Add tests for recordMinMax=false behavior

Verifies min/max not tracked when disabled.

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

Author: MikeGoldsmith

sdk/metrics/src/test/java/io/opentelemetry/sdk/metrics/internal/aggregator/DoubleBase2ExponentialHistogramAggregatorTest.java

@@ -574,4 +574,27 @@ public void reusablePoint_emptyFirstThenRecordAndCheck() {
     assertThat(point.getPositiveBuckets().getBucketCounts()).isNotEmpty();
     assertThat(point.getNegativeBuckets().getBucketCounts()).isNotEmpty();
   }
+
+  @ParameterizedTest
+  @EnumSource(MemoryMode.class)
+  void testRecordMinMaxDisabled(MemoryMode memoryMode) {
+    DoubleBase2ExponentialHistogramAggregator aggregator =
+        new DoubleBase2ExponentialHistogramAggregator(
+            ExemplarReservoirFactory.noSamples(), 160, 20, /* recordMinMax= */ false, memoryMode);
+    AggregatorHandle<ExponentialHistogramPointData> aggregatorHandle = aggregator.createHandle();
+    aggregatorHandle.recordDouble(0.5, Attributes.empty(), Context.current());
+    aggregatorHandle.recordDouble(1.0, Attributes.empty(), Context.current());
+    aggregatorHandle.recordDouble(12.0, Attributes.empty(), Context.current());
+    aggregatorHandle.recordDouble(15.213, Attributes.empty(), Context.current());
+    aggregatorHandle.recordDouble(-13.2, Attributes.empty(), Context.current());
+    aggregatorHandle.recordDouble(-2.01, Attributes.empty(), Context.current());
+
+    ExponentialHistogramPointData point =
+        aggregatorHandle.aggregateThenMaybeReset(0, 1, Attributes.empty(), /* reset= */ true);
+    assertThat(point).isNotNull();
+    assertThat(point.hasMin()).isFalse();
+    assertThat(point.hasMax()).isFalse();
+    assertThat(point.getSum()).isCloseTo(13.503, Offset.offset(0.0001));
+    assertThat(point.getCount()).isEqualTo(6);
+  }
 }

sdk/metrics/src/test/java/io/opentelemetry/sdk/metrics/internal/aggregator/DoubleExplicitBucketHistogramAggregatorTest.java

@@ -287,4 +287,27 @@ void testReusableDataMemoryMode() {
     // The point data instance should be reused
     assertThat(anotherPointData).isSameAs(pointData);
   }
+
+  @ParameterizedTest
+  @EnumSource(MemoryMode.class)
+  void testRecordMinMaxDisabled(MemoryMode memoryMode) {
+    DoubleExplicitBucketHistogramAggregator aggregator =
+        new DoubleExplicitBucketHistogramAggregator(
+            boundaries,
+            /* recordMinMax= */ false,
+            ExemplarReservoirFactory.noSamples(),
+            memoryMode);
+    AggregatorHandle<HistogramPointData> aggregatorHandle = aggregator.createHandle();
+    aggregatorHandle.recordLong(20, Attributes.empty(), Context.current());
+    aggregatorHandle.recordLong(5, Attributes.empty(), Context.current());
+    aggregatorHandle.recordLong(150, Attributes.empty(), Context.current());
+    aggregatorHandle.recordLong(2000, Attributes.empty(), Context.current());
+    HistogramPointData point =
+        aggregatorHandle.aggregateThenMaybeReset(0, 1, Attributes.empty(), /* reset= */ true);
+    assertThat(point.getSum()).isEqualTo(2175);
+    assertThat(point.hasMin()).isFalse();
+    assertThat(point.hasMax()).isFalse();
+    assertThat(point.getBoundaries()).isEqualTo(boundariesList);
+    assertThat(point.getCounts()).isEqualTo(Arrays.asList(1L, 1L, 1L, 1L));
+  }
 }