/*
* Copyright (c) 2010, 2016, 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 7006109
* @summary Add test library to simplify the task of writing automated type-system tests
* @author mcimadamore
* @library /tools/lib/types
* @modules jdk.compiler/com.sun.tools.javac.code
* jdk.compiler/com.sun.tools.javac.comp
* jdk.compiler/com.sun.tools.javac.file
* jdk.compiler/com.sun.tools.javac.util
* jdk.compiler/com.sun.tools.javac.main
* jdk.compiler/com.sun.tools.javac.tree
* @build TypeHarness
* @run main BoxingConversionTest
*/
import com.sun.tools.javac.code.Type;
import java.lang.reflect.Array;
import java.util.EnumSet;
/**
* Check invariants in assignment/method conversion involving boxing conversions
*/
public class BoxingConversionTest extends TypeHarness {
Type[] types1;
Type[] types2;
Type[] types3;
enum Result {
OK_BOTH(true),
FAIL_BOTH(false),
OK_ASSIGN_ONLY(true);
boolean value;
Result(boolean value) {
this.value = value;
}
}
enum ConversionKind {
ASSIGNMENT_CONVERSION(EnumSet.of(Result.OK_BOTH, Result.OK_ASSIGN_ONLY)) {
@Override
void check(TypeHarness harness, Type from, Type to, Result expected) {
harness.assertAssignable(from, to, resSet.contains(expected));
}
},
METHOD_CONVERSION(EnumSet.of(Result.OK_BOTH)) {
@Override
void check(TypeHarness harness, Type from, Type to, Result expected) {
harness.assertConvertible(from, to, resSet.contains(expected));
}
};
EnumSet<Result> resSet;
private ConversionKind(EnumSet<Result> resSet) {
this.resSet = resSet;
}
abstract void check(TypeHarness harness, Type from, Type to, Result expected);
}
enum TestKind {
SIMPLE {
@Override
Type[] getFromTypes(BoxingConversionTest harness) {
return harness.types1;
}
@Override
Type[] getToTypes(BoxingConversionTest harness) {
return harness.types1;
}
@Override
Result[][] getResults(BoxingConversionTest harness) {
return harness.results1;
}
},
CONSTANT_TYPES {
@Override
Type[] getFromTypes(BoxingConversionTest harness) {
return harness.types2;
}
@Override
Type[] getToTypes(BoxingConversionTest harness) {
return harness.types3;
}
@Override
Result[][] getResults(BoxingConversionTest harness) {
return harness.results2;
}
};
abstract Type[] getFromTypes(BoxingConversionTest harness);
abstract Type[] getToTypes(BoxingConversionTest harness);
abstract Result[][] getResults(BoxingConversionTest harness);
}
static final Result T = Result.OK_BOTH;
static final Result F = Result.FAIL_BOTH;
static final Result A = Result.OK_ASSIGN_ONLY;
Result[][] results1 = {
//byte, short, int, long, float, double, char, bool, Byte, Short, Integer, Long, Float, Double, Character, Boolean
/*byte*/ { T , T , T , T , T , T , F , F , T , F , F , F , F , F , F , F },
/*short*/ { F , T , T , T , T , T , F , F , F , T , F , F , F , F , F , F },
/*int*/ { F , F , T , T , T , T , F , F , F , F , T , F , F , F , F , F },
/*long*/ { F , F , F , T , T , T , F , F , F , F , F , T , F , F , F , F },
/*float*/ { F , F , F , F , T , T , F , F , F , F , F , F , T , F , F , F },
/*double*/ { F , F , F , F , F , T , F , F , F , F , F , F , F , T , F , F },
/*char*/ { F , F , T , T , T , T , T , F , F , F , F , F , F , F , T , F },
/*bool*/ { F , F , F , F , F , F , F , T , F , F , F , F , F , F , F , T },
/*Byte*/ { T , T , T , T , T , T , F , F , T , F , F , F , F , F , F , F },
/*Short*/ { F , T , T , T , T , T , F , F , F , T , F , F , F , F , F , F },
/*Integer*/ { F , F , T , T , T , T , F , F , F , F , T , F , F , F , F , F },
/*Long*/ { F , F , F , T , T , T , F , F , F , F , F , T , F , F , F , F },
/*Float*/ { F , F , F , F , T , T , F , F , F , F , F , F , T , F , F , F },
/*Double*/ { F , F , F , F , F , T , F , F , F , F , F , F , F , T , F , F },
/*Character*/ { F , F , T , T , T , T , T , F , F , F , F , F , F , F , T , F },
/*Boolean*/ { F , F , F , F , F , F , F , T , F , F , F , F , F , F , F , T }};
Result[][] results2 = {
//Byte, Short, Integer, Long, Float, Double, Chararacter, Boolean
/*byte*/ { T , F , F , F , F , F , F , F },
/*short*/ { F , T , F , F , F , F , F , F },
/*short1*/ { A , T , F , F , F , F , A , F },
/*short2*/ { F , T , F , F , F , F , A , F },
/*int*/ { F , F , T , F , F , F , F , F },
/*int1*/ { A , A , T , F , F , F , A , F },
/*int2*/ { F , A , T , F , F , F , A , F },
/*int4*/ { F , F , T , F , F , F , F , F },
/*long*/ { F , F , F , T , F , F , F , F },
/*long1*/ { F , F , F , T , F , F , F , F },
/*long2*/ { F , F , F , T , F , F , F , F },
/*long4*/ { F , F , F , T , F , F , F , F },
/*long8*/ { F , F , F , T , F , F , F , F },
/*float*/ { F , F , F , F , T , F , F , F },
/*float1*/ { F , F , F , F , T , F , F , F },
/*float2*/ { F , F , F , F , T , F , F , F },
/*float4*/ { F , F , F , F , T , F , F , F },
/*double*/ { F , F , F , F , F , T , F , F },
/*double1*/ { F , F , F , F , F , T , F , F },
/*double2*/ { F , F , F , F , F , T , F , F },
/*double4*/ { F , F , F , F , F , T , F , F },
/*double8*/ { F , F , F , F , F , T , F , F },
/*char*/ { F , F , F , F , F , F , T , F },
/*char1*/ { A , A , F , F , F , F , T , F },
/*char2*/ { F , A , F , F , F , F , T , F },
/*bool*/ { F , F , F , F , F , F , F , T }};
BoxingConversionTest() {
Type[] primitiveTypes = new Type[] {
predef.byteType,
predef.shortType,
predef.intType,
predef.longType,
predef.floatType,
predef.doubleType,
predef.charType,
predef.booleanType };
Type[] boxedTypes = new Type[primitiveTypes.length];
for (int i = 0 ; i < primitiveTypes.length ; i++) {
boxedTypes[i] = box(primitiveTypes[i]);
}
types1 = join(Type.class, primitiveTypes, boxedTypes);
types2 = new Type[] {
predef.byteType,
predef.shortType,
fac.Constant((short)0x0001),
fac.Constant((short)0x0100),
predef.intType,
fac.Constant((int)0x0000_0001),
fac.Constant((int)0x0000_0100),
fac.Constant((int)0x0001_0000),
predef.longType,
fac.Constant((long)0x0000_0000_0000_0001L),
fac.Constant((long)0x0000_0000_0000_0100L),
fac.Constant((long)0x0000_0000_0001_0000L),
fac.Constant((long)0x0001_0000_0000_0000L),
predef.floatType,
fac.Constant((float)0x0000_0001),
fac.Constant((float)0x0000_0100),
fac.Constant((float)0x0001_0000),
predef.doubleType,
fac.Constant((double)0x0000_0000_0000_0001L),
fac.Constant((double)0x0000_0000_0000_0100L),
fac.Constant((double)0x0000_0000_0001_0000L),
fac.Constant((double)0x0001_0000_0000_0000L),
predef.charType,
fac.Constant((char)0x0001),
fac.Constant((char)0x0100),
predef.booleanType
};
types3 = boxedTypes;
}
void testConversion(ConversionKind convKind, TestKind testKind) {
Type[] rows = testKind.getFromTypes(this);
Type[] cols = testKind.getToTypes(this);
for (int i = 0; i < rows.length ; i++) {
for (int j = 0; j < cols.length ; j++) {
convKind.check(this, rows[i], cols[j], testKind.getResults(this)[i][j]);
}
}
}
@SuppressWarnings("unchecked")
<T> T[] join(Class<T> type, T[]... args) {
int totalLength = 0;
for (T[] arr : args) {
totalLength += arr.length;
}
T[] new_arr = (T[])Array.newInstance(type, totalLength);
int idx = 0;
for (T[] arr : args) {
System.arraycopy(arr, 0, new_arr, idx, arr.length);
idx += arr.length;
}
return new_arr;
}
public static void main(String[] args) {
BoxingConversionTest harness = new BoxingConversionTest();
for (ConversionKind convKind : ConversionKind.values()) {
for (TestKind testKind : TestKind.values()) {
harness.testConversion(convKind, testKind);
}
}
}
}