add more testcases for date parsing

tests/test-parse-date

@@ -1,14 +1,16
 #!/bin/sh
 
 hg init
 echo "test-parse-date" > a
 hg add a
 hg ci -d "2006-02-01 13:00:30" -m "rev 0"
 echo "hi!" >> a
 hg ci -d "2006-02-01 13:00:30 -0500" -m "rev 1"
 hg tag -d "2006-04-15 13:30" "Hi"
 hg backout --merge -d "2006-04-15 13:30 +0200" -m "rev 3" 1
 hg ci -d "1150000000 14400" -m "rev 4 (merge)"
 echo "fail" >> a
 hg ci -d "should fail" -m "fail"
+hg ci -d "100000000000000000 1400" -m "fail"
+hg ci -d "100000 1400000" -m "fail"
 hg log --template '{date|date}\n'

tests/test-parse-date.out

@@ -1,13 +1,19
 reverting a
 changeset 3:107ce1ee2b43 backs out changeset 1:25a1420a55f8
 merging with changeset 2:99a1acecff55
 1 files updated, 0 files merged, 0 files removed, 0 files unresolved
 (branch merge, don't forget to commit)
 abort: invalid date: 'should fail'
 transaction abort!
 rollback completed
+abort: date exceeds 32 bits: 100000000000000000
+transaction abort!
+rollback completed
+abort: impossible time zone offset: 1400000
+transaction abort!
+rollback completed
 Sun Jun 11 00:26:40 2006 -0400
 Sat Apr 15 13:30:00 2006 +0200
 Sat Apr 15 13:30:00 2006 +0000
 Wed Feb 01 13:00:30 2006 -0500
 Wed Feb 01 13:00:30 2006 +0000