2.4/user/test/com/google/gwt/emultest/java/math/BigIntegerToStringTest.java

/*
 * Copyright 2009 Google Inc.
 * 
 * Licensed 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.
 */

/*
 * 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.
 * 
 * INCLUDES MODIFICATIONS BY GOOGLE.
 */
/**
 * author Elena Semukhina
 */
package com.google.gwt.emultest.java.math;

import com.google.gwt.emultest.java.util.EmulTestBase;

import java.math.BigInteger;

/**
 * Class: java.math.BigInteger Method: toString(int radix).
 */
public class BigIntegerToStringTest extends EmulTestBase {
  /**
   * test negative number of radix 10.
   */
  public void testRadix10Neg() {
    String value = "-2489756308572364789878394872984";
    int radix = 16;
    BigInteger aNumber = new BigInteger(value, radix);
    String result = aNumber.toString(radix);
    assertTrue(result.equals(value));
  }

  /**
   * test positive number of radix 10.
   */
  public void testRadix10Pos() {
    String value = "2387627892347567398736473476";
    int radix = 16;
    BigInteger aNumber = new BigInteger(value, radix);
    String result = aNumber.toString(radix);
    assertTrue(result.equals(value));
  }

  /**
   * test negative number of radix 16.
   */
  public void testRadix16Neg() {
    String value = "-287628a883451b800865c67e8d7ff20";
    int radix = 16;
    BigInteger aNumber = new BigInteger(value, radix);
    String result = aNumber.toString(radix);
    assertTrue(result.equals(value));
  }

  /**
   * test positive number of radix 16.
   */
  public void testRadix16Pos() {
    String value = "287628a883451b800865c67e8d7ff20";
    int radix = 16;
    BigInteger aNumber = new BigInteger(value, radix);
    String result = aNumber.toString(radix);
    assertTrue(result.equals(value));
  }

  /**
   * test negative number of radix 24.
   */
  public void testRadix24Neg() {
    String value = "-287628a88gmn3451b8ijk00865c67e8d7ff20";
    int radix = 24;
    BigInteger aNumber = new BigInteger(value, radix);
    String result = aNumber.toString(radix);
    assertTrue(result.equals(value));
  }

  /**
   * test positive number of radix 24.
   */
  public void testRadix24Pos() {
    String value = "287628a883451bg80ijhk0865c67e8d7ff20";
    int radix = 24;
    BigInteger aNumber = new BigInteger(value, radix);
    String result = aNumber.toString(radix);
    assertTrue(result.equals(value));
  }

  /**
   * test negative number of radix 2.
   */
  public void testRadix2Neg() {
    String value = "-101001100010010001001010101110000101010110001010010101010101010101010101010101010101010101010010101";
    int radix = 2;
    BigInteger aNumber = new BigInteger(value, radix);
    String result = aNumber.toString(radix);
    assertTrue(result.equals(value));
  }

  /**
   * test positive number of radix 2.
   */
  public void testRadix2Pos() {
    String value = "101000011111000000110101010101010101010001001010101010101010010101010101010000100010010";
    int radix = 2;
    BigInteger aNumber = new BigInteger(value, radix);
    String result = aNumber.toString(radix);
    assertTrue(result.equals(value));
  }

  /**
   * test negative number of radix 24.
   */
  public void testRadix36Neg() {
    String value = "-uhguweut98iu4h3478tq3985pq98yeiuth33485yq4aiuhalai485yiaehasdkr8tywi5uhslei8";
    int radix = 36;
    BigInteger aNumber = new BigInteger(value, radix);
    String result = aNumber.toString(radix);
    assertTrue(result.equals(value));
  }

  /**
   * test positive number of radix 24.
   */
  public void testRadix36Pos() {
    String value = "23895lt45y6vhgliuwhgi45y845htsuerhsi4586ysuerhtsio5y68peruhgsil4568ypeorihtse48y6";
    int radix = 36;
    BigInteger aNumber = new BigInteger(value, radix);
    String result = aNumber.toString(radix);
    assertTrue(result.equals(value));
  }

  /**
   * If 36 < radix < 2 it should be set to 10.
   */
  public void testRadixOutOfRange() {
    String value = "442429234853876401";
    int radix = 10;
    BigInteger aNumber = new BigInteger(value, radix);
    String result = aNumber.toString(45);
    assertTrue(result.equals(value));
  }
}