ibessonov commented on code in PR #2319:
URL: https://github.com/apache/ignite-3/pull/2319#discussion_r1265024255
##########
modules/core/src/test/java/org/apache/ignite/internal/causality/IncrementalVersionedValueTest.java:
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@@ -341,6 +344,51 @@ void testCompleteMultipleFutures() {
assertThat(future3, willBe(2));
}
+ /**
+ * Tests that {@link
IncrementalVersionedValue#dependingOn(IncrementalVersionedValue)} provides
causality between 2 different values.
+ */
+ @RepeatedTest(100)
+ public void testDependingOn() {
+ var vv0 = new IncrementalVersionedValue<>(register, () -> 1);
+
+ var vv1 = new IncrementalVersionedValue<>(dependingOn(vv0), () -> 1);
+
+ int token = 1;
+
+ vv0.update(token, (i, e) -> completedFuture(i + 1));
+
+ vv1.update(token, (i, e) -> completedFuture(i + 1));
+
+ register.moveRevision(token);
+
+ // Will always complete in time.
+ vv1.get(token).join();
+
+ assertTrue(vv0.get(token).isDone());
+ }
+
+ /**
+ * Tests that {@link IncrementalVersionedValue#update(long, BiFunction)}
closure is called immediately when underlying value is
+ * accessible, i.e. when there were no other updates.
+ */
+ @Test
+ public void testImmediateUpdate() {
Review Comment:
Done
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