File: getConstructors.java

package info (click to toggle)
mauve 20161030-1
  • links: PTS, VCS
  • area: main
  • in suites: buster, stretch
  • size: 44,628 kB
  • ctags: 35,425
  • sloc: java: 336,555; sh: 2,834; xml: 208; makefile: 72
file content (132 lines) | stat: -rw-r--r-- 6,879 bytes parent folder | download
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
// Test for method java.lang.String.getClass().getConstructors()

// Copyright (C) 2012, 2013, 2014, 2015 Pavel Tisnovsky <ptisnovs@redhat.com>

// This file is part of Mauve.

// Mauve is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2, or (at your option)
// any later version.

// Mauve is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.

// You should have received a copy of the GNU General Public License
// along with Mauve; see the file COPYING.  If not, write to
// the Free Software Foundation, Inc., 51 Franklin Street,
// Fifth Floor, Boston, MA 02110-1301 USA.

// Tags: JDK1.5

package gnu.testlet.java.lang.String.classInfo;

import gnu.testlet.TestHarness;
import gnu.testlet.Testlet;

import java.lang.String;
import java.util.Map;
import java.util.HashMap;



/**
 * Test for method java.lang.String.getClass().getConstructors()
 */
public class getConstructors implements Testlet
{

    /**
     * Runs the test using the specified harness.
     *
     * @param harness  the test harness (<code>null</code> not permitted).
     */
    public void test(TestHarness harness)
    {
        // map of constructors which should exists
        Map<String, String> testedConstructors = null;

        // map of constructors for (Open)JDK6
        Map<String, String> testedConstructors_jdk6 = new HashMap<String, String>();

        // map of constructors for (Open)JDK7
        Map<String, String> testedConstructors_jdk7 = new HashMap<String, String>();

        // map for constructors declared in (Open)JDK6
        testedConstructors_jdk6.put("public java.lang.String(byte[],int,int)", "java.lang.String");
        testedConstructors_jdk6.put("public java.lang.String(byte[],java.nio.charset.Charset)", "java.lang.String");
        testedConstructors_jdk6.put("public java.lang.String(byte[],java.lang.String) throws java.io.UnsupportedEncodingException", "java.lang.String");
        testedConstructors_jdk6.put("public java.lang.String(byte[],int,int,java.nio.charset.Charset)", "java.lang.String");
        testedConstructors_jdk6.put("public java.lang.String(byte[],int,int,java.lang.String) throws java.io.UnsupportedEncodingException", "java.lang.String");
        testedConstructors_jdk6.put("public java.lang.String(java.lang.StringBuilder)", "java.lang.String");
        testedConstructors_jdk6.put("public java.lang.String(java.lang.StringBuffer)", "java.lang.String");
        testedConstructors_jdk6.put("public java.lang.String(byte[])", "java.lang.String");
        testedConstructors_jdk6.put("public java.lang.String(int[],int,int)", "java.lang.String");
        testedConstructors_jdk6.put("public java.lang.String()", "java.lang.String");
        testedConstructors_jdk6.put("public java.lang.String(char[])", "java.lang.String");
        testedConstructors_jdk6.put("public java.lang.String(java.lang.String)", "java.lang.String");
        testedConstructors_jdk6.put("public java.lang.String(char[],int,int)", "java.lang.String");
        testedConstructors_jdk6.put("public java.lang.String(byte[],int)", "java.lang.String");
        testedConstructors_jdk6.put("public java.lang.String(byte[],int,int,int)", "java.lang.String");

        // map for constructors declared in (Open)JDK7
        testedConstructors_jdk7.put("public java.lang.String(byte[])", "java.lang.String");
        testedConstructors_jdk7.put("public java.lang.String(byte[],int,int)", "java.lang.String");
        testedConstructors_jdk7.put("public java.lang.String(byte[],java.nio.charset.Charset)", "java.lang.String");
        testedConstructors_jdk7.put("public java.lang.String(byte[],java.lang.String) throws java.io.UnsupportedEncodingException", "java.lang.String");
        testedConstructors_jdk7.put("public java.lang.String(byte[],int,int,java.nio.charset.Charset)", "java.lang.String");
        testedConstructors_jdk7.put("public java.lang.String(java.lang.StringBuilder)", "java.lang.String");
        testedConstructors_jdk7.put("public java.lang.String(java.lang.StringBuffer)", "java.lang.String");
        testedConstructors_jdk7.put("public java.lang.String(int[],int,int)", "java.lang.String");
        testedConstructors_jdk7.put("public java.lang.String(char[],int,int)", "java.lang.String");
        testedConstructors_jdk7.put("public java.lang.String(char[])", "java.lang.String");
        testedConstructors_jdk7.put("public java.lang.String(java.lang.String)", "java.lang.String");
        testedConstructors_jdk7.put("public java.lang.String()", "java.lang.String");
        testedConstructors_jdk7.put("public java.lang.String(byte[],int,int,java.lang.String) throws java.io.UnsupportedEncodingException", "java.lang.String");
        testedConstructors_jdk7.put("public java.lang.String(byte[],int)", "java.lang.String");
        testedConstructors_jdk7.put("public java.lang.String(byte[],int,int,int)", "java.lang.String");

        // create instance of a class String
        final Object o = new String();

        // get a runtime class of an object "o"
        final Class c = o.getClass();

        // get the right map containing constructor signatures
        testedConstructors = getJavaVersion() < 7 ? testedConstructors_jdk6 : testedConstructors_jdk7;

        // get all constructors for this class
        java.lang.reflect.Constructor[] constructors = c.getConstructors();

        // expected number of constructors
        final int expectedNumberOfConstructors = testedConstructors.size();

        // basic check for a number of constructors
        harness.check(constructors.length, expectedNumberOfConstructors);

        // check if all constructors exist
        for (java.lang.reflect.Constructor constructor : constructors) {
            // constructor name should consists of package name + class name
            String constructorName = constructor.getName();
            // modifiers + package + class name + parameter types
            String constructorString = constructor.toString().replaceAll(" native ", " ");
            harness.check(testedConstructors.containsKey(constructorString));
            harness.check(testedConstructors.get(constructorString), constructorName);
        }
    }

    /**
     * Returns version of Java. The input could have the following form: "1.7.0_06"
     * and we are interested only in "7" in this case.
     * 
     * @return Java version
     */
    protected int getJavaVersion() {
        String javaVersionStr = System.getProperty("java.version");
        String[] parts = javaVersionStr.split("\\.");
        return Integer.parseInt(parts[1]);
    }
}