[GitHub] [geode] jdeppe-pivotal commented on a change in pull request #7519: GEODE-10160: fixes SizeableByteArrayList sizing

[GitBox <gi...@apache.org>]

jdeppe-pivotal commented on a change in pull request #7519:
URL: https://github.com/apache/geode/pull/7519#discussion_r840882060



##########
File path: geode-for-redis/src/test/java/org/apache/geode/redis/internal/data/collections/SizeableByteArrayListTest.java
##########
@@ -73,22 +74,190 @@ public void removeObjects_getSizeInBytesIsAccurate() {
     assertThat(list.size()).isEqualTo(0);
   }
 
+  @Test
+  public void removeObject_getSizeInBytesIsAccurate() {
+    // Create a list with an initial size and confirm that it correctly reports its size
+    SizeableByteArrayList list = createList();
+    assertThat(list.getSizeInBytes()).isEqualTo(sizer.sizeof(list));
+
+    // Remove all the elements and assert that the size is correct after each remove
+    Random rand = new Random();
+    for (int i = 0; i < INITIAL_NUMBER_OF_ELEMENTS; ++i) {
+      list.remove(makeByteArrayOfSpecifiedLength(i + 1));
+      assertThat(list.getSizeInBytes()).isEqualTo(sizer.sizeof(list));
+    }
+    assertThat(list.size()).isEqualTo(0);
+  }
+
   @Test
   public void removeIndexes_getSizeInBytesIsAccurate() {
     // Create a list with an initial size and confirm that it correctly reports its size
     SizeableByteArrayList list = createList();
     assertThat(list.getSizeInBytes()).isEqualTo(sizer.sizeof(list));
 
+    // Remove all the elements and assert that the size is correct after each remove
+    for (int i = INITIAL_NUMBER_OF_ELEMENTS - 1; 0 <= i;) {
+      // Remove in batches of 5
+      List<Integer> indexesToRemove = new ArrayList<>(5);
+      for (int j = 0; j < 5 && i >= 0; j++) {
+        indexesToRemove.add(0, i--);
+      }
+      list.removeIndexes(indexesToRemove);
+      assertThat(list.getSizeInBytes()).isEqualTo(sizer.sizeof(list));
+    }
+    assertThat(list.size()).isEqualTo(0);
+  }
+
+  @Test
+  public void removeIndex_getSizeInBytesIsAccurate() {
+    // Create a list with an initial size and confirm that it correctly reports its size
+    SizeableByteArrayList list = createList();
+    assertThat(list.getSizeInBytes()).isEqualTo(sizer.sizeof(list));
+
     // Remove all the elements and assert that the size is correct after each remove
     for (int i = INITIAL_NUMBER_OF_ELEMENTS - 1; 0 <= i; --i) {
-      List<Integer> indexToRemove = new ArrayList<>(1);
-      indexToRemove.add(i);
-      list.removeIndexes(indexToRemove);
+      list.remove(i);
       assertThat(list.getSizeInBytes()).isEqualTo(sizer.sizeof(list));
     }
     assertThat(list.size()).isEqualTo(0);
   }
 
+  @Test
+  public void set_getSizeInBytesIsAccurate() {
+    // Create a list with one initial element and confirm that it correctly reports its size
+    SizeableByteArrayList list = new SizeableByteArrayList();
+    byte[] element = "element name".getBytes(StandardCharsets.UTF_8);

Review comment:
       No need to use a specific Charset here or anywhere else in this test. It should work regardless.




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