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Diffstat (limited to 'third_party/protobuf/3.4.0/java/core/src/test/java/com/google/protobuf/FieldPresenceTest.java')
| -rw-r--r-- | third_party/protobuf/3.4.0/java/core/src/test/java/com/google/protobuf/FieldPresenceTest.java | 437 |
1 files changed, 437 insertions, 0 deletions
diff --git a/third_party/protobuf/3.4.0/java/core/src/test/java/com/google/protobuf/FieldPresenceTest.java b/third_party/protobuf/3.4.0/java/core/src/test/java/com/google/protobuf/FieldPresenceTest.java new file mode 100644 index 0000000000..ff686a0cdf --- /dev/null +++ b/third_party/protobuf/3.4.0/java/core/src/test/java/com/google/protobuf/FieldPresenceTest.java @@ -0,0 +1,437 @@ +// Protocol Buffers - Google's data interchange format +// Copyright 2008 Google Inc. All rights reserved. +// https://developers.google.com/protocol-buffers/ +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +package com.google.protobuf; + +import com.google.protobuf.Descriptors.Descriptor; +import com.google.protobuf.Descriptors.EnumDescriptor; +import com.google.protobuf.Descriptors.EnumValueDescriptor; +import com.google.protobuf.Descriptors.FieldDescriptor; +import com.google.protobuf.FieldPresenceTestProto.TestAllTypes; +import com.google.protobuf.FieldPresenceTestProto.TestOptionalFieldsOnly; +import com.google.protobuf.FieldPresenceTestProto.TestRepeatedFieldsOnly; +import protobuf_unittest.UnittestProto; + +import junit.framework.TestCase; + +/** + * Unit tests for protos that doesn't support field presence test for optional + * non-message fields. + */ +public class FieldPresenceTest extends TestCase { + private static boolean hasMethod(Class<?> clazz, String name) { + try { + if (clazz.getMethod(name) != null) { + return true; + } else { + return false; + } + } catch (NoSuchMethodException e) { + return false; + } + } + + private static void assertHasMethodRemoved( + Class<?> classWithFieldPresence, + Class<?> classWithoutFieldPresence, + String camelName) { + assertTrue(hasMethod(classWithFieldPresence, "get" + camelName)); + assertTrue(hasMethod(classWithFieldPresence, "has" + camelName)); + assertTrue(hasMethod(classWithoutFieldPresence, "get" + camelName)); + assertFalse(hasMethod(classWithoutFieldPresence, "has" + camelName)); + } + + public void testHasMethod() { + // Optional non-message fields don't have a hasFoo() method generated. + assertHasMethodRemoved( + UnittestProto.TestAllTypes.class, + TestAllTypes.class, + "OptionalInt32"); + assertHasMethodRemoved( + UnittestProto.TestAllTypes.class, + TestAllTypes.class, + "OptionalString"); + assertHasMethodRemoved( + UnittestProto.TestAllTypes.class, + TestAllTypes.class, + "OptionalBytes"); + assertHasMethodRemoved( + UnittestProto.TestAllTypes.class, + TestAllTypes.class, + "OptionalNestedEnum"); + + assertHasMethodRemoved( + UnittestProto.TestAllTypes.Builder.class, + TestAllTypes.Builder.class, + "OptionalInt32"); + assertHasMethodRemoved( + UnittestProto.TestAllTypes.Builder.class, + TestAllTypes.Builder.class, + "OptionalString"); + assertHasMethodRemoved( + UnittestProto.TestAllTypes.Builder.class, + TestAllTypes.Builder.class, + "OptionalBytes"); + assertHasMethodRemoved( + UnittestProto.TestAllTypes.Builder.class, + TestAllTypes.Builder.class, + "OptionalNestedEnum"); + + // message fields still have the hasFoo() method generated. + assertFalse(TestAllTypes.newBuilder().build().hasOptionalNestedMessage()); + assertFalse(TestAllTypes.newBuilder().hasOptionalNestedMessage()); + + // oneof fields don't have hasFoo() methods for non-message types. + assertHasMethodRemoved( + UnittestProto.TestAllTypes.class, + TestAllTypes.class, + "OneofUint32"); + assertHasMethodRemoved( + UnittestProto.TestAllTypes.class, + TestAllTypes.class, + "OneofString"); + assertHasMethodRemoved( + UnittestProto.TestAllTypes.class, + TestAllTypes.class, + "OneofBytes"); + assertFalse(TestAllTypes.newBuilder().build().hasOneofNestedMessage()); + assertFalse(TestAllTypes.newBuilder().hasOneofNestedMessage()); + + assertHasMethodRemoved( + UnittestProto.TestAllTypes.Builder.class, + TestAllTypes.Builder.class, + "OneofUint32"); + assertHasMethodRemoved( + UnittestProto.TestAllTypes.Builder.class, + TestAllTypes.Builder.class, + "OneofString"); + assertHasMethodRemoved( + UnittestProto.TestAllTypes.Builder.class, + TestAllTypes.Builder.class, + "OneofBytes"); + } + + public void testOneofEquals() throws Exception { + TestAllTypes.Builder builder = TestAllTypes.newBuilder(); + TestAllTypes message1 = builder.build(); + // Set message2's oneof_uint32 field to defalut value. The two + // messages should be different when check with oneof case. + builder.setOneofUint32(0); + TestAllTypes message2 = builder.build(); + assertFalse(message1.equals(message2)); + } + + public void testLazyField() throws Exception { + // Test default constructed message. + TestAllTypes.Builder builder = TestAllTypes.newBuilder(); + TestAllTypes message = builder.build(); + assertFalse(message.hasOptionalLazyMessage()); + assertEquals(0, message.getSerializedSize()); + assertEquals(ByteString.EMPTY, message.toByteString()); + + // Set default instance to the field. + builder.setOptionalLazyMessage(TestAllTypes.NestedMessage.getDefaultInstance()); + message = builder.build(); + assertTrue(message.hasOptionalLazyMessage()); + assertEquals(2, message.getSerializedSize()); + + // Test parse zero-length from wire sets the presence. + TestAllTypes parsed = TestAllTypes.parseFrom(message.toByteString()); + assertTrue(parsed.hasOptionalLazyMessage()); + assertEquals(message.getOptionalLazyMessage(), parsed.getOptionalLazyMessage()); + } + + public void testFieldPresence() { + // Optional non-message fields set to their default value are treated the + // same way as not set. + + // Serialization will ignore such fields. + TestAllTypes.Builder builder = TestAllTypes.newBuilder(); + builder.setOptionalInt32(0); + builder.setOptionalString(""); + builder.setOptionalBytes(ByteString.EMPTY); + builder.setOptionalNestedEnum(TestAllTypes.NestedEnum.FOO); + TestAllTypes message = builder.build(); + assertEquals(0, message.getSerializedSize()); + + // mergeFrom() will ignore such fields. + TestAllTypes.Builder a = TestAllTypes.newBuilder(); + a.setOptionalInt32(1); + a.setOptionalString("x"); + a.setOptionalBytes(ByteString.copyFromUtf8("y")); + a.setOptionalNestedEnum(TestAllTypes.NestedEnum.BAR); + TestAllTypes.Builder b = TestAllTypes.newBuilder(); + b.setOptionalInt32(0); + b.setOptionalString(""); + b.setOptionalBytes(ByteString.EMPTY); + b.setOptionalNestedEnum(TestAllTypes.NestedEnum.FOO); + a.mergeFrom(b.build()); + message = a.build(); + assertEquals(1, message.getOptionalInt32()); + assertEquals("x", message.getOptionalString()); + assertEquals(ByteString.copyFromUtf8("y"), message.getOptionalBytes()); + assertEquals(TestAllTypes.NestedEnum.BAR, message.getOptionalNestedEnum()); + + // equals()/hashCode() should produce the same results. + TestAllTypes empty = TestAllTypes.newBuilder().build(); + message = builder.build(); + assertTrue(empty.equals(message)); + assertTrue(message.equals(empty)); + assertEquals(empty.hashCode(), message.hashCode()); + } + + public void testFieldPresenceByReflection() { + Descriptor descriptor = TestAllTypes.getDescriptor(); + FieldDescriptor optionalInt32Field = descriptor.findFieldByName("optional_int32"); + FieldDescriptor optionalStringField = descriptor.findFieldByName("optional_string"); + FieldDescriptor optionalBytesField = descriptor.findFieldByName("optional_bytes"); + FieldDescriptor optionalNestedEnumField = descriptor.findFieldByName("optional_nested_enum"); + + // Field not present. + TestAllTypes message = TestAllTypes.newBuilder().build(); + assertFalse(message.hasField(optionalInt32Field)); + assertFalse(message.hasField(optionalStringField)); + assertFalse(message.hasField(optionalBytesField)); + assertFalse(message.hasField(optionalNestedEnumField)); + assertEquals(0, message.getAllFields().size()); + + // Field set to default value is seen as not present. + message = TestAllTypes.newBuilder() + .setOptionalInt32(0) + .setOptionalString("") + .setOptionalBytes(ByteString.EMPTY) + .setOptionalNestedEnum(TestAllTypes.NestedEnum.FOO) + .build(); + assertFalse(message.hasField(optionalInt32Field)); + assertFalse(message.hasField(optionalStringField)); + assertFalse(message.hasField(optionalBytesField)); + assertFalse(message.hasField(optionalNestedEnumField)); + assertEquals(0, message.getAllFields().size()); + + // Field set to non-default value is seen as present. + message = TestAllTypes.newBuilder() + .setOptionalInt32(1) + .setOptionalString("x") + .setOptionalBytes(ByteString.copyFromUtf8("y")) + .setOptionalNestedEnum(TestAllTypes.NestedEnum.BAR) + .build(); + assertTrue(message.hasField(optionalInt32Field)); + assertTrue(message.hasField(optionalStringField)); + assertTrue(message.hasField(optionalBytesField)); + assertTrue(message.hasField(optionalNestedEnumField)); + assertEquals(4, message.getAllFields().size()); + } + + public void testFieldPresenceDynamicMessage() { + Descriptor descriptor = TestAllTypes.getDescriptor(); + FieldDescriptor optionalInt32Field = descriptor.findFieldByName("optional_int32"); + FieldDescriptor optionalStringField = descriptor.findFieldByName("optional_string"); + FieldDescriptor optionalBytesField = descriptor.findFieldByName("optional_bytes"); + FieldDescriptor optionalNestedEnumField = descriptor.findFieldByName("optional_nested_enum"); + EnumDescriptor enumDescriptor = optionalNestedEnumField.getEnumType(); + EnumValueDescriptor defaultEnumValueDescriptor = enumDescriptor.getValues().get(0); + EnumValueDescriptor nonDefaultEnumValueDescriptor = enumDescriptor.getValues().get(1); + + DynamicMessage defaultInstance = DynamicMessage.getDefaultInstance(descriptor); + // Field not present. + DynamicMessage message = defaultInstance.newBuilderForType().build(); + assertFalse(message.hasField(optionalInt32Field)); + assertFalse(message.hasField(optionalStringField)); + assertFalse(message.hasField(optionalBytesField)); + assertFalse(message.hasField(optionalNestedEnumField)); + assertEquals(0, message.getAllFields().size()); + + // Field set to non-default value is seen as present. + message = + defaultInstance + .newBuilderForType() + .setField(optionalInt32Field, 1) + .setField(optionalStringField, "x") + .setField(optionalBytesField, ByteString.copyFromUtf8("y")) + .setField(optionalNestedEnumField, nonDefaultEnumValueDescriptor) + .build(); + assertTrue(message.hasField(optionalInt32Field)); + assertTrue(message.hasField(optionalStringField)); + assertTrue(message.hasField(optionalBytesField)); + assertTrue(message.hasField(optionalNestedEnumField)); + assertEquals(4, message.getAllFields().size()); + + // Field set to default value is seen as not present. + message = message.toBuilder() + .setField(optionalInt32Field, 0) + .setField(optionalStringField, "") + .setField(optionalBytesField, ByteString.EMPTY) + .setField(optionalNestedEnumField, defaultEnumValueDescriptor) + .build(); + assertFalse(message.hasField(optionalInt32Field)); + assertFalse(message.hasField(optionalStringField)); + assertFalse(message.hasField(optionalBytesField)); + assertFalse(message.hasField(optionalNestedEnumField)); + assertEquals(0, message.getAllFields().size()); + } + + public void testMessageField() { + TestAllTypes.Builder builder = TestAllTypes.newBuilder(); + assertFalse(builder.hasOptionalNestedMessage()); + assertFalse(builder.build().hasOptionalNestedMessage()); + + TestAllTypes.NestedMessage.Builder nestedBuilder = + builder.getOptionalNestedMessageBuilder(); + assertTrue(builder.hasOptionalNestedMessage()); + assertTrue(builder.build().hasOptionalNestedMessage()); + + nestedBuilder.setValue(1); + assertEquals(1, builder.build().getOptionalNestedMessage().getValue()); + + builder.clearOptionalNestedMessage(); + assertFalse(builder.hasOptionalNestedMessage()); + assertFalse(builder.build().hasOptionalNestedMessage()); + + // Unlike non-message fields, if we set a message field to its default value (i.e., + // default instance), the field should be seen as present. + builder.setOptionalNestedMessage(TestAllTypes.NestedMessage.getDefaultInstance()); + assertTrue(builder.hasOptionalNestedMessage()); + assertTrue(builder.build().hasOptionalNestedMessage()); + } + + public void testSerializeAndParse() throws Exception { + TestAllTypes.Builder builder = TestAllTypes.newBuilder(); + builder.setOptionalInt32(1234); + builder.setOptionalString("hello"); + builder.setOptionalNestedMessage(TestAllTypes.NestedMessage.getDefaultInstance()); + // Set an oneof field to its default value and expect it to be serialized (i.e., + // an oneof field set to the default value should be treated as present). + builder.setOneofInt32(0); + ByteString data = builder.build().toByteString(); + + TestAllTypes message = TestAllTypes.parseFrom(data); + assertEquals(1234, message.getOptionalInt32()); + assertEquals("hello", message.getOptionalString()); + // Fields not set will have the default value. + assertEquals(ByteString.EMPTY, message.getOptionalBytes()); + assertEquals(TestAllTypes.NestedEnum.FOO, message.getOptionalNestedEnum()); + // The message field is set despite that it's set with a default instance. + assertTrue(message.hasOptionalNestedMessage()); + assertEquals(0, message.getOptionalNestedMessage().getValue()); + // The oneof field set to its default value is also present. + assertEquals( + TestAllTypes.OneofFieldCase.ONEOF_INT32, message.getOneofFieldCase()); + } + + // Regression test for b/16173397 + // Make sure we haven't screwed up the code generation for repeated fields. + public void testRepeatedFields() throws Exception { + TestAllTypes.Builder builder = TestAllTypes.newBuilder(); + builder.setOptionalInt32(1234); + builder.setOptionalString("hello"); + builder.setOptionalNestedMessage(TestAllTypes.NestedMessage.getDefaultInstance()); + builder.addRepeatedInt32(4321); + builder.addRepeatedString("world"); + builder.addRepeatedNestedMessage(TestAllTypes.NestedMessage.getDefaultInstance()); + ByteString data = builder.build().toByteString(); + + TestOptionalFieldsOnly optionalOnlyMessage = TestOptionalFieldsOnly.parseFrom(data); + assertEquals(1234, optionalOnlyMessage.getOptionalInt32()); + assertEquals("hello", optionalOnlyMessage.getOptionalString()); + assertTrue(optionalOnlyMessage.hasOptionalNestedMessage()); + assertEquals(0, optionalOnlyMessage.getOptionalNestedMessage().getValue()); + + TestRepeatedFieldsOnly repeatedOnlyMessage = TestRepeatedFieldsOnly.parseFrom(data); + assertEquals(1, repeatedOnlyMessage.getRepeatedInt32Count()); + assertEquals(4321, repeatedOnlyMessage.getRepeatedInt32(0)); + assertEquals(1, repeatedOnlyMessage.getRepeatedStringCount()); + assertEquals("world", repeatedOnlyMessage.getRepeatedString(0)); + assertEquals(1, repeatedOnlyMessage.getRepeatedNestedMessageCount()); + assertEquals(0, repeatedOnlyMessage.getRepeatedNestedMessage(0).getValue()); + } + + public void testIsInitialized() throws Exception { + TestAllTypes.Builder builder = TestAllTypes.newBuilder(); + + // Test optional proto2 message fields. + UnittestProto.TestRequired.Builder proto2Builder = + builder.getOptionalProto2MessageBuilder(); + assertFalse(builder.isInitialized()); + assertFalse(builder.buildPartial().isInitialized()); + + proto2Builder.setA(1).setB(2).setC(3); + assertTrue(builder.isInitialized()); + assertTrue(builder.buildPartial().isInitialized()); + + // Test oneof proto2 message fields. + proto2Builder = builder.getOneofProto2MessageBuilder(); + assertFalse(builder.isInitialized()); + assertFalse(builder.buildPartial().isInitialized()); + + proto2Builder.setA(1).setB(2).setC(3); + assertTrue(builder.isInitialized()); + assertTrue(builder.buildPartial().isInitialized()); + + // Test repeated proto2 message fields. + proto2Builder = builder.addRepeatedProto2MessageBuilder(); + assertFalse(builder.isInitialized()); + assertFalse(builder.buildPartial().isInitialized()); + + proto2Builder.setA(1).setB(2).setC(3); + assertTrue(builder.isInitialized()); + assertTrue(builder.buildPartial().isInitialized()); + } + + + // Test that unknown fields are dropped. + public void testUnknownFields() throws Exception { + TestAllTypes.Builder builder = TestAllTypes.newBuilder(); + builder.setOptionalInt32(1234); + builder.addRepeatedInt32(5678); + TestAllTypes message = builder.build(); + ByteString data = message.toByteString(); + + TestOptionalFieldsOnly optionalOnlyMessage = + TestOptionalFieldsOnly.parseFrom(data); + // UnknownFieldSet should be empty. + assertEquals( + 0, optionalOnlyMessage.getUnknownFields().toByteString().size()); + assertEquals(1234, optionalOnlyMessage.getOptionalInt32()); + message = TestAllTypes.parseFrom(optionalOnlyMessage.toByteString()); + assertEquals(1234, message.getOptionalInt32()); + // The repeated field is discarded because it's unknown to the optional-only + // message. + assertEquals(0, message.getRepeatedInt32Count()); + + DynamicMessage dynamicOptionalOnlyMessage = + DynamicMessage.getDefaultInstance( + TestOptionalFieldsOnly.getDescriptor()) + .getParserForType().parseFrom(data); + assertEquals( + 0, dynamicOptionalOnlyMessage.getUnknownFields().toByteString().size()); + assertEquals(optionalOnlyMessage.toByteString(), + dynamicOptionalOnlyMessage.toByteString()); + } +} |