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 | 352610 | 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 | 511880 | 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 | 129970 | 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 | 137970 | 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 | 308990 | 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 | 311820 | 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 | 357580 | 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 | 111930 | ACCEPTABLE | The singleton is observed in full. |