/* * Copyright (c) 2015, 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 test implicit String concatenations * * @compile ImplicitStringConcat.java * @run main/othervm -Xverify:all ImplicitStringConcat * * @compile -XDstringConcat=inline ImplicitStringConcat.java * @run main/othervm -Xverify:all ImplicitStringConcat * * @compile -XDstringConcat=indy ImplicitStringConcat.java * * @run main/othervm -Xverify:all -Djava.lang.invoke.stringConcat=BC_SB ImplicitStringConcat * @run main/othervm -Xverify:all -Djava.lang.invoke.stringConcat=BC_SB_SIZED ImplicitStringConcat * @run main/othervm -Xverify:all -Djava.lang.invoke.stringConcat=MH_SB_SIZED ImplicitStringConcat * @run main/othervm -Xverify:all -Djava.lang.invoke.stringConcat=BC_SB_SIZED_EXACT ImplicitStringConcat * @run main/othervm -Xverify:all -Djava.lang.invoke.stringConcat=MH_SB_SIZED_EXACT ImplicitStringConcat * @run main/othervm -Xverify:all -Djava.lang.invoke.stringConcat=MH_INLINE_SIZED_EXACT ImplicitStringConcat * * @run main/othervm -Xverify:all -Djava.lang.invoke.stringConcat=BC_SB -Djava.lang.invoke.stringConcat.debug=true ImplicitStringConcat * @run main/othervm -Xverify:all -Djava.lang.invoke.stringConcat=BC_SB_SIZED -Djava.lang.invoke.stringConcat.debug=true ImplicitStringConcat * @run main/othervm -Xverify:all -Djava.lang.invoke.stringConcat=MH_SB_SIZED -Djava.lang.invoke.stringConcat.debug=true ImplicitStringConcat * @run main/othervm -Xverify:all -Djava.lang.invoke.stringConcat=BC_SB_SIZED_EXACT -Djava.lang.invoke.stringConcat.debug=true ImplicitStringConcat * @run main/othervm -Xverify:all -Djava.lang.invoke.stringConcat=MH_SB_SIZED_EXACT -Djava.lang.invoke.stringConcat.debug=true ImplicitStringConcat * @run main/othervm -Xverify:all -Djava.lang.invoke.stringConcat=MH_INLINE_SIZED_EXACT -Djava.lang.invoke.stringConcat.debug=true ImplicitStringConcat * * @run main/othervm -Xverify:all -Djava.lang.invoke.stringConcat=BC_SB -Djava.lang.invoke.stringConcat.cache=true ImplicitStringConcat * @run main/othervm -Xverify:all -Djava.lang.invoke.stringConcat=BC_SB_SIZED -Djava.lang.invoke.stringConcat.cache=true ImplicitStringConcat * @run main/othervm -Xverify:all -Djava.lang.invoke.stringConcat=MH_SB_SIZED -Djava.lang.invoke.stringConcat.cache=true ImplicitStringConcat * @run main/othervm -Xverify:all -Djava.lang.invoke.stringConcat=BC_SB_SIZED_EXACT -Djava.lang.invoke.stringConcat.cache=true ImplicitStringConcat * @run main/othervm -Xverify:all -Djava.lang.invoke.stringConcat=MH_SB_SIZED_EXACT -Djava.lang.invoke.stringConcat.cache=true ImplicitStringConcat * @run main/othervm -Xverify:all -Djava.lang.invoke.stringConcat=MH_INLINE_SIZED_EXACT -Djava.lang.invoke.stringConcat.cache=true ImplicitStringConcat * @run main/othervm -Xverify:all -Djava.lang.invoke.stringConcat=BC_SB -Djava.lang.invoke.stringConcat.debug=true -Djava.lang.invoke.stringConcat.cache=true ImplicitStringConcat * @run main/othervm -Xverify:all -Djava.lang.invoke.stringConcat=BC_SB_SIZED -Djava.lang.invoke.stringConcat.debug=true -Djava.lang.invoke.stringConcat.cache=true ImplicitStringConcat * @run main/othervm -Xverify:all -Djava.lang.invoke.stringConcat=MH_SB_SIZED -Djava.lang.invoke.stringConcat.debug=true -Djava.lang.invoke.stringConcat.cache=true ImplicitStringConcat * @run main/othervm -Xverify:all -Djava.lang.invoke.stringConcat=BC_SB_SIZED_EXACT -Djava.lang.invoke.stringConcat.debug=true -Djava.lang.invoke.stringConcat.cache=true ImplicitStringConcat * @run main/othervm -Xverify:all -Djava.lang.invoke.stringConcat=MH_SB_SIZED_EXACT -Djava.lang.invoke.stringConcat.debug=true -Djava.lang.invoke.stringConcat.cache=true ImplicitStringConcat * @run main/othervm -Xverify:all -Djava.lang.invoke.stringConcat=MH_INLINE_SIZED_EXACT -Djava.lang.invoke.stringConcat.debug=true -Djava.lang.invoke.stringConcat.cache=true ImplicitStringConcat * * @compile -XDstringConcat=indyWithConstants ImplicitStringConcat.java * * @run main/othervm -Xverify:all -Djava.lang.invoke.stringConcat=BC_SB ImplicitStringConcat * @run main/othervm -Xverify:all -Djava.lang.invoke.stringConcat=BC_SB_SIZED ImplicitStringConcat * @run main/othervm -Xverify:all -Djava.lang.invoke.stringConcat=MH_SB_SIZED ImplicitStringConcat * @run main/othervm -Xverify:all -Djava.lang.invoke.stringConcat=BC_SB_SIZED_EXACT ImplicitStringConcat * @run main/othervm -Xverify:all -Djava.lang.invoke.stringConcat=MH_SB_SIZED_EXACT ImplicitStringConcat * @run main/othervm -Xverify:all -Djava.lang.invoke.stringConcat=MH_INLINE_SIZED_EXACT ImplicitStringConcat * * @run main/othervm -Xverify:all -Djava.lang.invoke.stringConcat=BC_SB -Djava.lang.invoke.stringConcat.debug=true ImplicitStringConcat * @run main/othervm -Xverify:all -Djava.lang.invoke.stringConcat=BC_SB_SIZED -Djava.lang.invoke.stringConcat.debug=true ImplicitStringConcat * @run main/othervm -Xverify:all -Djava.lang.invoke.stringConcat=MH_SB_SIZED -Djava.lang.invoke.stringConcat.debug=true ImplicitStringConcat * @run main/othervm -Xverify:all -Djava.lang.invoke.stringConcat=BC_SB_SIZED_EXACT -Djava.lang.invoke.stringConcat.debug=true ImplicitStringConcat * @run main/othervm -Xverify:all -Djava.lang.invoke.stringConcat=MH_SB_SIZED_EXACT -Djava.lang.invoke.stringConcat.debug=true ImplicitStringConcat * @run main/othervm -Xverify:all -Djava.lang.invoke.stringConcat=MH_INLINE_SIZED_EXACT -Djava.lang.invoke.stringConcat.debug=true ImplicitStringConcat * * @run main/othervm -Xverify:all -Djava.lang.invoke.stringConcat=BC_SB -Djava.lang.invoke.stringConcat.cache=true ImplicitStringConcat * @run main/othervm -Xverify:all -Djava.lang.invoke.stringConcat=BC_SB_SIZED -Djava.lang.invoke.stringConcat.cache=true ImplicitStringConcat * @run main/othervm -Xverify:all -Djava.lang.invoke.stringConcat=MH_SB_SIZED -Djava.lang.invoke.stringConcat.cache=true ImplicitStringConcat * @run main/othervm -Xverify:all -Djava.lang.invoke.stringConcat=BC_SB_SIZED_EXACT -Djava.lang.invoke.stringConcat.cache=true ImplicitStringConcat * @run main/othervm -Xverify:all -Djava.lang.invoke.stringConcat=MH_SB_SIZED_EXACT -Djava.lang.invoke.stringConcat.cache=true ImplicitStringConcat * @run main/othervm -Xverify:all -Djava.lang.invoke.stringConcat=MH_INLINE_SIZED_EXACT -Djava.lang.invoke.stringConcat.cache=true ImplicitStringConcat * * @run main/othervm -Xverify:all -Djava.lang.invoke.stringConcat=BC_SB -Djava.lang.invoke.stringConcat.debug=true -Djava.lang.invoke.stringConcat.cache=true ImplicitStringConcat * @run main/othervm -Xverify:all -Djava.lang.invoke.stringConcat=BC_SB_SIZED -Djava.lang.invoke.stringConcat.debug=true -Djava.lang.invoke.stringConcat.cache=true ImplicitStringConcat * @run main/othervm -Xverify:all -Djava.lang.invoke.stringConcat=MH_SB_SIZED -Djava.lang.invoke.stringConcat.debug=true -Djava.lang.invoke.stringConcat.cache=true ImplicitStringConcat * @run main/othervm -Xverify:all -Djava.lang.invoke.stringConcat=BC_SB_SIZED_EXACT -Djava.lang.invoke.stringConcat.debug=true -Djava.lang.invoke.stringConcat.cache=true ImplicitStringConcat * @run main/othervm -Xverify:all -Djava.lang.invoke.stringConcat=MH_SB_SIZED_EXACT -Djava.lang.invoke.stringConcat.debug=true -Djava.lang.invoke.stringConcat.cache=true ImplicitStringConcat * @run main/othervm -Xverify:all -Djava.lang.invoke.stringConcat=MH_INLINE_SIZED_EXACT -Djava.lang.invoke.stringConcat.debug=true -Djava.lang.invoke.stringConcat.cache=true ImplicitStringConcat */ import java.lang.StringBuilder; public class ImplicitStringConcat { static boolean b = true; static byte by = 42; static short sh = 42; static char ch = 'a'; static int i = 42; static float fl = 42.0f; static long l = 42; static double d = 42.0d; static String s = "foo"; static String sNull = null; static Object o = "bar"; static Object oNull = null; static CharSequence cs = "bar"; static char[] chars = new char[] {'a'}; static MyClass myCl = new MyClass(); static MyClassNull myClNull = new MyClassNull(); static Object myCl2 = new MyClass(); static Object[] myArr = new Object[] { myCl }; static final Object[] s_myArr = new Object[] { myCl }; static StringBuffer sb = new StringBuffer("a"); public static void main(String[] args) throws Exception { test("footrue", s + b); test("foo42", s + by); test("foo42", s + sh); test("fooa", s + ch); test("foo42", s + i); test("foo42", s + l); test("foo42.0", s + fl); test("foo42.0", s + d); test("foofoo", s + s); test("foonull", s + sNull); test("foobar", s + o); test("foonull", s + oNull); test("foobar", s + cs); { StringBuilder sb = new StringBuilder(); sb.append("foo"); sb.append(myArr.toString()); test(sb.toString(), s + myArr); } { StringBuilder sb = new StringBuilder(); sb.append("foo"); sb.append(s_myArr.toString()); test(sb.toString(), s + s_myArr); } { StringBuilder sb = new StringBuilder(); sb.append("foo[C@"); sb.append(Integer.toHexString(System.identityHashCode(chars))); test(sb.toString(), s + chars); } test("fooa", s + ImplicitStringConcat.sb); test("foonull", s + null); test("fooMyClass", s + myCl); test("foonull", s + myClNull); test("fooMyClass", s + myCl2); s = "foo"; s += b; test("footrue", s); s = "foo"; s += by; test("foo42", s); s = "foo"; s += sh; test("foo42", s); s = "foo"; s += ch; test("fooa", s); s = "foo"; s += i; test("foo42", s); s = "foo"; s += l; test("foo42", s); s = "foo"; s += fl; test("foo42.0", s); s = "foo"; s += d; test("foo42.0", s); s = "foo"; s += s; test("foofoo", s); s = "foo"; s += sNull; test("foonull", s); s = "foo"; s += o; test("foobar", s); s = "foo"; s += oNull; test("foonull", s); s = "foo"; s += cs; test("foobar", s); { StringBuilder sb = new StringBuilder(); sb.append("foo[C@"); sb.append(Integer.toHexString(System.identityHashCode(chars))); s = "foo"; s += chars; test(sb.toString(), s); } s = "foo"; s += ImplicitStringConcat.sb; test("fooa", s); s = "foo"; s += null; test("foonull", s); s = "foo"; s += myCl; test("fooMyClass", s); s = "foo"; s += myCl2; test("fooMyClass", s); } public static void test(String expected, String actual) { // Fingers crossed: String concat should work. 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()); } } static class MyClass { public String toString() { return "MyClass"; } } static class MyClassNull { public String toString() { return null; } } }