Allow setting seed only once, as it is set from superclass constructor

Add tests for Java<->Kotlin Random wrappers. #KT-29520 Fixed
2019-02-10 20:23:18 +03:00
parent 4d0261fc45
commit f50820045a
2 changed files with 61 additions and 1 deletions
@@ -75,7 +75,13 @@ private class KotlinRandom(val impl: Random) : java.util.Random() {
        impl.nextBytes(bytes)
    }

+    private var seedInitialized: Boolean = false
    override fun setSeed(seed: Long) {
-        throw UnsupportedOperationException("Setting seed is not supported.")
+        if (!seedInitialized) {
+            // ignore seed value from constructor
+            seedInitialized = true
+        } else {
+            throw UnsupportedOperationException("Setting seed is not supported.")
+        }
    }
 }