1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
|
/*******************************************************************************
* Copyright (c) 2019 IBM Corporation.
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.jdt.compiler.apt.tests.processors.elements;
import java.io.IOException;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;
import javax.annotation.processing.Filer;
import javax.annotation.processing.Messager;
import javax.annotation.processing.ProcessingEnvironment;
import javax.annotation.processing.RoundEnvironment;
import javax.annotation.processing.SupportedAnnotationTypes;
import javax.lang.model.element.Modifier;
import javax.lang.model.element.TypeElement;
import javax.tools.JavaFileObject;
import org.eclipse.jdt.compiler.apt.tests.processors.base.BaseProcessor;
/**
* A processor that explores the java 11 specific elements and validates the lambda and
* type annotated elements. To enable this processor, add
* -Aorg.eclipse.jdt.compiler.apt.tests.processors.elements.Java11ElementProcessor to the command line.
* @since 3.14
*/
@SupportedAnnotationTypes("*")
public class Java11ElementProcessor extends BaseProcessor {
boolean reportSuccessAlready = true;
RoundEnvironment roundEnv = null;
Messager _messager = null;
Filer _filer = null;
@Override
public synchronized void init(ProcessingEnvironment processingEnv) {
super.init(processingEnv);
_elementUtils = processingEnv.getElementUtils();
_messager = processingEnv.getMessager();
_filer = processingEnv.getFiler();
}
// Always return false from this processor, because it supports "*".
// The return value does not signify success or failure!
@Override
public boolean process(Set<? extends TypeElement> annotations, RoundEnvironment roundEnv) {
if (roundEnv.processingOver()) {
return false;
}
this.roundEnv = roundEnv;
Map<String, String> options = processingEnv.getOptions();
if (!options.containsKey(this.getClass().getName())) {
// Disable this processor unless we are intentionally performing the test.
return false;
} else {
try {
if (!invokeTestMethods(options)) {
testAll();
}
if (this.reportSuccessAlready) {
super.reportSuccess();
}
} catch (AssertionFailedError e) {
super.reportError(getExceptionStackTrace(e));
} catch (Throwable e) {
e.printStackTrace();
}
}
return false;
}
private boolean invokeTestMethods(Map<String, String> options) throws Throwable {
Method testMethod = null;
Set<String> keys = options.keySet();
boolean testsFound = false;
for (String option : keys) {
if (option.startsWith("test")) {
try {
testMethod = this.getClass().getDeclaredMethod(option, new Class[0]);
if (testMethod != null) {
testsFound = true;
testMethod.invoke(this, new Object[0]);
}
} catch (InvocationTargetException e) {
throw e.getCause();
} catch (Exception e) {
super.reportError(getExceptionStackTrace(e));
}
}
}
return testsFound;
}
public void testAll() throws AssertionFailedError {
}
public void testFiler1() throws IOException {
String typeName = "abc.internal.TypeInAModule";
TypeElement typeElement = _elementUtils.getTypeElement(typeName);
assertNotNull("type element should not be null", typeElement);
Object obj = null;
try {
obj = _filer.createSourceFile("mod.a/" + typeName);
obj = typeName;
} catch (IOException e) {
}
assertNull("Source should not be created", obj);
}
public void testFiler2() throws IOException {
String typeName = "abc.internal.TypeInAModule";
TypeElement typeElement = _elementUtils.getTypeElement(typeName);
assertNotNull("type element should not be null", typeElement);
Object obj = null;
try {
obj = _filer.createSourceFile(typeName);
obj = typeName;
} catch (IOException e) {
}
assertNull("Source should not be created", obj);
}
public void testFiler3() throws IOException {
String typeName = "mod.a/abc.internal.AnotherTypeInAModule";
JavaFileObject obj = null;
try {
obj = _filer.createSourceFile(typeName);
} catch (IOException e) {
}
assertNotNull("Source should have been created", obj);
String name = obj.getName();
if (!name.contains("mod.a")) {
reportError("source should be created inside the module");
}
}
@Override
public void reportError(String msg) {
throw new AssertionFailedError(msg);
}
private String getExceptionStackTrace(Throwable t) {
StringBuffer buf = new StringBuffer(t.getMessage());
StackTraceElement[] traces = t.getStackTrace();
for (int i = 0; i < traces.length; i++) {
StackTraceElement trace = traces[i];
buf.append("\n\tat " + trace);
if (i == 12)
break; // Don't dump all stacks
}
return buf.toString();
}
public void assertModifiers(Set<Modifier> modifiers, String[] expected) {
assertEquals("Incorrect no of modifiers", modifiers.size(), expected.length);
Set<String> actual = new HashSet<String>(expected.length);
for (Modifier modifier : modifiers) {
actual.add(modifier.toString());
}
for(int i = 0, length = expected.length; i < length; i++) {
boolean result = actual.remove(expected[i]);
if (!result) reportError("Modifier not present :" + expected[i]);
}
if (!actual.isEmpty()) {
reportError("Unexpected modifiers present:" + actual.toString());
}
}
public void assertTrue(String msg, boolean value) {
if (!value) reportError(msg);
}
public void assertFalse(String msg, boolean value) {
if (value) reportError(msg);
}
public void assertSame(String msg, Object obj1, Object obj2) {
if (obj1 != obj2) {
reportError(msg + ", should be " + obj1.toString() + " but " + obj2.toString());
}
}
public void assertNotSame(String msg, Object obj1, Object obj2) {
if (obj1 == obj2) {
reportError(msg + ", " + obj1.toString() + " should not be same as " + obj2.toString());
}
}
public void assertNotNull(String msg, Object obj) {
if (obj == null) {
reportError(msg);
}
}
public void assertNull(String msg, Object obj) {
if (obj != null) {
reportError(msg);
}
}
public void assertEquals(String message, Object expected, Object actual) {
if (equalsRegardingNull(expected, actual)) {
return;
} else {
reportError(message + ", expected " + expected.toString() + " but was " + actual.toString());
}
}
public void assertEquals(String message, Object expected, Object alternateExpected, Object actual) {
if (equalsRegardingNull(expected, actual) || equalsRegardingNull(alternateExpected, actual)) {
return;
} else {
reportError(message + ", expected " + expected.toString() + " but was " + actual.toString());
}
}
static boolean equalsRegardingNull(Object expected, Object actual) {
if (expected == null) {
return actual == null;
}
return expected.equals(actual);
}
public void assertEquals(String msg, int expected, int actual) {
if (expected != actual) {
StringBuffer buf = new StringBuffer();
buf.append(msg);
buf.append(", expected " + expected + " but was " + actual);
reportError(buf.toString());
}
}
public void assertEquals(Object expected, Object actual) {
if (expected != actual) {
}
}
private class AssertionFailedError extends Error {
private static final long serialVersionUID = 1L;
public AssertionFailedError(String msg) {
super(msg);
}
}
}
|
