Algos: add toLower tests (#1136)

cabinpkg · Jan 31, 2025 · fe4a3e1 · fe4a3e1
1 parent e880e72
commit fe4a3e1
Showing 1 changed file with 23 additions and 0 deletions.
diff --git a/src/Algos.cc b/src/Algos.cc
@@ -106,6 +106,28 @@ namespace tests {
 using namespace cabin;  // NOLINT(build/namespaces,google-build-using-namespace)
 using std::string_view_literals::operator""sv;
 
+static void
+testToLower() {
+  static_assert(toLower('A') == 'a');
+  static_assert(toLower('Z') == 'z');
+  static_assert(toLower('M') == 'm');
+
+  static_assert(toLower('a') == 'a');
+  static_assert(toLower('z') == 'z');
+
+  static_assert(toLower('@') == '@');
+  static_assert(toLower('[') == '[');
+
+  static_assert(toLower('0') == '0');
+  static_assert(toLower('9') == '9');
+
+  static_assert(toLower('!') == '!');
+  static_assert(toLower(' ') == ' ');
+  static_assert(toLower('~') == '~');
+
+  pass();
+}
+
 static void
 testLevDistance() {
   // Test bytelength agnosticity
@@ -188,6 +210,7 @@ testFindSimilarStr2() {
 
 int
 main() {
+  tests::testToLower();
   tests::testLevDistance();
   tests::testLevDistance2();
   tests::testFindSimilarStr();