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test/tools/javac/types/BoxingConversionTest.java@2eb010b6cb22 (annotated)

test/tools/javac/types/BoxingConversionTest.java

Thu, 31 Aug 2017 15:17:03 +0800

author

aoqi

date

Thu, 31 Aug 2017 15:17:03 +0800

changeset 2525

2eb010b6cb22

parent 1007

95fc7fd39be2

parent 0

959103a6100f

permissions

-rw-r--r--

merge

aoqi@0	1	/*
aoqi@0	2	* Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
aoqi@0	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0	4	*
aoqi@0	5	* This code is free software; you can redistribute it and/or modify it
aoqi@0	6	* under the terms of the GNU General Public License version 2 only, as
aoqi@0	7	* published by the Free Software Foundation.
aoqi@0	8	*
aoqi@0	9	* This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
aoqi@0	12	* version 2 for more details (a copy is included in the LICENSE file that
aoqi@0	13	* accompanied this code).
aoqi@0	14	*
aoqi@0	15	* You should have received a copy of the GNU General Public License version
aoqi@0	16	* 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0	18	*
aoqi@0	19	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0	20	* or visit www.oracle.com if you need additional information or have any
aoqi@0	21	* questions.
aoqi@0	22	*/
aoqi@0	23
aoqi@0	24	/*
aoqi@0	25	* @test
aoqi@0	26	* @bug 7006109
aoqi@0	27	* @summary Add test library to simplify the task of writing automated type-system tests
aoqi@0	28	* @author mcimadamore
aoqi@0	29	* @library .
aoqi@0	30	* @run main BoxingConversionTest
aoqi@0	31	*/
aoqi@0	32
aoqi@0	33	import com.sun.tools.javac.code.Type;
aoqi@0	34	import com.sun.tools.javac.code.Type.*;
aoqi@0	35	import com.sun.tools.javac.code.Symbol.*;
aoqi@0	36	import java.lang.reflect.Array;
aoqi@0	37	import java.util.EnumSet;
aoqi@0	38
aoqi@0	39	/**
aoqi@0	40	* Check invariants in assignment/method conversion involving boxing conversions
aoqi@0	41	*/
aoqi@0	42	public class BoxingConversionTest extends TypeHarness {
aoqi@0	43
aoqi@0	44	Type[] types1;
aoqi@0	45	Type[] types2;
aoqi@0	46	Type[] types3;
aoqi@0	47
aoqi@0	48	enum Result {
aoqi@0	49	OK_BOTH(true),
aoqi@0	50	FAIL_BOTH(false),
aoqi@0	51	OK_ASSIGN_ONLY(true);
aoqi@0	52
aoqi@0	53	boolean value;
aoqi@0	54
aoqi@0	55	Result(boolean value) {
aoqi@0	56	this.value = value;
aoqi@0	57	}
aoqi@0	58	}
aoqi@0	59
aoqi@0	60	enum ConversionKind {
aoqi@0	61	ASSIGNMENT_CONVERSION(EnumSet.of(Result.OK_BOTH, Result.OK_ASSIGN_ONLY)) {
aoqi@0	62	@Override
aoqi@0	63	void check(TypeHarness harness, Type from, Type to, Result expected) {
aoqi@0	64	harness.assertAssignable(from, to, resSet.contains(expected));
aoqi@0	65	}
aoqi@0	66	},
aoqi@0	67	METHOD_CONVERSION(EnumSet.of(Result.OK_BOTH)) {
aoqi@0	68	@Override
aoqi@0	69	void check(TypeHarness harness, Type from, Type to, Result expected) {
aoqi@0	70	harness.assertConvertible(from, to, resSet.contains(expected));
aoqi@0	71	}
aoqi@0	72	};
aoqi@0	73
aoqi@0	74	EnumSet<Result> resSet;
aoqi@0	75
aoqi@0	76	private ConversionKind(EnumSet<Result> resSet) {
aoqi@0	77	this.resSet = resSet;
aoqi@0	78	}
aoqi@0	79
aoqi@0	80	abstract void check(TypeHarness harness, Type from, Type to, Result expected);
aoqi@0	81	}
aoqi@0	82
aoqi@0	83	enum TestKind {
aoqi@0	84	SIMPLE {
aoqi@0	85	@Override
aoqi@0	86	Type[] getFromTypes(BoxingConversionTest harness) {
aoqi@0	87	return harness.types1;
aoqi@0	88	}
aoqi@0	89	@Override
aoqi@0	90	Type[] getToTypes(BoxingConversionTest harness) {
aoqi@0	91	return harness.types1;
aoqi@0	92	}
aoqi@0	93	@Override
aoqi@0	94	Result[][] getResults(BoxingConversionTest harness) {
aoqi@0	95	return harness.results1;
aoqi@0	96	}
aoqi@0	97	},
aoqi@0	98	CONSTANT_TYPES {
aoqi@0	99	@Override
aoqi@0	100	Type[] getFromTypes(BoxingConversionTest harness) {
aoqi@0	101	return harness.types2;
aoqi@0	102	}
aoqi@0	103	@Override
aoqi@0	104	Type[] getToTypes(BoxingConversionTest harness) {
aoqi@0	105	return harness.types3;
aoqi@0	106	}
aoqi@0	107	@Override
aoqi@0	108	Result[][] getResults(BoxingConversionTest harness) {
aoqi@0	109	return harness.results2;
aoqi@0	110	}
aoqi@0	111	};
aoqi@0	112
aoqi@0	113	abstract Type[] getFromTypes(BoxingConversionTest harness);
aoqi@0	114	abstract Type[] getToTypes(BoxingConversionTest harness);
aoqi@0	115	abstract Result[][] getResults(BoxingConversionTest harness);
aoqi@0	116	}
aoqi@0	117
aoqi@0	118	static final Result T = Result.OK_BOTH;
aoqi@0	119	static final Result F = Result.FAIL_BOTH;
aoqi@0	120	static final Result A = Result.OK_ASSIGN_ONLY;
aoqi@0	121
aoqi@0	122	Result[][] results1 = {
aoqi@0	123	//byte, short, int, long, float, double, char, bool, Byte, Short, Integer, Long, Float, Double, Character, Boolean
aoqi@0	124	/*byte*/ { T , T , T , T , T , T , F , F , T , F , F , F , F , F , F , F },
aoqi@0	125	/*short*/ { F , T , T , T , T , T , F , F , F , T , F , F , F , F , F , F },
aoqi@0	126	/*int*/ { F , F , T , T , T , T , F , F , F , F , T , F , F , F , F , F },
aoqi@0	127	/*long*/ { F , F , F , T , T , T , F , F , F , F , F , T , F , F , F , F },
aoqi@0	128	/*float*/ { F , F , F , F , T , T , F , F , F , F , F , F , T , F , F , F },
aoqi@0	129	/*double*/ { F , F , F , F , F , T , F , F , F , F , F , F , F , T , F , F },
aoqi@0	130	/*char*/ { F , F , T , T , T , T , T , F , F , F , F , F , F , F , T , F },
aoqi@0	131	/*bool*/ { F , F , F , F , F , F , F , T , F , F , F , F , F , F , F , T },
aoqi@0	132	/*Byte*/ { T , T , T , T , T , T , F , F , T , F , F , F , F , F , F , F },
aoqi@0	133	/*Short*/ { F , T , T , T , T , T , F , F , F , T , F , F , F , F , F , F },
aoqi@0	134	/*Integer*/ { F , F , T , T , T , T , F , F , F , F , T , F , F , F , F , F },
aoqi@0	135	/*Long*/ { F , F , F , T , T , T , F , F , F , F , F , T , F , F , F , F },
aoqi@0	136	/*Float*/ { F , F , F , F , T , T , F , F , F , F , F , F , T , F , F , F },
aoqi@0	137	/*Double*/ { F , F , F , F , F , T , F , F , F , F , F , F , F , T , F , F },
aoqi@0	138	/*Character*/ { F , F , T , T , T , T , T , F , F , F , F , F , F , F , T , F },
aoqi@0	139	/*Boolean*/ { F , F , F , F , F , F , F , T , F , F , F , F , F , F , F , T }};
aoqi@0	140
aoqi@0	141	Result[][] results2 = {
aoqi@0	142	//Byte, Short, Integer, Long, Float, Double, Chararacter, Boolean
aoqi@0	143	/*byte*/ { T , F , F , F , F , F , F , F },
aoqi@0	144	/*short*/ { F , T , F , F , F , F , F , F },
aoqi@0	145	/*short1*/ { A , T , F , F , F , F , A , F },
aoqi@0	146	/*short2*/ { F , T , F , F , F , F , A , F },
aoqi@0	147	/*int*/ { F , F , T , F , F , F , F , F },
aoqi@0	148	/*int1*/ { A , A , T , F , F , F , A , F },
aoqi@0	149	/*int2*/ { F , A , T , F , F , F , A , F },
aoqi@0	150	/*int4*/ { F , F , T , F , F , F , F , F },
aoqi@0	151	/*long*/ { F , F , F , T , F , F , F , F },
aoqi@0	152	/*long1*/ { F , F , F , T , F , F , F , F },
aoqi@0	153	/*long2*/ { F , F , F , T , F , F , F , F },
aoqi@0	154	/*long4*/ { F , F , F , T , F , F , F , F },
aoqi@0	155	/*long8*/ { F , F , F , T , F , F , F , F },
aoqi@0	156	/*float*/ { F , F , F , F , T , F , F , F },
aoqi@0	157	/*float1*/ { F , F , F , F , T , F , F , F },
aoqi@0	158	/*float2*/ { F , F , F , F , T , F , F , F },
aoqi@0	159	/*float4*/ { F , F , F , F , T , F , F , F },
aoqi@0	160	/*double*/ { F , F , F , F , F , T , F , F },
aoqi@0	161	/*double1*/ { F , F , F , F , F , T , F , F },
aoqi@0	162	/*double2*/ { F , F , F , F , F , T , F , F },
aoqi@0	163	/*double4*/ { F , F , F , F , F , T , F , F },
aoqi@0	164	/*double8*/ { F , F , F , F , F , T , F , F },
aoqi@0	165	/*char*/ { F , F , F , F , F , F , T , F },
aoqi@0	166	/*char1*/ { A , A , F , F , F , F , T , F },
aoqi@0	167	/*char2*/ { F , A , F , F , F , F , T , F },
aoqi@0	168	/*bool*/ { F , F , F , F , F , F , F , T }};
aoqi@0	169
aoqi@0	170	BoxingConversionTest() {
aoqi@0	171	Type[] primitiveTypes = new Type[] {
aoqi@0	172	predef.byteType,
aoqi@0	173	predef.shortType,
aoqi@0	174	predef.intType,
aoqi@0	175	predef.longType,
aoqi@0	176	predef.floatType,
aoqi@0	177	predef.doubleType,
aoqi@0	178	predef.charType,
aoqi@0	179	predef.booleanType };
aoqi@0	180
aoqi@0	181	Type[] boxedTypes = new Type[primitiveTypes.length];
aoqi@0	182	for (int i = 0 ; i < primitiveTypes.length ; i++) {
aoqi@0	183	boxedTypes[i] = box(primitiveTypes[i]);
aoqi@0	184	}
aoqi@0	185
aoqi@0	186	types1 = join(Type.class, primitiveTypes, boxedTypes);
aoqi@0	187
aoqi@0	188	types2 = new Type[] {
aoqi@0	189	predef.byteType,
aoqi@0	190	predef.shortType,
aoqi@0	191	fac.Constant((short)0x0001),
aoqi@0	192	fac.Constant((short)0x0100),
aoqi@0	193	predef.intType,
aoqi@0	194	fac.Constant((int)0x0000_0001),
aoqi@0	195	fac.Constant((int)0x0000_0100),
aoqi@0	196	fac.Constant((int)0x0001_0000),
aoqi@0	197	predef.longType,
aoqi@0	198	fac.Constant((long)0x0000_0000_0000_0001L),
aoqi@0	199	fac.Constant((long)0x0000_0000_0000_0100L),
aoqi@0	200	fac.Constant((long)0x0000_0000_0001_0000L),
aoqi@0	201	fac.Constant((long)0x0001_0000_0000_0000L),
aoqi@0	202	predef.floatType,
aoqi@0	203	fac.Constant((float)0x0000_0001),
aoqi@0	204	fac.Constant((float)0x0000_0100),
aoqi@0	205	fac.Constant((float)0x0001_0000),
aoqi@0	206	predef.doubleType,
aoqi@0	207	fac.Constant((double)0x0000_0000_0000_0001L),
aoqi@0	208	fac.Constant((double)0x0000_0000_0000_0100L),
aoqi@0	209	fac.Constant((double)0x0000_0000_0001_0000L),
aoqi@0	210	fac.Constant((double)0x0001_0000_0000_0000L),
aoqi@0	211	predef.charType,
aoqi@0	212	fac.Constant((char)0x0001),
aoqi@0	213	fac.Constant((char)0x0100),
aoqi@0	214	predef.booleanType
aoqi@0	215	};
aoqi@0	216
aoqi@0	217	types3 = boxedTypes;
aoqi@0	218	}
aoqi@0	219
aoqi@0	220	void testConversion(ConversionKind convKind, TestKind testKind) {
aoqi@0	221	Type[] rows = testKind.getFromTypes(this);
aoqi@0	222	Type[] cols = testKind.getToTypes(this);
aoqi@0	223	for (int i = 0; i < rows.length ; i++) {
aoqi@0	224	for (int j = 0; j < cols.length ; j++) {
aoqi@0	225	convKind.check(this, rows[i], cols[j], testKind.getResults(this)[i][j]);
aoqi@0	226	}
aoqi@0	227	}
aoqi@0	228	}
aoqi@0	229
aoqi@0	230	@SuppressWarnings("unchecked")
aoqi@0	231	<T> T[] join(Class<T> type, T[]... args) {
aoqi@0	232	int totalLength = 0;
aoqi@0	233	for (T[] arr : args) {
aoqi@0	234	totalLength += arr.length;
aoqi@0	235	}
aoqi@0	236	T[] new_arr = (T[])Array.newInstance(type, totalLength);
aoqi@0	237	int idx = 0;
aoqi@0	238	for (T[] arr : args) {
aoqi@0	239	System.arraycopy(arr, 0, new_arr, idx, arr.length);
aoqi@0	240	idx += arr.length;
aoqi@0	241	}
aoqi@0	242	return new_arr;
aoqi@0	243	}
aoqi@0	244
aoqi@0	245	public static void main(String[] args) {
aoqi@0	246	BoxingConversionTest harness = new BoxingConversionTest();
aoqi@0	247	for (ConversionKind convKind : ConversionKind.values()) {
aoqi@0	248	for (TestKind testKind : TestKind.values()) {
aoqi@0	249	harness.testConversion(convKind, testKind);
aoqi@0	250	}
aoqi@0	251	}
aoqi@0	252	}
aoqi@0	253	}