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diff --git a/src/test/java/com/google/escapevelocity/MethodFinderTest.java b/src/test/java/com/google/escapevelocity/MethodFinderTest.java
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+/*
+ * Copyright (C) 2019 Google, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.google.escapevelocity;
+
+import static com.google.common.truth.Truth.assertThat;
+import static java.util.stream.Collectors.toSet;
+
+import com.google.common.collect.ImmutableMap;
+import java.lang.reflect.Method;
+import java.lang.reflect.Modifier;
+import java.util.Collections;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.JUnit4;
+
+@RunWith(JUnit4.class)
+public class MethodFinderTest {
+  @Test
+  public void visibleMethodFromClass() throws Exception {
+    Map<String, String> map = Collections.singletonMap("foo", "bar");
+    Class<?> mapClass = map.getClass();
+    assertThat(Modifier.isPublic(mapClass.getModifiers())).isFalse();
+    
+    Method size = mapClass.getMethod("size");
+    Method visibleSize = MethodFinder.visibleMethod(size, mapClass);
+    assertThat(visibleSize.getDeclaringClass().isInterface()).isFalse();
+    assertThat(visibleSize.invoke(map)).isEqualTo(1);
+  }
+
+  @Test
+  public void visibleMethodFromInterface() throws Exception {
+    Map<String, String> map = ImmutableMap.of("foo", "bar");
+    Map.Entry<String, String> entry = map.entrySet().iterator().next();
+    Class<?> entryClass = entry.getClass();
+    assertThat(Modifier.isPublic(entryClass.getModifiers())).isFalse();
+    
+    Method getValue = entryClass.getMethod("getValue");
+    Method visibleGetValue = MethodFinder.visibleMethod(getValue, entryClass);
+    assertThat(visibleGetValue.getDeclaringClass().isInterface()).isTrue();
+    assertThat(visibleGetValue.invoke(entry)).isEqualTo("bar");
+  }
+
+  @Test
+  public void publicMethodsWithName() {
+    List<String> list = Collections.singletonList("foo");
+    Class<?> listClass = list.getClass();
+    assertThat(Modifier.isPublic(listClass.getModifiers())).isFalse();
+    
+    MethodFinder methodFinder = new MethodFinder();
+    Set<Method> methods = methodFinder.publicMethodsWithName(listClass, "remove");
+    // This should find at least remove(int) and remove(Object).
+    assertThat(methods.size()).isAtLeast(2);
+    assertThat(methods.stream().map(Method::getName).collect(toSet())).containsExactly("remove");
+    assertThat(methods.stream().allMatch(MethodFinderTest::isPublic)).isTrue();
+    
+    // We should cache the result, meaning we get back the same result if we ask a second time.
+    Set<Method> methods2 = methodFinder.publicMethodsWithName(listClass, "remove");
+    assertThat(methods2).isSameInstanceAs(methods);
+  }
+
+  @Test
+  public void publicMethodsWithName_Nonexistent() {
+    List<String> list = Collections.singletonList("foo");
+    Class<?> listClass = list.getClass();
+    assertThat(Modifier.isPublic(listClass.getModifiers())).isFalse();
+    
+    MethodFinder methodFinder = new MethodFinder();
+    Set<Method> methods = methodFinder.publicMethodsWithName(listClass, "nonexistentMethod");
+    assertThat(methods).isEmpty();
+  }
+
+  private static boolean isPublic(Method method) {
+    return Modifier.isPublic(method.getModifiers())
+        && Modifier.isPublic(method.getDeclaringClass().getModifiers());
+  }
+}