/* * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ /** * @test * @summary StringConcatFactory MH_INLINE_SIZED_EXACT strategy does not work with -XX:-CompactStrings * @bug 8148869 * * @compile -XDstringConcat=indy -source 1.9 -target 1.9 CompactStringsInitialCoder.java * * @run main/othervm -Xverify:all -Djava.lang.invoke.stringConcat=BC_SB -XX:+CompactStrings CompactStringsInitialCoder * @run main/othervm -Xverify:all -Djava.lang.invoke.stringConcat=BC_SB_SIZED -XX:+CompactStrings CompactStringsInitialCoder * @run main/othervm -Xverify:all -Djava.lang.invoke.stringConcat=MH_SB_SIZED -XX:+CompactStrings CompactStringsInitialCoder * @run main/othervm -Xverify:all -Djava.lang.invoke.stringConcat=BC_SB_SIZED_EXACT -XX:+CompactStrings CompactStringsInitialCoder * @run main/othervm -Xverify:all -Djava.lang.invoke.stringConcat=MH_SB_SIZED_EXACT -XX:+CompactStrings CompactStringsInitialCoder * @run main/othervm -Xverify:all -Djava.lang.invoke.stringConcat=MH_INLINE_SIZED_EXACT -XX:+CompactStrings CompactStringsInitialCoder * * @compile -XDstringConcat=indyWithConstants -source 1.9 -target 1.9 CompactStringsInitialCoder.java * * @run main/othervm -Xverify:all -Djava.lang.invoke.stringConcat=BC_SB -XX:+CompactStrings CompactStringsInitialCoder * @run main/othervm -Xverify:all -Djava.lang.invoke.stringConcat=BC_SB_SIZED -XX:+CompactStrings CompactStringsInitialCoder * @run main/othervm -Xverify:all -Djava.lang.invoke.stringConcat=MH_SB_SIZED -XX:+CompactStrings CompactStringsInitialCoder * @run main/othervm -Xverify:all -Djava.lang.invoke.stringConcat=BC_SB_SIZED_EXACT -XX:+CompactStrings CompactStringsInitialCoder * @run main/othervm -Xverify:all -Djava.lang.invoke.stringConcat=MH_SB_SIZED_EXACT -XX:+CompactStrings CompactStringsInitialCoder * @run main/othervm -Xverify:all -Djava.lang.invoke.stringConcat=MH_INLINE_SIZED_EXACT -XX:+CompactStrings CompactStringsInitialCoder * * @compile -XDstringConcat=indy -source 1.9 -target 1.9 CompactStringsInitialCoder.java * * @run main/othervm -Xverify:all -Djava.lang.invoke.stringConcat=BC_SB -XX:-CompactStrings CompactStringsInitialCoder * @run main/othervm -Xverify:all -Djava.lang.invoke.stringConcat=BC_SB_SIZED -XX:-CompactStrings CompactStringsInitialCoder * @run main/othervm -Xverify:all -Djava.lang.invoke.stringConcat=MH_SB_SIZED -XX:-CompactStrings CompactStringsInitialCoder * @run main/othervm -Xverify:all -Djava.lang.invoke.stringConcat=BC_SB_SIZED_EXACT -XX:-CompactStrings CompactStringsInitialCoder * @run main/othervm -Xverify:all -Djava.lang.invoke.stringConcat=MH_SB_SIZED_EXACT -XX:-CompactStrings CompactStringsInitialCoder * @run main/othervm -Xverify:all -Djava.lang.invoke.stringConcat=MH_INLINE_SIZED_EXACT -XX:-CompactStrings CompactStringsInitialCoder * * @compile -XDstringConcat=indyWithConstants -source 1.9 -target 1.9 CompactStringsInitialCoder.java * * @run main/othervm -Xverify:all -Djava.lang.invoke.stringConcat=BC_SB -XX:-CompactStrings CompactStringsInitialCoder * @run main/othervm -Xverify:all -Djava.lang.invoke.stringConcat=BC_SB_SIZED -XX:-CompactStrings CompactStringsInitialCoder * @run main/othervm -Xverify:all -Djava.lang.invoke.stringConcat=MH_SB_SIZED -XX:-CompactStrings CompactStringsInitialCoder * @run main/othervm -Xverify:all -Djava.lang.invoke.stringConcat=BC_SB_SIZED_EXACT -XX:-CompactStrings CompactStringsInitialCoder * @run main/othervm -Xverify:all -Djava.lang.invoke.stringConcat=MH_SB_SIZED_EXACT -XX:-CompactStrings CompactStringsInitialCoder * @run main/othervm -Xverify:all -Djava.lang.invoke.stringConcat=MH_INLINE_SIZED_EXACT -XX:-CompactStrings CompactStringsInitialCoder */ import java.lang.StringBuilder; public class CompactStringsInitialCoder { static String strEmpty = ""; static String strLatin1 = "\u0042"; static String strUTF16 = "\u4242"; static char charLatin1 = '\u0042'; static char charUTF16 = '\u4242'; public static void main(String[] args) throws Exception { test("\u0042", "" + '\u0042'); test("\u4242", "" + '\u4242'); test("\u0042", "" + charLatin1); test("\u4242", "" + charUTF16); test("\u0042", strEmpty + '\u0042'); test("\u4242", strEmpty + '\u4242'); test("\u0042\u0042", strLatin1 + '\u0042'); test("\u0042\u4242", strLatin1 + '\u4242'); test("\u4242\u0042", strUTF16 + '\u0042'); test("\u4242\u4242", strUTF16 + '\u4242'); test("\u0042\u0042", "\u0042" + charLatin1); test("\u0042\u4242", "\u0042" + charUTF16); test("\u4242\u0042", "\u4242" + charLatin1); test("\u4242\u4242", "\u4242" + charUTF16); test("\u0042\u0042", "" + charLatin1 + charLatin1); test("\u0042\u4242", "" + charLatin1 + charUTF16); test("\u4242\u0042", "" + charUTF16 + charLatin1); test("\u4242\u4242", "" + charUTF16 + charUTF16); } public static void test(String expected, String actual) { if (!expected.equals(actual)) { StringBuilder sb = new StringBuilder(); sb.append("Expected = "); sb.append(expected); sb.append(", actual = "); sb.append(actual); throw new IllegalStateException(sb.toString()); } } }