package com.mcorrigal.matchingEngine;
import static com.mcorrigal.matchingEngine.TestConstants.dummyLimitBuyForPrice;
import static org.hamcrest.CoreMatchers.equalTo;
import static org.hamcrest.CoreMatchers.is;
import static org.hamcrest.MatcherAssert.assertThat;
import org.junit.Before;
import org.junit.Test;
import com.mcorrigal.matchingEngine.order.BuyOrder;
import com.mcorrigal.matchingEngine.orderBook.bid.BidOrderComparator;
public class BidOrderComparatorTest {
private BidOrderComparator bidOrderComparator;
private BuyOrder highPricedOrder = dummyLimitBuyForPrice("50");
private BuyOrder lowPricedOrder = dummyLimitBuyForPrice("40");
@Before
public void setUp() {
bidOrderComparator = new BidOrderComparator();
}
@Test
public void lowPricedOrderIsLowerPriorityThanHighPricedOrder() {
assertThat(bidOrderComparator.compare(lowPricedOrder, highPricedOrder), is(equalTo(1)));
}
@Test
public void highPricedOrderIsHigherPriorityThanLowPricedOrder() {
assertThat(bidOrderComparator.compare(highPricedOrder, lowPricedOrder), is(equalTo(-1)));
}
@Test
public void twoEqualPricedOrdersHaveSamePricePriority() {
assertThat(bidOrderComparator.compare(highPricedOrder, highPricedOrder), is(equalTo(0)));
}
}