Lexing of CSS axes with surrounding whitespace.

lib/oga/css/lexer.rl

@@ -183,9 +183,9 @@ module Oga
         op_ends_with   = '$=';
         op_in          = '*=';
         op_hyphen_in   = '|=';
-        op_child       = '>';
+        op_child       = whitespace* '>' whitespace*;
-        op_fol_direct  = '+';
+        op_fol_direct  = whitespace* '+' whitespace*;
-        op_fol         = '~';
+        op_fol         = whitespace* '~' whitespace*;
 
         # Numbers
         #

spec/oga/css/lexer/axes_spec.rb

@@ -0,0 +1,29 @@
+require 'spec_helper'
+
+describe Oga::CSS::Lexer do
+  context 'axes' do
+    example 'lex the > axis' do
+      lex_css('>').should == [[:T_CHILD, nil]]
+    end
+
+    example 'lex the > axis with surrounding whitespace' do
+      lex_css('>').should == [[:T_CHILD, nil]]
+    end
+
+    example 'lex the + axis' do
+      lex_css('+').should == [[:T_FOLLOWING_DIRECT, nil]]
+    end
+
+    example 'lex the + axis with surrounding whitespace' do
+      lex_css(' + ').should == [[:T_FOLLOWING_DIRECT, nil]]
+    end
+
+    example 'lex the ~ axis' do
+      lex_css('~').should == [[:T_FOLLOWING, nil]]
+    end
+
+    example 'lex the ~ axis with surrounding whitespace' do
+      lex_css(' ~ ').should == [[:T_FOLLOWING, nil]]
+    end
+  end
+end

spec/oga/css/lexer/operators_spec.rb

@@ -33,17 +33,5 @@ describe Oga::CSS::Lexer do
     example 'lex the |= operator' do
       lex_css('|=').should == [[:T_HYPHEN_IN, nil]]
     end
-
-    example 'lex the > operator' do
-      lex_css('>').should == [[:T_CHILD, nil]]
-    end
-
-    example 'lex the + operator' do
-      lex_css('+').should == [[:T_FOLLOWING_DIRECT, nil]]
-    end
-
-    example 'lex the ~ operator' do
-      lex_css('~').should == [[:T_FOLLOWING, nil]]
-    end
   end
 end