diff --git a/TinySTL/Test/SuffixArrayTest.cpp b/TinySTL/Test/SuffixArrayTest.cpp
index 2d94828..a3ae8e8 100644
--- a/TinySTL/Test/SuffixArrayTest.cpp
+++ b/TinySTL/Test/SuffixArrayTest.cpp
@@ -2,20 +2,29 @@
 
 namespace TinySTL{
 	namespace SuffixArrayTest{
-		void testCase1(){
+		void testCase(){
 			char arr[] = { 'a', 'a', 'b', 'a', 'a', 'a', 'a', 'b' };
 
 			TinySTL::suffix_array sa(arr, 8);
-			auto v = sa.suffixArray();
-			auto t = std::vector<int> {3, 4, 5, 0, 6, 1, 7, 2};
-			assert(TinySTL::Test::container_equal(v, t));
+			auto sa1 = sa.suffixArray();
+			auto sa2 = TinySTL::suffix_array::array_type{3, 4, 5, 0, 6, 1, 7, 2};
+			assert(TinySTL::Test::container_equal(sa1, sa2));
+
+			auto ra1 = sa.rankArray();
+			auto ra2 = TinySTL::suffix_array::array_type{ 3, 5, 7, 0, 1, 2, 4, 6 };
+			assert(TinySTL::Test::container_equal(ra1, ra2));
+
+			auto ha1 = sa.heightArray();
+			auto ha2 = TinySTL::suffix_array::array_type{ 3, 2, 3, 1, 2, 0, 1 };
+			assert(TinySTL::Test::container_equal(ha1, ha2));
 		}
 	}
 }
 
 using namespace TinySTL::SuffixArrayTest;
 int main(){
-	testCase1();
+	testCase();
+
 	system("pause");
 	return 0;
 }
\ No newline at end of file
diff --git a/TinySTL/Test/SuffixArrayTest.h b/TinySTL/Test/SuffixArrayTest.h
index d7e5001..e6ff62b 100644
--- a/TinySTL/Test/SuffixArrayTest.h
+++ b/TinySTL/Test/SuffixArrayTest.h
@@ -9,7 +9,7 @@
 
 namespace TinySTL{
 	namespace SuffixArrayTest{
-
+		void testCase();
 	}
 }