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test/tools/javac/tree/TypeAnnotationsPretty.java@959103a6100f (annotated)

test/tools/javac/tree/TypeAnnotationsPretty.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) 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	/*
aoqi@0	25	* @test
aoqi@0	26	* @bug 8023522
aoqi@0	27	* @summary test Pretty print of type annotations
aoqi@0	28	* @author wmdietl
aoqi@0	29	*/
aoqi@0	30
aoqi@0	31	import com.sun.source.tree.ClassTree;
aoqi@0	32	import com.sun.source.tree.CompilationUnitTree;
aoqi@0	33	import com.sun.tools.javac.api.JavacTaskImpl;
aoqi@0	34	import com.sun.tools.javac.tree.JCTree;
aoqi@0	35
aoqi@0	36	import java.io.IOException;
aoqi@0	37	import java.net.URI;
aoqi@0	38	import java.util.Arrays;
aoqi@0	39	import java.util.List;
aoqi@0	40	import java.util.LinkedList;
aoqi@0	41
aoqi@0	42	import javax.tools.JavaCompiler;
aoqi@0	43	import javax.tools.JavaFileObject;
aoqi@0	44	import javax.tools.SimpleJavaFileObject;
aoqi@0	45	import javax.tools.ToolProvider;
aoqi@0	46
aoqi@0	47	public class TypeAnnotationsPretty {
aoqi@0	48	private final JavaCompiler tool;
aoqi@0	49
aoqi@0	50	TypeAnnotationsPretty() {
aoqi@0	51	tool = ToolProvider.getSystemJavaCompiler();
aoqi@0	52	}
aoqi@0	53
aoqi@0	54	private List<String> matches = new LinkedList<String>();
aoqi@0	55	private List<String> mismatches = new LinkedList<String>();
aoqi@0	56
aoqi@0	57	public static void main(String... args) throws Exception {
aoqi@0	58	TypeAnnotationsPretty tap = new TypeAnnotationsPretty();
aoqi@0	59
aoqi@0	60	tap.runField("@TA()\nObject cls = null");
aoqi@0	61	tap.runField("@TA()\nObject cls = new @TA() Object()");
aoqi@0	62
aoqi@0	63	tap.runField("@TA()\nList<@TB() Object> cls = null");
aoqi@0	64	tap.runField("@TA()\nList<@TB() Object> cls = new @TA() LinkedList<@TB() Object>()");
aoqi@0	65
aoqi@0	66	tap.runField("Class[] cls = null");
aoqi@0	67	tap.runField("@TA()\nClass[] cls = null");
aoqi@0	68	tap.runField("Class @TA() [] cls = null");
aoqi@0	69	tap.runField("@TA()\nClass @TB() [] cls = null");
aoqi@0	70
aoqi@0	71	tap.runField("Class[] cls = new Class[]{Object.class}");
aoqi@0	72	tap.runField("@TA()\nClass[] cls = new @TA() Class[]{Object.class}");
aoqi@0	73	tap.runField("Class @TB() [] cls = new Class @TB() []{Object.class}");
aoqi@0	74	tap.runField("@TA()\nClass @TB() [] cls = new @TA() Class @TB() []{Object.class}");
aoqi@0	75	tap.runField("@TA()\nClass @TB() [] @TC() [] cls = new @TA() Class @TB() [10] @TC() []");
aoqi@0	76	tap.runField("Class @TB() [] @TC() [] cls = new Class @TB() [10] @TC() []");
aoqi@0	77	tap.runField("@TA()\nClass @TB() [] @TC() [] @TD() [] cls = new @TA() Class @TB() [10] @TC() [] @TD() []");
aoqi@0	78
aoqi@0	79	tap.runMethod("\n@TA()\nObject test(@TB()\nList<@TC() String> p) {\n" +
aoqi@0	80	" return null;\n" +
aoqi@0	81	"}");
aoqi@0	82
aoqi@0	83
aoqi@0	84	if (!tap.matches.isEmpty()) {
aoqi@0	85	for (String m : tap.matches)
aoqi@0	86	System.out.println(m);
aoqi@0	87	}
aoqi@0	88	if (!tap.mismatches.isEmpty()) {
aoqi@0	89	for (String mm : tap.mismatches)
aoqi@0	90	System.err.println(mm + NL);
aoqi@0	91	throw new RuntimeException("Tests failed!");
aoqi@0	92	}
aoqi@0	93	}
aoqi@0	94
aoqi@0	95	private static final String prefix =
aoqi@0	96	"import java.lang.annotation.*;" +
aoqi@0	97	"import java.util.*;" +
aoqi@0	98	"public class Test {";
aoqi@0	99
aoqi@0	100	private static final String postfix =
aoqi@0	101	"@Target(ElementType.TYPE_USE)" +
aoqi@0	102	"@interface TA {}" +
aoqi@0	103	"@Target(ElementType.TYPE_USE)" +
aoqi@0	104	"@interface TB {}" +
aoqi@0	105	"@Target(ElementType.TYPE_USE)" +
aoqi@0	106	"@interface TC {}" +
aoqi@0	107	"@Target(ElementType.TYPE_USE)" +
aoqi@0	108	"@interface TD {}";
aoqi@0	109
aoqi@0	110	private static final String NL = System.getProperty("line.separator");
aoqi@0	111
aoqi@0	112	private void runField(String code) throws IOException {
aoqi@0	113	String src = prefix +
aoqi@0	114	code + "; }" +
aoqi@0	115	postfix;
aoqi@0	116
aoqi@0	117	JavacTaskImpl ct = (JavacTaskImpl) tool.getTask(null, null, null, null,
aoqi@0	118	null, Arrays.asList(new MyFileObject(src)));
aoqi@0	119
aoqi@0	120	for (CompilationUnitTree cut : ct.parse()) {
aoqi@0	121	JCTree.JCVariableDecl var =
aoqi@0	122	(JCTree.JCVariableDecl) ((ClassTree) cut.getTypeDecls().get(0)).getMembers().get(0);
aoqi@0	123	checkMatch(code, var);
aoqi@0	124	}
aoqi@0	125	}
aoqi@0	126
aoqi@0	127	private void runMethod(String code) throws IOException {
aoqi@0	128	String src = prefix +
aoqi@0	129	code + "}" +
aoqi@0	130	postfix;
aoqi@0	131
aoqi@0	132	JavacTaskImpl ct = (JavacTaskImpl) tool.getTask(null, null, null, null,
aoqi@0	133	null, Arrays.asList(new MyFileObject(src)));
aoqi@0	134
aoqi@0	135
aoqi@0	136	for (CompilationUnitTree cut : ct.parse()) {
aoqi@0	137	JCTree.JCMethodDecl meth =
aoqi@0	138	(JCTree.JCMethodDecl) ((ClassTree) cut.getTypeDecls().get(0)).getMembers().get(0);
aoqi@0	139	checkMatch(code, meth);
aoqi@0	140	}
aoqi@0	141	}
aoqi@0	142
aoqi@0	143	void checkMatch(String code, JCTree tree) {
aoqi@0	144	String expect = code.replace("\n", NL);
aoqi@0	145	String found = tree.toString();
aoqi@0	146	if (!expect.equals(found)) {
aoqi@0	147	mismatches.add("Expected: " + expect + NL +
aoqi@0	148	"Obtained: " + found);
aoqi@0	149	} else {
aoqi@0	150	matches.add("Passed: " + expect);
aoqi@0	151	}
aoqi@0	152	}
aoqi@0	153	}
aoqi@0	154
aoqi@0	155
aoqi@0	156	class MyFileObject extends SimpleJavaFileObject {
aoqi@0	157
aoqi@0	158	private String text;
aoqi@0	159
aoqi@0	160	public MyFileObject(String text) {
aoqi@0	161	super(URI.create("myfo:/Test.java"), JavaFileObject.Kind.SOURCE);
aoqi@0	162	this.text = text;
aoqi@0	163	}
aoqi@0	164
aoqi@0	165	@Override
aoqi@0	166	public CharSequence getCharContent(boolean ignoreEncodingErrors) {
aoqi@0	167	return text;
aoqi@0	168	}
aoqi@0	169	}