Add Time#asctime/#ctime with specs

Author: adambeynon

opal/corelib/time.rb

@@ -150,6 +150,12 @@ def ==(other)
     `#{to_f} === #{other.to_f}`
   end
 
+  def asctime
+    strftime '%a %b %e %H:%M:%S %Y'
+  end
+
+  alias ctime asctime
+
   def day
     `self.getDate()`
   end
@@ -236,6 +242,10 @@ def zone
     }
   end
 
+  def gmt?
+    `self.tz_offset == 0`
+  end
+
   def gmt_offset
     `-self.getTimezoneOffset() * 60`
   end
@@ -494,9 +504,7 @@ def tuesday?
     `self.getDay() === 2`
   end
 
-  def utc?
-    `self.tz_offset == 0`
-  end
+  alias utc? gmt?
 
   def utc_offset
     `self.getTimezoneOffset() * -60`

spec/opal/filters/bugs/time.rb

@@ -23,6 +23,14 @@
   fails "Time.gm creates a time based on given C-style gmtime arguments, interpreted as UTC (GMT)"
   fails "Time.gm creates a time based on given values, interpreted as UTC (GMT)"
 
+  fails "Time#gmt_offset given negative offset returns a negative offset"
+  fails "Time#gmt_offset given positive offset returns a positive offset"
+  fails "Time#gmt_offset returns offset as Rational"
+  fails "Time#gmt_offset returns the correct offset for New Zealand around daylight savings time change"
+  fails "Time#gmt_offset returns the correct offset for Hawaii around daylight savings time change"
+  fails "Time#gmt_offset returns the correct offset for US Eastern time zone around daylight savings time change"
+  fails "Time#gmt_offset returns the offset in seconds between the timezone of time and UTC"
+
   fails "Time.local ignores fractional seconds if a passed fractional number of microseconds"
   fails "Time.local ignores fractional seconds if a passed whole number of microseconds"
   fails "Time.local handles fractional microseconds as a Rational"

spec/opal/rubyspecs

@@ -322,10 +322,13 @@ core/struct/new_spec
 
 core/class/new_spec
 
+core/time/asctime_spec
+core/time/ctime_spec
 core/time/day_spec
 core/time/eql_spec
 core/time/friday_spec
 core/time/gm_spec
+core/time/gmt_offset_spec
 core/time/hour_spec
 core/time/inspect_spec
 core/time/local_spec