1 files changed, 23 insertions, 0 deletions
diff --git a/test/unittest_core.cxx b/test/unittest_core.cxx
index 7e6699956..30def3782 100644
--- a/test/unittest_core.cxx
+++ b/test/unittest_core.cxx
@@ -193,6 +193,29 @@ TEST(Fl_String, Non-Member Functions) {
   return true;
 }
 
+/* Test additions to Fl_Preferences. */
+TEST(Fl_Preferences, Strings) {
+  {
+    Fl_Preferences prefs(Fl_Preferences::USER_L, "fltk.org", "unittests");
+    prefs.set("a", Fl_String());
+    prefs.set("b", Fl_String("Hello"));
+    prefs.set("c", Fl_String("Hel\\l\nö"));
+  }
+  {
+    Fl_Preferences prefs(Fl_Preferences::USER_L, "fltk.org", "unittests");
+    Fl_String r;
+    prefs.get("a", r, "x");
+    EXPECT_STREQ(r.c_str(), "");
+    prefs.get("b", r, "x");
+    EXPECT_STREQ(r.c_str(), "Hello");
+    prefs.get("c", r, "x");
+    EXPECT_STREQ(r.c_str(), "Hel\\l\nö");
+    prefs.get("d", r, "x");
+    EXPECT_STREQ(r.c_str(), "x");
+  }
+  return true;
+}
+
 //
 //------- test aspects of the FLTK core library ----------
 //