diff --git a/tests/core/pistringTest.cpp b/tests/core/pistringTest.cpp
index 39652773..8d4f3a98 100644
--- a/tests/core/pistringTest.cpp
+++ b/tests/core/pistringTest.cpp
@@ -209,8 +209,68 @@ TEST(PIString_Tests, operator_symbol){
 	ASSERT_EQ(symbo, str1[4]);
 }
 
-TEST(PIString_Tests, operator_compare_pistring_true){
+TEST(PIString_Tests, operator_equal_pistring_true){
 	PIString str1 = "testing";
 	PIString str2 = "testing";
 	ASSERT_TRUE(str1 == str2);
 }
+
+TEST(PIString_Tests, operator_equal_pistring_false){
+	PIString str1 = "tes";
+	PIString str2 = "testing";
+	ASSERT_FALSE(str1 == str2);
+}
+
+TEST(PIString_Tests, operator_equal_pichar_true){
+	PIString str1 = "t";
+	PIChar str2 = "t";
+	ASSERT_TRUE(str1 == str2);
+}
+
+TEST(PIString_Tests, operator_equal_pichar_false){
+	PIString str1 = "t";
+	PIChar str2 = "p";
+	ASSERT_FALSE(str1 == str2);
+}
+
+TEST(PIString_Tests, operator_equal_cstring_true){
+	PIString str1 = "test";
+	char str2[] = "test";
+	ASSERT_TRUE(str1 == str2);
+}
+
+TEST(PIString_Tests, operator_equal_cstring_false){
+	PIString str1 = "t";
+	char str2[] = "test";
+	ASSERT_FALSE(str1 == str2);
+}
+
+TEST(PIString_Tests, operator_not_equal_pistring_false){
+	PIString str1 = "testing";
+	PIString str2 = "testing";
+	ASSERT_FALSE(str1 != str2);
+}
+
+TEST(PIString_Tests, operator_not_equal_pistring_true){
+	PIString str1 = "tes";
+	PIString str2 = "testing";
+	ASSERT_TRUE(str1 != str2);
+}
+
+TEST(PIString_Tests, operator_not_equal_pichar_false){
+	PIString str1 = "t";
+	PIChar str2 = "t";
+	ASSERT_FALSE(str1 != str2);
+}
+
+TEST(PIString_Tests, operator_not_equal_pichar_true){
+	PIString str1 = "t";
+	PIChar str2 = "p";
+	ASSERT_TRUE(str1 != str2);
+}
+
+TEST(PIString_Tests, operator_not_equal_cstring_false){
+	PIString str1 = "test";
+	char str2[] = "test";
+	ASSERT_FALSE(str1 != str2);
+}