Mercurial > jdk8-mips64-public > langtools / file comparison
comparison: test/tools/apt/lib/TestProcessor.java
test/tools/apt/lib/TestProcessor.java
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| 1 /* | |
| 2 * Copyright 2004-2007 Sun Microsystems, Inc. All Rights Reserved. | |
| 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
| 4 * | |
| 5 * This code is free software; you can redistribute it and/or modify it | |
| 6 * under the terms of the GNU General Public License version 2 only, as | |
| 7 * published by the Free Software Foundation. | |
| 8 * | |
| 9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 12 * version 2 for more details (a copy is included in the LICENSE file that | |
| 13 * accompanied this code). | |
| 14 * | |
| 15 * You should have received a copy of the GNU General Public License version | |
| 16 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 18 * | |
| 19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, | |
| 20 * CA 95054 USA or visit www.sun.com if you need additional information or | |
| 21 * have any questions. | |
| 22 */ | |
| 23 | |
| 24 | |
| 25 import java.lang.reflect.Method; | |
| 26 import java.util.*; | |
| 27 import com.sun.mirror.apt.*; | |
| 28 | |
| 29 | |
| 30 /** | |
| 31 * Annotation processor for the @Test annotation. | |
| 32 * Invokes each method so annotated, and verifies the result. | |
| 33 * Throws an Error on failure. | |
| 34 * | |
| 35 * @author Scott Seligman | |
| 36 */ | |
| 37 public class TestProcessor implements AnnotationProcessor { | |
| 38 | |
| 39 AnnotationProcessorEnvironment env; | |
| 40 | |
| 41 // The tester that's running. | |
| 42 Tester tester = Tester.activeTester; | |
| 43 | |
| 44 TestProcessor(AnnotationProcessorEnvironment env, | |
| 45 Tester tester) { | |
| 46 this.env = env; | |
| 47 this.tester = tester; | |
| 48 } | |
| 49 | |
| 50 | |
| 51 /** | |
| 52 * Reflectively invoke the @Test-annotated methods of the live | |
| 53 * tester. Those methods perform the actual exercising of the | |
| 54 * mirror API. Then back here to verify the results by | |
| 55 * reading the live annotations. Convoluted, you say? | |
| 56 */ | |
| 57 public void process() { | |
| 58 System.out.printf("\n> Processing %s\n", tester.getClass()); | |
| 59 | |
| 60 boolean failed = false; // true if a test returns wrong result | |
| 61 | |
| 62 for (Method m : tester.getClass().getDeclaredMethods()) { | |
| 63 Test anno = m.getAnnotation(Test.class); | |
| 64 Ignore ignore = m.getAnnotation(Ignore.class); | |
| 65 if (anno != null) { | |
| 66 if (ignore == null) { | |
| 67 System.out.println(">> Invoking test " + m.getName()); | |
| 68 Object result; | |
| 69 try { | |
| 70 result = m.invoke(tester); | |
| 71 } catch (Exception e) { | |
| 72 throw new Error("Test invocation failed", e); | |
| 73 } | |
| 74 boolean ok = true; // result of this test | |
| 75 if (Collection.class.isAssignableFrom(m.getReturnType())) { | |
| 76 ok = verifyResults((Collection) result, | |
| 77 anno.result(), anno.ordered()); | |
| 78 } else if (m.getReturnType() != void.class) { | |
| 79 ok = verifyResult(result, anno.result()); | |
| 80 } | |
| 81 if (!ok) { | |
| 82 System.out.println(">>> Expected: " + anno); | |
| 83 System.out.println(">>> Got: " + result); | |
| 84 failed = true; | |
| 85 } | |
| 86 } else { | |
| 87 System.out.println(">> Ignoring test " + m.getName()); | |
| 88 if (ignore.value().length() > 0) { | |
| 89 System.out.println(">>> Reason: " + ignore.value()); | |
| 90 } | |
| 91 } | |
| 92 } | |
| 93 } | |
| 94 if (failed) { | |
| 95 throw new Error("Test(s) returned unexpected result"); | |
| 96 } | |
| 97 } | |
| 98 | |
| 99 /** | |
| 100 * Verify that a single-valued (non-Collection) result matches | |
| 101 * its expected value. | |
| 102 */ | |
| 103 private boolean verifyResult(Object result, String[] expected) { | |
| 104 assert expected.length == 1 : | |
| 105 "Single-valued test expecting " + expected.length + " results"; | |
| 106 return expected[0].equals(String.valueOf(result)); | |
| 107 } | |
| 108 | |
| 109 /** | |
| 110 * Verify that a multi-valued result (a Collection) matches | |
| 111 * its expected values. | |
| 112 */ | |
| 113 private boolean verifyResults(Collection result, | |
| 114 String[] expected, boolean ordered) { | |
| 115 if (result.size() != expected.length) { | |
| 116 return false; | |
| 117 } | |
| 118 | |
| 119 // Convert result to an array of strings. | |
| 120 String[] res = new String[result.size()]; | |
| 121 int i = 0; | |
| 122 for (Object e : result) { | |
| 123 res[i++] = String.valueOf(e); | |
| 124 } | |
| 125 | |
| 126 if (!ordered) { | |
| 127 Arrays.sort(res); | |
| 128 Arrays.sort(expected); | |
| 129 } | |
| 130 return Arrays.equals(res, expected); | |
| 131 } | |
| 132 } |
