refactoring: add more test cases

test/test_StringManipulation.c

@@ -7,15 +7,47 @@
 
 void test_power()
 {
-	/*initializing test values*/
-	int testValues[] = {1,2,3,4,5,6,7,8,9};
-	int expectedValues[] = {1,4,9,16,25,36,49,64,81};
+	
+	/*test block 1*/
+	int testValues[] = {1,2,3,4,5,6,7,8,9,10};
+	int expectedValues[] = {1,4,9,16,25,36,49,64,81,100};
 	int length = sizeof(testValues)/sizeof(int);
-	/*assertions*/
 	const int exponent = 2;
 	for(int i=0;i<length;++i){
 		TEST_ASSERT_EQUAL_INT(expectedValues[i], power(testValues[i],exponent));	
 	}	
+
+	/*test block 2*/
+	int testValues_2[] = {11,12,13,14,15,16,17,18,19,20};
+	int expectedValues_2[] = {121,144,169,196,225,256,289,324,361,400};
+	length = sizeof(testValues_2)/sizeof(int);
+	for(int i=0;i<length;++i){
+		TEST_ASSERT_EQUAL_INT(expectedValues_2[i],power(testValues_2[i],exponent));
+	}
+	
+	/*test block 3*/
+	int testValues_3[] = {1,2,3,4,5,6,7,8,9,10};
+	int expectedValues_3[] = {1,8,27,64,125,216,343,512,729,1000};
+	const int exponent_2 = 3;
+	length = sizeof(testValues_3)/sizeof(int);
+	for(int i=0;i<length;++i){
+		TEST_ASSERT_EQUAL_INT(expectedValues_3[i],power(testValues_3[i],exponent_2));
+	}
+	/*test block 4*/
+	int testValues_4[] = {11,12,13,14,15,16,17,18,19,20};
+	int expectedValues_4[] = {1331,1728,2197,2744,3375,4096,4913,5832,6859,8000};
+	length = sizeof(testValues_4)/sizeof(int);
+	for(int i=0;i<length;++i){
+		TEST_ASSERT_EQUAL_INT(expectedValues_4[i],power(testValues_4[i],exponent_2));	
+	}
+	/*test block 5*/
+	int testValues_5[] = {0,0,19,2,4,5,11,54,32,12,77};
+	int exponents[] = {0,1,2,7,4,2,0,1,2,4,2};
+	int expectedValues_5[] = {-1, 1, 361,128,256,25,1,54,1024,20736,5929};
+	length = sizeof(testValues_5)/sizeof(int);
+	for(int i=0;i<length;++i){
+		TEST_ASSERT_EQUAL_INT(expectedValues_5[i], power(testValues_5[i],exponents[i]));
+	}
 }
 
 void test_to_string()