Jasmine will call toString() if available to print an object.

spec/spec-helper.coffee

@@ -20,6 +20,13 @@ window.atom = new (require 'app')
 # Use underscore's definition of equality for toEqual assertions
 jasmine.Env.prototype.equals_ = _.isEqual
 
+emitObject = jasmine.StringPrettyPrinter.prototype.emitObject
+jasmine.StringPrettyPrinter.prototype.emitObject = (obj) ->
+  if obj.toString
+    @append obj.toString()
+  else
+    emitObject.call(this, obj)
+
 eventPropertiesFromPattern = (pattern) ->
   bindingSet = new BindingSet("*", {})
   parsedPattern = bindingSet.parseKeyPattern(pattern)

src/atom/point.coffee

@@ -19,6 +19,9 @@ class Point
     else
       @row == other.row and @column == other.column
 
+  toString: ->
+    "(#{@row}, #{@column})"
+
   compare: (other) ->
     if @row > other.row
       1

src/atom/range.coffee

@@ -13,6 +13,9 @@ class Range
       @start = pointB
       @end = pointA
 
+  toString: ->
+    "[#{@start.toString()} - #{@end.toString()}]"
+
   isEmpty: ->
     @start.isEqual(@end)