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
35 lines
870 B
Java
35 lines
870 B
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.assertTimeoutPreemptively;
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import java.time.Duration;
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public class BankAccountTransferDeadlockTest {
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@Test
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void deadlockFreeTransfers() {
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assertTimeoutPreemptively(Duration.ofSeconds(5), () -> {
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BankAccount a = new BankAccount(1, 1_000_000);
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BankAccount b = new BankAccount(2, 1_000_000);
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ExecutorService executor = Executors.newFixedThreadPool(50);
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for (int i = 0; i < 50_000; i++) {
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executor.submit(() -> a.transfer(b, 1));
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executor.submit(() -> b.transfer(a, 1));
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}
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executor.shutdown();
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executor.awaitTermination(5, TimeUnit.SECONDS);
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});
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}
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} |