Tests the safe singleton pattern.
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 | 6663270 | 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 | 1744480 | 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 | 1831790 | 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 | 184900 | ACCEPTABLE | The singleton is observed in full. |
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 | 1517510 | 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 | 509500 | 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 | 2887220 | 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 | 5605900 | ACCEPTABLE | The singleton is observed in full. |