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source [file dirname [info script]]/testing.tcl
needs constraint jim
test procstatic-1.1 "Simple statics by value with initialiser" {
proc a {} {{b 1} {c "two"}} {
incr b
append c -three
list $b $c
}
a
} {2 two-three}
test procstatic-1.2 "static by value from local scope" {
set b 1
set c two
proc a {} {b c} {
incr b
append c -three
list $b $c
}
list [a] $b $c
} {{2 two-three} 1 two}
test procstatic-1.3 "static by reference from local scope" {
set b 1
set c two
proc a {} {&b &c} {
incr b
append c -three
list $b $c
}
list [a] $b $c
} {{2 two-three} 2 two-three}
test procstatic-1.4 "static by reference shared between procs" {
set c 0
proc a {} {&c} {
incr c
}
proc b {} {&c} {
incr c 10
}
list [a] [b] [a] [b] $c
} {1 11 12 22 22}
test procstatic-1.5 "static by reference that goes out of scope" {
proc p {c} {
proc a {} {&c} {
incr c
}
proc b {} {&c} {
incr c 10
}
}
p 100
# Now c no longer exists but the reference is maintained by a and b
list [a] [b] [a] [b]
} {101 111 112 122}
test procstatic-1.5 "static by reference to upvar" {
set cc 5
proc p {&c} {
proc a {} {&c} {
incr c
}
proc b {} {&c} {
incr c 10
}
}
p cc
# a and b maintain a reference to cc by upvar. When we unset cc the link
# is dangling so the first incr will start with 0
unset cc
list [a] [b] [a] [b]
} {1 11 12 22}
test procstatic-1.6 "static by reference to upvar to array element" {
set cc {d 5}
proc p {} {
upvar cc(d) c
proc a {} {&c} {
incr c
}
proc b {} {&c} {
incr c 10
}
}
p
list [a] [b] [a] [b]
} {6 16 17 27}
# This test doesn't work yet because upvar simply keeps the name of the target
# variable, not a reference to the variable so when it goes out of scope
# the link is lost.
# test procstatic-1.7 "static by reference to upvar that goes out of scope" {
# proc q {} {
# set cc 5
# proc p {&c} {
# proc a {} {&c} {
# incr c
# }
# proc b {} {&c} {
# incr c 10
# }
# }
# p cc
# }
# q
# # Now cc is out of scope. The stack frame the c points to is gone.
# list [a] [b] [a] [b]
# } {1 11 12 22}
test procstatic-1.8 {lambda with reference} {
# Returns a lambda that appends to the given variable
proc a {&b sep} {
lambda {c} {&b sep} {
append b $sep$c
}
}
# Invoke the function with the arg.
# The updated variable will be in the original scope
proc p {f add} {
$f $add
}
set bb 5
# Create our two functions that both modify bb
set f [a bb -]
set f2 [a bb +]
# Call them a few times
p $f test
p $f2 again
p $f first
} {5-test+again-first}
test procstatic-2.1 {invalid static - array element} -body {
set b {1 2}
proc a {} {b(1)} {
return $b(1)
}
a
} -returnCodes error -result {Can't initialise array element "b(1)"}
test procstatic-2.2 {invalid static - array element by ref} -body {
set b {1 2}
proc a {} {&b(1)} {
return $b(1)
}
a
} -returnCodes error -result {Can't link to array element "b(1)"}
test procstatic-2.3 {invalid static - missing} -body {
unset -nocomplain b
proc a {} {b} {
return $b
}
a
} -returnCodes error -result {variable for initialization of static "b" not found in the local context}
test procstatic-2.4 {invalid static - missing, by ref} -body {
unset -nocomplain b
proc a {} {&b} {
return $b
}
a
} -returnCodes error -result {variable for initialization of static "b" not found in the local context}
testreport
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