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Testing the annotation processor using the @ExpectedError annotation as suggested by Christian Humer
author Jaroslav Tulach <jaroslav.tulach@oracle.com>
date Mon, 25 May 2015 10:36:30 +0200
parents 24d12404e70a
children f5b49d881909 b1530a6cce8c
comparison
equal deleted inserted replaced
21479:2405d3b983cc 21480:c2b006c5e15f
20 * or visit www.oracle.com if you need additional information or have any 20 * or visit www.oracle.com if you need additional information or have any
21 * questions. 21 * questions.
22 */ 22 */
23 package com.oracle.truffle.api.dsl.test.processor; 23 package com.oracle.truffle.api.dsl.test.processor;
24 24
25 import com.oracle.truffle.api.dsl.ExpectError;
26 import com.oracle.truffle.api.nodes.Node;
25 import com.oracle.truffle.dsl.processor.verify.VerifyTruffleProcessor; 27 import com.oracle.truffle.dsl.processor.verify.VerifyTruffleProcessor;
26 import java.util.Locale; 28 import java.util.Locale;
27 import java.util.ServiceLoader; 29 import java.util.ServiceLoader;
28 import javax.annotation.processing.Processor; 30 import javax.annotation.processing.Processor;
29 import javax.tools.Diagnostic; 31 import javax.tools.Diagnostic;
33 35
34 /** 36 /**
35 * Verify errors emitted by the processor. 37 * Verify errors emitted by the processor.
36 */ 38 */
37 public class TruffleProcessorTest { 39 public class TruffleProcessorTest {
40 //
41 // AnnotationProcessor test using the NetBeans style
42 //
43
38 @Test 44 @Test
39 public void childCannotBeFinal() throws Exception { 45 public void childCannotBeFinal() throws Exception {
40 // @formatter:off 46 // @formatter:off
41 String code = "package x.y.z;\n" + 47 String code = "package x.y.z;\n" +
42 "import com.oracle.truffle.api.nodes.Node;\n" + 48 "import com.oracle.truffle.api.nodes.Node;\n" +
76 return; 82 return;
77 } 83 }
78 } 84 }
79 fail(sb.toString()); 85 fail(sb.toString());
80 } 86 }
87
88 //
89 // and now the Truffle traditional way
90 //
91
92 abstract class MyNode extends Node {
93 @ExpectError("@Child field cannot be final") @Child final MyNode first;
94
95 MyNode(MyNode n) {
96 this.first = n;
97 }
98 }
81 } 99 }