--- /dev/null
+#!/bin/bash
+
+# this just takes php's date() function as a reference to check if week of year
+# is calculated correctly in the range from 1970 .. 2038 by brute force...
+
+SEQ="seq"
+SYSTEM=`uname`
+if [ "$SYSTEM" = "Darwin" ]; then
+ SEQ="jot"
+fi
+
+for YEAR in {1970..2038}; do
+ for MONTH in {1..12}; do
+ DAYS=$(cal $MONTH $YEAR | egrep "28|29|30|31" |tail -1 |awk '{print $NF}')
+ for DAY in $( $SEQ $DAYS ); do
+ DATE=$YEAR-$MONTH-$DAY
+ echo -n $DATE ...
+ NODEVAL=$(node test_weekofyear.js $DATE)
+ PHPVAL=$(php -r "echo intval(date('W', strtotime('$DATE')));")
+ if [ "$NODEVAL" -ne "$PHPVAL" ]; then
+ echo "MISMATCH: node: $NODEVAL vs php: $PHPVAL for date $DATE"
+ else
+ echo " OK"
+ fi
+ done
+ done
+done