add more tests for ruby highlighting

lib/ace/mode/_test/text_ruby.txt

@@ -12,4 +12,23 @@
  #test: float tokenizer
     [1, +1, -1, 12_345, 0.000_1,
     _, 3_1, 1_2, 1_.0, 0._1];
- 
+ 
+{:id => 34, :key => "value"}
+
+=begin
+=end
+
+=begin x
+=end-
+=end   x
+
+    herDocs = [<<'FOO', <<BAR, <<-BAZ, <<-`EXEC`] #comment
+  FOO #{literal}
+FOO
+  BAR #{fact(10)}
+BAR
+  BAZ indented
+    BAZ
+        echo hi
+    EXEC
+puts herDocs

lib/ace/mode/_test/tokens_ruby.json

@@ -132,4 +132,101 @@
 ],[
    "start",
   ["text"," "]
+],[
+   "start",
+  ["paren.lparen","{"],
+  ["constant.other.symbol.ruby",":id"],
+  ["text"," "],
+  ["punctuation.separator.key-value","=>"],
+  ["text"," "],
+  ["constant.numeric","34"],
+  ["text",", "],
+  ["constant.other.symbol.ruby",":key"],
+  ["text"," "],
+  ["punctuation.separator.key-value","=>"],
+  ["text"," "],
+  ["string","\"value\""],
+  ["paren.rparen","}"]
+],[
+   "start"
+],[
+   "comment",
+  ["comment","=begin"]
+],[
+   "start",
+  ["comment","=end"]
+],[
+   "start"
+],[
+   "comment",
+  ["comment","=begin x"]
+],[
+   "comment",
+  ["comment","=end-"]
+],[
+   "start",
+  ["comment","=end   x"]
+],[
+   "start"
+],[
+   ["heredoc","FOO","heredoc","BAR","indentedHeredoc","BAZ","indentedHeredoc","EXEC"],
+  ["text","    "],
+  ["identifier","herDocs"],
+  ["text"," "],
+  ["keyword.operator","="],
+  ["text"," "],
+  ["paren.lparen","["],
+  ["constant","<<"],
+  ["string","'"],
+  ["support.class","FOO"],
+  ["string","'"],
+  ["text",", "],
+  ["constant","<<"],
+  ["string",""],
+  ["support.class","BAR"],
+  ["string",""],
+  ["text",", "],
+  ["constant","<<-"],
+  ["string",""],
+  ["support.class","BAZ"],
+  ["string",""],
+  ["text",", "],
+  ["constant","<<-"],
+  ["string","`"],
+  ["support.class","EXEC"],
+  ["string","`"],
+  ["paren.rparen","]"],
+  ["text"," "],
+  ["comment","#comment"]
+],[
+   ["heredoc","FOO","heredoc","BAR","indentedHeredoc","BAZ","indentedHeredoc","EXEC"],
+  ["string","  FOO #{literal}"]
+],[
+   ["heredoc","BAR","indentedHeredoc","BAZ","indentedHeredoc","EXEC"],
+  ["support.class","FOO"]
+],[
+   ["heredoc","BAR","indentedHeredoc","BAZ","indentedHeredoc","EXEC"],
+  ["string","  BAR #{fact(10)}"]
+],[
+   ["indentedHeredoc","BAZ","indentedHeredoc","EXEC"],
+  ["support.class","BAR"]
+],[
+   ["indentedHeredoc","BAZ","indentedHeredoc","EXEC"],
+  ["string","  BAZ indented"]
+],[
+   ["indentedHeredoc","EXEC"],
+  ["string","    "],
+  ["support.class","BAZ"]
+],[
+   ["indentedHeredoc","EXEC"],
+  ["string","        echo hi"]
+],[
+   "start",
+  ["string","    "],
+  ["support.class","EXEC"]
+],[
+   "start",
+  ["support.function","puts"],
+  ["text"," "],
+  ["identifier","herDocs"]
 ]]

lib/ace/mode/ruby_highlight_rules.js

@@ -134,7 +134,7 @@ var RubyHighlightRules = function() {
                 regex : "#.*$"
             }, {
                 token : "comment", // multi line comment
-                regex : "^=begin\\s",
+                regex : "^=begin(?:$|\\s.*$)",
                 next : "comment"
             }, {
                 token : "string.regexp",
@@ -231,7 +231,7 @@ var RubyHighlightRules = function() {
         "comment" : [
             {
                 token : "comment", // closing comment
-                regex : "^=end\\s.*$",
+                regex : "^=end(?:$|\\s.*$)",
                 next : "start"
             }, {
                 token : "comment", // comment spanning whole line