1 /* 2 * Copyright (C) 2021 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package libcore.libcore.internal; 18 19 import static org.junit.Assert.assertEquals; 20 21 import java.util.Arrays; 22 import libcore.internal.Java11LanguageFeatures; 23 24 import org.junit.Test; 25 import org.junit.Ignore; 26 import org.junit.runner.RunWith; 27 import org.junit.runners.JUnit4; 28 29 @RunWith(JUnit4.class) 30 public class Java11LanguageFeaturesTest { 31 32 @Test testVarForLambda()33 public void testVarForLambda() { 34 assertEquals("ONE TWO THREE", 35 Java11LanguageFeatures.collectUpperCaseStrings( 36 Arrays.asList("one", "two", "three"))); 37 } 38 39 @Test testLocalVariableTypeInference()40 public void testLocalVariableTypeInference() { 41 assertEquals("", Java11LanguageFeatures.guessTheString("42")); 42 assertEquals("The answer to the universe, life and everything", 43 Java11LanguageFeatures.guessTheString( 44 "The answer to the universe, life and everything")); 45 } 46 47 @Test 48 @Ignore("b/210843415") testReflectionOnPrivateNestmate()49 public void testReflectionOnPrivateNestmate() throws Throwable { 50 Java11LanguageFeatures.Person person = new Java11LanguageFeatures.Person("R2D2"); 51 assertEquals("Hello R2D2", person.greet()); 52 } 53 } 54