Tests atomicity of compareAndSet.
JVM options: [-XX:TieredStopAtLevel=1] Iterations: 5 Time: 200
| Observed state | Occurrence | Expectation | Interpretation |
|---|---|---|---|
| false, false, 0.0 | 0 | FORBIDDEN | not both shall fail |
| false, true, 2.0 | 238339 | ACCEPTABLE | actor2 update successfully |
| true, false, 2.3509528E-38 | 1219301 | ACCEPTABLE | actor1 update successfully |
| true, true, 2.0 | 0 | FORBIDDEN | not both shall succeed |
| true, true, 2.3509528E-38 | 0 | FORBIDDEN | not both shall succeed |
JVM options: [-server] Iterations: 5 Time: 200
| Observed state | Occurrence | Expectation | Interpretation |
|---|---|---|---|
| false, false, 0.0 | 0 | FORBIDDEN | not both shall fail |
| false, true, 2.0 | 262053 | ACCEPTABLE | actor2 update successfully |
| true, false, 2.3509528E-38 | 755517 | ACCEPTABLE | actor1 update successfully |
| true, true, 2.0 | 0 | FORBIDDEN | not both shall succeed |
| true, true, 2.3509528E-38 | 0 | FORBIDDEN | not both shall succeed |
JVM options: [-server, -XX:-TieredCompilation, -XX:+UnlockDiagnosticVMOptions, -XX:+StressLCM, -XX:+StressGCM] Iterations: 5 Time: 200
| Observed state | Occurrence | Expectation | Interpretation |
|---|---|---|---|
| false, false, 0.0 | 0 | FORBIDDEN | not both shall fail |
| false, true, 2.0 | 576996 | ACCEPTABLE | actor2 update successfully |
| true, false, 2.3509528E-38 | 1868534 | ACCEPTABLE | actor1 update successfully |
| true, true, 2.0 | 0 | FORBIDDEN | not both shall succeed |
| true, true, 2.3509528E-38 | 0 | FORBIDDEN | not both shall succeed |
JVM options: [-client, -XX:-TieredCompilation] Iterations: 5 Time: 200
| Observed state | Occurrence | Expectation | Interpretation |
|---|---|---|---|
| false, false, 0.0 | 0 | FORBIDDEN | not both shall fail |
| false, true, 2.0 | 371099 | ACCEPTABLE | actor2 update successfully |
| true, false, 2.3509528E-38 | 1042491 | ACCEPTABLE | actor1 update successfully |
| true, true, 2.0 | 0 | FORBIDDEN | not both shall succeed |
| true, true, 2.3509528E-38 | 0 | FORBIDDEN | not both shall succeed |
JVM options: [-Xint] Iterations: 5 Time: 200
| Observed state | Occurrence | Expectation | Interpretation |
|---|---|---|---|
| false, false, 0.0 | 0 | FORBIDDEN | not both shall fail |
| false, true, 2.0 | 33 | ACCEPTABLE | actor2 update successfully |
| true, false, 2.3509528E-38 | 29677 | ACCEPTABLE | actor1 update successfully |
| true, true, 2.0 | 0 | FORBIDDEN | not both shall succeed |
| true, true, 2.3509528E-38 | 0 | FORBIDDEN | not both shall succeed |
JVM options: [-client] Iterations: 5 Time: 200
| Observed state | Occurrence | Expectation | Interpretation |
|---|---|---|---|
| false, false, 0.0 | 0 | FORBIDDEN | not both shall fail |
| false, true, 2.0 | 60090 | ACCEPTABLE | actor2 update successfully |
| true, false, 2.3509528E-38 | 213070 | ACCEPTABLE | actor1 update successfully |
| true, true, 2.0 | 0 | FORBIDDEN | not both shall succeed |
| true, true, 2.3509528E-38 | 0 | FORBIDDEN | not both shall succeed |
JVM options: [-server, -XX:+UnlockDiagnosticVMOptions, -XX:+StressLCM, -XX:+StressGCM] Iterations: 5 Time: 200
| Observed state | Occurrence | Expectation | Interpretation |
|---|---|---|---|
| false, false, 0.0 | 0 | FORBIDDEN | not both shall fail |
| false, true, 2.0 | 288052 | ACCEPTABLE | actor2 update successfully |
| true, false, 2.3509528E-38 | 999208 | ACCEPTABLE | actor1 update successfully |
| true, true, 2.0 | 0 | FORBIDDEN | not both shall succeed |
| true, true, 2.3509528E-38 | 0 | FORBIDDEN | not both shall succeed |
JVM options: [-server, -XX:-TieredCompilation] Iterations: 5 Time: 200
| Observed state | Occurrence | Expectation | Interpretation |
|---|---|---|---|
| false, false, 0.0 | 0 | FORBIDDEN | not both shall fail |
| false, true, 2.0 | 15795 | ACCEPTABLE | actor2 update successfully |
| true, false, 2.3509528E-38 | 77835 | ACCEPTABLE | actor1 update successfully |
| true, true, 2.0 | 0 | FORBIDDEN | not both shall succeed |
| true, true, 2.3509528E-38 | 0 | FORBIDDEN | not both shall succeed |