48 lines
1.5 KiB
Java
48 lines
1.5 KiB
Java
/*
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* Copyright (c) 2009-2011. Created by serso aka se.solovyev.
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* For more information, please, contact se.solovyev@gmail.com
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* or visit http://se.solovyev.org
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*/
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package org.solovyev.android.calculator.plot;
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import jscl.math.Expression;
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import jscl.math.function.Constant;
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import junit.framework.Assert;
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import org.achartengine.model.XYSeries;
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import org.jetbrains.annotations.NotNull;
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import org.junit.Test;
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/**
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* User: serso
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* Date: 12/5/11
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* Time: 9:07 PM
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*/
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public class PlotUtilsTest {
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@Test
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public void testAddXY() throws Exception {
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MyXYSeries series = new MyXYSeries("test_01", 100);
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PlotUtils.addXY(-10, 10, Expression.valueOf("asin(t)"), new Constant("t"), series, new MyXYSeries("test_01_imag"), false, 200);
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testAscSeries(series);
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PlotUtils.addXY(-1, 1, Expression.valueOf("asin(t)"), new Constant("t"), series, new MyXYSeries("test_01_imag"), true, 200);
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testAscSeries(series);
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series = new MyXYSeries("test_02", 1000);
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PlotUtils.addXY(-10, 10, Expression.valueOf("1/t"), new Constant("t"), series, new MyXYSeries("test_01_imag"), false, 1000);
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testAscSeries(series);
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PlotUtils.addXY(-1, 1, Expression.valueOf("1/t"), new Constant("t"), series, new MyXYSeries("test_01_imag"), true, 1000);
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testAscSeries(series);
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}
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public void testAscSeries(@NotNull XYSeries series) {
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for ( int i = 0; i < series.getItemCount(); i++ ) {
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if (i > 1) {
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Assert.assertTrue(series.getX(i - 1) + " > " +series.getX(i) + " at " + i + " of " + series.getItemCount(), series.getX(i - 1) <= series.getX(i));
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}
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}
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}
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}
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