Tests the safe singleton pattern.
JVM options: [-server, -XX:-TieredCompilation] Iterations: 5 Time: 200
| Observed state | Occurrence | Expectation | Interpretation |
|---|---|---|---|
| 0 | 0 | FORBIDDEN | Factory returned null singleton. |
| 1 | 0 | FORBIDDEN | The singleton data is null. |
| 42 | 78890 | ACCEPTABLE | The singleton is observed in full. |
JVM options: [-Xint] Iterations: 5 Time: 200
| Observed state | Occurrence | Expectation | Interpretation |
|---|---|---|---|
| 0 | 0 | FORBIDDEN | Factory returned null singleton. |
| 1 | 0 | FORBIDDEN | The singleton data is null. |
| 42 | 86000 | ACCEPTABLE | The singleton is observed in full. |
JVM options: [-client, -XX:-TieredCompilation] Iterations: 5 Time: 200
| Observed state | Occurrence | Expectation | Interpretation |
|---|---|---|---|
| 0 | 0 | FORBIDDEN | Factory returned null singleton. |
| 1 | 0 | FORBIDDEN | The singleton data is null. |
| 42 | 318690 | ACCEPTABLE | The singleton is observed in full. |
JVM options: [-client] Iterations: 5 Time: 200
| Observed state | Occurrence | Expectation | Interpretation |
|---|---|---|---|
| 0 | 0 | FORBIDDEN | Factory returned null singleton. |
| 1 | 0 | FORBIDDEN | The singleton data is null. |
| 42 | 920 | ACCEPTABLE | The singleton is observed in full. |
JVM options: [-server, -XX:-TieredCompilation, -XX:+UnlockDiagnosticVMOptions, -XX:+StressLCM, -XX:+StressGCM] Iterations: 5 Time: 200
| Observed state | Occurrence | Expectation | Interpretation |
|---|---|---|---|
| 0 | 0 | FORBIDDEN | Factory returned null singleton. |
| 1 | 0 | FORBIDDEN | The singleton data is null. |
| 42 | 41180 | ACCEPTABLE | The singleton is observed in full. |
JVM options: [-XX:TieredStopAtLevel=1] Iterations: 5 Time: 200
| Observed state | Occurrence | Expectation | Interpretation |
|---|---|---|---|
| 0 | 0 | FORBIDDEN | Factory returned null singleton. |
| 1 | 0 | FORBIDDEN | The singleton data is null. |
| 42 | 1180 | ACCEPTABLE | The singleton is observed in full. |
JVM options: [-server, -XX:+UnlockDiagnosticVMOptions, -XX:+StressLCM, -XX:+StressGCM] Iterations: 5 Time: 200
| Observed state | Occurrence | Expectation | Interpretation |
|---|---|---|---|
| 0 | 0 | FORBIDDEN | Factory returned null singleton. |
| 1 | 0 | FORBIDDEN | The singleton data is null. |
| 42 | 7460 | ACCEPTABLE | The singleton is observed in full. |
JVM options: [-server] Iterations: 5 Time: 200
| Observed state | Occurrence | Expectation | Interpretation |
|---|---|---|---|
| 0 | 0 | FORBIDDEN | Factory returned null singleton. |
| 1 | 0 | FORBIDDEN | The singleton data is null. |
| 42 | 214950 | ACCEPTABLE | The singleton is observed in full. |