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1// -*- mode: cpp; mode: fold -*-
2// Description /*{{{*/
3/* ######################################################################
4
5 Version Test - Simple program to run through a file and comare versions.
6
7 Each version is compared and the result is checked against an expected
8 result in the file. The format of the file is
9 a b Res
10 Where Res is -1, 1, 0. dpkg -D=1 --compare-versions a "<" b can be
11 used to determine what Res should be. # at the start of the line
12 is a comment and blank lines are skipped
13
14 The runner will also call dpkg --compare-versions to check if APT and
15 dpkg have (still) the same idea.
16
17 ##################################################################### */
18 /*}}}*/
19#include <config.h>
20
21#include <apt-pkg/error.h>
22#include <apt-pkg/debversion.h>
23#include <apt-pkg/fileutl.h>
24
25#include <fstream>
26#include <string>
27#include <stdlib.h>
28#include <unistd.h>
29#include <sys/wait.h>
30
31#include <gtest/gtest.h>
32
33using namespace std;
34
35static bool callDPKG(const char *val, const char *ref, const char &op) {
36 pid_t Process = ExecFork();
37 if (Process == 0)
38 {
39 const char * args[6];
40 args[0] = "/usr/bin/dpkg";
41 args[1] = "--compare-versions";
42 args[2] = val;
43 args[3] = (op == 1) ? ">>" : ( (op == 0) ? "=" : "<<");
44 args[4] = ref;
45 args[5] = 0;
46 execv(args[0], (char**) args);
47 exit(1);
48 }
49 int Ret;
50 waitpid(Process, &Ret, 0);
51 return WIFEXITED(Ret) == true && WEXITSTATUS(Ret) == 0;
52}
53
54
55#define EXPECT_VERSION_PART(A, compare, B) \
56{ \
57 int Res = debVS.CmpVersion(A, B); \
58 Res = (Res < 0) ? -1 : ( (Res > 0) ? 1 : Res); \
59 EXPECT_EQ(compare, Res) << "APT: A: »" << A << "« B: »" << B << "«"; \
60 EXPECT_PRED3(callDPKG, A, B, compare); \
61}
62#define EXPECT_VERSION(A, compare, B) \
63 EXPECT_VERSION_PART(A, compare, B); \
64 EXPECT_VERSION_PART(B, compare * -1, A)
65
66// History-Remark: The versions used to be specified in a versions.lst file
67
68enum CompareVersionType { LESS = -1, GREATER = 1, EQUAL = 0 };
69
70TEST(CompareVersionTest,Basic)
71{
72 EXPECT_VERSION("7.6p2-4", GREATER, "7.6-0");
73 EXPECT_VERSION("1.0.3-3", GREATER, "1.0-1");
74 EXPECT_VERSION("1.3", GREATER, "1.2.2-2");
75 EXPECT_VERSION("1.3", GREATER, "1.2.2");
76
77 /* disabled as dpkg doesn't like them… (versions have to start with a number)
78 EXPECT_VERSION("-", LESS, ".");
79 EXPECT_VERSION("p", LESS, "-");
80 EXPECT_VERSION("a", LESS, "-");
81 EXPECT_VERSION("z", LESS, "-");
82 EXPECT_VERSION("a", LESS, ".");
83 EXPECT_VERSION("z", LESS, ".");
84 // */
85
86 /* disabled as dpkg doesn't like them… (versions have to start with a number)
87 EXPECT_VERSION("III-alpha9.8", LESS, "III-alpha9.8-1.5");
88 // */
89
90 // Test some properties of text strings
91 EXPECT_VERSION("0-pre", EQUAL, "0-pre");
92 EXPECT_VERSION("0-pre", LESS, "0-pree");
93
94 EXPECT_VERSION("1.1.6r2-2", GREATER, "1.1.6r-1");
95 EXPECT_VERSION("2.6b2-1", GREATER, "2.6b-2");
96
97 EXPECT_VERSION("98.1p5-1", LESS, "98.1-pre2-b6-2");
98 EXPECT_VERSION("0.4a6-2", GREATER, "0.4-1");
99
100 EXPECT_VERSION("1:3.0.5-2", LESS, "1:3.0.5.1");
101}
102TEST(CompareVersionTest,Epochs)
103{
104 EXPECT_VERSION("1:0.4", GREATER, "10.3");
105 EXPECT_VERSION("1:1.25-4", LESS, "1:1.25-8");
106 EXPECT_VERSION("0:1.18.36", EQUAL, "1.18.36");
107
108 EXPECT_VERSION("1.18.36", GREATER, "1.18.35");
109 EXPECT_VERSION("0:1.18.36", GREATER, "1.18.35");
110}
111TEST(CompareVersionTest,Strangeness)
112{
113 // Funky, but allowed, characters in upstream version
114 EXPECT_VERSION("9:1.18.36:5.4-20", LESS, "10:0.5.1-22");
115 EXPECT_VERSION("9:1.18.36:5.4-20", LESS, "9:1.18.36:5.5-1");
116 EXPECT_VERSION("9:1.18.36:5.4-20", LESS, " 9:1.18.37:4.3-22");
117 EXPECT_VERSION("1.18.36-0.17.35-18", GREATER, "1.18.36-19");
118
119 // Junk
120 EXPECT_VERSION("1:1.2.13-3", LESS, "1:1.2.13-3.1");
121 EXPECT_VERSION("2.0.7pre1-4", LESS, "2.0.7r-1");
122
123 // if a version includes a dash, it should be the debrev dash - policy says so…
124 EXPECT_VERSION("0:0-0-0", GREATER, "0-0");
125
126 // do we like strange versions? Yes we like strange versions…
127 EXPECT_VERSION("0", EQUAL, "0");
128 EXPECT_VERSION("0", EQUAL, "00");
129}
130TEST(CompareVersionTest,DebianBug)
131{
132 // #205960
133 EXPECT_VERSION("3.0~rc1-1", LESS, "3.0-1");
134 // #573592 - debian policy 5.6.12
135 EXPECT_VERSION("1.0", EQUAL, "1.0-0");
136 EXPECT_VERSION("0.2", LESS, "1.0-0");
137 EXPECT_VERSION("1.0", LESS, "1.0-0+b1");
138 EXPECT_VERSION("1.0", GREATER, "1.0-0~");
139}
140TEST(CompareVersionTest,CuptTests)
141{
142 // "steal" the testcases from (old perl) cupt
143 EXPECT_VERSION("1.2.3", EQUAL, "1.2.3"); // identical
144 EXPECT_VERSION("4.4.3-2", EQUAL, "4.4.3-2"); // identical
145 EXPECT_VERSION("1:2ab:5", EQUAL, "1:2ab:5"); // this is correct...
146 EXPECT_VERSION("7:1-a:b-5", EQUAL, "7:1-a:b-5"); // and this
147 EXPECT_VERSION("57:1.2.3abYZ+~-4-5", EQUAL, "57:1.2.3abYZ+~-4-5"); // and those too
148 EXPECT_VERSION("1.2.3", EQUAL, "0:1.2.3"); // zero epoch
149 EXPECT_VERSION("1.2.3", EQUAL, "1.2.3-0"); // zero revision
150 EXPECT_VERSION("009", EQUAL, "9"); // zeroes…
151 EXPECT_VERSION("009ab5", EQUAL, "9ab5"); // there as well
152 EXPECT_VERSION("1.2.3", LESS, "1.2.3-1"); // added non-zero revision
153 EXPECT_VERSION("1.2.3", LESS, "1.2.4"); // just bigger
154 EXPECT_VERSION("1.2.4", GREATER, "1.2.3"); // order doesn't matter
155 EXPECT_VERSION("1.2.24", GREATER, "1.2.3"); // bigger, eh?
156 EXPECT_VERSION("0.10.0", GREATER, "0.8.7"); // bigger, eh?
157 EXPECT_VERSION("3.2", GREATER, "2.3"); // major number rocks
158 EXPECT_VERSION("1.3.2a", GREATER, "1.3.2"); // letters rock
159 EXPECT_VERSION("0.5.0~git", LESS, "0.5.0~git2"); // numbers rock
160 EXPECT_VERSION("2a", LESS, "21"); // but not in all places
161 EXPECT_VERSION("1.3.2a", LESS, "1.3.2b"); // but there is another letter
162 EXPECT_VERSION("1:1.2.3", GREATER, "1.2.4"); // epoch rocks
163 EXPECT_VERSION("1:1.2.3", LESS, "1:1.2.4"); // bigger anyway
164 EXPECT_VERSION("1.2a+~bCd3", LESS, "1.2a++"); // tilde doesn't rock
165 EXPECT_VERSION("1.2a+~bCd3", GREATER, "1.2a+~"); // but first is longer!
166 EXPECT_VERSION("5:2", GREATER, "304-2"); // epoch rocks
167 EXPECT_VERSION("5:2", LESS, "304:2"); // so big epoch?
168 EXPECT_VERSION("25:2", GREATER, "3:2"); // 25 > 3, obviously
169 EXPECT_VERSION("1:2:123", LESS, "1:12:3"); // 12 > 2
170 EXPECT_VERSION("1.2-5", LESS, "1.2-3-5"); // 1.2 < 1.2-3
171 EXPECT_VERSION("5.10.0", GREATER, "5.005"); // preceding zeroes don't matters
172 EXPECT_VERSION("3a9.8", LESS, "3.10.2"); // letters are before all letter symbols
173 EXPECT_VERSION("3a9.8", GREATER, "3~10"); // but after the tilde
174 EXPECT_VERSION("1.4+OOo3.0.0~", LESS, "1.4+OOo3.0.0-4"); // another tilde check
175 EXPECT_VERSION("2.4.7-1", LESS, "2.4.7-z"); // revision comparing
176 EXPECT_VERSION("1.002-1+b2", GREATER, "1.00"); // whatever...
177 /* disabled as dpkg doesn't like them… (versions with illegal char)
178 EXPECT_VERSION("2.2.4-47978_Debian_lenny", EQUAL, "2.2.4-47978_Debian_lenny"); // and underscore...
179 // */
180}