- test {SUBSTR basics} {
- set res {}
- r set foo "Hello World"
- lappend res [r substr foo 0 3]
- lappend res [r substr foo 0 -1]
- lappend res [r substr foo -4 -1]
- lappend res [r substr foo 5 3]
- lappend res [r substr foo 5 5000]
- lappend res [r substr foo -5000 10000]
- set _ $res
- } {Hell {Hello World} orld {} { World} {Hello World}}
-
- test {SUBSTR against integer encoded values} {
- r set foo 123
- r substr foo 0 -2
- } {12}
-
- test {SUBSTR fuzzing} {
- set err {}
- for {set i 0} {$i < 1000} {incr i} {
- set bin [randstring 0 1024 binary]
- set _start [set start [randomInt 1500]]
- set _end [set end [randomInt 1500]]
- if {$_start < 0} {set _start "end-[abs($_start)-1]"}
- if {$_end < 0} {set _end "end-[abs($_end)-1]"}
- set s1 [string range $bin $_start $_end]
- r set bin $bin
- set s2 [r substr bin $start $end]
- if {$s1 != $s2} {
- set err "String mismatch"
- break
- }
- }
- set _ $err
- } {}
-