Fix failed ScaledFloatFieldMapperTests (#123144) (#123184)

(cherry picked from commit 7326928)

# Conflicts:
#	muted-tests.yml

Co-authored-by: kanoshiou <[email protected]>

Author: lkts

modules/mapper-extras/src/test/java/org/elasticsearch/index/mapper/extras/ScaledFloatFieldMapperTests.java

@@ -31,15 +31,13 @@
 import org.elasticsearch.xcontent.XContentBuilder;
 import org.elasticsearch.xcontent.XContentFactory;
 import org.elasticsearch.xcontent.XContentType;
-import org.hamcrest.Matcher;
 import org.junit.AssumptionViolatedException;
 
 import java.io.IOException;
 import java.util.Collection;
 import java.util.Collections;
 import java.util.List;
 import java.util.Map;
-import java.util.function.Function;
 import java.util.function.Supplier;
 import java.util.stream.Stream;
 
@@ -48,7 +46,6 @@
 import static org.hamcrest.Matchers.empty;
 import static org.hamcrest.Matchers.equalTo;
 import static org.hamcrest.Matchers.is;
-import static org.hamcrest.Matchers.notANumber;
 
 public class ScaledFloatFieldMapperTests extends NumberFieldMapperTests {
 
@@ -382,7 +379,7 @@ public SyntheticSourceExample example(int maxValues) {
             if (randomBoolean()) {
                 Value v = generateValue();
                 if (v.malformedOutput == null) {
-                    return new SyntheticSourceExample(v.input, v.output, roundDocValues(v.output), this::mapping);
+                    return new SyntheticSourceExample(v.input, v.output, this::mapping);
                 }
                 return new SyntheticSourceExample(v.input, v.malformedOutput, null, this::mapping);
             }
@@ -396,9 +393,7 @@ public SyntheticSourceExample example(int maxValues) {
             List<Object> outList = Stream.concat(outputFromDocValues.stream(), malformedOutput).toList();
             Object out = outList.size() == 1 ? outList.get(0) : outList;
 
-            List<Double> outBlockList = outputFromDocValues.stream().map(this::roundDocValues).sorted().toList();
-            Object outBlock = outBlockList.size() == 1 ? outBlockList.get(0) : outBlockList;
-            return new SyntheticSourceExample(in, out, outBlock, this::mapping);
+            return new SyntheticSourceExample(in, out, this::mapping);
         }
 
         private record Value(Object input, Double output, Object malformedOutput) {}
@@ -442,16 +437,6 @@ private double round(double d) {
             return decoded;
         }
 
-        private double roundDocValues(double d) {
-            // Special case due to rounding, see implementation.
-            if (Math.abs(d) == Double.MAX_VALUE) {
-                return d;
-            }
-
-            long encoded = Math.round(d * scalingFactor);
-            return encoded * (1 / scalingFactor);
-        }
-
         private void mapping(XContentBuilder b) throws IOException {
             b.field("type", "scaled_float");
             b.field("scaling_factor", scalingFactor);
@@ -475,14 +460,9 @@ public List<SyntheticSourceInvalidExample> invalidExample() throws IOException {
         }
     }
 
-    @Override
-    protected Function<Object, Object> loadBlockExpected() {
-        return v -> (Number) v;
-    }
-
-    @Override
-    protected Matcher<?> blockItemMatcher(Object expected) {
-        return "NaN".equals(expected) ? notANumber() : equalTo(expected);
+    protected BlockReaderSupport getSupportedReaders(MapperService mapper, String loaderFieldName) {
+        assumeTrue("Disabled, tested by ScaledFloatFieldBlockLoaderTests instead", false);
+        return null;
     }
 
     @Override