SafeFetchInErrorHandlingTest.java revision 11833:1cbffa2beba6 
1/*
2 * Copyright (c) 2015, 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
24import java.io.BufferedReader;
25import java.io.File;
26import java.io.FileInputStream;
27import java.io.InputStreamReader;
28import java.util.regex.Pattern;
29
30import jdk.test.lib.process.OutputAnalyzer;
31import jdk.test.lib.Platform;
32import jdk.test.lib.process.ProcessTools;
33
34/*
35 * @test
36 * @bug 8074552
37 * @summary SafeFetch32 and SafeFetchN do not work in error handling
38 * @modules java.base/jdk.internal.misc
39 * @library /test/lib
40 * @author Thomas Stuefe (SAP)
41 */
42
43public class SafeFetchInErrorHandlingTest {
44
45
46  public static void main(String[] args) throws Exception {
47
48    if (!Platform.isDebugBuild() || Platform.isZero()) {
49      return;
50    }
51
52    ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
53        "-XX:+UnlockDiagnosticVMOptions",
54        "-Xmx100M",
55        "-XX:ErrorHandlerTest=14",
56        "-XX:+TestSafeFetchInErrorHandler",
57        "-XX:-CreateCoredumpOnCrash",
58        "-version");
59
60    OutputAnalyzer output_detail = new OutputAnalyzer(pb.start());
61
62    // we should have crashed with a SIGSEGV
63    output_detail.shouldMatch("# A fatal error has been detected by the Java Runtime Environment:.*");
64    output_detail.shouldMatch("# +(?:SIGSEGV|EXCEPTION_ACCESS_VIOLATION).*");
65
66    // extract hs-err file
67    String hs_err_file = output_detail.firstMatch("# *(\\S*hs_err_pid\\d+\\.log)", 1);
68    if (hs_err_file == null) {
69      throw new RuntimeException("Did not find hs-err file in output.\n");
70    }
71
72    File f = new File(hs_err_file);
73    if (!f.exists()) {
74      throw new RuntimeException("hs-err file missing at "
75          + f.getAbsolutePath() + ".\n");
76    }
77
78    System.out.println("Found hs_err file. Scanning...");
79
80    FileInputStream fis = new FileInputStream(f);
81    BufferedReader br = new BufferedReader(new InputStreamReader(fis));
82    String line = null;
83
84    Pattern [] pattern = new Pattern[] {
85        Pattern.compile("Will test SafeFetch..."),
86        Pattern.compile("SafeFetch OK."),
87    };
88    int currentPattern = 0;
89
90    String lastLine = null;
91    while ((line = br.readLine()) != null) {
92      if (currentPattern < pattern.length) {
93        if (pattern[currentPattern].matcher(line).matches()) {
94          System.out.println("Found: " + line + ".");
95          currentPattern ++;
96        }
97      }
98      lastLine = line;
99    }
100    br.close();
101
102    if (currentPattern < pattern.length) {
103      throw new RuntimeException("hs-err file incomplete (first missing pattern: " +  currentPattern + ")");
104    }
105
106    if (!lastLine.equals("END.")) {
107      throw new RuntimeException("hs-err file incomplete (missing END marker.)");
108    } else {
109      System.out.println("End marker found.");
110    }
111
112    System.out.println("OK.");
113
114  }
115
116}
117
118