Aryan
74963fbf29
- Introduce BankAccount-focused concurrency tests based on Transaction → Processor → Account flow - Add stress tests for high-contention deposits, withdrawals, and bidirectional transfers - Validate atomicity and consistency across multi-threaded execution scenarios - Include deadlock detection tests under heavy transfer contention - Align all test cases with updated module structure and BankAccount concurrency contract
42 lines
1.0 KiB
Java
42 lines
1.0 KiB
Java
package banking;
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import dev.banking.model.BankAccount;
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import org.junit.jupiter.api.Test;
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import java.util.concurrent.*;
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import static org.junit.jupiter.api.Assertions.assertEquals;
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public class BankAccountDepositWithdrawRaceTest {
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@Test
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void concurrentDepositWithdraw() throws Exception {
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BankAccount account = new BankAccount(1, 1_000_000);
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ExecutorService executor = Executors.newFixedThreadPool(100);
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CountDownLatch latch = new CountDownLatch(100);
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for (int i = 0; i < 50; i++) {
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executor.submit(() -> {
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for (int j = 0; j < 10_000; j++) {
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account.deposit(1);
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}
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latch.countDown();
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});
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executor.submit(() -> {
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for (int j = 0; j < 10_000; j++) {
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account.withdraw(1);
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}
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latch.countDown();
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});
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}
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latch.await();
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executor.shutdown();
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assertEquals(1_000_000, account.getBalance());
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}
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} |