[GitHub] [ignite-3] tkalkirill commented on a diff in pull request #1652: IGNITE-18717 Fix parallel read and delete RowVersion for PageMemoryMvPartitionStorage

["tkalkirill (via GitHub)" <gi...@apache.org>]

tkalkirill commented on code in PR #1652:
URL: https://github.com/apache/ignite-3/pull/1652#discussion_r1105533296


##########
modules/page-memory/src/integrationTest/java/org/apache/ignite/internal/pagememory/tree/AbstractBplusTreePageMemoryTest.java:
##########
@@ -2367,6 +2372,138 @@ void testFindNext() throws Exception {
         assertEquals(0L, tree.findNext(-1L, true));
     }
 
+    @Test
+    void testFindOneWithMapper() throws Exception {
+        TestTree tree = createTestTree(true);
+
+        tree.put(0L);
+
+        assertEquals("row0", tree.findOne(0L, row -> "row" + row));
+        assertEquals("rownull", tree.findOne(1L, row -> "row" + row));
+    }
+
+    @Test
+    void testFindWithMapper() throws Exception {
+        TestTree tree = createTestTree(true);
+
+        tree.put(0L);
+        tree.put(1L);
+
+        PeekTreeRowCursor<Long, String> cursor = tree.find(null, null, row -> "row" + row);
+
+        assertNull(cursor.peek());
+
+        assertTrue(cursor.hasNext());
+        assertEquals(0L, cursor.peek());
+        assertEquals("row0", cursor.next());
+
+        assertTrue(cursor.hasNext());
+        assertEquals(1L, cursor.peek());
+        assertEquals("row1", cursor.next());
+
+        assertFalse(cursor.hasNext());
+        assertNull(cursor.peek());
+        assertThrows(NoSuchElementException.class, cursor::next);
+    }
+
+    @Test
+    void testInvokeClosureWithOnUpdateCallbackForPut() throws Exception {
+        TestTree tree = createTestTree(true);
+
+        // Checks insert.
+        CompletableFuture<Void> future0 = new CompletableFuture<>();

Review Comment:
   I'll use mokito, thanks!



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