Anagram - update tests to specification version 1.5.0 (#297)

Adds two test cases for differently cased words.

Author: marko213

exercises/anagram/anagram_test.cpp

@@ -3,7 +3,7 @@
 
 using namespace std;
 
-// Anagram exercise test case data version 1.4.0
+// Anagram exercise test case data version 1.5.0
 
 TEST_CASE("no_matches")
 {
@@ -59,6 +59,15 @@ TEST_CASE("detects_three_anagrams")
     REQUIRE(expected == matches);
 }
 
+TEST_CASE("detects_multiple_anagrams_with_different_case")
+{
+    auto subject = anagram::anagram("nose");
+    auto matches = subject.matches({"Eons", "ONES"});
+    vector<string> expected{"Eons", "ONES"};
+
+    REQUIRE(expected == matches);
+}
+
 TEST_CASE("does_not_detect_non_anagrams_with_identical_checksum")
 {
     auto subject = anagram::anagram("mass");
@@ -121,4 +130,13 @@ TEST_CASE("words_are_not_anagrams_of_themselves_case_insensitive")
 
     REQUIRE(expected == matches);
 }
+
+TEST_CASE("words_other_than_themselves_can_be_anagrams")
+{
+    auto subject = anagram::anagram("LISTEN");
+    auto matches = subject.matches({"Listen", "Silent", "LISTEN"});
+    vector<string> expected{"Silent"};
+
+    REQUIRE(expected == matches);
+}
 #endif