ComplexNumberTest.java

/**
 * Copyright (C) 2009 - present by OpenGamma Inc. and the OpenGamma group of companies
 *
 * Please see distribution for license.
 */
package com.opengamma.strata.math.impl;

import static org.testng.AssertJUnit.assertEquals;
import static org.testng.AssertJUnit.assertFalse;

import org.testng.annotations.Test;

/**
 * Test.
 */
@Test
public class ComplexNumberTest {

  private static final ComplexNumber Z1 = new ComplexNumber(1, 2);
  private static final ComplexNumber Z2 = new ComplexNumber(1, 2);
  private static final ComplexNumber Z3 = new ComplexNumber(1, 3);
  private static final ComplexNumber Z4 = new ComplexNumber(2, 2);
  private static final ComplexNumber Z5 = new ComplexNumber(2, 3);

  @Test(expectedExceptions = UnsupportedOperationException.class)
  public void testByteValue() {
    Z1.byteValue();
  }

  @Test(expectedExceptions = UnsupportedOperationException.class)
  public void testIntValue() {
    Z1.intValue();
  }

  @Test(expectedExceptions = UnsupportedOperationException.class)
  public void testLongValue() {
    Z1.longValue();
  }

  @Test(expectedExceptions = UnsupportedOperationException.class)
  public void testFloatValue() {
    Z1.floatValue();
  }

  @Test(expectedExceptions = UnsupportedOperationException.class)
  public void testDoubleValue() {
    Z1.doubleValue();
  }

  @Test
  public void test() {
    assertEquals(Double.valueOf(1), Double.valueOf(Z1.getReal()));
    assertEquals(Double.valueOf(2), Double.valueOf(Z1.getImaginary()));
    assertEquals(Z1, Z2);
    assertEquals(Z1.hashCode(), Z2.hashCode());
    assertEquals("1.0 + 2.0i", Z1.toString());
    assertEquals("1.0 + 0.0i", new ComplexNumber(1, 0).toString());
    assertEquals("0.0 + 2.3i", new ComplexNumber(0, 2.3).toString());
    assertEquals("-1.0 + 0.0i", new ComplexNumber(-1, 0).toString());
    assertEquals("0.0 - 2.3i", new ComplexNumber(0, -2.3).toString());
    assertFalse(Z1.equals(Z3));
    assertFalse(Z1.equals(Z4));
    assertFalse(Z1.equals(Z5));
  }
}