• file
• revisions
• annotate
• diff
• comparison
• raw

test/tools/javac/types/PrimitiveConversionTest.java@7909abb85562 (annotated)

test/tools/javac/types/PrimitiveConversionTest.java

Wed, 14 Nov 2018 10:18:25 -0800

author

diazhou

date

Wed, 14 Nov 2018 10:18:25 -0800

changeset 3762

7909abb85562

parent 0

959103a6100f

permissions

-rw-r--r--

Added tag jdk8u201-b04 for changeset a7f48b9dfb82

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 PrimitiveConversionTest
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 primitive types and arrays
aoqi@0	41	*/
aoqi@0	42	public class PrimitiveConversionTest 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(PrimitiveConversionTest harness) {
aoqi@0	87	return harness.types1;
aoqi@0	88	}
aoqi@0	89	@Override
aoqi@0	90	Type[] getToTypes(PrimitiveConversionTest harness) {
aoqi@0	91	return harness.types1;
aoqi@0	92	}
aoqi@0	93	@Override
aoqi@0	94	Result[][] getResults(PrimitiveConversionTest 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(PrimitiveConversionTest harness) {
aoqi@0	101	return harness.types2;
aoqi@0	102	}
aoqi@0	103	@Override
aoqi@0	104	Type[] getToTypes(PrimitiveConversionTest harness) {
aoqi@0	105	return harness.types3;
aoqi@0	106	}
aoqi@0	107	@Override
aoqi@0	108	Result[][] getResults(PrimitiveConversionTest harness) {
aoqi@0	109	return harness.results2;
aoqi@0	110	}
aoqi@0	111	};
aoqi@0	112
aoqi@0	113	abstract Type[] getFromTypes(PrimitiveConversionTest harness);
aoqi@0	114	abstract Type[] getToTypes(PrimitiveConversionTest harness);
aoqi@0	115	abstract Result[][] getResults(PrimitiveConversionTest 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, C1, C2, C3, T , byte[], short[], int[], long[], float[], double[], char[], bool[], C1[], C2[], C3[], T[]
aoqi@0	124	/*byte*/ { T , T , T , T , T , T , F , F , F , F , F , F , F , F , F , F , F , F , F , F , F , F , F , F },
aoqi@0	125	/*short*/ { F , T , T , T , T , T , F , F , F , F , F , F , F , F , F , F , F , F , F , F , F , F , F , F },
aoqi@0	126	/*int*/ { F , F , T , T , T , T , F , F , F , F , F , F , F , F , F , F , F , F , F , F , F , F , F , F },
aoqi@0	127	/*long*/ { F , F , F , T , T , T , F , F , F , F , F , F , F , F , F , F , F , F , F , F , F , F , F , F },
aoqi@0	128	/*float*/ { F , F , F , F , T , T , F , F , F , F , F , F , F , F , F , F , F , F , F , F , F , F , F , F },
aoqi@0	129	/*double*/ { F , F , F , F , F , T , F , F , F , F , F , F , F , F , F , F , F , F , F , F , F , F , F , F },
aoqi@0	130	/*char*/ { F , F , T , T , T , T , T , F , F , F , F , F , F , F , F , F , F , F , F , F , F , F , F , F },
aoqi@0	131	/*bool*/ { F , F , F , F , F , F , F , T , F , F , F , F , F , F , F , F , F , F , F , F , F , F , F , F },
aoqi@0	132	/*C1*/ { F , F , F , F , F , F , F , F , T , F , T , F , F , F , F , F , F , F , F , F , F , F , F , F },
aoqi@0	133	/*C2*/ { F , F , F , F , F , F , F , F , T , T , T , F , F , F , F , F , F , F , F , F , F , F , F , F },
aoqi@0	134	/*C3*/ { F , F , F , F , F , F , F , F , T , F , T , F , F , F , F , F , F , F , F , F , F , F , F , F },
aoqi@0	135	/*T*/ { F , F , F , F , F , F , F , F , F , F , F , T , F , F , F , F , F , F , F , F , F , F , F , F },
aoqi@0	136	/*byte[]*/ { F , F , F , F , F , F , F , F , F , F , F , F , T , F , F , F , F , F , F , F , F , F , F , F },
aoqi@0	137	/*short[]*/ { F , F , F , F , F , F , F , F , F , F , F , F , F , T , F , F , F , F , F , F , F , F , F , F },
aoqi@0	138	/*int[]*/ { F , F , F , F , F , F , F , F , F , F , F , F , F , F , T , F , F , F , F , F , F , F , F , F },
aoqi@0	139	/*long[]*/ { F , F , F , F , F , F , F , F , F , F , F , F , F , F , F , T , F , F , F , F , F , F , F , F },
aoqi@0	140	/*float[]*/ { F , F , F , F , F , F , F , F , F , F , F , F , F , F , F , F , T , F , F , F , F , F , F , F },
aoqi@0	141	/*double[]*/{ F , F , F , F , F , F , F , F , F , F , F , F , F , F , F , F , F , T , F , F , F , F , F , F },
aoqi@0	142	/*char[]*/ { F , F , F , F , F , F , F , F , F , F , F , F , F , F , F , F , F , F , T , F , F , F , F , F },
aoqi@0	143	/*bool[]*/ { F , F , F , F , F , F , F , F , F , F , F , F , F , F , F , F , F , F , F , T , F , F , F , F },
aoqi@0	144	/*C1[]*/ { F , F , F , F , F , F , F , F , F , F , F , F , F , F , F , F , F , F , F , F , T , F , T , F },
aoqi@0	145	/*C2[]*/ { F , F , F , F , F , F , F , F , F , F , F , F , F , F , F , F , F , F , F , F , T , T , T , F },
aoqi@0	146	/*C3[]*/ { F , F , F , F , F , F , F , F , F , F , F , F , F , F , F , F , F , F , F , F , T , F , T , F },
aoqi@0	147	/*T[]*/ { F , F , F , F , F , F , F , F , F , F , F , F , F , F , F , F , F , F , F , F , F , F , F , T }};
aoqi@0	148
aoqi@0	149	Result[][] results2 = {
aoqi@0	150	//byte, short, int, long, float, double, char, bool
aoqi@0	151	/*byte*/ { T , T , T , T , T , T , F , F },
aoqi@0	152	/*short*/ { F , T , T , T , T , T , F , F },
aoqi@0	153	/*short1*/ { A , T , T , T , T , T , A , F },
aoqi@0	154	/*short2*/ { F , T , T , T , T , T , A , F },
aoqi@0	155	/*int*/ { F , F , T , T , T , T , F , F },
aoqi@0	156	/*int1*/ { A , A , T , T , T , T , A , F },
aoqi@0	157	/*int2*/ { F , A , T , T , T , T , A , F },
aoqi@0	158	/*int4*/ { F , F , T , T , T , T , F , F },
aoqi@0	159	/*long*/ { F , F , F , T , T , T , F , F },
aoqi@0	160	/*long1*/ { F , F , F , T , T , T , F , F },
aoqi@0	161	/*long2*/ { F , F , F , T , T , T , F , F },
aoqi@0	162	/*long4*/ { F , F , F , T , T , T , F , F },
aoqi@0	163	/*long8*/ { F , F , F , T , T , T , F , F },
aoqi@0	164	/*float*/ { F , F , F , F , T , T , F , F },
aoqi@0	165	/*float1*/ { F , F , F , F , T , T , F , F },
aoqi@0	166	/*float2*/ { F , F , F , F , T , T , F , F },
aoqi@0	167	/*float4*/ { F , F , F , F , T , T , F , F },
aoqi@0	168	/*double*/ { F , F , F , F , F , T , F , F },
aoqi@0	169	/*double1*/ { F , F , F , F , F , T , F , F },
aoqi@0	170	/*double2*/ { F , F , F , F , F , T , F , F },
aoqi@0	171	/*double4*/ { F , F , F , F , F , T , F , F },
aoqi@0	172	/*double8*/ { F , F , F , F , F , T , F , F },
aoqi@0	173	/*char*/ { F , F , T , T , T , T , T , F },
aoqi@0	174	/*char1*/ { A , A , T , T , T , T , T , F },
aoqi@0	175	/*char2*/ { F , A , T , T , T , T , T , F },
aoqi@0	176	/*bool*/ { F , F , F , F , F , F , F , T }};
aoqi@0	177
aoqi@0	178	PrimitiveConversionTest() {
aoqi@0	179	Type[] primitiveTypes = new Type[] {
aoqi@0	180	predef.byteType,
aoqi@0	181	predef.shortType,
aoqi@0	182	predef.intType,
aoqi@0	183	predef.longType,
aoqi@0	184	predef.floatType,
aoqi@0	185	predef.doubleType,
aoqi@0	186	predef.charType,
aoqi@0	187	predef.booleanType };
aoqi@0	188
aoqi@0	189	ClassType c1 = fac.Class(fac.TypeVariable());
aoqi@0	190	ClassType c2 = fac.Class();
aoqi@0	191	c2.supertype_field = subst(c1,
aoqi@0	192	Mapping(c1.getTypeArguments().head, predef.stringType));
aoqi@0	193	Type c3 = erasure(c1);
aoqi@0	194
aoqi@0	195	Type[] referenceTypes = {
aoqi@0	196	subst(c1,
aoqi@0	197	Mapping(c1.getTypeArguments().head, predef.stringType)),
aoqi@0	198	c2,
aoqi@0	199	c3,
aoqi@0	200	fac.TypeVariable() };
aoqi@0	201
aoqi@0	202	Type[] arrayTypes = new Type[primitiveTypes.length + referenceTypes.length];
aoqi@0	203	int idx = 0;
aoqi@0	204	for (Type t : join(Type.class, primitiveTypes, referenceTypes)) {
aoqi@0	205	arrayTypes[idx++] = fac.Array(t);
aoqi@0	206	}
aoqi@0	207
aoqi@0	208	types1 = join(Type.class, primitiveTypes, referenceTypes, arrayTypes);
aoqi@0	209
aoqi@0	210	types2 = new Type[] {
aoqi@0	211	predef.byteType,
aoqi@0	212	predef.shortType,
aoqi@0	213	fac.Constant((short)0x0001),
aoqi@0	214	fac.Constant((short)0x0100),
aoqi@0	215	predef.intType,
aoqi@0	216	fac.Constant((int)0x0000_0001),
aoqi@0	217	fac.Constant((int)0x0000_0100),
aoqi@0	218	fac.Constant((int)0x0001_0000),
aoqi@0	219	predef.longType,
aoqi@0	220	fac.Constant((long)0x0000_0000_0000_0001L),
aoqi@0	221	fac.Constant((long)0x0000_0000_0000_0100L),
aoqi@0	222	fac.Constant((long)0x0000_0000_0001_0000L),
aoqi@0	223	fac.Constant((long)0x0001_0000_0000_0000L),
aoqi@0	224	predef.floatType,
aoqi@0	225	fac.Constant((float)0x0000_0001),
aoqi@0	226	fac.Constant((float)0x0000_0100),
aoqi@0	227	fac.Constant((float)0x0001_0000),
aoqi@0	228	predef.doubleType,
aoqi@0	229	fac.Constant((double)0x0000_0000_0000_0001L),
aoqi@0	230	fac.Constant((double)0x0000_0000_0000_0100L),
aoqi@0	231	fac.Constant((double)0x0000_0000_0001_0000L),
aoqi@0	232	fac.Constant((double)0x0001_0000_0000_0000L),
aoqi@0	233	predef.charType,
aoqi@0	234	fac.Constant((char)0x0001),
aoqi@0	235	fac.Constant((char)0x0100),
aoqi@0	236	predef.booleanType
aoqi@0	237	};
aoqi@0	238
aoqi@0	239	types3 = primitiveTypes;
aoqi@0	240	}
aoqi@0	241
aoqi@0	242	void testConversion(ConversionKind convKind, TestKind testKind) {
aoqi@0	243	Type[] rows = testKind.getFromTypes(this);
aoqi@0	244	Type[] cols = testKind.getToTypes(this);
aoqi@0	245	for (int i = 0; i < rows.length ; i++) {
aoqi@0	246	for (int j = 0; j < cols.length ; j++) {
aoqi@0	247	convKind.check(this, rows[i], cols[j], testKind.getResults(this)[i][j]);
aoqi@0	248	}
aoqi@0	249	}
aoqi@0	250	}
aoqi@0	251
aoqi@0	252	@SuppressWarnings("unchecked")
aoqi@0	253	<T> T[] join(Class<T> type, T[]... args) {
aoqi@0	254	int totalLength = 0;
aoqi@0	255	for (T[] arr : args) {
aoqi@0	256	totalLength += arr.length;
aoqi@0	257	}
aoqi@0	258	T[] new_arr = (T[])Array.newInstance(type, totalLength);
aoqi@0	259	int idx = 0;
aoqi@0	260	for (T[] arr : args) {
aoqi@0	261	System.arraycopy(arr, 0, new_arr, idx, arr.length);
aoqi@0	262	idx += arr.length;
aoqi@0	263	}
aoqi@0	264	return new_arr;
aoqi@0	265	}
aoqi@0	266
aoqi@0	267	public static void main(String[] args) {
aoqi@0	268	PrimitiveConversionTest harness = new PrimitiveConversionTest();
aoqi@0	269	for (ConversionKind convKind : ConversionKind.values()) {
aoqi@0	270	for (TestKind testKind : TestKind.values()) {
aoqi@0	271	harness.testConversion(convKind, testKind);
aoqi@0	272	}
aoqi@0	273	}
aoqi@0	274	}
aoqi@0	275	}