regexp-examples_spec.rb in regexp-examples-0.5.4

- old
+ new

@@ -126,10 +126,17 @@
         /(a|(b)) \2/,
         /([ab]){2} \1/ # \1 should always be the LAST result of the capture group
       )
     end
 
+    context "for escaped octal characters" do
+      examples_exist_and_match(
+        /\10\20\30\40\50/,
+        /\177123/ # Should work for numbers up to 177
+      )
+    end
+
     context "for complex patterns" do
       # Longer combinations of the above
       examples_exist_and_match(
         /https?:\/\/(www\.)github\.com/,
         /(I(N(C(E(P(T(I(O(N)))))))))*/,
@@ -238,9 +245,16 @@
         it { expect(/(a|b){2}/.examples).to eq ["aa", "ab", "ba", "bb"] }
         it { expect(/a+|b?/.examples).to eq ["a", "aa", "aaa", "", "b"] }
 
         # a{1}? should be equivalent to (?:a{1})?, i.e. NOT a "non-greedy quantifier"
         it { expect(/a{1}?/.examples).to eq ["", "a"] }
+      end
+
+      context "backreferences and escaped octal combined" do
+        it do
+          expect(/(a)(b)(c)(d)(e)(f)(g)(h)(i)(j)? \10\9\8\7\6\5\4\3\2\1/.examples)
+            .to eq ["abcdefghi \x08ihgfedcba", "abcdefghij jihgfedcba"]
+        end
       end
 
       context "max_repeater_variance config option" do
         it do
           expect(/a+/.examples(max_repeater_variance: 5))