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Implement testOrderBook.java #22

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168 changes: 56 additions & 112 deletions src/test/testOrderBook.java
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Original file line number Diff line number Diff line change
Expand Up @@ -9,163 +9,107 @@ class testOrderBook {

@Test
void placeOneAsk() {
// Init and checking start conditions
// Check default cond
OrderBook testSubject = new OrderBook();
assertEquals(0, testSubject.asks.size());
assertEquals(0, testSubject.bids.size());
assertEquals(-1f, testSubject.bestAskPrice);
assertEquals(-1f, testSubject.bestBidPrice);
assertEquals(0f, testSubject.sittingVolume);
// Operation
Order newAsk = new Order(10.2f, 1.5f, Side.ASK, 1677539237L);
// Append singular ask
Order newAsk = new Order(30f, 3f, Side.ASK, 0L);
testSubject.placeOrder(newAsk);
// Checking Operation
// Verify modified values
assertEquals(1, testSubject.asks.size());
assertEquals(0, testSubject.bids.size());
assertEquals(10.2f, testSubject.asks.getFirst().price);
assertEquals(1.5f, testSubject.asks.getFirst().size);
assertEquals(1677539237L, testSubject.asks.getFirst().createdTs);
assertEquals(10.2f, testSubject.bestAskPrice);
assertEquals(30f, testSubject.asks.getFirst().price);
assertEquals(3f, testSubject.asks.getFirst().size);
assertEquals(0L, testSubject.asks.getFirst().createdTs);
assertEquals(30f, testSubject.bestAskPrice);
assertEquals(-1f, testSubject.bestBidPrice); // Should be unaffected
assertEquals(1.5f, testSubject.sittingVolume);
assertEquals(3f, testSubject.sittingVolume);
}

@Test
void placeOneAskTwo() {
// Init and checking start conditions
void placeTwoAsk() {
// Init default OrderBook (no reason to check default cond)
OrderBook testSubject = new OrderBook();
assertEquals(0, testSubject.asks.size());
assertEquals(0, testSubject.bids.size());
assertEquals(-1f, testSubject.bestAskPrice);
assertEquals(-1f, testSubject.bestBidPrice);
assertEquals(0f, testSubject.sittingVolume);
//Operation
Order newAsk = new Order(5.3f, 0.3f, Side.ASK, 1677599362L);
// Append (first) ask
Order newAsk = new Order(30f, 3f, Side.ASK, 0L);
testSubject.placeOrder(newAsk);
//Checking Operation
// Verify modified values
assertEquals(1, testSubject.asks.size());
assertEquals(0, testSubject.bids.size());
assertEquals(5.3f, testSubject.asks.getFirst().price);
assertEquals(0.3f, testSubject.asks.getFirst().size);
assertEquals(1677599362L, testSubject.asks.getFirst().createdTs);
assertEquals(5.3f, testSubject.bestAskPrice);
assertEquals(-1f, testSubject.bestBidPrice);
assertEquals(0.3f, testSubject.sittingVolume);
assertEquals(30f, testSubject.asks.getFirst().price);
assertEquals(3f, testSubject.asks.getFirst().size);
assertEquals(0L, testSubject.asks.getFirst().createdTs);
assertEquals(30f, testSubject.bestAskPrice);
assertEquals(-1f, testSubject.bestBidPrice); // Should be unaffected
assertEquals(3f, testSubject.sittingVolume);
// Append (second) ask
Order newAsk2 = new Order(92.f, 2.f, Side.ASK, 1L);
testSubject.placeOrder(newAsk2);
// Verify modified values
assertEquals(2, testSubject.asks.size());
assertEquals(0, testSubject.bids.size());
assertEquals(30f, testSubject.asks.getFirst().price);
assertEquals(3f, testSubject.asks.getFirst().size);
assertEquals(0L, testSubject.asks.getFirst().createdTs);
assertEquals(30f, testSubject.bestAskPrice);
assertEquals(-1f, testSubject.bestBidPrice); // Should be unaffected
assertEquals(5f, testSubject.sittingVolume);
}

@Test
void placeOneBid() {
// Init and checking start conditions
// Init default OrderBook (no reason to check default cond)
OrderBook testSubject = new OrderBook();
assertEquals(0, testSubject.asks.size());
assertEquals(0, testSubject.bids.size());
assertEquals(-1f, testSubject.bestAskPrice);
assertEquals(-1f, testSubject.bestBidPrice);
assertEquals(0f, testSubject.sittingVolume);
// Operation
Order newAsk = new Order(3.39f, 0.25f, Side.BID, 1677541289L);
testSubject.placeOrder(newAsk);
// Checking Operation
// Append singular bid
Order newBid = new Order(5f, 0.25f, Side.BID, 0L);
testSubject.placeOrder(newBid);
// Verify modified values
assertEquals(0, testSubject.asks.size());
assertEquals(1, testSubject.bids.size());
assertEquals(3.39f, testSubject.bids.getFirst().price);
assertEquals(5f, testSubject.bids.getFirst().price);
assertEquals(0.25f, testSubject.bids.getFirst().size);
assertEquals(1677541289L, testSubject.bids.getFirst().createdTs);
assertEquals(0L, testSubject.bids.getFirst().createdTs);
assertEquals(-1f, testSubject.bestAskPrice); // Should be unaffected
assertEquals(3.39f, testSubject.bestBidPrice);
assertEquals(5f, testSubject.bestBidPrice);
assertEquals(0.25f, testSubject.sittingVolume);
}

@Test
void placeOneBidTwo() {
// Init and checking start conditions
OrderBook testSubject = new OrderBook();
assertEquals(0, testSubject.asks.size());
assertEquals(0, testSubject.bids.size());
assertEquals(-1f, testSubject.bestAskPrice);
assertEquals(-1f, testSubject.bestBidPrice);
assertEquals(0f, testSubject.sittingVolume);
//Operation
Order newBid = new Order(5.3f, 0.3f, Side.BID, 1677598183L);
testSubject.placeOrder(newBid);
//Checking Operation
assertEquals(0, testSubject.asks.size());
assertEquals(1, testSubject.bids.size());
assertEquals(5.3f, testSubject.bids.getFirst().price);
assertEquals(0.3f, testSubject.bids.getFirst().size);
assertEquals(1677598183L, testSubject.bids.getFirst().createdTs);
assertEquals(-1f, testSubject.bestAskPrice);
assertEquals(5.3f, testSubject.bestBidPrice);
assertEquals(0.3f, testSubject.sittingVolume);
}

@Test
void placeOneAskAndBid() {
// Init and checking start conditions
// Init default OrderBook (no reason to check default cond)
OrderBook testSubject = new OrderBook();
assertEquals(0, testSubject.asks.size());
assertEquals(0, testSubject.bids.size());
assertEquals(-1f, testSubject.bestAskPrice);
assertEquals(-1f, testSubject.bestBidPrice);
assertEquals(0f, testSubject.sittingVolume);
// Operation
Order newAsk = new Order(10.2f, 1.5f, Side.ASK, 1677539237L);
// Append singular ask
Order newAsk = new Order(5f, 1.5f, Side.ASK, 0L);
testSubject.placeOrder(newAsk);
// Checking Operation
// Verify modified values
assertEquals(1, testSubject.asks.size());
assertEquals(0, testSubject.bids.size());
assertEquals(10.2f, testSubject.asks.getFirst().price);
assertEquals(5f, testSubject.asks.getFirst().price);
assertEquals(1.5f, testSubject.asks.getFirst().size);
assertEquals(1677539237L, testSubject.asks.getFirst().createdTs);
assertEquals(10.2f, testSubject.bestAskPrice);
assertEquals(0L, testSubject.asks.getFirst().createdTs);
assertEquals(5f, testSubject.bestAskPrice);
assertEquals(-1f, testSubject.bestBidPrice); // Should be unaffected
assertEquals(1.5f, testSubject.sittingVolume);
//Operation
Order newBid = new Order(5.3f, 0.3f, Side.BID, 1677598183L);
// Append singular bid
Order newBid = new Order(92f, 0.25f, Side.BID, 10L);
testSubject.placeOrder(newBid);
//Checking Operation
// Verify modified values
assertEquals(1, testSubject.asks.size());
assertEquals(1, testSubject.bids.size());
assertEquals(5.3f, testSubject.bids.getFirst().price);
assertEquals(0.3f, testSubject.bids.getFirst().size);
assertEquals(1677598183L, testSubject.bids.getFirst().createdTs);
assertEquals(10.2f, testSubject.bestAskPrice);
assertEquals(5.3f, testSubject.bestBidPrice);
assertEquals(1.8f, testSubject.sittingVolume);
}

@Test
void placeTwoAsk() {
// Init and checking start conditions
OrderBook testSubject = new OrderBook();
assertEquals(0, testSubject.asks.size());
assertEquals(0, testSubject.bids.size());
assertEquals(-1f, testSubject.bestAskPrice);
assertEquals(-1f, testSubject.bestBidPrice);
assertEquals(0f, testSubject.sittingVolume);
// Operation
Order newAsk = new Order(10.2f, 1.5f, Side.ASK, 1677539237L);
testSubject.placeOrder(newAsk);
// Checking Operation
assertEquals(1, testSubject.asks.size());
assertEquals(0, testSubject.bids.size());
assertEquals(10.2f, testSubject.asks.getFirst().price);
assertEquals(1.5f, testSubject.asks.getFirst().size);
assertEquals(1677539237L, testSubject.asks.getFirst().createdTs);
assertEquals(10.2f, testSubject.bestAskPrice);
assertEquals(-1f, testSubject.bestBidPrice); // Should be unaffected
assertEquals(1.5f, testSubject.sittingVolume);
//Operation
Order newAskOne = new Order(5.3f, 0.3f, Side.ASK, 1677598183L);
testSubject.placeOrder(newAskOne);
//Checking Operation
assertEquals(2, testSubject.asks.size());
assertEquals(0, testSubject.bids.size());
assertEquals(5.3f, testSubject.asks.getFirst().price);
assertEquals(0.3f, testSubject.asks.getFirst().size);
assertEquals(1677598183L, testSubject.asks.getFirst().createdTs);
assertEquals(5.3f, testSubject.bestAskPrice);
assertEquals(-1f, testSubject.bestBidPrice);
assertEquals(1.8f, testSubject.sittingVolume);
assertEquals(92f, testSubject.bids.getFirst().price);
assertEquals(0.25f, testSubject.bids.getFirst().size);
assertEquals(10L, testSubject.bids.getFirst().createdTs);
assertEquals(5f, testSubject.bestAskPrice);
assertEquals(92f, testSubject.bestBidPrice);
assertEquals(1.75f, testSubject.sittingVolume);
}
}