changed occurrences of deepEqual to new, self-defined arrayEqual for

recursively walking arrays and testing if their values are equal

Cakefile

@@ -169,6 +169,21 @@ runTests = (CoffeeScript) ->
       e.source  = fn.toString() if fn.toString?
       failures.push file: currentFile, error: e
 
+  # A recursive equality helper
+  arrayEq = (a, b) ->
+    if a is b
+      # 0 isnt -0
+      a isnt 0 or 1/a is 1/b
+    else if a instanceof Array and b instanceof Array
+      return no unless a.length is b.length
+      return no for el, idx in a when not arrayEq el, b[idx]
+      yes
+    else
+      # NaN is NaN
+      a isnt a and b isnt b
+
+  global.arrayEqual = (a, b, msg) -> ok arrayEq(a,b), msg
+
   # When all the tests have run, collect and print errors.
   # If a stacktrace is available, output the compiled function source.
   process.on 'exit', ->

test/arguments.coffee

@@ -43,10 +43,10 @@ test "reference `arguments` inside of functions", ->
 #### Parameter List Features
 
 test "splats", ->
-  deepEqual [0, 1, 2], (((splat...) -> splat) 0, 1, 2)
-  deepEqual [2, 3], (((_, _, splat...) -> splat) 0, 1, 2, 3)
-  deepEqual [0, 1], (((splat..., _, _) -> splat) 0, 1, 2, 3)
-  deepEqual [2], (((_, _, splat..., _) -> splat) 0, 1, 2, 3)
+  arrayEqual [0, 1, 2], (((splat...) -> splat) 0, 1, 2)
+  arrayEqual [2, 3], (((_, _, splat...) -> splat) 0, 1, 2, 3)
+  arrayEqual [0, 1], (((splat..., _, _) -> splat) 0, 1, 2, 3)
+  arrayEqual [2], (((_, _, splat..., _) -> splat) 0, 1, 2, 3)
 
 test "@-parameters: automatically assign an argument's value to a property of the context", ->
   nonce = {}

test/helpers.coffee

@@ -32,7 +32,7 @@ test "the `ends` helper can take an optional offset", ->
 test "the `compact` helper removes falsey values from an array, preserves truthy ones", ->
   allValues = [1, 0, false, obj={}, [], '', ' ', -1, null, undefined, true]
   truthyValues = [1, obj, [], ' ', -1, true]
-  deepEqual truthyValues, compact(allValues)
+  arrayEqual truthyValues, compact(allValues)
 
 
 #### `count`

test/test.html

@@ -34,27 +34,30 @@ <h1>CoffeeScript Test Suite</h1>
     stdout.appendChild div
     msg
 
-  this.test = (desc, fn) ->
+  @test = (desc, fn) ->
     fn()
 
-  this.ok = (good, msg) ->
+  @ok = (good, msg) ->
     ++total
     if good then ++success else throw Error say msg
 
-  this.eq = (x, y, msg) -> ok x is y, msg ? x + ' !== ' + y
+  @eq = (x, y, msg) -> ok x is y, msg ? x + ' !== ' + y
 
-  this.deepEqual = (a, b, msg) -> ok deepEq(a,b), msg
-
-  deepEq = (a, b) ->
-    if a instanceof Array and b instanceof Array
-      success = yes
-      success and= deepEq(a[prop],b[prop]) for prop in a
-      success and= deepEq(a[prop],b[prop]) for prop in b when prop not in a
-      success
+  arrayEq = (a, b) ->
+    if a is b
+      # 0 isnt -0
+      a isnt 0 or 1/a is 1/b
+    else if a instanceof Array and b instanceof Array
+      return no unless a.length is b.length
+      return no for el, idx in a when not arrayEq el, b[idx]
+      yes
     else
-      `a == b`
+      # NaN is NaN
+      a isnt a and b isnt b
+
+  @arrayEqual = (a, b, msg) -> ok arrayEq(a,b), msg
 
-  this.throws = (fun, err, msg) ->
+  @throws = (fun, err, msg) ->
     try fun(); throw new String 'No Error'
     catch e then eq e, err