1/*
2 * Copyright (c) 2014, 2015, 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 8050106
27 * @summary JavaCompiler relies on inappropriate result from comparison
28 * @modules jdk.compiler/com.sun.tools.javac.code
29 *          jdk.compiler/com.sun.tools.javac.jvm
30 */
31
32import java.io.*;
33import java.util.*;
34import com.sun.tools.javac.code.Source;
35import com.sun.tools.javac.jvm.Target;
36
37public class SourceTargetTest {
38    public static void main(String... args) throws Exception {
39        SourceTargetTest t = new SourceTargetTest();
40        t.run();
41    }
42
43    public void run() throws Exception {
44        try (FileWriter out = new FileWriter("C.java")) {
45            out.write("class C { }");
46        }
47
48        for (Source s: Source.values()) {
49            test(s, null, "source", getKind(s, Source.MIN));
50        }
51
52        for (Target t: Target.values()) {
53            test(Source.values()[0], t, "target", getKind(t, Target.MIN));
54        }
55
56        if (errors > 0)
57            throw new Exception(errors + " errors occurred");
58    }
59
60    void test(Source s, Target t, String select, Kind kind) {
61        System.err.println("Test: source:" + s + ", target:" + t + " " + select + " " + kind);
62        List<String> args = new ArrayList<>();
63        args.add("-XDrawDiagnostics");
64        args.add("-source");
65        args.add(s.name);
66        if (t != null) {
67            args.add("-target");
68            args.add(t.name);
69        }
70        args.add("C.java");
71
72        StringWriter sw = new StringWriter();
73        PrintWriter pw = new PrintWriter(sw);
74        int rc = com.sun.tools.javac.Main.compile(args.toArray(new String[args.size()]), pw);
75        pw.close();
76        String out = sw.toString();
77        System.err.print(out);
78
79        switch (kind) {
80            case INVALID:
81                check(out, "removed." + select, true);
82                check(out, "obsolete." + select, false);
83                break;
84
85            case OBSOLETE:
86                check(out, "removed." + select, false);
87                check(out, "obsolete." + select, true);
88                break;
89
90            case VALID:
91                check(out, "removed." + select, false);
92                check(out, "obsolete." + select, false);
93                break;
94        }
95
96        System.err.println();
97    }
98
99    enum Kind { INVALID, OBSOLETE, VALID };
100
101    <T extends Comparable<T>> Kind getKind(T t1, T t2) {
102        if (t1.compareTo(t2) < 0)
103            return Kind.INVALID;
104        else if (t1 == t2)
105            return Kind.OBSOLETE;
106        else
107            return Kind.VALID;
108    }
109
110    void check(String out, String text, boolean expect) {
111        if (out.contains(text) == expect) {
112            if (expect)
113                System.err.println("expected string found: " + text);
114            else
115                System.err.println("string not found, as expected: " + text);
116        } else {
117            if (expect)
118                error("expected string not found: " + text);
119            else
120                error("unexpected string found: " + text);
121        }
122    }
123
124    void error(String msg) {
125        System.err.println("error: " + msg);
126        errors++;
127    }
128
129    int errors;
130}
131