1 // Protocol Buffers - Google's data interchange format 2 // Copyright 2008 Google Inc. All rights reserved. 3 // http://code.google.com/p/protobuf/ 4 // 5 // Redistribution and use in source and binary forms, with or without 6 // modification, are permitted provided that the following conditions are 7 // met: 8 // 9 // * Redistributions of source code must retain the above copyright 10 // notice, this list of conditions and the following disclaimer. 11 // * Redistributions in binary form must reproduce the above 12 // copyright notice, this list of conditions and the following disclaimer 13 // in the documentation and/or other materials provided with the 14 // distribution. 15 // * Neither the name of Google Inc. nor the names of its 16 // contributors may be used to endorse or promote products derived from 17 // this software without specific prior written permission. 18 // 19 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 20 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 21 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 22 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 23 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 24 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 25 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 26 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 27 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 28 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 29 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 31 package com.google.protobuf; 32 33 import com.google.protobuf.UnittestLite; 34 import com.google.protobuf.UnittestLite.TestAllTypesLite; 35 import com.google.protobuf.UnittestLite.TestAllExtensionsLite; 36 import com.google.protobuf.UnittestLite.TestNestedExtensionLite; 37 38 import junit.framework.TestCase; 39 40 /** 41 * Test lite runtime. 42 * 43 * @author kenton@google.com Kenton Varda 44 */ 45 public class LiteTest extends TestCase { setUp()46 public void setUp() throws Exception { 47 // Test that nested extensions are initialized correctly even if the outer 48 // class has not been accessed directly. This was once a bug with lite 49 // messages. 50 // 51 // We put this in setUp() rather than in its own test method because we 52 // need to make sure it runs before any actual tests. 53 assertTrue(TestNestedExtensionLite.nestedExtension != null); 54 } 55 testLite()56 public void testLite() throws Exception { 57 // Since lite messages are a subset of regular messages, we can mostly 58 // assume that the functionality of lite messages is already thoroughly 59 // tested by the regular tests. All this test really verifies is that 60 // a proto with optimize_for = LITE_RUNTIME compiles correctly when 61 // linked only against the lite library. That is all tested at compile 62 // time, leaving not much to do in this method. Let's just do some random 63 // stuff to make sure the lite message is actually here and usable. 64 65 TestAllTypesLite message = 66 TestAllTypesLite.newBuilder() 67 .setOptionalInt32(123) 68 .addRepeatedString("hello") 69 .setOptionalNestedMessage( 70 TestAllTypesLite.NestedMessage.newBuilder().setBb(7)) 71 .build(); 72 73 ByteString data = message.toByteString(); 74 75 TestAllTypesLite message2 = TestAllTypesLite.parseFrom(data); 76 77 assertEquals(123, message2.getOptionalInt32()); 78 assertEquals(1, message2.getRepeatedStringCount()); 79 assertEquals("hello", message2.getRepeatedString(0)); 80 assertEquals(7, message2.getOptionalNestedMessage().getBb()); 81 } 82 testLiteExtensions()83 public void testLiteExtensions() throws Exception { 84 // TODO(kenton): Unlike other features of the lite library, extensions are 85 // implemented completely differently from the regular library. We 86 // should probably test them more thoroughly. 87 88 TestAllExtensionsLite message = 89 TestAllExtensionsLite.newBuilder() 90 .setExtension(UnittestLite.optionalInt32ExtensionLite, 123) 91 .addExtension(UnittestLite.repeatedStringExtensionLite, "hello") 92 .setExtension(UnittestLite.optionalNestedEnumExtensionLite, 93 TestAllTypesLite.NestedEnum.BAZ) 94 .setExtension(UnittestLite.optionalNestedMessageExtensionLite, 95 TestAllTypesLite.NestedMessage.newBuilder().setBb(7).build()) 96 .build(); 97 98 // Test copying a message, since coping extensions actually does use a 99 // different code path between lite and regular libraries, and as of this 100 // writing, parsing hasn't been implemented yet. 101 TestAllExtensionsLite message2 = message.toBuilder().build(); 102 103 assertEquals(123, (int) message2.getExtension( 104 UnittestLite.optionalInt32ExtensionLite)); 105 assertEquals(1, message2.getExtensionCount( 106 UnittestLite.repeatedStringExtensionLite)); 107 assertEquals(1, message2.getExtension( 108 UnittestLite.repeatedStringExtensionLite).size()); 109 assertEquals("hello", message2.getExtension( 110 UnittestLite.repeatedStringExtensionLite, 0)); 111 assertEquals(TestAllTypesLite.NestedEnum.BAZ, message2.getExtension( 112 UnittestLite.optionalNestedEnumExtensionLite)); 113 assertEquals(7, message2.getExtension( 114 UnittestLite.optionalNestedMessageExtensionLite).getBb()); 115 } 116 } 117