text
stringlengths 0
15.7k
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stringlengths 6
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|---|---|
end assert test failed
|
lns3.scpt
|
to unit test runner
|
lns3.scpt
|
try -- shouldn't fail unless TestTools library has been incorrectly built
|
lns3.scpt
|
return (path to resource "osatest" in directory "bin") as «class furl»
|
lns3.scpt
|
on error number -2763 -- returned 'nothing' instead of raising 'resource not found' error (very odd)
|
lns3.scpt
|
error "A resource wasn’t found." number -192
|
lns3.scpt
|
_error("unit test runner", eText, eNumber, eFrom, eTo)
|
lns3.scpt
|
end unit test runner
|
lns3.scpt
|
on run unit tests testFile -- e.g. for running tests in Script Editor
|
lns3.scpt
|
return do shell script (quoted form of POSIX path of (unit test runner)) & space ¬
|
lns3.scpt
|
& (quoted form of _support's asPOSIXPathParameter(testFile, "")) without altering line endings
|
lns3.scpt
|
_error("run unit tests", eText, eNumber, eFrom, eTo)
|
lns3.scpt
|
end run unit tests
|
lns3.scpt
|
_support's throwCommandError("Objects", handlerName, eText, eNumber, eFrom, eTo)
|
lns3.scpt
|
to _makeEmptyList(n) -- make a list of size n where n is a power of two, e.g. _makeBucketList(1024) returns a 1024 (2^10) item list (other values of n are rounded down automatically, e.g. n=1000 gives a 512-item list)
|
lns3.scpt
|
set l to {missing value}
|
lns3.scpt
|
repeat while n > 1
|
lns3.scpt
|
set l to l & l
|
lns3.scpt
|
set n to n div 2
|
lns3.scpt
|
return l
|
lns3.scpt
|
end _makeEmptyList
|
lns3.scpt
|
to dictionary collection -- key-value collection, analogous to NSMutableDictionary (note: keys must be text, or objects that reliably coerce to text)
|
lns3.scpt
|
script DictionaryCollection
|
lns3.scpt
|
property _buckets : _makeEmptyList(1024) -- DictionaryCollections currently use a fixed-size bucket list (2^10=1024 items seems to be a reasonable default)
|
lns3.scpt
|
property _size : length of my _buckets
|
lns3.scpt
|
property _count : 0
|
lns3.scpt
|
_support's throwMethodError("Objects", "DictionaryCollection", handlerName, eText, eNumber, eFrom, eTo)
|
lns3.scpt
|
to _keyIndex(theKey)
|
lns3.scpt
|
if (count {theKey} each specifier) ≠ 0 or (count {theKey} each record) ≠ 0 or (count {theKey} each script) ≠ 0 then error "Invalid key type." number -1703 from theKey -- explicitly disallow types that can redefine their `class` properties
|
lns3.scpt
|
if {theKey's class} is in {type, class, constant} then -- caution: coercing a type class or constant symbol to text is problematic, as the resulting string may contain either its literal name or its raw four-char code depending on the terminology available at the time (furthermore, terminology conflicts and synonyms may cause its literal name to change); to avoid these problems, it's better to send the value over the ASOC to convert it to an NSAppleEventDescriptor, from which its raw four-char code can be obtained as an Int32 which can be safely used as its hashNum
|
lns3.scpt
|
set hashNum to _support's asNSObject(theKey)'s typeCodeValue()
|
lns3.scpt
|
if theKey's class is text then
|
lns3.scpt
|
set hashNum to _support's asNormalizedNSString(theKey as text)'s hash()
|
lns3.scpt
|
else if {theKey's class} is in {integer, real} then -- note: integers and reals that are numerically equal must always produce same hash, since the linked list lookup compares integer and real keys for numeric equality (e.g. 1 = 1.0)
|
lns3.scpt
|
set hashNum to theKey
|
lns3.scpt
|
set divNum to theKey mod 1
|
lns3.scpt
|
if divNum ≠ 0 then set hashNum to hashNum - 1 / divNum
|
lns3.scpt
|
if hashNum < 0 then set hashNum to -hashNum
|
lns3.scpt
|
if hashNum < 1.0E+200 then set hashNum to hashNum * 67128023
|
lns3.scpt
|
else if theKey's class is date then
|
lns3.scpt
|
set hashNum to _support's asNSObject(theKey)'s timeIntervalSinceReferenceDate()
|
lns3.scpt
|
error "Invalid key type." number -1703 from theKey
|
lns3.scpt
|
if hashNum > 1.12589990684262E+15 then set hashNum to hashNum div 4096
|
lns3.scpt
|
return hashNum mod _size + 1
|
lns3.scpt
|
end _keyIndex
|
lns3.scpt
|
to countItems()
|
lns3.scpt
|
return _count
|
lns3.scpt
|
end countItems
|
lns3.scpt
|
to addItem(theKey, theValue)
|
lns3.scpt
|
set keyIndex to _keyIndex(theKey)
|
lns3.scpt
|
copy theKey to theKey -- while dates can be used as keys, it's essential that keys stored in linked lists are never mutated so they must be copied first (this is a no-op for text, numbers, and other immutable types, while other types for which copying is problematic, e.g. script objects, are already forbidden as keys)
|
lns3.scpt
|
set foundItem to item keyIndex of my _buckets
|
lns3.scpt
|
if foundItem is missing value then -- insert new item
|
lns3.scpt
|
set item keyIndex of my _buckets to {k:theKey, v:theValue, nextItem:missing value}
|
lns3.scpt
|
set _count to _count + 1
|
lns3.scpt
|
if k of foundItem is theKey then -- replace existing item
|
lns3.scpt
|
set oldValue to v of foundItem
|
lns3.scpt
|
set {k of foundItem, v of foundItem} to {theKey, theValue}
|
lns3.scpt
|
if nextItem of foundItem is missing value then -- insert new item
|
lns3.scpt
|
set nextItem of foundItem to {k:theKey, v:theValue, nextItem:missing value}
|
lns3.scpt
|
set foundItem to nextItem of foundItem
|
lns3.scpt
|
_error("addItem", eText, eNumber, eFrom, eTo)
|
lns3.scpt
|
end addItem
|
lns3.scpt
|
to removeItem(theKey)
|
lns3.scpt
|
set prevItem to missing value
|
lns3.scpt
|
repeat while foundItem is not missing value
|
lns3.scpt
|
set foundKey to k of foundItem
|
lns3.scpt
|
if foundKey is theKey then
|
lns3.scpt
|
set theValue to v of foundItem
|
lns3.scpt
|
if prevItem is missing value then
|
lns3.scpt
|
set item keyIndex of my _buckets to nextItem of foundItem
|
lns3.scpt
|
set nextItem of prevItem to nextItem of foundItem
|
lns3.scpt
|
set _count to _count - 1
|
lns3.scpt
|
return theValue -- return the removed value
|
lns3.scpt
|
set prevItem to foundItem
|
lns3.scpt
|
error "Item not found." number -1728 from theKey
|
lns3.scpt
|
_error("removeItem", eText, eNumber, eFrom, eTo)
|
lns3.scpt
|
end removeItem
|
lns3.scpt
|
to deleteAllItems()
|
lns3.scpt
|
set my _buckets to _makeEmptyList(1024)
|
lns3.scpt
|
set _size to length of my _buckets
|
lns3.scpt
|
set _count to 0
|
lns3.scpt
|
end deleteAllItems
|
lns3.scpt
|
to getItem(theKey)
|
lns3.scpt
|
set foundItem to item _keyIndex(theKey) of my _buckets
|
lns3.scpt
|
if k of foundItem is theKey then return v of foundItem
|
lns3.scpt
|
_error("getItem", eText, eNumber, eFrom, eTo)
|
lns3.scpt
|
end getItem
|
lns3.scpt
|
to containsItem(theKey)
|
lns3.scpt
|
getItem(theKey)
|
lns3.scpt
|
end containsItem
|
lns3.scpt
|
to objectDescription()
|
lns3.scpt
|
return "«dictionary collection (" & _count & " items)»"
|
lns3.scpt
|
end objectDescription
|
lns3.scpt
|
to copyObject()
|
lns3.scpt
|
set newObject to dictionary collection
|
lns3.scpt
|
if _count > 0 then
|
lns3.scpt
|
if length of my _buckets ≠ length of newObject's _buckets then error "Mismatched bucket lists." -- sanity check as this copyObject() implementation requires all bucket lists to be same length, and will need revised if growable bucket lists are supported in future
|
lns3.scpt
|
repeat with i from 1 to length of my _buckets
|
lns3.scpt
|
set oldBucket to item i of my _buckets
|
lns3.scpt
|
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