/*
* 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.math4.geometry.euclidean.twod;
import java.text.NumberFormat;
import java.text.ParsePosition;
import java.util.Locale;
import org.apache.commons.math4.exception.MathParseException;
import org.apache.commons.math4.geometry.euclidean.twod.Cartesian2D;
import org.apache.commons.math4.geometry.euclidean.twod.Vector2DFormat;
import org.junit.Assert;
import org.junit.Test;
public abstract class Vector2DFormatAbstractTest {
Vector2DFormat vector2DFormat = null;
Vector2DFormat vector2DFormatSquare = null;
protected abstract Locale getLocale();
protected abstract char getDecimalCharacter();
protected Vector2DFormatAbstractTest() {
vector2DFormat = Vector2DFormat.getInstance(getLocale());
final NumberFormat nf = NumberFormat.getInstance(getLocale());
nf.setMaximumFractionDigits(2);
vector2DFormatSquare = new Vector2DFormat("[", "]", " : ", nf);
}
@Test
public void testSimpleNoDecimals() {
Cartesian2D c = new Cartesian2D(1, 1);
String expected = "{1; 1}";
String actual = vector2DFormat.format(c);
Assert.assertEquals(expected, actual);
}
@Test
public void testSimpleWithDecimals() {
Cartesian2D c = new Cartesian2D(1.23, 1.43);
String expected =
"{1" + getDecimalCharacter() +
"23; 1" + getDecimalCharacter() +
"43}";
String actual = vector2DFormat.format(c);
Assert.assertEquals(expected, actual);
}
@Test
public void testSimpleWithDecimalsTrunc() {
Cartesian2D c = new Cartesian2D(1.232323232323, 1.434343434343);
String expected =
"{1" + getDecimalCharacter() +
"2323232323; 1" + getDecimalCharacter() +
"4343434343}";
String actual = vector2DFormat.format(c);
Assert.assertEquals(expected, actual);
}
@Test
public void testNegativeX() {
Cartesian2D c = new Cartesian2D(-1.232323232323, 1.43);
String expected =
"{-1" + getDecimalCharacter() +
"2323232323; 1" + getDecimalCharacter() +
"43}";
String actual = vector2DFormat.format(c);
Assert.assertEquals(expected, actual);
}
@Test
public void testNegativeY() {
Cartesian2D c = new Cartesian2D(1.23, -1.434343434343);
String expected =
"{1" + getDecimalCharacter() +
"23; -1" + getDecimalCharacter() +
"4343434343}";
String actual = vector2DFormat.format(c);
Assert.assertEquals(expected, actual);
}
@Test
public void testNegativeZ() {
Cartesian2D c = new Cartesian2D(1.23, 1.43);
String expected =
"{1" + getDecimalCharacter() +
"23; 1" + getDecimalCharacter() +
"43}";
String actual = vector2DFormat.format(c);
Assert.assertEquals(expected, actual);
}
@Test
public void testNonDefaultSetting() {
Cartesian2D c = new Cartesian2D(1, 1);
String expected = "[1 : 1]";
String actual = vector2DFormatSquare.format(c);
Assert.assertEquals(expected, actual);
}
@Test
public void testDefaultFormatVector2D() {
Locale defaultLocal = Locale.getDefault();
Locale.setDefault(getLocale());
Cartesian2D c = new Cartesian2D(232.22222222222, -342.3333333333);
String expected =
"{232" + getDecimalCharacter() +
"2222222222; -342" + getDecimalCharacter() +
"3333333333}";
String actual = (new Vector2DFormat()).format(c);
Assert.assertEquals(expected, actual);
Locale.setDefault(defaultLocal);
}
@Test
public void testNan() {
Cartesian2D c = Cartesian2D.NaN;
String expected = "{(NaN); (NaN)}";
String actual = vector2DFormat.format(c);
Assert.assertEquals(expected, actual);
}
@Test
public void testPositiveInfinity() {
Cartesian2D c = Cartesian2D.POSITIVE_INFINITY;
String expected = "{(Infinity); (Infinity)}";
String actual = vector2DFormat.format(c);
Assert.assertEquals(expected, actual);
}
@Test
public void tesNegativeInfinity() {
Cartesian2D c = Cartesian2D.NEGATIVE_INFINITY;
String expected = "{(-Infinity); (-Infinity)}";
String actual = vector2DFormat.format(c);
Assert.assertEquals(expected, actual);
}
@Test
public void testParseSimpleNoDecimals() throws MathParseException {
String source = "{1; 1}";
Vector2D expected = new Cartesian2D(1, 1);
Vector2D actual = vector2DFormat.parse(source);
Assert.assertEquals(expected, actual);
}
@Test
public void testParseIgnoredWhitespace() {
Cartesian2D expected = new Cartesian2D(1, 1);
ParsePosition pos1 = new ParsePosition(0);
String source1 = "{1;1}";
Assert.assertEquals(expected, vector2DFormat.parse(source1, pos1));
Assert.assertEquals(source1.length(), pos1.getIndex());
ParsePosition pos2 = new ParsePosition(0);
String source2 = " { 1 ; 1 } ";
Assert.assertEquals(expected, vector2DFormat.parse(source2, pos2));
Assert.assertEquals(source2.length() - 1, pos2.getIndex());
}
@Test
public void testParseSimpleWithDecimals() throws MathParseException {
String source =
"{1" + getDecimalCharacter() +
"23; 1" + getDecimalCharacter() +
"43}";
Vector2D expected = new Cartesian2D(1.23, 1.43);
Vector2D actual = vector2DFormat.parse(source);
Assert.assertEquals(expected, actual);
}
@Test
public void testParseSimpleWithDecimalsTrunc() throws MathParseException {
String source =
"{1" + getDecimalCharacter() +
"2323; 1" + getDecimalCharacter() +
"4343}";
Vector2D expected = new Cartesian2D(1.2323, 1.4343);
Vector2D actual = vector2DFormat.parse(source);
Assert.assertEquals(expected, actual);
}
@Test
public void testParseNegativeX() throws MathParseException {
String source =
"{-1" + getDecimalCharacter() +
"2323; 1" + getDecimalCharacter() +
"4343}";
Vector2D expected = new Cartesian2D(-1.2323, 1.4343);
Vector2D actual = vector2DFormat.parse(source);
Assert.assertEquals(expected, actual);
}
@Test
public void testParseNegativeY() throws MathParseException {
String source =
"{1" + getDecimalCharacter() +
"2323; -1" + getDecimalCharacter() +
"4343}";
Vector2D expected = new Cartesian2D(1.2323, -1.4343);
Vector2D actual = vector2DFormat.parse(source);
Assert.assertEquals(expected, actual);
}
@Test
public void testParseNegativeZ() throws MathParseException {
String source =
"{1" + getDecimalCharacter() +
"2323; 1" + getDecimalCharacter() +
"4343}";
Vector2D expected = new Cartesian2D(1.2323, 1.4343);
Vector2D actual = vector2DFormat.parse(source);
Assert.assertEquals(expected, actual);
}
@Test
public void testParseNegativeAll() throws MathParseException {
String source =
"{-1" + getDecimalCharacter() +
"2323; -1" + getDecimalCharacter() +
"4343}";
Vector2D expected = new Cartesian2D(-1.2323, -1.4343);
Vector2D actual = vector2DFormat.parse(source);
Assert.assertEquals(expected, actual);
}
@Test
public void testParseZeroX() throws MathParseException {
String source =
"{0" + getDecimalCharacter() +
"0; -1" + getDecimalCharacter() +
"4343}";
Vector2D expected = new Cartesian2D(0.0, -1.4343);
Vector2D actual = vector2DFormat.parse(source);
Assert.assertEquals(expected, actual);
}
@Test
public void testParseNonDefaultSetting() throws MathParseException {
String source =
"[1" + getDecimalCharacter() +
"2323 : 1" + getDecimalCharacter() +
"4343]";
Vector2D expected = new Cartesian2D(1.2323, 1.4343);
Vector2D actual = vector2DFormatSquare.parse(source);
Assert.assertEquals(expected, actual);
}
@Test
public void testParseNan() throws MathParseException {
String source = "{(NaN); (NaN)}";
Vector2D actual = vector2DFormat.parse(source);
Assert.assertEquals(Cartesian2D.NaN, actual);
}
@Test
public void testParsePositiveInfinity() throws MathParseException {
String source = "{(Infinity); (Infinity)}";
Vector2D actual = vector2DFormat.parse(source);
Assert.assertEquals(Cartesian2D.POSITIVE_INFINITY, actual);
}
@Test
public void testParseNegativeInfinity() throws MathParseException {
String source = "{(-Infinity); (-Infinity)}";
Vector2D actual = vector2DFormat.parse(source);
Assert.assertEquals(Cartesian2D.NEGATIVE_INFINITY, actual);
}
@Test
public void testConstructorSingleFormat() {
NumberFormat nf = NumberFormat.getInstance();
Vector2DFormat cf = new Vector2DFormat(nf);
Assert.assertNotNull(cf);
Assert.assertEquals(nf, cf.getFormat());
}
@Test
public void testForgottenPrefix() {
ParsePosition pos = new ParsePosition(0);
Assert.assertNull(new Vector2DFormat().parse("1; 1}", pos));
Assert.assertEquals(0, pos.getErrorIndex());
}
@Test
public void testForgottenSeparator() {
ParsePosition pos = new ParsePosition(0);
Assert.assertNull(new Vector2DFormat().parse("{1 1}", pos));
Assert.assertEquals(3, pos.getErrorIndex());
}
@Test
public void testForgottenSuffix() {
ParsePosition pos = new ParsePosition(0);
Assert.assertNull(new Vector2DFormat().parse("{1; 1 ", pos));
Assert.assertEquals(5, pos.getErrorIndex());
}
}