Tests the safe singleton pattern.
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 | 103580 | 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 | 633190 | 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 | 499570 | 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 | 39140 | 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 | 151780 | 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 | 110250 | 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 | 59240 | 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 | 92350 | ACCEPTABLE | The singleton is observed in full. |