merged from http://bzr.debian.org/bzr/apt/apt/debian-experimental2

14 files changed, 388 insertions, 40 deletions

diff --git a/test/libapt/assert.h b/test/libapt/assert.h
index 92b662dfa..a07be4b57 100644
--- a/test/libapt/assert.h
+++ b/test/libapt/assert.h
@@ -26,6 +26,18 @@ void assertEquals(int const &expect, unsigned int const &get, unsigned long cons
 	assertEquals<unsigned int const&, unsigned int const&>(expect, get, line);
 }
 
+void assertEquals(unsigned long const &expect, int const &get, unsigned long const &line) {
+	if (get < 0)
+		OutputAssertEqual(expect, "==", get, line);
+	assertEquals<unsigned long const&, unsigned long const&>(expect, get, line);
+}
+
+void assertEquals(int const &expect, unsigned long const &get, unsigned long const &line) {
+	if (expect < 0)
+		OutputAssertEqual(expect, "==", get, line);
+	assertEquals<unsigned long const&, unsigned long const&>(expect, get, line);
+}
+
 
 #define equalsOr2(x,y,z) assertEqualsOr2(y, z, x, __LINE__)
 
@@ -53,3 +65,26 @@ void assertEqualsOr2(int const &expect1, int const &expect2, unsigned int const
 	assertEqualsOr2<unsigned int const&, unsigned int const&>(expect1, expect2, get, line);
 }
 
+
+#define equalsOr3(w,x,y,z) assertEqualsOr3(x, y, z, w, __LINE__)
+
+template < typename X, typename Y >
+void OutputAssertEqualOr3(X expect1, X expect2, X expect3, char const* compare, Y get, unsigned long const &line) {
+	std::cerr << "Test FAILED: »" << expect1 << "« or »" << expect2 << "« or »" << expect3 << "« " << compare << " »" << get << "« at line " << line << std::endl;
+}
+
+template < typename X, typename Y >
+void assertEqualsOr3(X expect1, X expect2, X expect3, Y get, unsigned long const &line) {
+	if (expect1 == get || expect2 == get || expect3 == get)
+		return;
+	OutputAssertEqualOr3(expect1, expect2, expect3, "==", get, line);
+}
+
+
+// simple helper to quickly output a vectors
+template < typename X >
+void dumpVector(X vec) {
+	for (typename X::const_iterator v = vec.begin();
+	     v != vec.end(); ++v)
+		std::cout << *v << std::endl;
+}
diff --git a/test/libapt/compareversion_test.cc b/test/libapt/compareversion_test.cc
index b6213e84c..fdb1d5674 100644
--- a/test/libapt/compareversion_test.cc
+++ b/test/libapt/compareversion_test.cc
@@ -63,6 +63,9 @@ void assertVersion(int const &CurLine, string const &A, string const &B, int con
 
 bool RunTest(const char *File)
 {
+   if (FileExists(File) == false)
+      return _error->Error("Versiontestfile %s doesn't exist!", File);
+
    ifstream F(File,ios::in);
    if (!F != 0)
       return false;
@@ -112,8 +115,8 @@ bool RunTest(const char *File)
 
 int main(int argc, char *argv[])
 {
-   if (argc <= 1)
-      RunTest("../versions.lst");
+   if (argc != 2)
+      return 1;
    else
       RunTest(argv[1]);
 
diff --git a/test/libapt/configuration_test.cc b/test/libapt/configuration_test.cc
new file mode 100644
index 000000000..5b23d17fb
--- /dev/null
+++ b/test/libapt/configuration_test.cc
@@ -0,0 +1,78 @@
+#include <apt-pkg/configuration.h>
+
+#include <string>
+#include <vector>
+
+#include "assert.h"
+
+int main(int argc,const char *argv[]) {
+	Configuration Cnf;
+	std::vector<std::string> fds;
+
+	Cnf.Set("APT::Keep-Fds::",28);
+	Cnf.Set("APT::Keep-Fds::",17);
+	Cnf.Set("APT::Keep-Fds::2",47);
+	Cnf.Set("APT::Keep-Fds::","broken");
+	fds = Cnf.FindVector("APT::Keep-Fds");
+	equals(fds[0], "28");
+	equals(fds[1], "17");
+	equals(fds[2], "47");
+	equals(fds[3], "broken");
+	equals(fds.size(), 4);
+	equals(Cnf.Exists("APT::Keep-Fds::2"), true);
+	equals(Cnf.Find("APT::Keep-Fds::2"), "47");
+	equals(Cnf.FindI("APT::Keep-Fds::2"), 47);
+	equals(Cnf.Exists("APT::Keep-Fds::3"), false);
+	equals(Cnf.Find("APT::Keep-Fds::3"), "");
+	equals(Cnf.FindI("APT::Keep-Fds::3", 56), 56);
+	equals(Cnf.Find("APT::Keep-Fds::3", "not-set"), "not-set");
+
+	Cnf.Clear("APT::Keep-Fds::2");
+	fds = Cnf.FindVector("APT::Keep-Fds");
+	equals(fds[0], "28");
+	equals(fds[1], "17");
+	equals(fds[2], "");
+	equals(fds[3], "broken");
+	equals(fds.size(), 4);
+	equals(Cnf.Exists("APT::Keep-Fds::2"), true);
+
+	Cnf.Clear("APT::Keep-Fds",28);
+	fds = Cnf.FindVector("APT::Keep-Fds");
+	equals(fds[0], "17");
+	equals(fds[1], "");
+	equals(fds[2], "broken");
+	equals(fds.size(), 3);
+
+	Cnf.Clear("APT::Keep-Fds","");
+	equals(Cnf.Exists("APT::Keep-Fds::2"), false);
+
+	Cnf.Clear("APT::Keep-Fds",17);
+	Cnf.Clear("APT::Keep-Fds","broken");
+	fds = Cnf.FindVector("APT::Keep-Fds");
+	equals(fds.empty(), true);
+
+	Cnf.Set("APT::Keep-Fds::",21);
+	Cnf.Set("APT::Keep-Fds::",42);
+	fds = Cnf.FindVector("APT::Keep-Fds");
+	equals(fds[0], "21");
+	equals(fds[1], "42");
+	equals(fds.size(), 2);
+
+	Cnf.Clear("APT::Keep-Fds");
+	fds = Cnf.FindVector("APT::Keep-Fds");
+	equals(fds.empty(), true);
+
+	Cnf.CndSet("APT::Version", 42);
+	Cnf.CndSet("APT::Version", "66");
+	equals(Cnf.Find("APT::Version"), "42");
+	equals(Cnf.FindI("APT::Version"), 42);
+	equals(Cnf.Find("APT::Version", "33"), "42");
+	equals(Cnf.FindI("APT::Version", 33), 42);
+	equals(Cnf.Find("APT2::Version", "33"), "33");
+	equals(Cnf.FindI("APT2::Version", 33), 33);
+
+	//FIXME: Test for configuration file parsing;
+	// currently only integration/ tests test them implicitly
+
+	return 0;
+}
diff --git a/test/libapt/getarchitectures_test.cc b/test/libapt/getarchitectures_test.cc
index e3ca7bbc2..807469263 100644
--- a/test/libapt/getarchitectures_test.cc
+++ b/test/libapt/getarchitectures_test.cc
@@ -7,13 +7,6 @@
 
 #include <iostream>
 
-// simple helper to quickly output a vector of strings
-void dumpVector(std::vector<std::string> vec) {
-	for (std::vector<std::string>::const_iterator v = vec.begin();
-	     v != vec.end(); v++)
-		std::cout << *v << std::endl;
-}
-
 int main(int argc,char *argv[])
 {
 	std::vector<std::string> vec;
diff --git a/test/libapt/getlanguages_test.cc b/test/libapt/getlanguages_test.cc
index 3d63e0e74..a1c801ea2 100644
--- a/test/libapt/getlanguages_test.cc
+++ b/test/libapt/getlanguages_test.cc
@@ -7,13 +7,6 @@
 
 #include <iostream>
 
-// simple helper to quickly output a vector of strings
-void dumpVector(std::vector<std::string> vec) {
-	for (std::vector<std::string>::const_iterator v = vec.begin();
-	     v != vec.end(); v++)
-		std::cout << *v << std::endl;
-}
-
 int main(int argc,char *argv[])
 {
 	if (argc != 2) {
@@ -133,13 +126,19 @@ int main(int argc,char *argv[])
 
 	_config->Set("Dir::State::lists", argv[1]);
 	vec = APT::Configuration::getLanguages(true, false, env);
-	equals(vec.size(), 6);
+	equals(vec.size(), 7);
 	equals(vec[0], "de_DE");
 	equals(vec[1], "de");
 	equals(vec[2], "en");
 	equals(vec[3], "none");
-	equalsOr2(vec[4], "pt", "tr");
-	equalsOr2(vec[5], "tr", "pt");
+	equalsOr3(vec[4], "pt", "tr", "ast_DE");
+	equalsOr3(vec[5], "tr", "pt", "ast_DE");
+	equalsOr3(vec[6], "tr", "pt", "ast_DE");
+
+	_config->Set("Acquire::Languages", "none");
+	vec = APT::Configuration::getLanguages(true, false, env);
+	equals(vec.size(), 0);
+	_config->Set("Acquire::Languages", "");
 
 	_config->Set("Dir::State::lists", "/non-existing-dir");
 	_config->Set("Acquire::Languages::1", "none");
diff --git a/test/libapt/getlistoffilesindir_test.cc b/test/libapt/getlistoffilesindir_test.cc
index ed8d2dad6..b2c95e840 100644
--- a/test/libapt/getlistoffilesindir_test.cc
+++ b/test/libapt/getlistoffilesindir_test.cc
@@ -7,14 +7,7 @@
 #include <stdio.h>
 #include <iostream>
 
-// simple helper to quickly output a vector of strings
-void dumpVector(std::vector<std::string> vec) {
-	for (std::vector<std::string>::const_iterator v = vec.begin();
-	     v != vec.end(); v++)
-		std::cout << *v << std::endl;
-}
-
-#define P(x)	string(argv[1]).append("/").append(x)
+#define P(x)	std::string(argv[1]).append("/").append(x)
 
 int main(int argc,char *argv[])
 {
diff --git a/test/libapt/globalerror_test.cc b/test/libapt/globalerror_test.cc
index 7d933f5a8..5d27414f9 100644
--- a/test/libapt/globalerror_test.cc
+++ b/test/libapt/globalerror_test.cc
@@ -101,7 +101,7 @@ int main(int argc,char *argv[])
 	longText.clear();
 	for (size_t i = 0; i < 50; ++i)
 		longText.append("РезийбёбAZ");
-	equals(_error->Warning(longText.c_str()), false);
+	equals(_error->Warning("%s", longText.c_str()), false);
 	equals(_error->PopMessage(text), false);
 	equals(text, longText);
 
diff --git a/test/libapt/hashsums_test.cc b/test/libapt/hashsums_test.cc
index 2cb71cc38..396e4cf6b 100644
--- a/test/libapt/hashsums_test.cc
+++ b/test/libapt/hashsums_test.cc
@@ -146,7 +146,7 @@ int main(int argc, char** argv)
    equals(sha2.VerifyFile(argv[1]), true);
    }
    {
-   HashString sha2("SHA256:"+string(argv[4]));
+   HashString sha2("SHA256:" + std::string(argv[4]));
    equals(sha2.VerifyFile(argv[1]), true);
    }
 
diff --git a/test/libapt/makefile b/test/libapt/makefile
index a8acabd8e..d3dddaeed 100644
--- a/test/libapt/makefile
+++ b/test/libapt/makefile
@@ -6,6 +6,10 @@ BASENAME=_libapt_test
 # Bring in the default rules
 include ../../buildlib/defaults.mak
 
+.PHONY: test
+test:
+	./run-tests
+
 # Program for testing getLanguageCode
 PROGRAM = getLanguages${BASENAME}
 SLIBS = -lapt-pkg
@@ -58,3 +62,15 @@ PROGRAM = StrUtil${BASENAME}
 SLIBS = -lapt-pkg
 SOURCE = strutil_test.cc
 include $(PROGRAM_H)
+
+# test the URI parsing stuff
+PROGRAM = URI${BASENAME}
+SLIBS = -lapt-pkg
+SOURCE = uri_test.cc
+include $(PROGRAM_H)
+
+# test the Configuration class
+PROGRAM = Configuration${BASENAME}
+SLIBS = -lapt-pkg
+SOURCE = configuration_test.cc
+include $(PROGRAM_H)
diff --git a/test/libapt/parsedepends_test.cc b/test/libapt/parsedepends_test.cc
index 7b496878d..b5d92d9d2 100644
--- a/test/libapt/parsedepends_test.cc
+++ b/test/libapt/parsedepends_test.cc
@@ -4,8 +4,8 @@
 #include "assert.h"
 
 int main(int argc,char *argv[]) {
-	string Package;
-	string Version;
+	std::string Package;
+	std::string Version;
 	unsigned int Op = 5;
 	unsigned int Null = 0;
 	bool StripMultiArch = true;
diff --git a/test/libapt/run-tests b/test/libapt/run-tests
index 0eea6d4f8..ada2dc38b 100755
--- a/test/libapt/run-tests
+++ b/test/libapt/run-tests
@@ -3,19 +3,32 @@ set -e
 
 DIR=$(readlink -f $(dirname $0))
 echo "Compiling the tests …"
-test -d "$DIR/../../build/obj/test/libapt/" || mkdir -p "$DIR/../../build/obj/test/libapt/"
 (cd $DIR && make)
 echo "Running all testcases …"
 LDPATH="$DIR/../../build/bin"
 EXT="_libapt_test"
+
+# detect if output is on a terminal (colorful) or better not
+if expr match "$(readlink -f /proc/$$/fd/1)" '/dev/pts/[0-9]\+' > /dev/null; then
+	COLHIGH='\033[1;35m'
+	COLRESET='\033[0m'
+	TESTOKAY='\033[1;32mOKAY\033[0m'
+	TESTFAIL='\033[1;31mFAILED\033[0m'
+else
+	COLHIGH=''
+	COLRESET=''
+	TESTOKAY='OK'
+	TESTFAIL='###FAILED###'
+fi
+
 for testapp in $(ls ${LDPATH}/*$EXT)
 do
 	name=$(basename ${testapp})
+	NAME="${COLHIGH}${name}${COLRESET}"
 	tmppath=""
 
 	if [ $name = "GetListOfFilesInDir${EXT}" ]; then
 		# TODO: very-low: move env creation to the actual test-app
-		echo "Prepare Testarea for \033[1;35m$name\033[0m ..."
 		tmppath=$(mktemp -d)
 		touch "${tmppath}/anormalfile" \
 			"${tmppath}/01yet-anothernormalfile" \
@@ -47,12 +60,12 @@ do
 		ln -s "${tmppath}/anormalfile" "${tmppath}/linkedfile.list"
 		ln -s "${tmppath}/non-existing-file" "${tmppath}/brokenlink.list"
 	elif [ $name = "getLanguages${EXT}" ]; then
-		echo "Prepare Testarea for \033[1;35m$name\033[0m ..."
 		tmppath=$(mktemp -d)
 		touch "${tmppath}/ftp.de.debian.org_debian_dists_sid_main_i18n_Translation-tr" \
 			"${tmppath}/ftp.de.debian.org_debian_dists_sid_main_i18n_Translation-pt" \
 			"${tmppath}/ftp.de.debian.org_debian_dists_sid_main_i18n_Translation-se~" \
-			"${tmppath}/ftp.de.debian.org_debian_dists_sid_main_i18n_Translation-st.bak"
+			"${tmppath}/ftp.de.debian.org_debian_dists_sid_main_i18n_Translation-st.bak" \
+			"${tmppath}/ftp.de.debian.org_debian_dists_sid_main_i18n_Translation-ast_DE"
 	elif [ $name = "HashSums${EXT}" ]; then
 		TMP="$(mktemp)"
 		dmesg > $TMP
@@ -60,14 +73,14 @@ do
 		LD_LIBRARY_PATH=${LDPATH} ${testapp} $TMP $(md5sum $TMP | cut -d' ' -f 1) $(sha1sum $TMP | cut -d' ' -f 1) $(sha256sum $TMP | cut -d' ' -f 1) $(sha512sum $TMP | cut -d' ' -f 1) && echo "\033[1;32mOKAY\033[0m" || echo "\033[1;31mFAILED\033[0m"
 		rm $TMP
 		continue
+	elif [ $name = "CompareVersion${EXT}" ]; then
+		tmppath="${DIR}/versions.lst"
 	fi
 
-	echo -n "Testing with \033[1;35m${name}\033[0m ... "
-	LD_LIBRARY_PATH=${LDPATH} ${testapp} ${tmppath} && echo "\033[1;32mOKAY\033[0m" || echo "\033[1;31mFAILED\033[0m"
+	echo -n "Testing with ${NAME} "
+	LD_LIBRARY_PATH=${LDPATH} ${testapp} ${tmppath} && echo "$TESTOKAY" || echo "$TESTFAIL"
 
 	if [ -n "$tmppath" -a -d "$tmppath" ]; then
-		echo "Cleanup Testarea after \033[1;35m$name\033[0m ..."
 		rm -rf "$tmppath"
 	fi
-
 done
diff --git a/test/libapt/strutil_test.cc b/test/libapt/strutil_test.cc
index af6eb2cc6..bfe0d7222 100644
--- a/test/libapt/strutil_test.cc
+++ b/test/libapt/strutil_test.cc
@@ -4,7 +4,7 @@
 
 int main(int argc,char *argv[])
 {
-   string input, output, expected;
+   std::string input, output, expected;
 
    // no input
    input = "foobar";
diff --git a/test/libapt/uri_test.cc b/test/libapt/uri_test.cc
new file mode 100644
index 000000000..99bb3067e
--- /dev/null
+++ b/test/libapt/uri_test.cc
@@ -0,0 +1,112 @@
+#include <apt-pkg/strutl.h>
+
+#include "assert.h"
+
+int main() {
+	// Basic stuff
+	{
+	URI U("http://www.debian.org:90/temp/test");
+	equals("http", U.Access);
+	equals("", U.User);
+	equals("", U.Password);
+	equals(90, U.Port);
+	equals("www.debian.org", U.Host);
+	equals("/temp/test", U.Path);
+	} {
+	URI U("http://jgg:foo@ualberta.ca/blah");
+	equals("http", U.Access);
+	equals("jgg", U.User);
+	equals("foo", U.Password);
+	equals(0, U.Port);
+	equals("ualberta.ca", U.Host);
+	equals("/blah", U.Path);
+	} {
+	URI U("file:/usr/bin/foo");
+	equals("file", U.Access);
+	equals("", U.User);
+	equals("", U.Password);
+	equals(0, U.Port);
+	equals("", U.Host);
+	equals("/usr/bin/foo", U.Path);
+	} {
+	URI U("cdrom:Moo Cow Rom:/debian");
+	equals("cdrom", U.Access);
+	equals("", U.User);
+	equals("", U.Password);
+	equals(0, U.Port);
+	equals("Moo Cow Rom", U.Host);
+	equals("/debian", U.Path);
+	} {
+	URI U("gzip:./bar/cow");
+	equals("gzip", U.Access);
+	equals("", U.User);
+	equals("", U.Password);
+	equals(0, U.Port);
+	equals(".", U.Host);
+	equals("/bar/cow", U.Path);
+	} {
+	URI U("ftp:ftp.fr.debian.org/debian/pool/main/x/xtel/xtel_3.2.1-15_i386.deb");
+	equals("ftp", U.Access);
+	equals("", U.User);
+	equals("", U.Password);
+	equals(0, U.Port);
+	equals("ftp.fr.debian.org", U.Host);
+	equals("/debian/pool/main/x/xtel/xtel_3.2.1-15_i386.deb", U.Path);
+	}
+
+	// RFC 2732 stuff
+	{
+	URI U("http://[1080::8:800:200C:417A]/foo");
+	equals("http", U.Access);
+	equals("", U.User);
+	equals("", U.Password);
+	equals(0, U.Port);
+	equals("1080::8:800:200C:417A", U.Host);
+	equals("/foo", U.Path);
+	} {
+	URI U("http://[::FFFF:129.144.52.38]:80/index.html");
+	equals("http", U.Access);
+	equals("", U.User);
+	equals("", U.Password);
+	equals(80, U.Port);
+	equals("::FFFF:129.144.52.38", U.Host);
+	equals("/index.html", U.Path);
+	} {
+	URI U("http://[::FFFF:129.144.52.38:]:80/index.html");
+	equals("http", U.Access);
+	equals("", U.User);
+	equals("", U.Password);
+	equals(80, U.Port);
+	equals("::FFFF:129.144.52.38:", U.Host);
+	equals("/index.html", U.Path);
+	} {
+	URI U("http://[::FFFF:129.144.52.38:]/index.html");
+	equals("http", U.Access);
+	equals("", U.User);
+	equals("", U.Password);
+	equals(0, U.Port);
+	equals("::FFFF:129.144.52.38:", U.Host);
+	equals("/index.html", U.Path);
+	}
+	/* My Evil Corruption of RFC 2732 to handle CDROM names! Fun for
+	   the whole family! */
+	{
+	URI U("cdrom:[The Debian 1.2 disk, 1/2 R1:6]/debian/");
+	equals("cdrom", U.Access);
+	equals("", U.User);
+	equals("", U.Password);
+	equals(0, U.Port);
+	equals("The Debian 1.2 disk, 1/2 R1:6", U.Host);
+	equals("/debian/", U.Path);
+	} {
+	URI U("cdrom:Foo Bar Cow/debian/");
+	equals("cdrom", U.Access);
+	equals("", U.User);
+	equals("", U.Password);
+	equals(0, U.Port);
+	equals("Foo Bar Cow", U.Host);
+	equals("/debian/", U.Path);
+	}
+
+	return 0;
+}
diff --git a/test/libapt/versions.lst b/test/libapt/versions.lst
new file mode 100644
index 000000000..8dd8ebdc9
--- /dev/null
+++ b/test/libapt/versions.lst
@@ -0,0 +1,106 @@
+# List of 
+#   ver1 ver2 ret 
+# Of versions worth testing
+#  1 means that ver1 > ver2
+# -1 means that ver1 < ver2
+#  0 means that ver1 = ver2
+7.6p2-4 7.6-0 1
+1.0.3-3 1.0-1 1
+1.3 1.2.2-2 1
+1.3 1.2.2 1
+
+# Important attributes
+# disabled as dpkg --compare-versions doesn't like them… (versions have to start with a number)
+#- . -1
+#p - -1
+#a - -1
+#z - -1
+#a . -1
+#z . -1
+
+# disabled as dpkg --compare-versions doesn't like them… (versions have to start with a number)
+#III-alpha9.8 III-alpha9.8-1.5 -1
+
+# Epochs
+1:0.4 10.3 1
+1:1.25-4 1:1.25-8 -1
+0:1.18.36 1.18.36 0
+
+# native version
+1.18.36 1.18.35 1
+0:1.18.36 1.18.35 1
+
+# Funky, but allowed, characters in upstream version
+9:1.18.36:5.4-20 10:0.5.1-22 -1
+9:1.18.36:5.4-20 9:1.18.36:5.5-1 -1
+9:1.18.36:5.4-20 9:1.18.37:4.3-22 -1
+1.18.36-0.17.35-18 1.18.36-19 1
+
+# Junk
+1:1.2.13-3 1:1.2.13-3.1 -1
+2.0.7pre1-4 2.0.7r-1 -1
+
+# Test some properties of text strings
+0-pre 0-pre 0
+0-pre 0-pree -1
+
+1.1.6r2-2 1.1.6r-1 1
+2.6b2-1 2.6b-2 1
+
+98.1p5-1 98.1-pre2-b6-2 -1
+0.4a6-2 0.4-1 1
+
+1:3.0.5-2 1:3.0.5.1 -1
+
+# #205960
+3.0~rc1-1 3.0-1 -1
+
+# #573592 - debian policy 5.6.12
+1.0 1.0-0 0
+0.2 1.0-0 -1
+1.0 1.0-0+b1 -1
+1.0 1.0-0~ 1
+
+# if a version includes a dash
+# it should be the debrev dash - policy says so…
+0:0-0-0 0-0 1
+
+# do we like strange versions? Yes we like strange versions…
+0 0 0
+0 00 0
+
+# "steal" the testcases from cupt
+1.2.3 1.2.3 0 # identical
+4.4.3-2 4.4.3-2 0 # identical
+1:2ab:5 1:2ab:5 0 # this is correct...
+7:1-a:b-5 7:1-a:b-5 0 # and this
+57:1.2.3abYZ+~-4-5 57:1.2.3abYZ+~-4-5 0 # and those too
+1.2.3 0:1.2.3 0 # zero epoch
+1.2.3 1.2.3-0 0 # zero revision
+009 9 0 # zeroes...
+009ab5 9ab5 0 # there as well
+1.2.3 1.2.3-1 -1 # added non-zero revision
+1.2.3 1.2.4 -1 # just bigger
+1.2.4 1.2.3 1 # order doesn't matter
+1.2.24 1.2.3 1 # bigger, eh?
+0.10.0 0.8.7 1 # bigger, eh?
+3.2 2.3 1 # major number rocks
+1.3.2a 1.3.2 1 # letters rock
+0.5.0~git 0.5.0~git2 -1 # numbers rock
+2a 21 -1 # but not in all places
+1.3.2a 1.3.2b -1 # but there is another letter
+1:1.2.3 1.2.4 1 # epoch rocks
+1:1.2.3 1:1.2.4 -1 # bigger anyway
+1.2a+~bCd3 1.2a++ -1 # tilde doesn't rock
+1.2a+~bCd3 1.2a+~ 1 # but first is longer!
+5:2 304-2 1 # epoch rocks
+5:2 304:2 -1 # so big epoch?
+25:2 3:2 1 # 25 > 3, obviously
+1:2:123 1:12:3 -1 # 12 > 2
+1.2-5 1.2-3-5 -1 # 1.2 < 1.2-3
+5.10.0 5.005 1 # preceding zeroes don't matters
+3a9.8 3.10.2 -1 # letters are before all letter symbols
+3a9.8 3~10 1 # but after the tilde
+1.4+OOo3.0.0~ 1.4+OOo3.0.0-4 -1 # another tilde check
+2.4.7-1 2.4.7-z -1 # revision comparing
+1.002-1+b2 1.00 1 # whatever...