diff --git a/src/test/examplesJava21/desugaredlibrary/MapMultiTest.java b/src/test/examplesJava21/desugaredlibrary/MapMultiTest.java
new file mode 100644
index 0000000..32bf566
--- /dev/null
+++ b/src/test/examplesJava21/desugaredlibrary/MapMultiTest.java
@@ -0,0 +1,145 @@
+// Copyright (c) 2024, the R8 project authors. Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+package desugaredlibrary;
+
+import static com.android.tools.r8.desugar.desugaredlibrary.test.CompilationSpecification.D8_L8DEBUG;
+import static com.android.tools.r8.desugar.desugaredlibrary.test.CompilationSpecification.DEFAULT_SPECIFICATIONS;
+import static com.android.tools.r8.desugar.desugaredlibrary.test.LibraryDesugaringSpecification.JDK11;
+import static com.android.tools.r8.desugar.desugaredlibrary.test.LibraryDesugaringSpecification.JDK11_PATH;
+
+import com.android.tools.r8.NeverInline;
+import com.android.tools.r8.TestParameters;
+import com.android.tools.r8.ToolHelper;
+import com.android.tools.r8.ToolHelper.DexVm.Version;
+import com.android.tools.r8.desugar.desugaredlibrary.DesugaredLibraryTestBase;
+import com.android.tools.r8.desugar.desugaredlibrary.test.CompilationSpecification;
+import com.android.tools.r8.desugar.desugaredlibrary.test.LibraryDesugaringSpecification;
+import com.android.tools.r8.utils.AndroidApiLevel;
+import com.google.common.collect.ImmutableList;
+import java.util.Arrays;
+import java.util.List;
+import org.junit.Assume;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.Parameterized;
+import org.junit.runners.Parameterized.Parameters;
+
+@RunWith(Parameterized.class)
+public class MapMultiTest extends DesugaredLibraryTestBase {
+
+  private static final String[] INVALID_EXPECTED_RESULT = {
+    "class java.lang.NoSuchMethodError", "class java.lang.NoSuchMethodError"
+  };
+  private static final String[] EXPECTED_RESULT = {"[2.02, 4.04]", "[1, 2, 4, 5]"};
+
+  private final TestParameters parameters;
+  private final LibraryDesugaringSpecification libraryDesugaringSpecification;
+  private final CompilationSpecification compilationSpecification;
+
+  @Parameters(name = "{0}, spec: {1}, {2}")
+  public static List<Object[]> data() {
+    return buildParameters(
+        getTestParameters().withDexRuntimesIncludingMaster().withAllApiLevels().build(),
+        // Note that JDK8 is completely broken here.
+        ImmutableList.of(JDK11, JDK11_PATH),
+        DEFAULT_SPECIFICATIONS);
+  }
+
+  public MapMultiTest(
+      TestParameters parameters,
+      LibraryDesugaringSpecification libraryDesugaringSpecification,
+      CompilationSpecification compilationSpecification) {
+    this.parameters = parameters;
+    this.libraryDesugaringSpecification = libraryDesugaringSpecification;
+    this.compilationSpecification = compilationSpecification;
+  }
+
+  public String[] getExpectedResult(boolean desugLib) {
+    if (parameters.getDexRuntimeVersion().isNewerThanOrEqual(Version.V14_0_0)) {
+      if (desugLib && parameters.getApiLevel().isLessThanOrEqualTo(AndroidApiLevel.N)) {
+        // Unfortunately these methods are in android.jar from 14 but not in desugared library
+        // and are not supported.
+        return INVALID_EXPECTED_RESULT;
+      }
+      return EXPECTED_RESULT;
+    }
+    return INVALID_EXPECTED_RESULT;
+  }
+
+  @Test
+  public void testReference() throws Exception {
+    Assume.assumeTrue(
+        "Run only once",
+        libraryDesugaringSpecification == JDK11 && compilationSpecification == D8_L8DEBUG);
+    testForD8()
+        .addInnerClassesAndStrippedOuter(getClass())
+        .setMinApi(parameters)
+        .run(parameters.getRuntime(), Executor.class)
+        .assertSuccessWithOutputLines(getExpectedResult(false));
+  }
+
+  @Test
+  public void testDesugaredLib() throws Exception {
+    testForDesugaredLibrary(parameters, libraryDesugaringSpecification, compilationSpecification)
+        .addInnerClassesAndStrippedOuter(getClass())
+        .enableInliningAnnotations()
+        .allowDiagnosticWarningMessages(parameters.getApiLevel().equals(AndroidApiLevel.MAIN))
+        .overrideLibraryFiles(ToolHelper.getAndroidJar(AndroidApiLevel.MAIN))
+        .addKeepMainRule(Executor.class)
+        .run(parameters.getRuntime(), Executor.class)
+        .assertSuccessWithOutputLines(getExpectedResult(true));
+  }
+
+  static class Executor {
+
+    public static void main(String[] args) {
+      run(External::intMapMulti);
+      run(External::doubleMapMulti);
+    }
+
+    private static void run(Runnable r) {
+      try {
+        r.run();
+      } catch (Throwable t) {
+        System.out.println(t.getClass());
+      }
+    }
+
+    static class External {
+
+      @NeverInline
+      static void intMapMulti() {
+        List<Integer> integers = Arrays.asList(1, 2, 3, 4, 5);
+        double percentage = .01;
+        List<Double> evenDoubles =
+            integers.stream()
+                .<Double>mapMulti(
+                    (integer, consumer) -> {
+                      if (integer % 2 == 0) {
+                        consumer.accept((double) integer * (1 + percentage));
+                      }
+                    })
+                .toList();
+        System.out.println(evenDoubles);
+      }
+
+      @NeverInline
+      static void doubleMapMulti() {
+        List<Double> doubles = Arrays.asList(1.0, 2.0, 3.0, 4.0, 5.0);
+        double percentage = .01;
+        List<Integer> non3Int =
+            doubles.stream()
+                .<Integer>mapMulti(
+                    (doubl, consumer) -> {
+                      if (doubl != 3.0) {
+                        consumer.accept((int) Math.floor(doubl * (1 + percentage)));
+                      }
+                    })
+                .toList();
+        System.out.println(non3Int);
+      }
+    }
+  }
+}
diff --git a/src/test/java/com/android/tools/r8/desugar/desugaredlibrary/ExtractWrapperTypesTest.java b/src/test/java/com/android/tools/r8/desugar/desugaredlibrary/ExtractWrapperTypesTest.java
index b80f174..4fb96c7 100644
--- a/src/test/java/com/android/tools/r8/desugar/desugaredlibrary/ExtractWrapperTypesTest.java
+++ b/src/test/java/com/android/tools/r8/desugar/desugaredlibrary/ExtractWrapperTypesTest.java
@@ -163,7 +163,7 @@
   private static final Set<String> EXPECTED_MISSING_WRAPPERS_JDK8 =
       ImmutableSet.of("java.util.stream.Collector$Characteristics");
 
-  // TODO(b/330457027): mapMulti methods need to be tested.
+  // The mapMulti methods don't work with desugared library, wrapper or not.
   private static final Set<String> EXPECTED_MISSING_WRAPPERS_ANDROID_V =
       ImmutableSet.of(
           "java.util.stream.DoubleStream$DoubleMapMultiConsumer",