/*
* Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/*
* @test
* @bug 7046778
* @summary Project Coin: problem with diamond and member inner classes
*/
import com.sun.source.util.JavacTask;
import java.net.URI;
import java.util.Arrays;
import javax.tools.Diagnostic;
import javax.tools.JavaCompiler;
import javax.tools.JavaFileObject;
import javax.tools.SimpleJavaFileObject;
import javax.tools.StandardJavaFileManager;
import javax.tools.ToolProvider;
public class DiamondAndInnerClassTest {
static int checkCount = 0;
enum TypeArgumentKind {
NONE(""),
STRING("<String>"),
INTEGER("<Integer>"),
DIAMOND("<>");
String typeargStr;
private TypeArgumentKind(String typeargStr) {
this.typeargStr = typeargStr;
}
boolean compatible(TypeArgumentKind that) {
switch (this) {
case NONE: return true;
case STRING: return that != INTEGER;
case INTEGER: return that != STRING;
default: throw new AssertionError("Unexpected decl kind: " + this);
}
}
boolean compatible(ArgumentKind that) {
switch (this) {
case NONE: return true;
case STRING: return that == ArgumentKind.STRING;
case INTEGER: return that == ArgumentKind.INTEGER;
default: throw new AssertionError("Unexpected decl kind: " + this);
}
}
}
enum ArgumentKind {
OBJECT("(Object)null"),
STRING("(String)null"),
INTEGER("(Integer)null");
String argStr;
private ArgumentKind(String argStr) {
this.argStr = argStr;
}
}
enum TypeQualifierArity {
ONE(1, "A1#TA1"),
TWO(2, "A1#TA1.A2#TA2"),
THREE(3, "A1#TA1.A2#TA2.A3#TA3");
int n;
String qualifierStr;
private TypeQualifierArity(int n, String qualifierStr) {
this.n = n;
this.qualifierStr = qualifierStr;
}
String getType(TypeArgumentKind... typeArgumentKinds) {
String res = qualifierStr;
for (int i = 1 ; i <= typeArgumentKinds.length ; i++) {
res = res.replace("#TA" + i, typeArgumentKinds[i-1].typeargStr);
}
return res;
}
boolean matches(InnerClassDeclArity innerClassDeclArity) {
return n ==innerClassDeclArity.n;
}
}
enum InnerClassDeclArity {
ONE(1, "class A1<X> { A1(X x1) { } #B }"),
TWO(2, "class A1<X1> { class A2<X2> { A2(X1 x1, X2 x2) { } #B } }"),
THREE(3, "class A1<X1> { class A2<X2> { class A3<X3> { A3(X1 x1, X2 x2, X3 x3) { } #B } } }");
int n;
String classDeclStr;
private InnerClassDeclArity(int n, String classDeclStr) {
this.n = n;
this.classDeclStr = classDeclStr;
}
}
enum ArgumentListArity {
ONE(1, "(#A1)"),
TWO(2, "(#A1,#A2)"),
THREE(3, "(#A1,#A2,#A3)");
int n;
String argListStr;
private ArgumentListArity(int n, String argListStr) {
this.n = n;
this.argListStr = argListStr;
}
String getArgs(ArgumentKind... argumentKinds) {
String res = argListStr;
for (int i = 1 ; i <= argumentKinds.length ; i++) {
res = res.replace("#A" + i, argumentKinds[i-1].argStr);
}
return res;
}
boolean matches(InnerClassDeclArity innerClassDeclArity) {
return n ==innerClassDeclArity.n;
}
}
public static void main(String... args) throws Exception {
//create default shared JavaCompiler - reused across multiple compilations
JavaCompiler comp = ToolProvider.getSystemJavaCompiler();
StandardJavaFileManager fm = comp.getStandardFileManager(null, null, null);
for (InnerClassDeclArity innerClassDeclArity : InnerClassDeclArity.values()) {
for (TypeQualifierArity declType : TypeQualifierArity.values()) {
if (!declType.matches(innerClassDeclArity)) continue;
for (TypeQualifierArity newClassType : TypeQualifierArity.values()) {
if (!newClassType.matches(innerClassDeclArity)) continue;
for (ArgumentListArity argList : ArgumentListArity.values()) {
if (!argList.matches(innerClassDeclArity)) continue;
for (TypeArgumentKind taDecl1 : TypeArgumentKind.values()) {
boolean isDeclRaw = taDecl1 == TypeArgumentKind.NONE;
//no diamond on decl site
if (taDecl1 == TypeArgumentKind.DIAMOND) continue;
for (TypeArgumentKind taSite1 : TypeArgumentKind.values()) {
boolean isSiteRaw = taSite1 == TypeArgumentKind.NONE;
//diamond only allowed on the last type qualifier
if (taSite1 == TypeArgumentKind.DIAMOND &&
innerClassDeclArity != InnerClassDeclArity.ONE) continue;
for (ArgumentKind arg1 : ArgumentKind.values()) {
if (innerClassDeclArity == innerClassDeclArity.ONE) {
new DiamondAndInnerClassTest(innerClassDeclArity, declType, newClassType,
argList, new TypeArgumentKind[] {taDecl1},
new TypeArgumentKind[] {taSite1}, new ArgumentKind[] {arg1}).run(comp, fm);
continue;
}
for (TypeArgumentKind taDecl2 : TypeArgumentKind.values()) {
//no rare types
if (isDeclRaw != (taDecl2 == TypeArgumentKind.NONE)) continue;
//no diamond on decl site
if (taDecl2 == TypeArgumentKind.DIAMOND) continue;
for (TypeArgumentKind taSite2 : TypeArgumentKind.values()) {
//no rare types
if (isSiteRaw != (taSite2 == TypeArgumentKind.NONE)) continue;
//diamond only allowed on the last type qualifier
if (taSite2 == TypeArgumentKind.DIAMOND &&
innerClassDeclArity != InnerClassDeclArity.TWO) continue;
for (ArgumentKind arg2 : ArgumentKind.values()) {
if (innerClassDeclArity == innerClassDeclArity.TWO) {
new DiamondAndInnerClassTest(innerClassDeclArity, declType, newClassType,
argList, new TypeArgumentKind[] {taDecl1, taDecl2},
new TypeArgumentKind[] {taSite1, taSite2},
new ArgumentKind[] {arg1, arg2}).run(comp, fm);
continue;
}
for (TypeArgumentKind taDecl3 : TypeArgumentKind.values()) {
//no rare types
if (isDeclRaw != (taDecl3 == TypeArgumentKind.NONE)) continue;
//no diamond on decl site
if (taDecl3 == TypeArgumentKind.DIAMOND) continue;
for (TypeArgumentKind taSite3 : TypeArgumentKind.values()) {
//no rare types
if (isSiteRaw != (taSite3 == TypeArgumentKind.NONE)) continue;
//diamond only allowed on the last type qualifier
if (taSite3 == TypeArgumentKind.DIAMOND &&
innerClassDeclArity != InnerClassDeclArity.THREE) continue;
for (ArgumentKind arg3 : ArgumentKind.values()) {
if (innerClassDeclArity == innerClassDeclArity.THREE) {
new DiamondAndInnerClassTest(innerClassDeclArity, declType, newClassType,
argList, new TypeArgumentKind[] {taDecl1, taDecl2, taDecl3},
new TypeArgumentKind[] {taSite1, taSite2, taSite3},
new ArgumentKind[] {arg1, arg2, arg3}).run(comp, fm);
continue;
}
}
}
}
}
}
}
}
}
}
}
}
}
}
System.out.println("Total check executed: " + checkCount);
}
InnerClassDeclArity innerClassDeclArity;
TypeQualifierArity declType;
TypeQualifierArity siteType;
ArgumentListArity argList;
TypeArgumentKind[] declTypeArgumentKinds;
TypeArgumentKind[] siteTypeArgumentKinds;
ArgumentKind[] argumentKinds;
JavaSource source;
DiagnosticChecker diagChecker;
DiamondAndInnerClassTest(InnerClassDeclArity innerClassDeclArity,
TypeQualifierArity declType, TypeQualifierArity siteType, ArgumentListArity argList,
TypeArgumentKind[] declTypeArgumentKinds, TypeArgumentKind[] siteTypeArgumentKinds,
ArgumentKind[] argumentKinds) {
this.innerClassDeclArity = innerClassDeclArity;
this.declType = declType;
this.siteType = siteType;
this.argList = argList;
this.declTypeArgumentKinds = declTypeArgumentKinds;
this.siteTypeArgumentKinds = siteTypeArgumentKinds;
this.argumentKinds = argumentKinds;
this.source = new JavaSource();
this.diagChecker = new DiagnosticChecker();
}
class JavaSource extends SimpleJavaFileObject {
String bodyTemplate = "#D res = new #S#AL;";
String source;
public JavaSource() {
super(URI.create("myfo:/Test.java"), JavaFileObject.Kind.SOURCE);
source = innerClassDeclArity.classDeclStr.replace("#B", bodyTemplate)
.replace("#D", declType.getType(declTypeArgumentKinds))
.replace("#S", siteType.getType(siteTypeArgumentKinds))
.replace("#AL", argList.getArgs(argumentKinds));
}
@Override
public CharSequence getCharContent(boolean ignoreEncodingErrors) {
return source;
}
}
void run(JavaCompiler tool, StandardJavaFileManager fm) throws Exception {
JavacTask ct = (JavacTask)tool.getTask(null, fm, diagChecker,
null, null, Arrays.asList(source));
try {
ct.analyze();
} catch (Throwable ex) {
throw new AssertionError("Error thron when compiling the following code:\n" + source.getCharContent(true));
}
check();
}
void check() {
checkCount++;
boolean errorExpected = false;
TypeArgumentKind[] expectedArgKinds = new TypeArgumentKind[innerClassDeclArity.n];
for (int i = 0 ; i < innerClassDeclArity.n ; i++) {
if (!declTypeArgumentKinds[i].compatible(siteTypeArgumentKinds[i])) {
errorExpected = true;
break;
}
expectedArgKinds[i] = siteTypeArgumentKinds[i] == TypeArgumentKind.DIAMOND ?
declTypeArgumentKinds[i] : siteTypeArgumentKinds[i];
}
if (!errorExpected) {
for (int i = 0 ; i < innerClassDeclArity.n ; i++) {
//System.out.println("check " + expectedArgKinds[i] + " against " + argumentKinds[i]);
if (!expectedArgKinds[i].compatible(argumentKinds[i])) {
errorExpected = true;
break;
}
}
}
if (errorExpected != diagChecker.errorFound) {
throw new Error("invalid diagnostics for source:\n" +
source.getCharContent(true) +
"\nFound error: " + diagChecker.errorFound +
"\nExpected error: " + errorExpected);
}
}
static class DiagnosticChecker implements javax.tools.DiagnosticListener<JavaFileObject> {
boolean errorFound;
public void report(Diagnostic<? extends JavaFileObject> diagnostic) {
if (diagnostic.getKind() == Diagnostic.Kind.ERROR) {
errorFound = true;
}
}
}
}