Mon, 03 Oct 2016 11:21:14 -0700
Added tag jdk8u122-b02 for changeset 2baeb96fa198
aoqi@0 | 1 | /* |
aoqi@0 | 2 | * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. |
aoqi@0 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
aoqi@0 | 4 | * |
aoqi@0 | 5 | * This code is free software; you can redistribute it and/or modify it |
aoqi@0 | 6 | * under the terms of the GNU General Public License version 2 only, as |
aoqi@0 | 7 | * published by the Free Software Foundation. |
aoqi@0 | 8 | * |
aoqi@0 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
aoqi@0 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
aoqi@0 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
aoqi@0 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
aoqi@0 | 13 | * accompanied this code). |
aoqi@0 | 14 | * |
aoqi@0 | 15 | * You should have received a copy of the GNU General Public License version |
aoqi@0 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
aoqi@0 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
aoqi@0 | 18 | * |
aoqi@0 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
aoqi@0 | 20 | * or visit www.oracle.com if you need additional information or have any |
aoqi@0 | 21 | * questions. |
aoqi@0 | 22 | */ |
aoqi@0 | 23 | |
aoqi@0 | 24 | /* |
aoqi@0 | 25 | * @test |
aoqi@0 | 26 | * @bug 8033581 8033798 8033726 |
aoqi@0 | 27 | * @summary Check whitespace in generated output |
aoqi@0 | 28 | */ |
aoqi@0 | 29 | |
aoqi@0 | 30 | import java.io.*; |
aoqi@0 | 31 | import java.util.*; |
aoqi@0 | 32 | |
aoqi@0 | 33 | public class WhitespaceTest { |
aoqi@0 | 34 | public static void main(String... args) throws Exception { |
aoqi@0 | 35 | new WhitespaceTest().run(); |
aoqi@0 | 36 | } |
aoqi@0 | 37 | |
aoqi@0 | 38 | void run() throws Exception { |
aoqi@0 | 39 | test("-v", "java.lang.String"); |
aoqi@0 | 40 | test("-XDtab:1", "-v", "java.lang.String"); |
aoqi@0 | 41 | |
aoqi@0 | 42 | String testClasses = System.getProperty("test.classes"); |
aoqi@0 | 43 | for (int i = 10; i < 40; i++) |
aoqi@0 | 44 | test("-XDtab:" + i, "-v", "-classpath", testClasses, "WhitespaceTest$HelloWorld"); |
aoqi@0 | 45 | |
aoqi@0 | 46 | if (errors > 0) |
aoqi@0 | 47 | throw new Exception(errors + " errors found"); |
aoqi@0 | 48 | } |
aoqi@0 | 49 | |
aoqi@0 | 50 | void test(String... args) throws Exception { |
aoqi@0 | 51 | // need to avoid "//" appearing as a constant in the constant pool |
aoqi@0 | 52 | String slash = "/"; |
aoqi@0 | 53 | String doubleSlash = slash + slash; |
aoqi@0 | 54 | System.out.println("test: " + Arrays.asList(args)); |
aoqi@0 | 55 | String out = javap(args); |
aoqi@0 | 56 | for (String line: out.split("[\r\n]+")) { |
aoqi@0 | 57 | if (line.endsWith(" ")) |
aoqi@0 | 58 | error("line has trailing whitespace: " + line); |
aoqi@0 | 59 | int comment = line.indexOf(doubleSlash); |
aoqi@0 | 60 | if (comment > 0 && line.charAt(comment - 1) != ' ') |
aoqi@0 | 61 | error("no space before comment: " + line); |
aoqi@0 | 62 | if (line.matches(" +}")) |
aoqi@0 | 63 | error("bad indentation: " + line); |
aoqi@0 | 64 | } |
aoqi@0 | 65 | } |
aoqi@0 | 66 | |
aoqi@0 | 67 | String javap(String... args) throws Exception { |
aoqi@0 | 68 | StringWriter sw = new StringWriter(); |
aoqi@0 | 69 | PrintWriter out = new PrintWriter(sw); |
aoqi@0 | 70 | int rc = com.sun.tools.javap.Main.run(args, out); |
aoqi@0 | 71 | out.close(); |
aoqi@0 | 72 | System.out.println(sw.toString()); |
aoqi@0 | 73 | if (rc < 0) |
aoqi@0 | 74 | throw new Exception("javap exited, rc=" + rc); |
aoqi@0 | 75 | return sw.toString(); |
aoqi@0 | 76 | } |
aoqi@0 | 77 | |
aoqi@0 | 78 | void error(String msg) { |
aoqi@0 | 79 | System.out.println("Error: " + msg); |
aoqi@0 | 80 | errors++; |
aoqi@0 | 81 | } |
aoqi@0 | 82 | |
aoqi@0 | 83 | int errors; |
aoqi@0 | 84 | |
aoqi@0 | 85 | // small class to test repeatedly with different tab values |
aoqi@0 | 86 | static class HelloWorld { |
aoqi@0 | 87 | public static void main(String... args) { |
aoqi@0 | 88 | System.out.println("Hello World!"); |
aoqi@0 | 89 | } |
aoqi@0 | 90 | } |
aoqi@0 | 91 | } |