2 ? 1 : 0))); + } + +}