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test/tools/javap/typeAnnotations/Presence.java@959103a6100f (annotated)

test/tools/javap/typeAnnotations/Presence.java

Wed, 27 Apr 2016 01:34:52 +0800

author

aoqi

date

Wed, 27 Apr 2016 01:34:52 +0800

changeset 0

959103a6100f

child 2525

2eb010b6cb22

permissions

-rw-r--r--

Initial load
http://hg.openjdk.java.net/jdk8u/jdk8u/langtools/
changeset: 2573:53ca196be1ae
tag: jdk8u25-b17

aoqi@0	1	/*
aoqi@0	2	* Copyright (c) 2008, 2013, 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	import java.io.*;
aoqi@0	25	import java.lang.annotation.ElementType;
aoqi@0	26
aoqi@0	27	import com.sun.tools.classfile.*;
aoqi@0	28
aoqi@0	29	/*
aoqi@0	30	* @test Presence
aoqi@0	31	* @bug 6843077
aoqi@0	32	* @summary test that all type annotations are present in the classfile
aoqi@0	33	*/
aoqi@0	34
aoqi@0	35	public class Presence {
aoqi@0	36	public static void main(String[] args) throws Exception {
aoqi@0	37	new Presence().run();
aoqi@0	38	}
aoqi@0	39
aoqi@0	40	public void run() throws Exception {
aoqi@0	41	File javaFile = writeTestFile();
aoqi@0	42	File classFile = compileTestFile(javaFile);
aoqi@0	43
aoqi@0	44	ClassFile cf = ClassFile.read(classFile);
aoqi@0	45	test(cf);
aoqi@0	46	for (Field f : cf.fields) {
aoqi@0	47	test(cf, f);
aoqi@0	48	}
aoqi@0	49	for (Method m: cf.methods) {
aoqi@0	50	test(cf, m);
aoqi@0	51	}
aoqi@0	52
aoqi@0	53	countAnnotations();
aoqi@0	54
aoqi@0	55	if (errors > 0)
aoqi@0	56	throw new Exception(errors + " errors found");
aoqi@0	57	System.out.println("PASSED");
aoqi@0	58	}
aoqi@0	59
aoqi@0	60	void test(ClassFile cf) {
aoqi@0	61	test(cf, Attribute.RuntimeVisibleTypeAnnotations, true);
aoqi@0	62	test(cf, Attribute.RuntimeInvisibleTypeAnnotations, false);
aoqi@0	63	}
aoqi@0	64
aoqi@0	65	void test(ClassFile cf, Method m) {
aoqi@0	66	test(cf, m, Attribute.RuntimeVisibleTypeAnnotations, true);
aoqi@0	67	test(cf, m, Attribute.RuntimeInvisibleTypeAnnotations, false);
aoqi@0	68	}
aoqi@0	69
aoqi@0	70	void test(ClassFile cf, Field m) {
aoqi@0	71	test(cf, m, Attribute.RuntimeVisibleTypeAnnotations, true);
aoqi@0	72	test(cf, m, Attribute.RuntimeInvisibleTypeAnnotations, false);
aoqi@0	73	}
aoqi@0	74
aoqi@0	75	// test the result of Attributes.getIndex according to expectations
aoqi@0	76	// encoded in the method's name
aoqi@0	77	void test(ClassFile cf, String name, boolean visible) {
aoqi@0	78	int index = cf.attributes.getIndex(cf.constant_pool, name);
aoqi@0	79	if (index != -1) {
aoqi@0	80	Attribute attr = cf.attributes.get(index);
aoqi@0	81	assert attr instanceof RuntimeTypeAnnotations_attribute;
aoqi@0	82	RuntimeTypeAnnotations_attribute tAttr = (RuntimeTypeAnnotations_attribute)attr;
aoqi@0	83	all += tAttr.annotations.length;
aoqi@0	84	if (visible)
aoqi@0	85	visibles += tAttr.annotations.length;
aoqi@0	86	else
aoqi@0	87	invisibles += tAttr.annotations.length;
aoqi@0	88	}
aoqi@0	89	}
aoqi@0	90
aoqi@0	91	// test the result of Attributes.getIndex according to expectations
aoqi@0	92	// encoded in the method's name
aoqi@0	93	void test(ClassFile cf, Method m, String name, boolean visible) {
aoqi@0	94	Attribute attr = null;
aoqi@0	95	Code_attribute cAttr = null;
aoqi@0	96	RuntimeTypeAnnotations_attribute tAttr = null;
aoqi@0	97
aoqi@0	98	// collect annotations attributes on method
aoqi@0	99	int index = m.attributes.getIndex(cf.constant_pool, name);
aoqi@0	100	if (index != -1) {
aoqi@0	101	attr = m.attributes.get(index);
aoqi@0	102	assert attr instanceof RuntimeTypeAnnotations_attribute;
aoqi@0	103	tAttr = (RuntimeTypeAnnotations_attribute)attr;
aoqi@0	104	all += tAttr.annotations.length;
aoqi@0	105	if (visible)
aoqi@0	106	visibles += tAttr.annotations.length;
aoqi@0	107	else
aoqi@0	108	invisibles += tAttr.annotations.length;
aoqi@0	109	}
aoqi@0	110	// collect annotations from method's code attribute
aoqi@0	111	index = m.attributes.getIndex(cf.constant_pool, Attribute.Code);
aoqi@0	112	if(index!= -1) {
aoqi@0	113	attr = m.attributes.get(index);
aoqi@0	114	assert attr instanceof Code_attribute;
aoqi@0	115	cAttr = (Code_attribute)attr;
aoqi@0	116	index = cAttr.attributes.getIndex(cf.constant_pool, name);
aoqi@0	117	if(index!= -1) {
aoqi@0	118	attr = cAttr.attributes.get(index);
aoqi@0	119	assert attr instanceof RuntimeTypeAnnotations_attribute;
aoqi@0	120	tAttr = (RuntimeTypeAnnotations_attribute)attr;
aoqi@0	121	all += tAttr.annotations.length;
aoqi@0	122	if (visible)
aoqi@0	123	visibles += tAttr.annotations.length;
aoqi@0	124	else
aoqi@0	125	invisibles += tAttr.annotations.length;
aoqi@0	126	}
aoqi@0	127	}
aoqi@0	128	}
aoqi@0	129
aoqi@0	130	// test the result of Attributes.getIndex according to expectations
aoqi@0	131	// encoded in the method's name
aoqi@0	132	void test(ClassFile cf, Field m, String name, boolean visible) {
aoqi@0	133	int index = m.attributes.getIndex(cf.constant_pool, name);
aoqi@0	134	if (index != -1) {
aoqi@0	135	Attribute attr = m.attributes.get(index);
aoqi@0	136	assert attr instanceof RuntimeTypeAnnotations_attribute;
aoqi@0	137	RuntimeTypeAnnotations_attribute tAttr = (RuntimeTypeAnnotations_attribute)attr;
aoqi@0	138	all += tAttr.annotations.length;
aoqi@0	139	if (visible)
aoqi@0	140	visibles += tAttr.annotations.length;
aoqi@0	141	else
aoqi@0	142	invisibles += tAttr.annotations.length;
aoqi@0	143	}
aoqi@0	144	}
aoqi@0	145
aoqi@0	146	File writeTestFile() throws IOException {
aoqi@0	147	File f = new File("TestPresence.java");
aoqi@0	148	PrintWriter out = new PrintWriter(new BufferedWriter(new FileWriter(f)));
aoqi@0	149	out.println("import java.util.*;");
aoqi@0	150	out.println("import java.lang.annotation.*;");
aoqi@0	151
aoqi@0	152	out.println("class TestPresence<@TestPresence.A T extends @TestPresence.A List<@TestPresence.A String>> { ");
aoqi@0	153	out.println(" @Target({ElementType.TYPE_USE, ElementType.TYPE_PARAMETER})");
aoqi@0	154	out.println(" @interface A { }");
aoqi@0	155
aoqi@0	156	out.println(" Map<@A String, Map<@A String, @A String>> f1;");
aoqi@0	157
aoqi@0	158	out.println(" <@A TM extends @A List<@A String>>");
aoqi@0	159	out.println(" Map<@A String, @A List<@A String>>");
aoqi@0	160	out.println(" method(@A TestPresence<T> this, List<@A String> @A [] param1, String @A [] @A ... param2)");
aoqi@0	161	out.println(" throws @A Exception {");
aoqi@0	162	out.println(" @A String lc1 = null;");
aoqi@0	163	out.println(" @A List<@A String> lc2 = null;");
aoqi@0	164	out.println(" @A String @A [] [] @A[] lc3 = null;");
aoqi@0	165	out.println(" List<? extends @A List<@A String>> lc4 = null;");
aoqi@0	166	out.println(" Object lc5 = (@A List<@A String>) null;");
aoqi@0	167	out.println(" boolean lc6 = lc1 instanceof @A String;");
aoqi@0	168	out.println(" boolean lc7 = lc5 instanceof @A String @A [] @A [];");
aoqi@0	169	out.println(" new @A ArrayList<@A String>();");
aoqi@0	170	out.println(" Object lc8 = new @A String @A [4];");
aoqi@0	171	out.println(" try {");
aoqi@0	172	out.println(" Object lc10 = int.class;");
aoqi@0	173	out.println(" } catch (@A Exception e) { e.toString(); }");
aoqi@0	174	out.println(" return null;");
aoqi@0	175	out.println(" }");
aoqi@0	176	out.println(" void vararg1(String @A ... t) { } ");
aoqi@0	177	out.println("}");
aoqi@0	178	out.close();
aoqi@0	179	return f;
aoqi@0	180	}
aoqi@0	181
aoqi@0	182	File compileTestFile(File f) {
aoqi@0	183	int rc = com.sun.tools.javac.Main.compile(new String[] { "-source", "1.8", "-g", f.getPath() });
aoqi@0	184	if (rc != 0)
aoqi@0	185	throw new Error("compilation failed. rc=" + rc);
aoqi@0	186	String path = f.getPath();
aoqi@0	187	return new File(path.substring(0, path.length() - 5) + ".class");
aoqi@0	188	}
aoqi@0	189
aoqi@0	190	void countAnnotations() {
aoqi@0	191	int expected_visibles = 0, expected_invisibles = 38;
aoqi@0	192	int expected_all = expected_visibles + expected_invisibles;
aoqi@0	193
aoqi@0	194	if (expected_all != all) {
aoqi@0	195	errors++;
aoqi@0	196	System.err.println("expected " + expected_all
aoqi@0	197	+ " annotations but found " + all);
aoqi@0	198	}
aoqi@0	199
aoqi@0	200	if (expected_visibles != visibles) {
aoqi@0	201	errors++;
aoqi@0	202	System.err.println("expected " + expected_visibles
aoqi@0	203	+ " visibles annotations but found " + visibles);
aoqi@0	204	}
aoqi@0	205
aoqi@0	206	if (expected_invisibles != invisibles) {
aoqi@0	207	errors++;
aoqi@0	208	System.err.println("expected " + expected_invisibles
aoqi@0	209	+ " invisibles annotations but found " + invisibles);
aoqi@0	210	}
aoqi@0	211
aoqi@0	212	}
aoqi@0	213
aoqi@0	214	int errors;
aoqi@0	215	int all;
aoqi@0	216	int visibles;
aoqi@0	217	int invisibles;
aoqi@0	218	}