diff --git a/tests/core/pistringTest.cpp b/tests/core/pistringTest.cpp
index 70c8414b..3702520b 100644
--- a/tests/core/pistringTest.cpp
+++ b/tests/core/pistringTest.cpp
@@ -335,3 +335,62 @@ TEST(PIString_Tests, operator_less_cstring_false_equal){
 	ASSERT_FALSE(str1 < str2);
 }
 
+TEST(PIString_Tests, operator_more_pistring_true){
+	PIString str1 = "testin";
+	PIString str2 = "testing";
+	ASSERT_TRUE(str2 > str1);
+}
+
+TEST(PIString_Tests, operator_more_pistring_false){
+	PIString str1 = "testing";
+	PIString str2 = "testin";
+	ASSERT_FALSE(str2 > str1);
+}
+
+TEST(PIString_Tests, operator_more_pistring_false_equal){
+	PIString str1 = "testing";
+	PIString str2 = "testing";
+	ASSERT_FALSE(str1 > str2);
+}
+
+TEST(PIString_Tests, operator_more_pichar_true){
+	PIString str1 = "t";
+	PIChar str2 = "a";
+	ASSERT_TRUE(str1 > str2);
+}
+
+TEST(PIString_Tests, operator_more_pichar_false){
+	PIString str1 = "a";
+	PIChar str2 = "t";
+	ASSERT_FALSE(str1 > str2);
+}
+
+TEST(PIString_Tests, operator_more_pichar_false_equal){
+	PIString str1 = "t";
+	PIChar str2 = "t";
+	ASSERT_FALSE(str1 > str2);
+}
+
+TEST(PIString_Tests, operator_more_cstring_true){
+	PIString str1 = "t";
+	char str2[] = "a";
+	ASSERT_TRUE(str1 > str2);
+}
+
+TEST(PIString_Tests, operator_more_cstring_false){
+	PIString str1 = "a";
+	char str2[] = "t";
+	ASSERT_FALSE(str1 > str2);
+}
+
+TEST(PIString_Tests, operator_more_cstring_false_equal){
+	PIString str1 = "t";
+	char str2[] = "t";
+	ASSERT_FALSE(str1 > str2);
+}
+
+TEST(PIString_Tests, operator_less_eq_pistring_true){
+	PIString str1 = "testin";
+	PIString str2 = "testing";
+	ASSERT_TRUE(str1 <= str2);
+}