Mercurial > jdk8-mips64-public > langtools / file comparison
comparison: test/tools/javac/processing/model/type/TestUnionType.java
test/tools/javac/processing/model/type/TestUnionType.java
- changeset 0
- 959103a6100f
- child 2525
- 2eb010b6cb22
equal
deleted
inserted
replaced
| -1:000000000000 | 0:959103a6100f |
|---|---|
| 1 /* | |
| 2 * Copyright (c) 2011, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | |
| 20 * or visit www.oracle.com if you need additional information or have any | |
| 21 * questions. | |
| 22 */ | |
| 23 | |
| 24 /* | |
| 25 * @test | |
| 26 * @bug 7029150 7025809 | |
| 27 * @summary Test support for union types | |
| 28 * @library /tools/javac/lib | |
| 29 */ | |
| 30 | |
| 31 import java.net.URI; | |
| 32 import java.util.*; | |
| 33 import javax.annotation.processing.*; | |
| 34 import javax.lang.model.element.*; | |
| 35 import javax.lang.model.type.*; | |
| 36 import javax.lang.model.util.*; | |
| 37 import javax.tools.*; | |
| 38 | |
| 39 import com.sun.source.tree.*; | |
| 40 import com.sun.source.util.*; | |
| 41 | |
| 42 public class TestUnionType extends JavacTestingAbstractProcessor { | |
| 43 enum TestKind { | |
| 44 SingleType("E1", "E1", | |
| 45 "VariableTree: E1 e", | |
| 46 "VariableTree: elem EXCEPTION_PARAMETER e", | |
| 47 "VariableTree: elem.type DECLARED", | |
| 48 "VariableTree: elem.type.elem CLASS E1", | |
| 49 "VariableTree: type DECLARED", | |
| 50 "VariableTree: type.elem CLASS E1", | |
| 51 "VariableTree: type.elem.type DECLARED"), | |
| 52 | |
| 53 ValidTypes("E1, E2", "E1 | E2", | |
| 54 "VariableTree: E1 | E2 e", | |
| 55 "VariableTree: elem EXCEPTION_PARAMETER e", | |
| 56 "VariableTree: elem.type UNION Test.E1,Test.E2", | |
| 57 "VariableTree: elem.type.elem null", | |
| 58 "VariableTree: type UNION Test.E1,Test.E2", | |
| 59 "VariableTree: type.elem null"), | |
| 60 | |
| 61 InvalidTypes("E1, E2", "E1 | EMissing", | |
| 62 "VariableTree: E1 | EMissing e", | |
| 63 "VariableTree: elem EXCEPTION_PARAMETER e", | |
| 64 "VariableTree: elem.type UNION Test.E1,EMissing", | |
| 65 "VariableTree: elem.type.elem null", | |
| 66 "VariableTree: type UNION Test.E1,EMissing", | |
| 67 "VariableTree: type.elem null"), | |
| 68 | |
| 69 Uncaught("E1", "E1 | E2", | |
| 70 "VariableTree: E1 | E2 e", | |
| 71 "VariableTree: elem EXCEPTION_PARAMETER e", | |
| 72 "VariableTree: elem.type UNION Test.E1,Test.E2", | |
| 73 "VariableTree: elem.type.elem null", | |
| 74 "VariableTree: type UNION Test.E1,Test.E2", | |
| 75 "VariableTree: type.elem null"); | |
| 76 | |
| 77 TestKind(String throwsTypes, String catchTypes, String... gold) { | |
| 78 this.throwsTypes = throwsTypes; | |
| 79 this.catchTypes = catchTypes; | |
| 80 this.gold = Arrays.asList(gold); | |
| 81 } | |
| 82 | |
| 83 final String throwsTypes; | |
| 84 final String catchTypes; | |
| 85 final List<String> gold; | |
| 86 } | |
| 87 | |
| 88 static class TestFileObject extends SimpleJavaFileObject { | |
| 89 public static final String template = | |
| 90 "class Test {\n" | |
| 91 + " class E1 extends Exception { }\n" | |
| 92 + " class E2 extends Exception { }\n" | |
| 93 + " void doSomething() throws #T { }\n" | |
| 94 + " void test() {\n" | |
| 95 + " try {\n" | |
| 96 + " doSomething();\n" | |
| 97 + " } catch (#C e) {\n" | |
| 98 + " }\n" | |
| 99 + " }\n" | |
| 100 + "}\n"; | |
| 101 | |
| 102 public TestFileObject(TestKind tk) { | |
| 103 super(URI.create("myfo:/Test.java"), JavaFileObject.Kind.SOURCE); | |
| 104 this.tk = tk; | |
| 105 } | |
| 106 | |
| 107 @Override | |
| 108 public CharSequence getCharContent(boolean ignoreEncodingErrors) { | |
| 109 return template | |
| 110 .replace("#T", tk.throwsTypes) | |
| 111 .replace("#C", tk.catchTypes); | |
| 112 } | |
| 113 final TestKind tk; | |
| 114 } | |
| 115 | |
| 116 public static void main(String... args) throws Exception { | |
| 117 JavaCompiler comp = ToolProvider.getSystemJavaCompiler(); | |
| 118 List<String> options = Arrays.asList("-proc:only"); | |
| 119 for (TestKind tk: TestKind.values()) { | |
| 120 System.err.println("Test: " + tk); | |
| 121 TestUnionType p = new TestUnionType(); | |
| 122 JavaFileObject fo = new TestFileObject(tk); | |
| 123 JavaCompiler.CompilationTask task = comp.getTask(null, null, null, options, null, Arrays.asList(fo)); | |
| 124 task.setProcessors(Arrays.asList(p)); | |
| 125 boolean ok = task.call(); | |
| 126 System.err.println("compilation " + (ok ? "passed" : "failed")); | |
| 127 if (!ok) | |
| 128 throw new Exception("compilation failed unexpectedly"); | |
| 129 if (!p.log.equals(tk.gold)) { | |
| 130 System.err.println("Expected output:"); | |
| 131 for (String g: tk.gold) | |
| 132 System.err.println(g); | |
| 133 throw new Exception("unexpected output from test"); | |
| 134 } | |
| 135 System.err.println(); | |
| 136 } | |
| 137 } | |
| 138 | |
| 139 Trees trees; | |
| 140 List<String> log; | |
| 141 | |
| 142 @Override | |
| 143 public void init(ProcessingEnvironment env) { | |
| 144 super.init(env); | |
| 145 trees = Trees.instance(env); | |
| 146 log = new ArrayList<String>(); | |
| 147 } | |
| 148 | |
| 149 @Override | |
| 150 public boolean process(Set<? extends TypeElement> annotations, RoundEnvironment roundEnv) { | |
| 151 if (!roundEnv.processingOver()) { | |
| 152 for (Element e: roundEnv.getRootElements()) { | |
| 153 scan(trees.getPath(e)); | |
| 154 } | |
| 155 } | |
| 156 return true; | |
| 157 } | |
| 158 | |
| 159 void scan(TreePath path) { | |
| 160 new Scanner().scan(path, null); | |
| 161 } | |
| 162 | |
| 163 class Scanner extends TreePathScanner<Void,Void> { | |
| 164 @Override | |
| 165 public Void visitVariable(VariableTree tree, Void ignore) { | |
| 166 TreePath p = getCurrentPath(); | |
| 167 Element e = trees.getElement(p); | |
| 168 if (e.getKind() == ElementKind.EXCEPTION_PARAMETER) { | |
| 169 log("VariableTree: " + tree); | |
| 170 log("VariableTree: elem " + print(e)); | |
| 171 log("VariableTree: elem.type " + print(e.asType())); | |
| 172 log("VariableTree: elem.type.elem " + print(types.asElement(e.asType()))); | |
| 173 TypeMirror tm = trees.getTypeMirror(p); | |
| 174 log("VariableTree: type " + print(tm)); | |
| 175 log("VariableTree: type.elem " + print(types.asElement(tm))); | |
| 176 if (types.asElement(tm) != null) | |
| 177 log("VariableTree: type.elem.type " + print(types.asElement(tm).asType())); | |
| 178 } | |
| 179 return super.visitVariable(tree, null); | |
| 180 } | |
| 181 | |
| 182 String print(TypeMirror tm) { | |
| 183 return (tm == null) ? null : new TypePrinter().visit(tm); | |
| 184 } | |
| 185 | |
| 186 String print(Element e) { | |
| 187 return (e == null) ? null : (e.getKind() + " " + e.getSimpleName()); | |
| 188 } | |
| 189 | |
| 190 void log(String msg) { | |
| 191 System.err.println(msg); | |
| 192 log.add(msg); | |
| 193 } | |
| 194 } | |
| 195 | |
| 196 class TypePrinter extends SimpleTypeVisitor<String, Void> { | |
| 197 @Override | |
| 198 protected String defaultAction(TypeMirror tm, Void ignore) { | |
| 199 return String.valueOf(tm.getKind()); | |
| 200 } | |
| 201 | |
| 202 @Override | |
| 203 public String visitUnion(UnionType t, Void ignore) { | |
| 204 return (t.getKind() + " " + t.getAlternatives()); | |
| 205 } | |
| 206 } | |
| 207 } |
