jdk-sandbox: langtools/test/tools/javac/StringConcat/TestIndyStringConcat.java@f21702a00d31 (annotated)

35424 96661d1df628 8148483: JEP 280: Indify String Concatenation shade parents: diff changeset	1	/*
96661d1df628 8148483: JEP 280: Indify String Concatenation shade parents: diff changeset	2	* Copyright (c) 2015, 2016, Oracle and/or its affiliates. All rights reserved.
96661d1df628 8148483: JEP 280: Indify String Concatenation shade parents: diff changeset	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
96661d1df628 8148483: JEP 280: Indify String Concatenation shade parents: diff changeset	4	*
96661d1df628 8148483: JEP 280: Indify String Concatenation shade parents: diff changeset	5	* This code is free software; you can redistribute it and/or modify it
96661d1df628 8148483: JEP 280: Indify String Concatenation shade parents: diff changeset	6	* under the terms of the GNU General Public License version 2 only, as
96661d1df628 8148483: JEP 280: Indify String Concatenation shade parents: diff changeset	7	* published by the Free Software Foundation.
96661d1df628 8148483: JEP 280: Indify String Concatenation shade parents: diff changeset	8	*
96661d1df628 8148483: JEP 280: Indify String Concatenation shade parents: diff changeset	9	* This code is distributed in the hope that it will be useful, but WITHOUT
96661d1df628 8148483: JEP 280: Indify String Concatenation shade parents: diff changeset	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
96661d1df628 8148483: JEP 280: Indify String Concatenation shade parents: diff changeset	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
96661d1df628 8148483: JEP 280: Indify String Concatenation shade parents: diff changeset	12	* version 2 for more details (a copy is included in the LICENSE file that
96661d1df628 8148483: JEP 280: Indify String Concatenation shade parents: diff changeset	13	* accompanied this code).
96661d1df628 8148483: JEP 280: Indify String Concatenation shade parents: diff changeset	14	*
96661d1df628 8148483: JEP 280: Indify String Concatenation shade parents: diff changeset	15	* You should have received a copy of the GNU General Public License version
96661d1df628 8148483: JEP 280: Indify String Concatenation shade parents: diff changeset	16	* 2 along with this work; if not, write to the Free Software Foundation,
96661d1df628 8148483: JEP 280: Indify String Concatenation shade parents: diff changeset	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
96661d1df628 8148483: JEP 280: Indify String Concatenation shade parents: diff changeset	18	*
96661d1df628 8148483: JEP 280: Indify String Concatenation shade parents: diff changeset	19	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
96661d1df628 8148483: JEP 280: Indify String Concatenation shade parents: diff changeset	20	* or visit www.oracle.com if you need additional information or have any
96661d1df628 8148483: JEP 280: Indify String Concatenation shade parents: diff changeset	21	* questions.
96661d1df628 8148483: JEP 280: Indify String Concatenation shade parents: diff changeset	22	*/
96661d1df628 8148483: JEP 280: Indify String Concatenation shade parents: diff changeset	23
36496 f21702a00d31 8151516: test/tools/javac/TestIndyStringConcat depends on runtime JDK details shade parents: 36041 diff changeset	24	import com.sun.tools.classfile.*;
f21702a00d31 8151516: test/tools/javac/TestIndyStringConcat depends on runtime JDK details shade parents: 36041 diff changeset	25	import com.sun.tools.classfile.BootstrapMethods_attribute.BootstrapMethodSpecifier;
f21702a00d31 8151516: test/tools/javac/TestIndyStringConcat depends on runtime JDK details shade parents: 36041 diff changeset	26	import com.sun.tools.classfile.ConstantPool.CONSTANT_InvokeDynamic_info;
f21702a00d31 8151516: test/tools/javac/TestIndyStringConcat depends on runtime JDK details shade parents: 36041 diff changeset	27	import com.sun.tools.classfile.ConstantPool.CONSTANT_MethodHandle_info;
f21702a00d31 8151516: test/tools/javac/TestIndyStringConcat depends on runtime JDK details shade parents: 36041 diff changeset	28
f21702a00d31 8151516: test/tools/javac/TestIndyStringConcat depends on runtime JDK details shade parents: 36041 diff changeset	29	import java.io.File;
f21702a00d31 8151516: test/tools/javac/TestIndyStringConcat depends on runtime JDK details shade parents: 36041 diff changeset	30
35424 96661d1df628 8148483: JEP 280: Indify String Concatenation shade parents: diff changeset	31	/*
96661d1df628 8148483: JEP 280: Indify String Concatenation shade parents: diff changeset	32	* @test
36496 f21702a00d31 8151516: test/tools/javac/TestIndyStringConcat depends on runtime JDK details shade parents: 36041 diff changeset	33	* @bug 8148483 8151516 8151223
35424 96661d1df628 8148483: JEP 280: Indify String Concatenation shade parents: diff changeset	34	* @summary Test that StringConcat is working for JDK >= 9
36496 f21702a00d31 8151516: test/tools/javac/TestIndyStringConcat depends on runtime JDK details shade parents: 36041 diff changeset	35	* @modules jdk.jdeps/com.sun.tools.classfile
f21702a00d31 8151516: test/tools/javac/TestIndyStringConcat depends on runtime JDK details shade parents: 36041 diff changeset	36	*
f21702a00d31 8151516: test/tools/javac/TestIndyStringConcat depends on runtime JDK details shade parents: 36041 diff changeset	37	* @clean TestIndyStringConcat*
35424 96661d1df628 8148483: JEP 280: Indify String Concatenation shade parents: diff changeset	38	* @compile -source 6 -target 6 TestIndyStringConcat.java
96661d1df628 8148483: JEP 280: Indify String Concatenation shade parents: diff changeset	39	* @run main TestIndyStringConcat false
36496 f21702a00d31 8151516: test/tools/javac/TestIndyStringConcat depends on runtime JDK details shade parents: 36041 diff changeset	40	*
35424 96661d1df628 8148483: JEP 280: Indify String Concatenation shade parents: diff changeset	41	* @clean TestIndyStringConcat*
96661d1df628 8148483: JEP 280: Indify String Concatenation shade parents: diff changeset	42	* @compile -source 7 -target 7 TestIndyStringConcat.java
96661d1df628 8148483: JEP 280: Indify String Concatenation shade parents: diff changeset	43	* @run main TestIndyStringConcat false
36496 f21702a00d31 8151516: test/tools/javac/TestIndyStringConcat depends on runtime JDK details shade parents: 36041 diff changeset	44	*
35424 96661d1df628 8148483: JEP 280: Indify String Concatenation shade parents: diff changeset	45	* @clean TestIndyStringConcat*
96661d1df628 8148483: JEP 280: Indify String Concatenation shade parents: diff changeset	46	* @compile -source 8 -target 8 TestIndyStringConcat.java
96661d1df628 8148483: JEP 280: Indify String Concatenation shade parents: diff changeset	47	* @run main TestIndyStringConcat false
36496 f21702a00d31 8151516: test/tools/javac/TestIndyStringConcat depends on runtime JDK details shade parents: 36041 diff changeset	48	*
35424 96661d1df628 8148483: JEP 280: Indify String Concatenation shade parents: diff changeset	49	* @clean TestIndyStringConcat*
96661d1df628 8148483: JEP 280: Indify String Concatenation shade parents: diff changeset	50	* @compile -XDstringConcat=inline -source 9 -target 9 TestIndyStringConcat.java
96661d1df628 8148483: JEP 280: Indify String Concatenation shade parents: diff changeset	51	* @run main TestIndyStringConcat false
36496 f21702a00d31 8151516: test/tools/javac/TestIndyStringConcat depends on runtime JDK details shade parents: 36041 diff changeset	52	*
35424 96661d1df628 8148483: JEP 280: Indify String Concatenation shade parents: diff changeset	53	* @clean TestIndyStringConcat*
96661d1df628 8148483: JEP 280: Indify String Concatenation shade parents: diff changeset	54	* @compile -XDstringConcat=indy -source 9 -target 9 TestIndyStringConcat.java
96661d1df628 8148483: JEP 280: Indify String Concatenation shade parents: diff changeset	55	* @run main TestIndyStringConcat true
36496 f21702a00d31 8151516: test/tools/javac/TestIndyStringConcat depends on runtime JDK details shade parents: 36041 diff changeset	56	*
35424 96661d1df628 8148483: JEP 280: Indify String Concatenation shade parents: diff changeset	57	* @clean TestIndyStringConcat*
96661d1df628 8148483: JEP 280: Indify String Concatenation shade parents: diff changeset	58	* @compile -XDstringConcat=indyWithConstants -source 9 -target 9 TestIndyStringConcat.java
96661d1df628 8148483: JEP 280: Indify String Concatenation shade parents: diff changeset	59	* @run main TestIndyStringConcat true
96661d1df628 8148483: JEP 280: Indify String Concatenation shade parents: diff changeset	60	*/
96661d1df628 8148483: JEP 280: Indify String Concatenation shade parents: diff changeset	61	public class TestIndyStringConcat {
96661d1df628 8148483: JEP 280: Indify String Concatenation shade parents: diff changeset	62
36496 f21702a00d31 8151516: test/tools/javac/TestIndyStringConcat depends on runtime JDK details shade parents: 36041 diff changeset	63	static String other;
f21702a00d31 8151516: test/tools/javac/TestIndyStringConcat depends on runtime JDK details shade parents: 36041 diff changeset	64
f21702a00d31 8151516: test/tools/javac/TestIndyStringConcat depends on runtime JDK details shade parents: 36041 diff changeset	65	public static String test() {
f21702a00d31 8151516: test/tools/javac/TestIndyStringConcat depends on runtime JDK details shade parents: 36041 diff changeset	66	return "Foo" + other;
f21702a00d31 8151516: test/tools/javac/TestIndyStringConcat depends on runtime JDK details shade parents: 36041 diff changeset	67	}
f21702a00d31 8151516: test/tools/javac/TestIndyStringConcat depends on runtime JDK details shade parents: 36041 diff changeset	68
f21702a00d31 8151516: test/tools/javac/TestIndyStringConcat depends on runtime JDK details shade parents: 36041 diff changeset	69	public static void main(String[] args) throws Exception {
f21702a00d31 8151516: test/tools/javac/TestIndyStringConcat depends on runtime JDK details shade parents: 36041 diff changeset	70	boolean expected = Boolean.valueOf(args[0]);
f21702a00d31 8151516: test/tools/javac/TestIndyStringConcat depends on runtime JDK details shade parents: 36041 diff changeset	71	boolean actual = hasStringConcatFactoryCall("test");
f21702a00d31 8151516: test/tools/javac/TestIndyStringConcat depends on runtime JDK details shade parents: 36041 diff changeset	72	if (expected != actual) {
f21702a00d31 8151516: test/tools/javac/TestIndyStringConcat depends on runtime JDK details shade parents: 36041 diff changeset	73	throw new AssertionError("expected = " + expected + ", actual = " + actual);
35424 96661d1df628 8148483: JEP 280: Indify String Concatenation shade parents: diff changeset	74	}
96661d1df628 8148483: JEP 280: Indify String Concatenation shade parents: diff changeset	75	}
96661d1df628 8148483: JEP 280: Indify String Concatenation shade parents: diff changeset	76
36496 f21702a00d31 8151516: test/tools/javac/TestIndyStringConcat depends on runtime JDK details shade parents: 36041 diff changeset	77	public static boolean hasStringConcatFactoryCall(String methodName) throws Exception {
f21702a00d31 8151516: test/tools/javac/TestIndyStringConcat depends on runtime JDK details shade parents: 36041 diff changeset	78	ClassFile classFile = ClassFile.read(new File(System.getProperty("test.classes", "."),
f21702a00d31 8151516: test/tools/javac/TestIndyStringConcat depends on runtime JDK details shade parents: 36041 diff changeset	79	TestIndyStringConcat.class.getName() + ".class"));
f21702a00d31 8151516: test/tools/javac/TestIndyStringConcat depends on runtime JDK details shade parents: 36041 diff changeset	80	ConstantPool constantPool = classFile.constant_pool;
f21702a00d31 8151516: test/tools/javac/TestIndyStringConcat depends on runtime JDK details shade parents: 36041 diff changeset	81
f21702a00d31 8151516: test/tools/javac/TestIndyStringConcat depends on runtime JDK details shade parents: 36041 diff changeset	82	BootstrapMethods_attribute bsm_attr =
f21702a00d31 8151516: test/tools/javac/TestIndyStringConcat depends on runtime JDK details shade parents: 36041 diff changeset	83	(BootstrapMethods_attribute)classFile
f21702a00d31 8151516: test/tools/javac/TestIndyStringConcat depends on runtime JDK details shade parents: 36041 diff changeset	84	.getAttribute(Attribute.BootstrapMethods);
35424 96661d1df628 8148483: JEP 280: Indify String Concatenation shade parents: diff changeset	85
36496 f21702a00d31 8151516: test/tools/javac/TestIndyStringConcat depends on runtime JDK details shade parents: 36041 diff changeset	86	for (Method method : classFile.methods) {
f21702a00d31 8151516: test/tools/javac/TestIndyStringConcat depends on runtime JDK details shade parents: 36041 diff changeset	87	if (method.getName(constantPool).equals(methodName)) {
f21702a00d31 8151516: test/tools/javac/TestIndyStringConcat depends on runtime JDK details shade parents: 36041 diff changeset	88	Code_attribute code = (Code_attribute) method.attributes
f21702a00d31 8151516: test/tools/javac/TestIndyStringConcat depends on runtime JDK details shade parents: 36041 diff changeset	89	.get(Attribute.Code);
f21702a00d31 8151516: test/tools/javac/TestIndyStringConcat depends on runtime JDK details shade parents: 36041 diff changeset	90	for (Instruction i : code.getInstructions()) {
f21702a00d31 8151516: test/tools/javac/TestIndyStringConcat depends on runtime JDK details shade parents: 36041 diff changeset	91	if (i.getOpcode() == Opcode.INVOKEDYNAMIC) {
f21702a00d31 8151516: test/tools/javac/TestIndyStringConcat depends on runtime JDK details shade parents: 36041 diff changeset	92	CONSTANT_InvokeDynamic_info indyInfo =
f21702a00d31 8151516: test/tools/javac/TestIndyStringConcat depends on runtime JDK details shade parents: 36041 diff changeset	93	(CONSTANT_InvokeDynamic_info) constantPool.get(i.getUnsignedShort(1));
f21702a00d31 8151516: test/tools/javac/TestIndyStringConcat depends on runtime JDK details shade parents: 36041 diff changeset	94
f21702a00d31 8151516: test/tools/javac/TestIndyStringConcat depends on runtime JDK details shade parents: 36041 diff changeset	95	BootstrapMethodSpecifier bsmSpec =
f21702a00d31 8151516: test/tools/javac/TestIndyStringConcat depends on runtime JDK details shade parents: 36041 diff changeset	96	bsm_attr.bootstrap_method_specifiers[indyInfo.bootstrap_method_attr_index];
f21702a00d31 8151516: test/tools/javac/TestIndyStringConcat depends on runtime JDK details shade parents: 36041 diff changeset	97
f21702a00d31 8151516: test/tools/javac/TestIndyStringConcat depends on runtime JDK details shade parents: 36041 diff changeset	98	CONSTANT_MethodHandle_info bsmInfo =
f21702a00d31 8151516: test/tools/javac/TestIndyStringConcat depends on runtime JDK details shade parents: 36041 diff changeset	99	(CONSTANT_MethodHandle_info) constantPool.get(bsmSpec.bootstrap_method_ref);
f21702a00d31 8151516: test/tools/javac/TestIndyStringConcat depends on runtime JDK details shade parents: 36041 diff changeset	100
f21702a00d31 8151516: test/tools/javac/TestIndyStringConcat depends on runtime JDK details shade parents: 36041 diff changeset	101	if (bsmInfo.getCPRefInfo().getClassName().equals("java/lang/invoke/StringConcatFactory")) {
f21702a00d31 8151516: test/tools/javac/TestIndyStringConcat depends on runtime JDK details shade parents: 36041 diff changeset	102	return true;
f21702a00d31 8151516: test/tools/javac/TestIndyStringConcat depends on runtime JDK details shade parents: 36041 diff changeset	103	}
f21702a00d31 8151516: test/tools/javac/TestIndyStringConcat depends on runtime JDK details shade parents: 36041 diff changeset	104	}
35424 96661d1df628 8148483: JEP 280: Indify String Concatenation shade parents: diff changeset	105	}
96661d1df628 8148483: JEP 280: Indify String Concatenation shade parents: diff changeset	106	}
96661d1df628 8148483: JEP 280: Indify String Concatenation shade parents: diff changeset	107	}
36496 f21702a00d31 8151516: test/tools/javac/TestIndyStringConcat depends on runtime JDK details shade parents: 36041 diff changeset	108	return false;
35424 96661d1df628 8148483: JEP 280: Indify String Concatenation shade parents: diff changeset	109	}
36496 f21702a00d31 8151516: test/tools/javac/TestIndyStringConcat depends on runtime JDK details shade parents: 36041 diff changeset	110
35424 96661d1df628 8148483: JEP 280: Indify String Concatenation shade parents: diff changeset	111	}

author	shade
	Wed, 09 Mar 2016 18:31:49 +0300
changeset 36496	f21702a00d31
parent 36041	langtools/test/tools/javac/TestIndyStringConcat.java@bfcede0994e5
permissions	-rw-r--r--