Examples of com.google.errorprone.bugpatterns.proto.ProtoTest.TestProtoMessage

/**
 * Positive examples for invalid null comparison of a proto message field.
 */
public class ProtoFieldNullComparisonPositiveCases {
  public static void main(String[] args) {
    TestProtoMessage message = TestProtoMessage.newBuilder().build();
    // BUG: Diagnostic contains: message.hasMessage()
    if (message.getMessage() != null) {
      System.out.println("always true");
    // BUG: Diagnostic contains: !message.hasMessage()
    } else if (message.getMessage() == null) {
      System.out.println("impossible");
    // BUG: Diagnostic contains: message.hasMessage()
    } else if (null != message.getMessage()) {
      System.out.println("always true");
    // BUG: Diagnostic contains: message.getMessage().hasField()
    } else if (message.getMessage().getField() != null) {
      System.out.println("always true");
    // BUG: Diagnostic contains: !message.getMultiFieldList().isEmpty()
    } else if (message.getMultiFieldList() != null) {
      System.out.println("always true");
    // BUG: Diagnostic contains: message.getMultiFieldList().isEmpty()
    } else if (null == message.getMultiFieldList()) {
      System.out.println("impossible");
    }
  }

/**
 * Negative examples for invalid null comparison of a proto message field.
 */
public class ProtoFieldNullComparisonNegativeCases {
  public static void main(String[] args) {
    TestProtoMessage message = TestProtoMessage.newBuilder().build();
    Object object = new Object();
    if (message.getMessage() != object) {
    } else if (object != message.getMessage()) {
    } else if (message.getMessage().getField() != object) {
    } else if (message.getMultiFieldList() != object) {
    } else if (object == message.getMultiFieldList()) {
    }
  }

Examples of com.google.errorprone.bugpatterns.proto.ProtoTest.TestProtoMessage

Related Classes of com.google.errorprone.bugpatterns.proto.ProtoTest.TestProtoMessage