CompactStringsInitialCoder.java revision 15491:6f390eafc676 
1/*
2 * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24/**
25 * @test
26 * @summary StringConcatFactory MH_INLINE_SIZED_EXACT strategy does not work with -XX:-CompactStrings
27 * @bug 8148869
28 *
29 * @compile -XDstringConcat=indy -source 1.9 -target 1.9 CompactStringsInitialCoder.java
30 *
31 * @run main/othervm -Xverify:all -Djava.lang.invoke.stringConcat=BC_SB                           -XX:+CompactStrings   CompactStringsInitialCoder
32 * @run main/othervm -Xverify:all -Djava.lang.invoke.stringConcat=BC_SB_SIZED                     -XX:+CompactStrings   CompactStringsInitialCoder
33 * @run main/othervm -Xverify:all -Djava.lang.invoke.stringConcat=MH_SB_SIZED                     -XX:+CompactStrings   CompactStringsInitialCoder
34 * @run main/othervm -Xverify:all -Djava.lang.invoke.stringConcat=BC_SB_SIZED_EXACT               -XX:+CompactStrings   CompactStringsInitialCoder
35 * @run main/othervm -Xverify:all -Djava.lang.invoke.stringConcat=MH_SB_SIZED_EXACT               -XX:+CompactStrings   CompactStringsInitialCoder
36 * @run main/othervm -Xverify:all -Djava.lang.invoke.stringConcat=MH_INLINE_SIZED_EXACT           -XX:+CompactStrings   CompactStringsInitialCoder
37 *
38 * @compile -XDstringConcat=indyWithConstants -source 1.9 -target 1.9 CompactStringsInitialCoder.java
39 *
40 * @run main/othervm -Xverify:all -Djava.lang.invoke.stringConcat=BC_SB                           -XX:+CompactStrings   CompactStringsInitialCoder
41 * @run main/othervm -Xverify:all -Djava.lang.invoke.stringConcat=BC_SB_SIZED                     -XX:+CompactStrings   CompactStringsInitialCoder
42 * @run main/othervm -Xverify:all -Djava.lang.invoke.stringConcat=MH_SB_SIZED                     -XX:+CompactStrings   CompactStringsInitialCoder
43 * @run main/othervm -Xverify:all -Djava.lang.invoke.stringConcat=BC_SB_SIZED_EXACT               -XX:+CompactStrings   CompactStringsInitialCoder
44 * @run main/othervm -Xverify:all -Djava.lang.invoke.stringConcat=MH_SB_SIZED_EXACT               -XX:+CompactStrings   CompactStringsInitialCoder
45 * @run main/othervm -Xverify:all -Djava.lang.invoke.stringConcat=MH_INLINE_SIZED_EXACT           -XX:+CompactStrings   CompactStringsInitialCoder
46 *
47 * @compile -XDstringConcat=indy -source 1.9 -target 1.9 CompactStringsInitialCoder.java
48 *
49 * @run main/othervm -Xverify:all -Djava.lang.invoke.stringConcat=BC_SB                           -XX:-CompactStrings   CompactStringsInitialCoder
50 * @run main/othervm -Xverify:all -Djava.lang.invoke.stringConcat=BC_SB_SIZED                     -XX:-CompactStrings   CompactStringsInitialCoder
51 * @run main/othervm -Xverify:all -Djava.lang.invoke.stringConcat=MH_SB_SIZED                     -XX:-CompactStrings   CompactStringsInitialCoder
52 * @run main/othervm -Xverify:all -Djava.lang.invoke.stringConcat=BC_SB_SIZED_EXACT               -XX:-CompactStrings   CompactStringsInitialCoder
53 * @run main/othervm -Xverify:all -Djava.lang.invoke.stringConcat=MH_SB_SIZED_EXACT               -XX:-CompactStrings   CompactStringsInitialCoder
54 * @run main/othervm -Xverify:all -Djava.lang.invoke.stringConcat=MH_INLINE_SIZED_EXACT           -XX:-CompactStrings   CompactStringsInitialCoder
55 *
56 * @compile -XDstringConcat=indyWithConstants -source 1.9 -target 1.9 CompactStringsInitialCoder.java
57 *
58 * @run main/othervm -Xverify:all -Djava.lang.invoke.stringConcat=BC_SB                           -XX:-CompactStrings   CompactStringsInitialCoder
59 * @run main/othervm -Xverify:all -Djava.lang.invoke.stringConcat=BC_SB_SIZED                     -XX:-CompactStrings   CompactStringsInitialCoder
60 * @run main/othervm -Xverify:all -Djava.lang.invoke.stringConcat=MH_SB_SIZED                     -XX:-CompactStrings   CompactStringsInitialCoder
61 * @run main/othervm -Xverify:all -Djava.lang.invoke.stringConcat=BC_SB_SIZED_EXACT               -XX:-CompactStrings   CompactStringsInitialCoder
62 * @run main/othervm -Xverify:all -Djava.lang.invoke.stringConcat=MH_SB_SIZED_EXACT               -XX:-CompactStrings   CompactStringsInitialCoder
63 * @run main/othervm -Xverify:all -Djava.lang.invoke.stringConcat=MH_INLINE_SIZED_EXACT           -XX:-CompactStrings   CompactStringsInitialCoder
64*/
65import java.lang.StringBuilder;
66
67public class CompactStringsInitialCoder {
68
69    static String strEmpty   = "";
70    static String strLatin1  = "\u0042";
71    static String strUTF16   = "\u4242";
72    static char   charLatin1 = '\u0042';
73    static char   charUTF16  = '\u4242';
74
75    public static void main(String[] args) throws Exception {
76        test("\u0042", "" + '\u0042');
77        test("\u4242", "" + '\u4242');
78
79        test("\u0042", "" + charLatin1);
80        test("\u4242", "" + charUTF16);
81
82        test("\u0042", strEmpty + '\u0042');
83        test("\u4242", strEmpty + '\u4242');
84
85        test("\u0042\u0042", strLatin1 + '\u0042');
86        test("\u0042\u4242", strLatin1 + '\u4242');
87        test("\u4242\u0042", strUTF16  + '\u0042');
88        test("\u4242\u4242", strUTF16  + '\u4242');
89
90        test("\u0042\u0042", "\u0042" + charLatin1);
91        test("\u0042\u4242", "\u0042" + charUTF16);
92        test("\u4242\u0042", "\u4242" + charLatin1);
93        test("\u4242\u4242", "\u4242" + charUTF16);
94
95        test("\u0042\u0042", "" + charLatin1 + charLatin1);
96        test("\u0042\u4242", "" + charLatin1 + charUTF16);
97        test("\u4242\u0042", "" + charUTF16  + charLatin1);
98        test("\u4242\u4242", "" + charUTF16  + charUTF16);
99    }
100
101    public static void test(String expected, String actual) {
102       if (!expected.equals(actual)) {
103           StringBuilder sb = new StringBuilder();
104           sb.append("Expected = ");
105           sb.append(expected);
106           sb.append(", actual = ");
107           sb.append(actual);
108           throw new IllegalStateException(sb.toString());
109       }
110    }
111
112
113}
114