Add pactest for overflowing date (year 2038 problem)

This will work fine on x86_64 (or any platform that has a 64 bit long),
but currently fails on i686. This test also stresses the recent changes
to accommodate package size values greater than a 32 bit UINT_MAX.

Signed-off-by: Dan McGee <dan@archlinux.org>

test/pacman/tests/query002.py

@@ -1,4 +1,4 @@
-self.description = "Query info on a package"
+self.description = "Query info on a package (old date)"
 
 p = pmpkg("foobar")
 p.files = ["bin/foobar"]

test/pacman/tests/query005.py

@@ -1,4 +1,4 @@
-self.description = "Query info on a package"
+self.description = "Query info on a package (new date)"
 
 p = pmpkg("foobar")
 p.files = ["bin/foobar"]

test/pacman/tests/query006.py

@@ -0,0 +1,27 @@
+self.description = "Query info on a package (overflow long values)"
+
+p = pmpkg("overflow")
+p.desc = "Overflow size and date values if possible"
+p.url = "http://www.archlinux.org"
+p.license = "GPL2"
+p.arch = "i686"
+p.packager = "Arch Linux"
+# size is greater than 4294967295, aka UINT_MAX
+p.size = "10000000000"
+# build date is greater than 2147483647, aka INT_MAX
+p.builddate = "3000000000"
+# install date is greater than UINT_MAX
+p.installdate = "10000000000"
+
+self.addpkg2db("local", p)
+
+self.args = "-Qi %s" % p.name
+
+self.addrule("PACMAN_RETCODE=0")
+self.addrule("PACMAN_OUTPUT=^Name.*%s" % p.name)
+self.addrule("PACMAN_OUTPUT=^Description.*%s" % p.desc)
+self.addrule("PACMAN_OUTPUT=^Installed Size.*9765625.00 KiB")
+self.addrule("PACMAN_OUTPUT=^Build Date.* 2065")
+self.addrule("PACMAN_OUTPUT=^Install Date.* 2286")
+
+self.expectfailure = True