Mercurial > jdk8-mips64-public > langtools / file comparison
comparison: test/tools/javac/6627362/T6627362.java
test/tools/javac/6627362/T6627362.java
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- 2eb010b6cb22
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| 1 /* | |
| 2 * Copyright (c) 2007, 2009, 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 * @bug 6627362 | |
| 27 * @summary javac generates code that uses array.clone, | |
| 28 * which is not available on JavaCard | |
| 29 */ | |
| 30 | |
| 31 import java.io.*; | |
| 32 import java.lang.reflect.*; | |
| 33 import java.net.*; | |
| 34 import java.util.*; | |
| 35 | |
| 36 public class T6627362 { | |
| 37 static String testSrc = System.getProperty("test.src", "."); | |
| 38 | |
| 39 public static void main(String... args) throws Exception { | |
| 40 new T6627362().run(); | |
| 41 } | |
| 42 | |
| 43 public void run() throws Exception { | |
| 44 testStandard(); | |
| 45 testNoClone(); | |
| 46 if (errors > 0) | |
| 47 throw new Error(errors + " test cases failed"); | |
| 48 } | |
| 49 | |
| 50 void testStandard() throws Exception { | |
| 51 // compile and disassemble E.java, check for reference to Object.clone() | |
| 52 File x = new File(testSrc, "x"); | |
| 53 String[] jcArgs = { "-d", ".", | |
| 54 new File(x, "E.java").getPath() }; | |
| 55 compile(jcArgs); | |
| 56 | |
| 57 String[] jpArgs = { "-classpath", ".", "-c", "E" }; | |
| 58 | |
| 59 StringWriter sw = new StringWriter(); | |
| 60 javap(new PrintWriter(sw, true), jpArgs); | |
| 61 check(sw.toString(), "Method \"[LE;\".clone:()Ljava/lang/Object;"); | |
| 62 callValues(); | |
| 63 } | |
| 64 | |
| 65 void testNoClone() throws Exception { | |
| 66 // compile and disassemble E.java, using modified Object.java, | |
| 67 // check for reference to System.arraycopy | |
| 68 File x = new File(testSrc, "x"); | |
| 69 String[] jcArgs = { "-d", ".", | |
| 70 new File(x, "E.java").getPath(), | |
| 71 new File(x, "Object.java").getPath()}; | |
| 72 compile(jcArgs); | |
| 73 | |
| 74 String[] jpArgs = { "-classpath", ".", "-c", "E" }; | |
| 75 | |
| 76 StringWriter sw = new StringWriter(); | |
| 77 javap(new PrintWriter(sw, true), jpArgs); | |
| 78 check(sw.toString(), "// Method java/lang/System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V"); | |
| 79 callValues(); | |
| 80 } | |
| 81 | |
| 82 void compile(String... args) { | |
| 83 int rc = com.sun.tools.javac.Main.compile(args); | |
| 84 if (rc != 0) | |
| 85 throw new Error("javac failed: " + Arrays.asList(args) + ": " + rc); | |
| 86 } | |
| 87 | |
| 88 void javap(PrintWriter out, String... args) throws Exception { | |
| 89 int rc = com.sun.tools.javap.Main.run(args, out); | |
| 90 if (rc != 0) | |
| 91 throw new Error("javap failed: " + Arrays.asList(args) + ": " + rc); | |
| 92 } | |
| 93 | |
| 94 void check(String s, String require) { | |
| 95 System.out.println("Checking:\n" + s); | |
| 96 if (s.indexOf(require) == -1) { | |
| 97 System.err.println("Can't find " + require); | |
| 98 errors++; | |
| 99 } | |
| 100 } | |
| 101 | |
| 102 void callValues() { | |
| 103 try { | |
| 104 File dot = new File(System.getProperty("user.dir")); | |
| 105 ClassLoader cl = new URLClassLoader(new URL[] { dot.toURL() }); | |
| 106 Class<?> e_class = cl.loadClass("E"); | |
| 107 Method m = e_class.getMethod("values", new Class[] { }); | |
| 108 //System.err.println(m); | |
| 109 Object o = m.invoke(null, (Object[]) null); | |
| 110 List<Object> v = Arrays.asList((Object[]) o); | |
| 111 if (!v.toString().equals("[a, b, c]")) | |
| 112 throw new Error("unexpected result for E.values(): " + v); | |
| 113 } catch (Exception e) { | |
| 114 throw new Error(e); | |
| 115 } | |
| 116 } | |
| 117 | |
| 118 int errors; | |
| 119 } | |
| 120 |
