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-rw-r--r--tests/for.test134
1 files changed, 128 insertions, 6 deletions
diff --git a/tests/for.test b/tests/for.test
index ff4dc0e..8936682 100644
--- a/tests/for.test
+++ b/tests/for.test
@@ -14,6 +14,12 @@ if {[lsearch [namespace children] ::tcltest] == -1} {
namespace import -force ::tcltest::*
}
+# Used for constraining memory leak tests
+testConstraint memory [llength [info commands memory]]
+if {[testConstraint memory]} {
+ proc meminfo {} {lindex [split [memory info] "\n"] 3 3}
+}
+
# Basic "for" operation.
test for-1.1 {TclCompileForCmd: missing initial command} {
@@ -345,7 +351,6 @@ proc formatMail {} {
64 { UNIX (Solaris 2.* and SunOS, other systems soon to follow). Easy to install} \
65 { binary packages are now for sale at the Sun Labs Tcl/Tk Shop. Check it out!} \
}
-
set result ""
set NL "
"
@@ -365,7 +370,6 @@ proc formatMail {} {
} else {
set break 1
}
-
set xmailer 0
set inheaders 1
set last [array size lines]
@@ -386,9 +390,7 @@ proc formatMail {} {
set limit 55
} else {
set limit 55
-
# Decide whether or not to break the body line
-
if {$plen > 0} {
if {[string first {> } $line] == 0} {
# This is quoted text from previous message, don't reformat
@@ -431,7 +433,7 @@ proc formatMail {} {
set climit [expr $limit-1]
set cutoff 50
set continuation 0
-
+
while {[string length $line] > $limit} {
for {set c [expr $limit-1]} {$c >= $cutoff} {incr c -1} {
set char [string index $line $c]
@@ -824,7 +826,127 @@ test for-6.18 {Tcl_ForObjCmd: for command result} {
1 {invoked "continue" outside of a loop} \
]
-
+test for-7.1 {Bug 3614226: ensure that break cleans up the stack} memory {
+ apply {{} {
+ # Can't use [memtest]; must be careful when we change stack frames
+ set end [meminfo]
+ for {set i 0} {$i < 5} {incr i} {
+ for {set x 0} {$x < 5} {incr x} {
+ list a b c [break] d e f
+ }
+ set tmp $end
+ set end [meminfo]
+ }
+ expr {$end - $tmp}
+ }}
+} 0
+test for-7.2 {Bug 3614226: ensure that continue cleans up the stack} memory {
+ apply {{} {
+ # Can't use [memtest]; must be careful when we change stack frames
+ set end [meminfo]
+ for {set i 0} {$i < 5} {incr i} {
+ for {set x 0} {$x < 5} {incr x} {
+ list a b c [continue] d e f
+ }
+ set tmp $end
+ set end [meminfo]
+ }
+ expr {$end - $tmp}
+ }}
+} 0
+test for-7.3 {Bug 3614226: ensure that break cleans up the expansion stack} memory {
+ apply {{} {
+ # Can't use [memtest]; must be careful when we change stack frames
+ set end [meminfo]
+ for {set i 0} {$i < 5} {incr i} {
+ for {set x 0} {[incr x]<50} {} {
+ puts {*}[puts a b c {*}[break] d e f]
+ }
+ set tmp $end
+ set end [meminfo]
+ }
+ expr {$end - $tmp}
+ }}
+} 0
+test for-7.4 {Bug 3614226: ensure that continue cleans up the expansion stack} memory {
+ apply {{} {
+ # Can't use [memtest]; must be careful when we change stack frames
+ set end [meminfo]
+ for {set i 0} {$i < 5} {incr i} {
+ for {set x 0} {[incr x]<50} {} {
+ puts {*}[puts a b c {*}[continue] d e f]
+ }
+ set tmp $end
+ set end [meminfo]
+ }
+ expr {$end - $tmp}
+ }}
+} 0
+test for-7.5 {Bug 3614226: ensure that break cleans up the combination of main and expansion stack} memory {
+ apply {{} {
+ set l [lrepeat 50 p q r]
+ # Can't use [memtest]; must be careful when we change stack frames
+ set end [meminfo]
+ for {set i 0} {$i < 5} {incr i} {
+ for {set x 0} {[incr x]<50} {} {
+ puts [puts {*}$l {*}[puts a b c {*}$l {*}[break] d e f]]
+ }
+ set tmp $end
+ set end [meminfo]
+ }
+ expr {$end - $tmp}
+ }}
+} 0
+test for-7.6 {Bug 3614226: ensure that continue cleans up the combination of main and expansion stack} memory {
+ apply {{} {
+ set l [lrepeat 50 p q r]
+ # Can't use [memtest]; must be careful when we change stack frames
+ set end [meminfo]
+ for {set i 0} {$i < 5} {incr i} {
+ for {set x 0} {[incr x]<50} {} {
+ puts [puts {*}$l {*}[puts a b c {*}$l {*}[continue] d e f]]
+ }
+ set tmp $end
+ set end [meminfo]
+ }
+ expr {$end - $tmp}
+ }}
+} 0
+test for-7.7 {Bug 3614226: ensure that break only cleans up the right amount} memory {
+ apply {{} {
+ set l [lrepeat 50 p q r]
+ # Can't use [memtest]; must be careful when we change stack frames
+ set end [meminfo]
+ for {set i 0} {$i < 5} {incr i} {
+ unset -nocomplain {*}[for {set x 0} {[incr x]<50} {} {
+ puts [puts {*}$l {*}[puts a b c {*}$l {*}[break] d e f]]
+ }]
+ set tmp $end
+ set end [meminfo]
+ }
+ expr {$end - $tmp}
+ }}
+} 0
+test for-7.8 {Bug 3614226: ensure that continue only cleans up the right amount} memory {
+ apply {{} {
+ set l [lrepeat 50 p q r]
+ # Can't use [memtest]; must be careful when we change stack frames
+ set end [meminfo]
+ for {set i 0} {$i < 5} {incr i} {
+ unset -nocomplain {*}[for {set x 0} {[incr x]<50} {} {
+ puts [puts {*}$l {*}[puts a b c {*}$l {*}[continue] d e f]]
+ }]
+ set tmp $end
+ set end [meminfo]
+ }
+ expr {$end - $tmp}
+ }}
+} 0
+
# cleanup
::tcltest::cleanupTests
return
+
+# Local Variables:
+# mode: tcl
+# End: