1 /*
 2  * Copyright (c) 2015, 2021, 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).
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15  * You should have received a copy of the GNU General Public License version
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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
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24 
25 /*
26  * @test
27  * @summary Check most common errors in file format
28  * @requires vm.cds.write.archived.java.heap
29  * @requires vm.flagless
30  * @library /test/lib /test/hotspot/jtreg/runtime/cds/appcds
31  * @build HelloString
32  * @run driver InvalidFileFormat
33  */
34 
35 import java.io.File;
36 import jdk.test.lib.cds.CDSTestUtils;
37 import jdk.test.lib.process.OutputAnalyzer;
38 
39 // Checking most common error use cases
40 // This file is not an exhastive test of various shared data file corruption
41 // Note on usability intent: the shared data file is created and handled by
42 // the previledge person in the server environment.
43 public class InvalidFileFormat {
44     public static void main(String[] args) throws Exception {
45         SharedStringsUtils.run(args, InvalidFileFormat::test);
46     }
47 
48     public static void test(String[] args) throws Exception {
49         SharedStringsUtils.buildJar("HelloString");
50 
51         test("NonExistentFile.txt", "Unable to get hashtable dump file size");
52         test("InvalidHeader.txt", "wrong version of hashtable dump file");
53         test("InvalidVersion.txt", "wrong version of hashtable dump file");
54         test("CorruptDataLine.txt", "Unknown data type. Corrupted at line 2");
55         test("InvalidSymbol.txt", "Unexpected character. Corrupted at line 2");
56         test("InvalidSymbolFormat.txt", "Unrecognized format. Corrupted at line 9");
57         test("OverflowPrefix.txt", "Num overflow. Corrupted at line 4");
58         test("UnrecognizedPrefix.txt", "Unrecognized format. Corrupted at line 5");
59         test("TruncatedString.txt", "Truncated. Corrupted at line 3");
60         test("LengthOverflow.txt", "string length too large: 2147483647");
61     }
62 
63     private static void
64         test(String dataFileName, String expectedWarning) throws Exception {
65         System.out.println("Filename for testcase: " + dataFileName);
66 
67         OutputAnalyzer out = SharedStringsUtils.dumpWithoutChecks(TestCommon.list("HelloString"),
68                                  "invalidFormat" + File.separator + dataFileName);
69 
70         CDSTestUtils.checkMappingFailure(out);
71         out.shouldContain(expectedWarning).shouldHaveExitValue(1);
72     }
73 
74 }