Commons Math example source code file (Vector3DFormatAbstractTest.java)

This example Commons Math source code file (Vector3DFormatAbstractTest.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Commons Math tags/keywords

infinity, infinity, locale, nan, numberformat, object, parseexception, parseexception, parseposition, string, string, text, util, vector3d, vector3d, vector3dformat

The Commons Math Vector3DFormatAbstractTest.java source code

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.commons.math.geometry;

import java.text.NumberFormat;
import java.text.ParseException;
import java.text.ParsePosition;
import java.util.Locale;

import junit.framework.TestCase;

import org.apache.commons.math.util.CompositeFormat;

public abstract class Vector3DFormatAbstractTest extends TestCase {

    Vector3DFormat vector3DFormat = null;
    Vector3DFormat vector3DFormatSquare = null;

    protected abstract Locale getLocale();

    protected abstract char getDecimalCharacter();

    @Override
    protected void setUp() throws Exception {
        vector3DFormat = Vector3DFormat.getInstance(getLocale());
        final NumberFormat nf = NumberFormat.getInstance(getLocale());
        nf.setMaximumFractionDigits(2);
        vector3DFormatSquare = new Vector3DFormat("[", "]", " : ", nf);
    }

    public void testSimpleNoDecimals() {
        Vector3D c = new Vector3D(1, 1, 1);
        String expected = "{1; 1; 1}";
        String actual = vector3DFormat.format(c);
        assertEquals(expected, actual);
    }

    public void testSimpleWithDecimals() {
        Vector3D c = new Vector3D(1.23, 1.43, 1.63);
        String expected =
            "{1"    + getDecimalCharacter() +
            "23; 1" + getDecimalCharacter() +
            "43; 1" + getDecimalCharacter() +
            "63}";
        String actual = vector3DFormat.format(c);
        assertEquals(expected, actual);
    }

    public void testSimpleWithDecimalsTrunc() {
        Vector3D c = new Vector3D(1.2323, 1.4343, 1.6333);
        String expected =
            "{1"    + getDecimalCharacter() +
            "23; 1" + getDecimalCharacter() +
            "43; 1" + getDecimalCharacter() +
            "63}";
        String actual = vector3DFormat.format(c);
        assertEquals(expected, actual);
    }

    public void testNegativeX() {
        Vector3D c = new Vector3D(-1.2323, 1.4343, 1.6333);
        String expected =
            "{-1"    + getDecimalCharacter() +
            "23; 1" + getDecimalCharacter() +
            "43; 1" + getDecimalCharacter() +
            "63}";
        String actual = vector3DFormat.format(c);
        assertEquals(expected, actual);
    }

    public void testNegativeY() {
        Vector3D c = new Vector3D(1.2323, -1.4343, 1.6333);
        String expected =
            "{1"    + getDecimalCharacter() +
            "23; -1" + getDecimalCharacter() +
            "43; 1" + getDecimalCharacter() +
            "63}";
        String actual = vector3DFormat.format(c);
        assertEquals(expected, actual);
    }

    public void testNegativeZ() {
        Vector3D c = new Vector3D(1.2323, 1.4343, -1.6333);
        String expected =
            "{1"    + getDecimalCharacter() +
            "23; 1" + getDecimalCharacter() +
            "43; -1" + getDecimalCharacter() +
            "63}";
        String actual = vector3DFormat.format(c);
        assertEquals(expected, actual);
    }

    public void testNonDefaultSetting() {
        Vector3D c = new Vector3D(1, 1, 1);
        String expected = "[1 : 1 : 1]";
        String actual = vector3DFormatSquare.format(c);
        assertEquals(expected, actual);
    }

    public void testStaticFormatVector3D() {
        Locale defaultLocal = Locale.getDefault();
        Locale.setDefault(getLocale());

        Vector3D c = new Vector3D(232.222, -342.33, 432.444);
        String expected =
            "{232"    + getDecimalCharacter() +
            "22; -342" + getDecimalCharacter() +
            "33; 432" + getDecimalCharacter() +
            "44}";
        String actual = Vector3DFormat.formatVector3D(c);
        assertEquals(expected, actual);

        Locale.setDefault(defaultLocal);
    }

    public void testNan() {
        Vector3D c = Vector3D.NaN;
        String expected = "{(NaN); (NaN); (NaN)}";
        String actual = vector3DFormat.format(c);
        assertEquals(expected, actual);
    }

    public void testPositiveInfinity() {
        Vector3D c = Vector3D.POSITIVE_INFINITY;
        String expected = "{(Infinity); (Infinity); (Infinity)}";
        String actual = vector3DFormat.format(c);
        assertEquals(expected, actual);
    }

    public void tesNegativeInfinity() {
        Vector3D c = Vector3D.NEGATIVE_INFINITY;
        String expected = "{(-Infinity); (-Infinity); (-Infinity)}";
        String actual = vector3DFormat.format(c);
        assertEquals(expected, actual);
    }

    public void testParseSimpleNoDecimals() {
        String source = "{1; 1; 1}";
        Vector3D expected = new Vector3D(1, 1, 1);
        try {
            Vector3D actual = (Vector3D) vector3DFormat.parseObject(source);
            assertEquals(expected, actual);
        } catch (ParseException ex) {
            fail(ex.getMessage());
        }
    }

    public void testParseIgnoredWhitespace() {
        Vector3D expected = new Vector3D(1, 1, 1);
        ParsePosition pos1 = new ParsePosition(0);
        String source1 = "{1;1;1}";
        assertEquals(expected, vector3DFormat.parseObject(source1, pos1));
        assertEquals(source1.length(), pos1.getIndex());
        ParsePosition pos2 = new ParsePosition(0);
        String source2 = " { 1 ; 1 ; 1 } ";
        assertEquals(expected, vector3DFormat.parseObject(source2, pos2));
        assertEquals(source2.length() - 1, pos2.getIndex());
    }

    public void testParseSimpleWithDecimals() {
        String source =
            "{1" + getDecimalCharacter() +
            "23; 1" + getDecimalCharacter() +
            "43; 1" + getDecimalCharacter() +
            "63}";
        Vector3D expected = new Vector3D(1.23, 1.43, 1.63);
        try {
            Vector3D actual = (Vector3D) vector3DFormat.parseObject(source);
            assertEquals(expected, actual);
        } catch (ParseException ex) {
            fail(ex.getMessage());
        }
    }

    public void testParseSimpleWithDecimalsTrunc() {
        String source =
            "{1" + getDecimalCharacter() +
            "2323; 1" + getDecimalCharacter() +
            "4343; 1" + getDecimalCharacter() +
            "6333}";
        Vector3D expected = new Vector3D(1.2323, 1.4343, 1.6333);
        try {
            Vector3D actual = (Vector3D) vector3DFormat.parseObject(source);
            assertEquals(expected, actual);
        } catch (ParseException ex) {
            fail(ex.getMessage());
        }
    }

    public void testParseNegativeX() {
        String source =
            "{-1" + getDecimalCharacter() +
            "2323; 1" + getDecimalCharacter() +
            "4343; 1" + getDecimalCharacter() +
            "6333}";
        Vector3D expected = new Vector3D(-1.2323, 1.4343, 1.6333);
        try {
            Vector3D actual = (Vector3D) vector3DFormat.parseObject(source);
            assertEquals(expected, actual);
        } catch (ParseException ex) {
            fail(ex.getMessage());
        }
    }

    public void testParseNegativeY() {
        String source =
            "{1" + getDecimalCharacter() +
            "2323; -1" + getDecimalCharacter() +
            "4343; 1" + getDecimalCharacter() +
            "6333}";
        Vector3D expected = new Vector3D(1.2323, -1.4343, 1.6333);
        try {
            Vector3D actual = (Vector3D) vector3DFormat.parseObject(source);
            assertEquals(expected, actual);
        } catch (ParseException ex) {
            fail(ex.getMessage());
        }
    }

    public void testParseNegativeZ() {
        String source =
            "{1" + getDecimalCharacter() +
            "2323; 1" + getDecimalCharacter() +
            "4343; -1" + getDecimalCharacter() +
            "6333}";
        Vector3D expected = new Vector3D(1.2323, 1.4343, -1.6333);
        try {
            Vector3D actual = (Vector3D) vector3DFormat.parseObject(source);
            assertEquals(expected, actual);
        } catch (ParseException ex) {
            fail(ex.getMessage());
        }
    }

    public void testParseNegativeAll() {
        String source =
            "{-1" + getDecimalCharacter() +
            "2323; -1" + getDecimalCharacter() +
            "4343; -1" + getDecimalCharacter() +
            "6333}";
        Vector3D expected = new Vector3D(-1.2323, -1.4343, -1.6333);
        try {
            Vector3D actual = (Vector3D) vector3DFormat.parseObject(source);
            assertEquals(expected, actual);
        } catch (ParseException ex) {
            fail(ex.getMessage());
        }
    }

    public void testParseZeroX() {
        String source =
            "{0" + getDecimalCharacter() +
            "0; -1" + getDecimalCharacter() +
            "4343; 1" + getDecimalCharacter() +
            "6333}";
        Vector3D expected = new Vector3D(0.0, -1.4343, 1.6333);
        try {
            Vector3D actual = (Vector3D) vector3DFormat.parseObject(source);
            assertEquals(expected, actual);
        } catch (ParseException ex) {
            fail(ex.getMessage());
        }
    }

    public void testParseNonDefaultSetting() {
        String source =
            "[1" + getDecimalCharacter() +
            "2323 : 1" + getDecimalCharacter() +
            "4343 : 1" + getDecimalCharacter() +
            "6333]";
        Vector3D expected = new Vector3D(1.2323, 1.4343, 1.6333);
        try {
            Vector3D actual = (Vector3D) vector3DFormatSquare.parseObject(source);
            assertEquals(expected, actual);
        } catch (ParseException ex) {
            fail(ex.getMessage());
        }
    }

    public void testParseNan() {
        String source = "{(NaN); (NaN); (NaN)}";
        try {
            Vector3D actual = (Vector3D) vector3DFormat.parseObject(source);
            assertEquals(Vector3D.NaN, actual);
        } catch (ParseException ex) {
            fail(ex.getMessage());
        }
    }

    public void testParsePositiveInfinity() {
        String source = "{(Infinity); (Infinity); (Infinity)}";
        try {
            Vector3D actual = (Vector3D)vector3DFormat.parseObject(source);
            assertEquals(Vector3D.POSITIVE_INFINITY, actual);
        } catch (ParseException ex) {
            fail(ex.getMessage());
        }
    }

    public void testParseNegativeInfinity() {
        String source = "{(-Infinity); (-Infinity); (-Infinity)}";
        try {
            Vector3D actual = (Vector3D)vector3DFormat.parseObject(source);
            assertEquals(Vector3D.NEGATIVE_INFINITY, actual);
        } catch (ParseException ex) {
            fail(ex.getMessage());
        }
    }

    public void testConstructorSingleFormat() {
        NumberFormat nf = NumberFormat.getInstance();
        Vector3DFormat cf = new Vector3DFormat(nf);
        assertNotNull(cf);
        assertEquals(nf, cf.getFormat());
    }

    public void testFormatObject() {
        try {
            CompositeFormat cf = new Vector3DFormat();
            Object object = new Object();
            cf.format(object);
            fail();
        } catch (IllegalArgumentException ex) {
            // success
        }
    }

    public void testForgottenPrefix() {
        ParsePosition pos = new ParsePosition(0);
        assertNull(new Vector3DFormat().parse("1; 1; 1}", pos));
        assertEquals(0, pos.getErrorIndex());
    }

    public void testForgottenSeparator() {
        ParsePosition pos = new ParsePosition(0);
        assertNull(new Vector3DFormat().parse("{1; 1 1}", pos));
        assertEquals(6, pos.getErrorIndex());
    }

    public void testForgottenSuffix() {
        ParsePosition pos = new ParsePosition(0);
        assertNull(new Vector3DFormat().parse("{1; 1; 1 ", pos));
        assertEquals(8, pos.getErrorIndex());
    }

}