/*
* 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.
*
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package com.oracle.truffle.api.test.profiles;
import static com.oracle.truffle.api.test.ReflectionUtils.invoke;
import static com.oracle.truffle.api.test.ReflectionUtils.invokeStatic;
import static com.oracle.truffle.api.test.ReflectionUtils.loadRelative;
import static org.hamcrest.CoreMatchers.is;
import static org.junit.Assert.assertThat;
import org.junit.Before;
import org.junit.Test;
import org.junit.experimental.theories.DataPoints;
import org.junit.experimental.theories.Theories;
import org.junit.experimental.theories.Theory;
import org.junit.runner.RunWith;
import com.oracle.truffle.api.profiles.ConditionProfile;
@RunWith(Theories.class)
public class CountingConditionProfileTest {
@DataPoints public static boolean[] data = new boolean[]{true, false};
private ConditionProfile profile;
@Before
public void create() {
profile = (ConditionProfile) invokeStatic(loadRelative(CountingConditionProfileTest.class, "ConditionProfile$Counting"), "create");
}
private static int getTrueCount(ConditionProfile profile) {
return (int) invoke(profile, "getTrueCount");
}
private static int getFalseCount(ConditionProfile profile) {
return (int) invoke(profile, "getFalseCount");
}
@Test
public void testInitial() {
assertThat(getTrueCount(profile), is(0));
assertThat(getFalseCount(profile), is(0));
profile.toString();
}
@Theory
public void testProfileOne(boolean value) {
boolean result = profile.profile(value);
assertThat(result, is(value));
assertThat(getTrueCount(profile), is(value ? 1 : 0));
assertThat(getFalseCount(profile), is(!value ? 1 : 0));
profile.toString();
}
@Theory
public void testProfileTwo(boolean value0, boolean value1) {
boolean result0 = profile.profile(value0);
boolean result1 = profile.profile(value1);
assertThat(result0, is(value0));
assertThat(result1, is(value1));
assertThat(getTrueCount(profile), is((value0 ? 1 : 0) + (value1 ? 1 : 0)));
assertThat(getFalseCount(profile), is((!value0 ? 1 : 0) + (!value1 ? 1 : 0)));
profile.toString();
}
@Theory
public void testProfileThree(boolean value0, boolean value1, boolean value2) {
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(getTrueCount(profile), is((value0 ? 1 : 0) + (value1 ? 1 : 0) + (value2 ? 1 : 0)));
assertThat(getFalseCount(profile), is((!value0 ? 1 : 0) + (!value1 ? 1 : 0) + (!value2 ? 1 : 0)));
profile.toString();
}
}