Sat, 22 Dec 2018 13:10:38 -0800
Added tag jdk8u202-b25 for changeset 15d8c732039b
mcimadamore@1415 | 1 | /* |
vromero@2148 | 2 | * Copyright (c) 2012, 2013, Oracle and/or its affiliates. All rights reserved. |
mcimadamore@1415 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
mcimadamore@1415 | 4 | * |
mcimadamore@1415 | 5 | * This code is free software; you can redistribute it and/or modify it |
mcimadamore@1415 | 6 | * under the terms of the GNU General Public License version 2 only, as |
mcimadamore@1415 | 7 | * published by the Free Software Foundation. |
mcimadamore@1415 | 8 | * |
mcimadamore@1415 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
mcimadamore@1415 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
mcimadamore@1415 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
mcimadamore@1415 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
mcimadamore@1415 | 13 | * accompanied this code). |
mcimadamore@1415 | 14 | * |
mcimadamore@1415 | 15 | * You should have received a copy of the GNU General Public License version |
mcimadamore@1415 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
mcimadamore@1415 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
mcimadamore@1415 | 18 | * |
mcimadamore@1415 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
mcimadamore@1415 | 20 | * or visit www.oracle.com if you need additional information or have any |
mcimadamore@1415 | 21 | * questions. |
mcimadamore@1415 | 22 | */ |
mcimadamore@1415 | 23 | |
mcimadamore@1415 | 24 | /* |
mcimadamore@1415 | 25 | * @test |
mcimadamore@1415 | 26 | * @bug 8003280 |
mcimadamore@1415 | 27 | * @summary Add lambda tests |
mcimadamore@1415 | 28 | * Check that self/forward references from lambda expressions behave |
mcimadamore@1415 | 29 | * consistently w.r.t. local inner classes |
mcimadamore@1415 | 30 | */ |
mcimadamore@1415 | 31 | |
mcimadamore@1415 | 32 | import java.net.URI; |
mcimadamore@1415 | 33 | import java.util.Arrays; |
mcimadamore@1415 | 34 | import javax.tools.Diagnostic; |
mcimadamore@1415 | 35 | import javax.tools.JavaCompiler; |
mcimadamore@1415 | 36 | import javax.tools.JavaFileObject; |
mcimadamore@1415 | 37 | import javax.tools.SimpleJavaFileObject; |
mcimadamore@1415 | 38 | import javax.tools.StandardJavaFileManager; |
mcimadamore@1415 | 39 | import javax.tools.ToolProvider; |
vromero@2148 | 40 | import com.sun.source.util.JavacTask; |
mcimadamore@1415 | 41 | |
mcimadamore@1415 | 42 | public class TestSelfRef { |
mcimadamore@1415 | 43 | |
mcimadamore@1415 | 44 | static int checkCount = 0; |
mcimadamore@1415 | 45 | |
mcimadamore@1415 | 46 | enum RefKind { |
mcimadamore@1415 | 47 | SELF_LAMBDA("SAM s = x->{ System.out.println(s); };", true, false), |
mcimadamore@1415 | 48 | FORWARD_LAMBDA("SAM s = x->{ System.out.println(f); };\nObject f = null;", false, true), |
mcimadamore@1415 | 49 | SELF_ANON("Object s = new Object() { void test() { System.out.println(s); } };", true, false), |
mcimadamore@1415 | 50 | FORWARD_ANON("Object s = new Object() { void test() { System.out.println(f); } }; Object f = null;", false, true); |
mcimadamore@1415 | 51 | |
mcimadamore@1415 | 52 | String refStr; |
mcimadamore@1415 | 53 | boolean selfRef; |
mcimadamore@1415 | 54 | boolean forwardRef; |
mcimadamore@1415 | 55 | |
mcimadamore@1415 | 56 | private RefKind(String refStr, boolean selfRef, boolean forwardRef) { |
mcimadamore@1415 | 57 | this.refStr = refStr; |
mcimadamore@1415 | 58 | this.selfRef = selfRef; |
mcimadamore@1415 | 59 | this.forwardRef = forwardRef; |
mcimadamore@1415 | 60 | } |
mcimadamore@1415 | 61 | } |
mcimadamore@1415 | 62 | |
mcimadamore@1415 | 63 | enum EnclosingKind { |
mcimadamore@1415 | 64 | TOPLEVEL("class C { #S }"), |
mcimadamore@1415 | 65 | MEMBER_INNER("class Outer { class C { #S } }"), |
mcimadamore@1415 | 66 | NESTED_INNER("class Outer { static class C { #S } }"); |
mcimadamore@1415 | 67 | |
mcimadamore@1415 | 68 | String enclStr; |
mcimadamore@1415 | 69 | |
mcimadamore@1415 | 70 | private EnclosingKind(String enclStr) { |
mcimadamore@1415 | 71 | this.enclStr = enclStr; |
mcimadamore@1415 | 72 | } |
mcimadamore@1415 | 73 | } |
mcimadamore@1415 | 74 | |
mcimadamore@1415 | 75 | enum InnerKind { |
mcimadamore@1415 | 76 | NONE("#R"), |
mcimadamore@1415 | 77 | LOCAL_NONE("class Local { #R }"), |
mcimadamore@1415 | 78 | LOCAL_MTH("class Local { void test() { #R } }"), |
mcimadamore@1415 | 79 | ANON_NONE("new Object() { #R };"), |
mcimadamore@1415 | 80 | ANON_MTH("new Object() { void test() { #R } };"); |
mcimadamore@1415 | 81 | |
mcimadamore@1415 | 82 | String innerStr; |
mcimadamore@1415 | 83 | |
mcimadamore@1415 | 84 | private InnerKind(String innerStr) { |
mcimadamore@1415 | 85 | this.innerStr = innerStr; |
mcimadamore@1415 | 86 | } |
mcimadamore@1415 | 87 | |
mcimadamore@1415 | 88 | boolean inMethodContext(SiteKind sk) { |
mcimadamore@1415 | 89 | switch (this) { |
mcimadamore@1415 | 90 | case LOCAL_MTH: |
mcimadamore@1415 | 91 | case ANON_MTH: return true; |
mcimadamore@1415 | 92 | case NONE: return sk != SiteKind.NONE; |
mcimadamore@1415 | 93 | default: |
mcimadamore@1415 | 94 | return false; |
mcimadamore@1415 | 95 | } |
mcimadamore@1415 | 96 | } |
mcimadamore@1415 | 97 | } |
mcimadamore@1415 | 98 | |
mcimadamore@1415 | 99 | enum SiteKind { |
mcimadamore@1415 | 100 | NONE("#I"), |
mcimadamore@1415 | 101 | STATIC_INIT("static { #I }"), |
mcimadamore@1415 | 102 | INSTANCE_INIT("{ #I }"), |
mcimadamore@1415 | 103 | CONSTRUCTOR("C() { #I }"), |
mcimadamore@1415 | 104 | METHOD("void test() { #I }"); |
mcimadamore@1415 | 105 | |
mcimadamore@1415 | 106 | String siteStr; |
mcimadamore@1415 | 107 | |
mcimadamore@1415 | 108 | private SiteKind(String siteStr) { |
mcimadamore@1415 | 109 | this.siteStr = siteStr; |
mcimadamore@1415 | 110 | } |
mcimadamore@1415 | 111 | } |
mcimadamore@1415 | 112 | |
mcimadamore@1415 | 113 | public static void main(String... args) throws Exception { |
mcimadamore@1415 | 114 | |
mcimadamore@1415 | 115 | //create default shared JavaCompiler - reused across multiple compilations |
mcimadamore@1415 | 116 | JavaCompiler comp = ToolProvider.getSystemJavaCompiler(); |
mcimadamore@1415 | 117 | StandardJavaFileManager fm = comp.getStandardFileManager(null, null, null); |
mcimadamore@1415 | 118 | |
mcimadamore@1415 | 119 | for (EnclosingKind ek : EnclosingKind.values()) { |
mcimadamore@1415 | 120 | for (SiteKind sk : SiteKind.values()) { |
mcimadamore@1415 | 121 | if (sk == SiteKind.STATIC_INIT && ek == EnclosingKind.MEMBER_INNER) |
mcimadamore@1415 | 122 | continue; |
mcimadamore@1415 | 123 | for (InnerKind ik : InnerKind.values()) { |
mcimadamore@1415 | 124 | if (ik != InnerKind.NONE && sk == SiteKind.NONE) |
mcimadamore@1415 | 125 | break; |
mcimadamore@1415 | 126 | for (RefKind rk : RefKind.values()) { |
mcimadamore@1415 | 127 | new TestSelfRef(ek, sk, ik, rk).run(comp, fm); |
mcimadamore@1415 | 128 | } |
mcimadamore@1415 | 129 | } |
mcimadamore@1415 | 130 | } |
mcimadamore@1415 | 131 | } |
mcimadamore@1415 | 132 | System.out.println("Total check executed: " + checkCount); |
mcimadamore@1415 | 133 | } |
mcimadamore@1415 | 134 | |
mcimadamore@1415 | 135 | EnclosingKind ek; |
mcimadamore@1415 | 136 | SiteKind sk; |
mcimadamore@1415 | 137 | InnerKind ik; |
mcimadamore@1415 | 138 | RefKind rk; |
mcimadamore@1415 | 139 | JavaSource source; |
mcimadamore@1415 | 140 | DiagnosticChecker diagChecker; |
mcimadamore@1415 | 141 | |
mcimadamore@1415 | 142 | TestSelfRef(EnclosingKind ek, SiteKind sk, InnerKind ik, RefKind rk) { |
mcimadamore@1415 | 143 | this.ek = ek; |
mcimadamore@1415 | 144 | this.sk = sk; |
mcimadamore@1415 | 145 | this.ik = ik; |
mcimadamore@1415 | 146 | this.rk = rk; |
mcimadamore@1415 | 147 | this.source = new JavaSource(); |
mcimadamore@1415 | 148 | this.diagChecker = new DiagnosticChecker(); |
mcimadamore@1415 | 149 | } |
mcimadamore@1415 | 150 | |
mcimadamore@1415 | 151 | class JavaSource extends SimpleJavaFileObject { |
mcimadamore@1415 | 152 | |
mcimadamore@1415 | 153 | String bodyTemplate = "interface SAM { void test(Object o); }\n#B"; |
mcimadamore@1415 | 154 | String source; |
mcimadamore@1415 | 155 | |
mcimadamore@1415 | 156 | public JavaSource() { |
mcimadamore@1415 | 157 | super(URI.create("myfo:/Test.java"), JavaFileObject.Kind.SOURCE); |
mcimadamore@1415 | 158 | source = bodyTemplate.replace("#B", |
mcimadamore@1415 | 159 | ek.enclStr.replace("#S", sk.siteStr.replace("#I", ik.innerStr.replace("#R", rk.refStr)))); |
mcimadamore@1415 | 160 | } |
mcimadamore@1415 | 161 | |
mcimadamore@1415 | 162 | @Override |
mcimadamore@1415 | 163 | public CharSequence getCharContent(boolean ignoreEncodingErrors) { |
mcimadamore@1415 | 164 | return source; |
mcimadamore@1415 | 165 | } |
mcimadamore@1415 | 166 | } |
mcimadamore@1415 | 167 | |
mcimadamore@1415 | 168 | void run(JavaCompiler tool, StandardJavaFileManager fm) throws Exception { |
mcimadamore@1415 | 169 | JavacTask ct = (JavacTask)tool.getTask(null, fm, diagChecker, |
mcimadamore@1415 | 170 | null, null, Arrays.asList(source)); |
mcimadamore@1415 | 171 | try { |
mcimadamore@1415 | 172 | ct.analyze(); |
mcimadamore@1415 | 173 | } catch (Throwable ex) { |
mcimadamore@1415 | 174 | throw new AssertionError("Error thron when compiling the following code:\n" + source.getCharContent(true)); |
mcimadamore@1415 | 175 | } |
mcimadamore@1415 | 176 | check(); |
mcimadamore@1415 | 177 | } |
mcimadamore@1415 | 178 | |
vromero@2148 | 179 | boolean isErrorExpected() { |
vromero@2148 | 180 | //illegal forward ref |
vromero@2148 | 181 | boolean result = ik.inMethodContext(sk) && (rk.selfRef || rk.forwardRef); |
vromero@2148 | 182 | result |= (rk == RefKind.SELF_LAMBDA || rk == RefKind.FORWARD_LAMBDA); |
vromero@2148 | 183 | return result; |
vromero@2148 | 184 | } |
vromero@2148 | 185 | |
mcimadamore@1415 | 186 | void check() { |
vromero@2148 | 187 | checkCount++; |
vromero@2148 | 188 | boolean errorExpected = isErrorExpected(); |
mcimadamore@1415 | 189 | if (diagChecker.errorFound != errorExpected) { |
mcimadamore@1415 | 190 | throw new Error("invalid diagnostics for source:\n" + |
mcimadamore@1415 | 191 | source.getCharContent(true) + |
mcimadamore@1415 | 192 | "\nFound error: " + diagChecker.errorFound + |
mcimadamore@1415 | 193 | "\nExpected error: " + errorExpected); |
mcimadamore@1415 | 194 | } |
mcimadamore@1415 | 195 | } |
mcimadamore@1415 | 196 | |
mcimadamore@1415 | 197 | static class DiagnosticChecker implements javax.tools.DiagnosticListener<JavaFileObject> { |
mcimadamore@1415 | 198 | |
mcimadamore@1415 | 199 | boolean errorFound; |
mcimadamore@1415 | 200 | |
mcimadamore@1415 | 201 | public void report(Diagnostic<? extends JavaFileObject> diagnostic) { |
mcimadamore@1415 | 202 | if (diagnostic.getKind() == Diagnostic.Kind.ERROR) { |
mcimadamore@1415 | 203 | errorFound = true; |
mcimadamore@1415 | 204 | } |
mcimadamore@1415 | 205 | } |
mcimadamore@1415 | 206 | } |
mcimadamore@1415 | 207 | } |