| /* |
| * 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; |
| } |
| } |
| } |
