src/Q3/CreditCardTest.java


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package ca.mokhan.test;

import Q3.*;
import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;

public class CreditCardTest extends TestCase {
  private CreditCard subject;

  public CreditCardTest(String testName) {
    super(testName);
  }

  public static Test suite() {
    return new TestSuite(CreditCardTest.class);
  }

  public void test_getCompany() {
    assertEquals(CreateSUT("4111111111111111").getCompany(), "Visa");
    assertEquals(CreateSUT("5555555555554444").getCompany(), "MasterCard");
    assertEquals(CreateSUT("378282246310005").getCompany(), "American Express");
    assertEquals(CreateSUT("6011111111111117").getCompany(), "Discover");
  }

  public void test_validateLength() {
    assertFalse(CreateSUT("411111111111").validateLength());
    assertTrue(CreateSUT("4111111111111").validateLength());
    assertTrue(CreateSUT("41111111111111").validateLength());
    assertTrue(CreateSUT("411111111111111").validateLength());
    assertTrue(CreateSUT("4111111111111111").validateLength());
    assertFalse(CreateSUT("41111111111111111").validateLength());
  }

  public void test_validateNumber() {
    assertTrue(CreateSUT("4111111111111111").validateNumber());
    assertFalse(CreateSUT("hello").validateNumber());
  }

  public void test_isValid() {
    assertFalse(CreateSUT("49927398717").isValid());
    assertFalse(CreateSUT("1234567812345678").isValid());
    assertTrue(CreateSUT("4111111111111111").isValid());
    assertTrue(CreateSUT("5555555555554444").isValid());
    assertTrue(CreateSUT("378282246310005").isValid());
    assertTrue(CreateSUT("6011111111111117").isValid());
  }

  public void test_getOddSum() {
    assertEquals(42, CreateSUT("49927398716").getOddSum());
    assertEquals(38, CreateSUT("4388576018402626").getOddSum());
  }

  private CreditCard CreateSUT(String number) {
    return new CreditCard(number);
  }

  private CreditCard CreateSUT() {
    return new CreditCard("1234567812345670");
  }
}