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(
function
(
global
,
module
)
{
if
(
'undefined'
==
typeof
module
)
{
var
module
=
{
exports
:
{
}
}
,
exports
=
module
.
exports
}
/**
* Exports.
*/
module
.
exports
=
expect
;
expect
.
Assertion
=
Assertion
;
/**
* Exports version.
*/
expect
.
version
=
'0.1.2'
;
/**
* Possible assertion flags.
*/
var
flags
=
{
not
:
[
'to'
,
'be'
,
'have'
,
'include'
,
'only'
]
,
to
:
[
'be'
,
'have'
,
'include'
,
'only'
,
'not'
]
,
only
:
[
'have'
]
,
have
:
[
'own'
]
,
be
:
[
'an'
]
}
;
function
expect
(
obj
)
{
return
new
Assertion
(
obj
)
;
}
/**
* Constructor
*
*
@api
private
*/
function
Assertion
(
obj
,
flag
,
parent
)
{
this
.
obj
=
obj
;
this
.
flags
=
{
}
;
if
(
undefined
!=
parent
)
{
this
.
flags
[
flag
]
=
true
;
for
(
var
i
in
parent
.
flags
)
{
if
(
parent
.
flags
.
hasOwnProperty
(
i
)
)
{
this
.
flags
[
i
]
=
true
;
}
}
}
var
$flags
=
flag
?
flags
[
flag
]
:
keys
(
flags
)
,
self
=
this
if
(
$flags
)
{
for
(
var
i
=
0
,
l
=
$flags
.
length
;
i
<
l
;
i
++
)
{
// avoid recursion
if
(
this
.
flags
[
$flags
[
i
]
]
)
continue
;
var
name
=
$flags
[
i
]
,
assertion
=
new
Assertion
(
this
.
obj
,
name
,
this
)
if
(
'function'
==
typeof
Assertion
.
prototype
[
name
]
)
{
// clone the function, make sure we dont touch the prot reference
var
old
=
this
[
name
]
;
this
[
name
]
=
function
(
)
{
return
old
.
apply
(
self
,
arguments
)
;
}
for
(
var
fn
in
Assertion
.
prototype
)
{
if
(
Assertion
.
prototype
.
hasOwnProperty
(
fn
)
&&
fn
!=
name
)
{
this
[
name
]
[
fn
]
=
bind
(
assertion
[
fn
]
,
assertion
)
;
}
}
}
else
{
this
[
name
]
=
assertion
;
}
}
}
}
;
/**
* Performs an assertion
*
*
@api
private
*/
Assertion
.
prototype
.
assert
=
function
(
truth
,
msg
,
error
)
{
var
msg
=
this
.
flags
.
not
?
error
:
msg
,
ok
=
this
.
flags
.
not
?
!
truth
:
truth
;
if
(
!
ok
)
{
throw
new
Error
(
msg
)
;
}
this
.
and
=
new
Assertion
(
this
.
obj
)
;
}
;
/**
* Check if the value is truthy
*
*
@api
public
*/
Assertion
.
prototype
.
ok
=
function
(
)
{
this
.
assert
(
!
!
this
.
obj
,
'expected '
+
i
(
this
.
obj
)
+
' to be truthy'
,
'expected '
+
i
(
this
.
obj
)
+
' to be falsy'
)
;
}
;
/**
* Assert that the function throws.
*
*
@param
{
Function|RegExp
} callback, or regexp to match error string against
*
@api
public
*/
Assertion
.
prototype
.
throwError
=
Assertion
.
prototype
.
throwException
=
function
(
fn
)
{
expect
(
this
.
obj
)
.
to
.
be
.
a
(
'function'
)
;
var
thrown
=
false
,
not
=
this
.
flags
.
not
try
{
this
.
obj
(
)
;
}
catch
(
e
)
{
if
(
'function'
==
typeof
fn
)
{
fn
(
e
)
;
}
else
if
(
'object'
==
typeof
fn
)
{
var
subject
=
'string'
==
typeof
e
?
e
:
e
.
message
;
if
(
not
)
{
expect
(
subject
)
.
to
.
not
.
match
(
fn
)
;
}
else
{
expect
(
subject
)
.
to
.
match
(
fn
)
;
}
}
thrown
=
true
;
}
if
(
'object'
==
typeof
fn
&&
not
)
{
// in the presence of a matcher, ensure the `not` only applies to
// the matching.
this
.
flags
.
not
=
false
;
}
var
name
=
this
.
obj
.
name
||
'fn'
;
this
.
assert
(
thrown
,
'expected '
+
name
+
' to throw an exception'
,
'expected '
+
name
+
' not to throw an exception'
)
;
}
;
/**
* Checks if the array is empty.
*
*
@api
public
*/
Assertion
.
prototype
.
empty
=
function
(
)
{
var
expectation
;
if
(
'object'
==
typeof
this
.
obj
&&
null
!==
this
.
obj
&&
!
isArray
(
this
.
obj
)
)
{
if
(
'number'
==
typeof
this
.
obj
.
length
)
{
expectation
=
!
this
.
obj
.
length
;
}
else
{
expectation
=
!
keys
(
this
.
obj
)
.
length
;
}
}
else
{
if
(
'string'
!=
typeof
this
.
obj
)
{
expect
(
this
.
obj
)
.
to
.
be
.
an
(
'object'
)
;
}
expect
(
this
.
obj
)
.
to
.
have
.
property
(
'length'
)
;
expectation
=
!
this
.
obj
.
length
;
}
this
.
assert
(
expectation
,
'expected '
+
i
(
this
.
obj
)
+
' to be empty'
,
'expected '
+
i
(
this
.
obj
)
+
' to not be empty'
)
;
return
this
;
}
;
/**
* Checks if the obj exactly equals another.
*
*
@api
public
*/
Assertion
.
prototype
.
be
=
Assertion
.
prototype
.
equal
=
function
(
obj
)
{
this
.
assert
(
obj
===
this
.
obj
,
'expected '
+
i
(
this
.
obj
)
+
' to equal '
+
i
(
obj
)
,
'expected '
+
i
(
this
.
obj
)
+
' to not equal '
+
i
(
obj
)
)
;
return
this
;
}
;
/**
* Checks if the obj sortof equals another.
*
*
@api
public
*/
Assertion
.
prototype
.
eql
=
function
(
obj
)
{
this
.
assert
(
expect
.
eql
(
obj
,
this
.
obj
)
,
'expected '
+
i
(
this
.
obj
)
+
' to sort of equal '
+
i
(
obj
)
,
'expected '
+
i
(
this
.
obj
)
+
' to sort of not equal '
+
i
(
obj
)
)
;
return
this
;
}
;
/**
* Assert within start to finish (inclusive).
*
*
@param
{
Number
} start
*
@param
{
Number
} finish
*
@api
public
*/
Assertion
.
prototype
.
within
=
function
(
start
,
finish
)
{
var
range
=
start
+
'..'
+
finish
;
this
.
assert
(
this
.
obj
>=
start
&&
this
.
obj
<=
finish
,
'expected '
+
i
(
this
.
obj
)
+
' to be within '
+
range
,
'expected '
+
i
(
this
.
obj
)
+
' to not be within '
+
range
)
;
return
this
;
}
;
/**
* Assert typeof / instance of
*
*
@api
public
*/
Assertion
.
prototype
.
a
=
Assertion
.
prototype
.
an
=
function
(
type
)
{
if
(
'string'
==
typeof
type
)
{
// proper english in error msg
var
n
=
/
^
[
a
e
i
o
u
]
/
.
test
(
type
)
?
'n'
:
''
;
// typeof with support for 'array'
this
.
assert
(
'array'
==
type
?
isArray
(
this
.
obj
)
:
'object'
==
type
?
'object'
==
typeof
this
.
obj
&&
null
!==
this
.
obj
:
type
==
typeof
this
.
obj
,
'expected '
+
i
(
this
.
obj
)
+
' to be a'
+
n
+
' '
+
type
,
'expected '
+
i
(
this
.
obj
)
+
' not to be a'
+
n
+
' '
+
type
)
;
}
else
{
// instanceof
var
name
=
type
.
name
||
'supplied constructor'
;
this
.
assert
(
this
.
obj
instanceof
type
,
'expected '
+
i
(
this
.
obj
)
+
' to be an instance of '
+
name
,
'expected '
+
i
(
this
.
obj
)
+
' not to be an instance of '
+
name
)
;
}
return
this
;
}
;
/**
* Assert numeric value above _n_.
*
*
@param
{
Number
} n
*
@api
public
*/
Assertion
.
prototype
.
greaterThan
=
Assertion
.
prototype
.
above
=
function
(
n
)
{
this
.
assert
(
this
.
obj
>
n
,
'expected '
+
i
(
this
.
obj
)
+
' to be above '
+
n
,
'expected '
+
i
(
this
.
obj
)
+
' to be below '
+
n
)
;
return
this
;
}
;
/**
* Assert numeric value below _n_.
*
*
@param
{
Number
} n
*
@api
public
*/
Assertion
.
prototype
.
lessThan
=
Assertion
.
prototype
.
below
=
function
(
n
)
{
this
.
assert
(
this
.
obj
<
n
,
'expected '
+
i
(
this
.
obj
)
+
' to be below '
+
n
,
'expected '
+
i
(
this
.
obj
)
+
' to be above '
+
n
)
;
return
this
;
}
;
/**
* Assert string value matches _regexp_.
*
*
@param
{
RegExp
} regexp
*
@api
public
*/
Assertion
.
prototype
.
match
=
function
(
regexp
)
{
this
.
assert
(
regexp
.
exec
(
this
.
obj
)
,
'expected '
+
i
(
this
.
obj
)
+
' to match '
+
regexp
,
'expected '
+
i
(
this
.
obj
)
+
' not to match '
+
regexp
)
;
return
this
;
}
;
/**
* Assert property "length" exists and has value of _n_.
*
*
@param
{
Number
} n
*
@api
public
*/
Assertion
.
prototype
.
length
=
function
(
n
)
{
expect
(
this
.
obj
)
.
to
.
have
.
property
(
'length'
)
;
var
len
=
this
.
obj
.
length
;
this
.
assert
(
n
==
len
,
'expected '
+
i
(
this
.
obj
)
+
' to have a length of '
+
n
+
' but got '
+
len
,
'expected '
+
i
(
this
.
obj
)
+
' to not have a length of '
+
len
)
;
return
this
;
}
;
/**
* Assert property _name_ exists, with optional _val_.
*
*
@param
{
String
} name
*
@param
{
Mixed
} val
*
@api
public
*/
Assertion
.
prototype
.
property
=
function
(
name
,
val
)
{
if
(
this
.
flags
.
own
)
{
this
.
assert
(
Object
.
prototype
.
hasOwnProperty
.
call
(
this
.
obj
,
name
)
,
'expected '
+
i
(
this
.
obj
)
+
' to have own property '
+
i
(
name
)
,
'expected '
+
i
(
this
.
obj
)
+
' to not have own property '
+
i
(
name
)
)
;
return
this
;
}
if
(
this
.
flags
.
not
&&
undefined
!==
val
)
{
if
(
undefined
===
this
.
obj
[
name
]
)
{
throw
new
Error
(
i
(
this
.
obj
)
+
' has no property '
+
i
(
name
)
)
;
}
}
else
{
var
hasProp
;
try
{
hasProp
=
name
in
this
.
obj
}
catch
(
e
)
{
hasProp
=
undefined
!==
this
.
obj
[
name
]
}
this
.
assert
(
hasProp
,
'expected '
+
i
(
this
.
obj
)
+
' to have a property '
+
i
(
name
)
,
'expected '
+
i
(
this
.
obj
)
+
' to not have a property '
+
i
(
name
)
)
;
}
if
(
undefined
!==
val
)
{
this
.
assert
(
val
===
this
.
obj
[
name
]
,
'expected '
+
i
(
this
.
obj
)
+
' to have a property '
+
i
(
name
)
+
' of '
+
i
(
val
)
+
', but got '
+
i
(
this
.
obj
[
name
]
)
,
'expected '
+
i
(
this
.
obj
)
+
' to not have a property '
+
i
(
name
)
+
' of '
+
i
(
val
)
)
;
}
this
.
obj
=
this
.
obj
[
name
]
;
return
this
;
}
;
/**
* Assert that the array contains _obj_ or string contains _obj_.
*
*
@param
{
Mixed
} obj|string
*
@api
public
*/
Assertion
.
prototype
.
string
=
Assertion
.
prototype
.
contain
=
function
(
obj
)
{
if
(
'string'
==
typeof
this
.
obj
)
{
this
.
assert
(
~
this
.
obj
.
indexOf
(
obj
)
,
'expected '
+
i
(
this
.
obj
)
+
' to contain '
+
i
(
obj
)
,
'expected '
+
i
(
this
.
obj
)
+
' to not contain '
+
i
(
obj
)
)
;
}
else
{
this
.
assert
(
~
indexOf
(
this
.
obj
,
obj
)
,
'expected '
+
i
(
this
.
obj
)
+
' to contain '
+
i
(
obj
)
,
'expected '
+
i
(
this
.
obj
)
+
' to not contain '
+
i
(
obj
)
)
;
}
return
this
;
}
;
/**
* Assert exact keys or inclusion of keys by using
* the `.own` modifier.
*
*
@param
{
Array|String ...
} keys
*
@api
public
*/
Assertion
.
prototype
.
key
=
Assertion
.
prototype
.
keys
=
function
(
$keys
)
{
var
str
,
ok
=
true
;
$keys
=
isArray
(
$keys
)
?
$keys
:
Array
.
prototype
.
slice
.
call
(
arguments
)
;
if
(
!
$keys
.
length
)
throw
new
Error
(
'keys required'
)
;
var
actual
=
keys
(
this
.
obj
)
,
len
=
$keys
.
length
;
// Inclusion
ok
=
every
(
$keys
,
function
(
key
)
{
return
~
indexOf
(
actual
,
key
)
;
}
)
;
// Strict
if
(
!
this
.
flags
.
not
&&
this
.
flags
.
only
)
{
ok
=
ok
&&
$keys
.
length
==
actual
.
length
;
}
// Key string
if
(
len
>
1
)
{
$keys
=
map
(
$keys
,
function
(
key
)
{
return
i
(
key
)
;
}
)
;
var
last
=
$keys
.
pop
(
)
;
str
=
$keys
.
join
(
', '
)
+
', and '
+
last
;
}
else
{
str
=
i
(
$keys
[
0
]
)
;
}
// Form
str
=
(
len
>
1
?
'keys '
:
'key '
)
+
str
;
// Have / include
str
=
(
!
this
.
flags
.
only
?
'include '
:
'only have '
)
+
str
;
// Assertion
this
.
assert
(
ok
,
'expected '
+
i
(
this
.
obj
)
+
' to '
+
str
,
'expected '
+
i
(
this
.
obj
)
+
' to not '
+
str
)
;
return
this
;
}
;
/**
* Function bind implementation.
*/
function
bind
(
fn
,
scope
)
{
return
function
(
)
{
return
fn
.
apply
(
scope
,
arguments
)
;
}
}
/**
* Array every compatibility
*
*
@see
bit.ly/5Fq1N2
*
@api
public
*/
function
every
(
arr
,
fn
,
thisObj
)
{
var
scope
=
thisObj
||
global
;
for
(
var
i
=
0
,
j
=
arr
.
length
;
i
<
j
;
++
i
)
{
if
(
!
fn
.
call
(
scope
,
arr
[
i
]
,
i
,
arr
)
)
{
return
false
;
}
}
return
true
;
}
;
/**
* Array indexOf compatibility.
*
*
@see
bit.ly/a5Dxa2
*
@api
public
*/
function
indexOf
(
arr
,
o
,
i
)
{
if
(
Array
.
prototype
.
indexOf
)
{
return
Array
.
prototype
.
indexOf
.
call
(
arr
,
o
,
i
)
;
}
if
(
arr
.
length
===
undefined
)
{
return
-
1
;
}
for
(
var
j
=
arr
.
length
,
i
=
i
<
0
?
i
+
j
<
0
?
0
:
i
+
j
:
i
||
0
;
i
<
j
&&
arr
[
i
]
!==
o
;
i
++
)
;
return
j
<=
i
?
-
1
:
i
;
}
;
/**
* Inspects an object.
*
*
@see
taken from node.js `util` module (copyright Joyent, MIT license)
*
@api
private
*/
function
i
(
obj
,
showHidden
,
depth
)
{
var
seen
=
[
]
;
function
stylize
(
str
)
{
return
str
;
}
;
function
format
(
value
,
recurseTimes
)
{
// Provide a hook for user-specified inspect functions.
// Check that value is an object with an inspect function on it
if
(
value
&&
typeof
value
.
inspect
===
'function'
&&
// Filter out the util module, it's inspect function is special
value
!==
exports
&&
// Also filter out any prototype objects using the circular check.
!
(
value
.
constructor
&&
value
.
constructor
.
prototype
===
value
)
)
{
return
value
.
inspect
(
recurseTimes
)
;
}
// Primitive types cannot have properties
switch
(
typeof
value
)
{
case
'undefined'
:
return
stylize
(
'undefined'
,
'undefined'
)
;
case
'string'
:
var
simple
=
'\''
+
json
.
stringify
(
value
)
.
replace
(
/
^
"
|
"
$
/
g
,
''
)
.
replace
(
/
'
/
g
,
"\\'"
)
.
replace
(
/
\\
"
/
g
,
'"'
)
+
'\''
;
return
stylize
(
simple
,
'string'
)
;
case
'number'
:
return
stylize
(
''
+
value
,
'number'
)
;
case
'boolean'
:
return
stylize
(
''
+
value
,
'boolean'
)
;
}
// For some reason typeof null is "object", so special case here.
if
(
value
===
null
)
{
return
stylize
(
'null'
,
'null'
)
;
}
// Look up the keys of the object.
var
visible_keys
=
keys
(
value
)
;
var
$keys
=
showHidden
?
Object
.
getOwnPropertyNames
(
value
)
:
visible_keys
;
// Functions without properties can be shortcutted.
if
(
typeof
value
===
'function'
&&
$keys
.
length
===
0
)
{
if
(
isRegExp
(
value
)
)
{
return
stylize
(
''
+
value
,
'regexp'
)
;
}
else
{
var
name
=
value
.
name
?
': '
+
value
.
name
:
''
;
return
stylize
(
'[Function'
+
name
+
']'
,
'special'
)
;
}
}
// Dates without properties can be shortcutted
if
(
isDate
(
value
)
&&
$keys
.
length
===
0
)
{
return
stylize
(
value
.
toUTCString
(
)
,
'date'
)
;
}
var
base
,
type
,
braces
;
// Determine the object type
if
(
isArray
(
value
)
)
{
type
=
'Array'
;
braces
=
[
'['
,
']'
]
;
}
else
{
type
=
'Object'
;
braces
=
[
'{'
,
'}'
]
;
}
// Make functions say that they are functions
if
(
typeof
value
===
'function'
)
{
var
n
=
value
.
name
?
': '
+
value
.
name
:
''
;
base
=
(
isRegExp
(
value
)
)
?
' '
+
value
:
' [Function'
+
n
+
']'
;
}
else
{
base
=
''
;
}
// Make dates with properties first say the date
if
(
isDate
(
value
)
)
{
base
=
' '
+
value
.
toUTCString
(
)
;
}
if
(
$keys
.
length
===
0
)
{
return
braces
[
0
]
+
base
+
braces
[
1
]
;
}
if
(
recurseTimes
<
0
)
{
if
(
isRegExp
(
value
)
)
{
return
stylize
(
''
+
value
,
'regexp'
)
;
}
else
{
return
stylize
(
'[Object]'
,
'special'
)
;
}
}
seen
.
push
(
value
)
;
var
output
=
map
(
$keys
,
function
(
key
)
{
var
name
,
str
;
if
(
value
.
__lookupGetter__
)
{
if
(
value
.
__lookupGetter__
(
key
)
)
{
if
(
value
.
__lookupSetter__
(
key
)
)
{
str
=
stylize
(
'[Getter/Setter]'
,
'special'
)
;
}
else
{
str
=
stylize
(
'[Getter]'
,
'special'
)
;
}
}
else
{
if
(
value
.
__lookupSetter__
(
key
)
)
{
str
=
stylize
(
'[Setter]'
,
'special'
)
;
}
}
}
if
(
indexOf
(
visible_keys
,
key
)
<
0
)
{
name
=
'['
+
key
+
']'
;
}
if
(
!
str
)
{
if
(
indexOf
(
seen
,
value
[
key
]
)
<
0
)
{
if
(
recurseTimes
===
null
)
{
str
=
format
(
value
[
key
]
)
;
}
else
{
str
=
format
(
value
[
key
]
,
recurseTimes
-
1
)
;
}
if
(
str
.
indexOf
(
'\n'
)
>
-
1
)
{
if
(
isArray
(
value
)
)
{
str
=
map
(
str
.
split
(
'\n'
)
,
function
(
line
)
{
return
' '
+
line
;
}
)
.
join
(
'\n'
)
.
substr
(
2
)
;
}
else
{
str
=
'\n'
+
map
(
str
.
split
(
'\n'
)
,
function
(
line
)
{
return
' '
+
line
;
}
)
.
join
(
'\n'
)
;
}
}
}
else
{
str
=
stylize
(
'[Circular]'
,
'special'
)
;
}
}
if
(
typeof
name
===
'undefined'
)
{
if
(
type
===
'Array'
&&
key
.
match
(
/
^
\d
+
$
/
)
)
{
return
str
;
}
name
=
json
.
stringify
(
''
+
key
)
;
if
(
name
.
match
(
/
^
"
(
[
a
-
z
A
-
Z
_
]
[
a
-
z
A
-
Z
_
0
-
9
]
*
)
"
$
/
)
)
{
name
=
name
.
substr
(
1
,
name
.
length
-
2
)
;
name
=
stylize
(
name
,
'name'
)
;
}
else
{
name
=
name
.
replace
(
/
'
/
g
,
"\\'"
)
.
replace
(
/
\\
"
/
g
,
'"'
)
.
replace
(
/
(
^
"
|
"
$
)
/
g
,
"'"
)
;
name
=
stylize
(
name
,
'string'
)
;
}
}
return
name
+
': '
+
str
;
}
)
;
seen
.
pop
(
)
;
var
numLinesEst
=
0
;
var
length
=
reduce
(
output
,
function
(
prev
,
cur
)
{
numLinesEst
++
;
if
(
indexOf
(
cur
,
'\n'
)
>=
0
)
numLinesEst
++
;
return
prev
+
cur
.
length
+
1
;
}
,
0
)
;
if
(
length
>
50
)
{
output
=
braces
[
0
]
+
(
base
===
''
?
''
:
base
+
'\n '
)
+
' '
+
output
.
join
(
',\n '
)
+
' '
+
braces
[
1
]
;
}
else
{
output
=
braces
[
0
]
+
base
+
' '
+
output
.
join
(
', '
)
+
' '
+
braces
[
1
]
;
}
return
output
;
}
return
format
(
obj
,
(
typeof
depth
===
'undefined'
?
2
:
depth
)
)
;
}
;
function
isArray
(
ar
)
{
return
Object
.
prototype
.
toString
.
call
(
ar
)
==
'[object Array]'
;
}
;
function
isRegExp
(
re
)
{
var
s
=
''
+
re
;
return
re
instanceof
RegExp
||
// easy case
// duck-type for context-switching evalcx case
typeof
(
re
)
===
'function'
&&
re
.
constructor
.
name
===
'RegExp'
&&
re
.
compile
&&
re
.
test
&&
re
.
exec
&&
s
.
match
(
/
^
\/
.
*
\/
[
g
i
m
]
{
0
,
3
}
$
/
)
;
}
;
function
isDate
(
d
)
{
if
(
d
instanceof
Date
)
return
true
;
return
false
;
}
;
function
keys
(
obj
)
{
if
(
Object
.
keys
)
{
return
Object
.
keys
(
obj
)
;
}
var
keys
=
[
]
;
for
(
var
i
in
obj
)
{
if
(
Object
.
prototype
.
hasOwnProperty
.
call
(
obj
,
i
)
)
{
keys
.
push
(
i
)
;
}
}
return
keys
;
}
function
map
(
arr
,
mapper
,
that
)
{
if
(
Array
.
prototype
.
map
)
{
return
Array
.
prototype
.
map
.
call
(
arr
,
mapper
,
that
)
;
}
var
other
=
new
Array
(
arr
.
length
)
;
for
(
var
i
=
0
,
n
=
arr
.
length
;
i
<
n
;
i
++
)
if
(
i
in
arr
)
other
[
i
]
=
mapper
.
call
(
that
,
arr
[
i
]
,
i
,
arr
)
;
return
other
;
}
;
function
reduce
(
arr
,
fun
)
{
if
(
Array
.
prototype
.
reduce
)
{
return
Array
.
prototype
.
reduce
.
apply
(
arr
,
Array
.
prototype
.
slice
.
call
(
arguments
,
1
)
)
;
}
var
len
=
+
this
.
length
;
if
(
typeof
fun
!==
"function"
)
throw
new
TypeError
(
)
;
// no value to return if no initial value and an empty array
if
(
len
===
0
&&
arguments
.
length
===
1
)
throw
new
TypeError
(
)
;
var
i
=
0
;
if
(
arguments
.
length
>=
2
)
{
var
rv
=
arguments
[
1
]
;
}
else
{
do
{
if
(
i
in
this
)
{
rv
=
this
[
i
++
]
;
break
;
}
// if array contains no values, no initial value to return
if
(
++
i
>=
len
)
throw
new
TypeError
(
)
;
}
while
(
true
)
;
}
for
(
;
i
<
len
;
i
++
)
{
if
(
i
in
this
)
rv
=
fun
.
call
(
null
,
rv
,
this
[
i
]
,
i
,
this
)
;
}
return
rv
;
}
;
/**
* Asserts deep equality
*
*
@see
taken from node.js `assert` module (copyright Joyent, MIT license)
*
@api
private
*/
expect
.
eql
=
function
eql
(
actual
,
expected
)
{
// 7.1. All identical values are equivalent, as determined by ===.
if
(
actual
===
expected
)
{
return
true
;
}
else
if
(
'undefined'
!=
typeof
Buffer
&&
Buffer
.
isBuffer
(
actual
)
&&
Buffer
.
isBuffer
(
expected
)
)
{
if
(
actual
.
length
!=
expected
.
length
)
return
false
;
for
(
var
i
=
0
;
i
<
actual
.
length
;
i
++
)
{
if
(
actual
[
i
]
!==
expected
[
i
]
)
return
false
;
}
return
true
;
// 7.2. If the expected value is a Date object, the actual value is
// equivalent if it is also a Date object that refers to the same time.
}
else
if
(
actual
instanceof
Date
&&
expected
instanceof
Date
)
{
return
actual
.
getTime
(
)
===
expected
.
getTime
(
)
;
// 7.3. Other pairs that do not both pass typeof value == "object",
// equivalence is determined by ==.
}
else
if
(
typeof
actual
!=
'object'
&&
typeof
expected
!=
'object'
)
{
return
actual
==
expected
;
// 7.4. For all other Object pairs, including Array objects, equivalence is
// determined by having the same number of owned properties (as verified
// with Object.prototype.hasOwnProperty.call), the same set of keys
// (although not necessarily the same order), equivalent values for every
// corresponding key, and an identical "prototype" property. Note: this
// accounts for both named and indexed properties on Arrays.
}
else
{
return
objEquiv
(
actual
,
expected
)
;
}
}
function
isUndefinedOrNull
(
value
)
{
return
value
===
null
||
value
===
undefined
;
}
function
isArguments
(
object
)
{
return
Object
.
prototype
.
toString
.
call
(
object
)
==
'[object Arguments]'
;
}
function
objEquiv
(
a
,
b
)
{
if
(
isUndefinedOrNull
(
a
)
||
isUndefinedOrNull
(
b
)
)
return
false
;
// an identical "prototype" property.
if
(
a
.
prototype
!==
b
.
prototype
)
return
false
;
//~~~I've managed to break Object.keys through screwy arguments passing.
// Converting to array solves the problem.
if
(
isArguments
(
a
)
)
{
if
(
!
isArguments
(
b
)
)
{
return
false
;
}
a
=
pSlice
.
call
(
a
)
;
b
=
pSlice
.
call
(
b
)
;
return
expect
.
eql
(
a
,
b
)
;
}
try
{
var
ka
=
keys
(
a
)
,
kb
=
keys
(
b
)
,
key
,
i
;
}
catch
(
e
)
{
//happens when one is a string literal and the other isn't
return
false
;
}
// having the same number of owned properties (keys incorporates hasOwnProperty)
if
(
ka
.
length
!=
kb
.
length
)
return
false
;
//the same set of keys (although not necessarily the same order),
ka
.
sort
(
)
;
kb
.
sort
(
)
;
//~~~cheap key test
for
(
i
=
ka
.
length
-
1
;
i
>=
0
;
i
--
)
{
if
(
ka
[
i
]
!=
kb
[
i
]
)
return
false
;
}
//equivalent values for every corresponding key, and
//~~~possibly expensive deep test
for
(
i
=
ka
.
length
-
1
;
i
>=
0
;
i
--
)
{
key
=
ka
[
i
]
;
if
(
!
expect
.
eql
(
a
[
key
]
,
b
[
key
]
)
)
return
false
;
}
return
true
;
}
var
json
=
(
function
(
)
{
"use strict"
;
if
(
'object'
==
typeof
JSON
&&
JSON
.
parse
&&
JSON
.
stringify
)
{
return
{
parse
:
nativeJSON
.
parse
,
stringify
:
nativeJSON
.
stringify
}
}
var
JSON
=
{
}
;
function
f
(
n
)
{
// Format integers to have at least two digits.
return
n
<
10
?
'0'
+
n
:
n
;
}
function
date
(
d
,
key
)
{
return
isFinite
(
d
.
valueOf
(
)
)
?
d
.
getUTCFullYear
(
)
+
'-'
+
f
(
d
.
getUTCMonth
(
)
+
1
)
+
'-'
+
f
(
d
.
getUTCDate
(
)
)
+
'T'
+
f
(
d
.
getUTCHours
(
)
)
+
':'
+
f
(
d
.
getUTCMinutes
(
)
)
+
':'
+
f
(
d
.
getUTCSeconds
(
)
)
+
'Z'
:
null
;
}
;
var
cx
=
/
[
\u0000
\u00ad
\u0600
-
\u0604
\u070f
\u17b4
\u17b5
\u200c
-
\u200f
\u2028
-
\u202f
\u2060
-
\u206f
\ufeff
\ufff0
-
\uffff
]
/
g
,
escapable
=
/
[
\\
\"
\x00
-
\x1f
\x7f
-
\x9f
\u00ad
\u0600
-
\u0604
\u070f
\u17b4
\u17b5
\u200c
-
\u200f
\u2028
-
\u202f
\u2060
-
\u206f
\ufeff
\ufff0
-
\uffff
]
/
g
,
gap
,
indent
,
meta
=
{
// table of character substitutions
'\b'
:
'\\b'
,
'\t'
:
'\\t'
,
'\n'
:
'\\n'
,
'\f'
:
'\\f'
,
'\r'
:
'\\r'
,
'"'
:
'\\"'
,
'\\'
:
'\\\\'
}
,
rep
;
function
quote
(
string
)
{
// If the string contains no control characters, no quote characters, and no
// backslash characters, then we can safely slap some quotes around it.
// Otherwise we must also replace the offending characters with safe escape
// sequences.
escapable
.
lastIndex
=
0
;
return
escapable
.
test
(
string
)
?
'"'
+
string
.
replace
(
escapable
,
function
(
a
)
{
var
c
=
meta
[
a
]
;
return
typeof
c
===
'string'
?
c
:
'\\u'
+
(
'0000'
+
a
.
charCodeAt
(
0
)
.
toString
(
16
)
)
.
slice
(
-
4
)
;
}
)
+
'"'
:
'"'
+
string
+
'"'
;
}
function
str
(
key
,
holder
)
{
// Produce a string from holder[key].
var
i
,
// The loop counter.
k
,
// The member key.
v
,
// The member value.
length
,
mind
=
gap
,
partial
,
value
=
holder
[
key
]
;
// If the value has a toJSON method, call it to obtain a replacement value.
if
(
value
instanceof
Date
)
{
value
=
date
(
key
)
;
}
// If we were called with a replacer function, then call the replacer to
// obtain a replacement value.
if
(
typeof
rep
===
'function'
)
{
value
=
rep
.
call
(
holder
,
key
,
value
)
;
}
// What happens next depends on the value's type.
switch
(
typeof
value
)
{
case
'string'
:
return
quote
(
value
)
;
case
'number'
:
// JSON numbers must be finite. Encode non-finite numbers as null.
return
isFinite
(
value
)
?
String
(
value
)
:
'null'
;
case
'boolean'
:
case
'null'
:
// If the value is a boolean or null, convert it to a string. Note:
// typeof null does not produce 'null'. The case is included here in
// the remote chance that this gets fixed someday.
return
String
(
value
)
;
// If the type is 'object', we might be dealing with an object or an array or
// null.
case
'object'
:
// Due to a specification blunder in ECMAScript, typeof null is 'object',
// so watch out for that case.
if
(
!
value
)
{
return
'null'
;
}
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