Add all remaining Struct specs from rubyspec

Author: adambeynon

opal/corelib/struct.rb

@@ -136,4 +136,6 @@ def inspect
 
     result
   end
+
+  alias to_s inspect
 end

spec/opal/filters/bugs/struct.rb

@@ -2,8 +2,28 @@
   fails "Struct#[] fails when it does not know about the requested attribute"
   fails "Struct#[] fails if not passed a string, symbol, or integer"
 
+  fails "Struct#[]= fails when trying to assign attributes which don't exist"
+
+  fails "Struct#== returns true if the other has all the same fields"
+  fails "Struct#== handles recursive structures by returning false if a difference can be found "
+
+  fails "Struct#eql? returns false if any corresponding elements are not #eql?"
+  fails "Struct#eql? handles recursive structures by returning false if a difference can be found "
+
+  fails "Struct#hash returns the same fixnum for structs with the same content"
+  fails "Struct#hash returns the same value if structs are #eql?"
+  fails "Struct#hash returns the same hash for recursive structs"
+
+  fails "Struct#to_h returns a Hash with members as keys"
+  fails "Struct#to_h returns a Hash that is independent from the struct"
+
   fails "Struct#initialize can be overriden"
 
+  fails "Struct#inspect returns a string representation of some kind"
+
+  fails "Struct#instance_variables returns an array with one name if an instance variable is added"
+  fails "Struct#instance_variables returns an empty array if only attributes are defined"
+
   fails "Struct.new fails with too many arguments"
   fails "Struct.new creates a constant in subclass' namespace"
   fails "Struct.new raises a TypeError if object is not a Symbol"
@@ -12,4 +32,9 @@
   fails "Struct.new does not create a constant with symbol as first argument"
   fails "Struct.new creates a new anonymous class with nil first argument"
   fails "Struct.new calls to_str on its first argument (constant name)"
+
+  fails "Struct#values_at fails when passed unsupported types"
+  fails "Struct#values_at returns an array of values"
+
+  fails "Struct anonymous class instance methods Enumerable methods should work"
 end

spec/opal/rubyspecs

@@ -320,8 +320,25 @@ core/symbol/to_proc_spec
 core/struct/each_pair_spec
 core/struct/each_spec
 core/struct/element_reference_spec
+core/struct/element_set_spec
+core/struct/eql_spec
+core/struct/equal_value_spec
+core/struct/hash_spec
+core/struct/initialize_copy_spec
 core/struct/initialize_spec
+core/struct/inspect_spec
+core/struct/instance_variables_spec
+core/struct/length_spec
+core/struct/members_spec
 core/struct/new_spec
+core/struct/select_spec
+core/struct/size_spec
+core/struct/struct_spec
+core/struct/to_a_spec
+core/struct/to_h_spec
+core/struct/to_s_spec
+core/struct/values_at_spec
+core/struct/values_spec
 
 core/class/new_spec