completed test

TestAssessment/TestViewController.m

@@ -19,57 +19,78 @@ @implementation TestViewController
     This method should return any negative NSInteger
     (hint: cannot be 0)
  */
-- (void)shouldReturnANegativeNSInteger {
-
+- (NSInteger)shouldReturnANegativeNSInteger {
+    return -1;
 }
 
 /*
     This method should return any positive CGFloat
     (hint: cannot be 0)
  */
-- (void)shouldReturnAPositiveCGFloat {
-
+- (CGFloat)shouldReturnAPositiveCGFloat {
+    return 2;
 }
 
 /*
     This method should return a truthy boolean
     Truthy: Something which evaluates to TRUE.
  */
-- (void)shouldReturnAPositiveBool {
-
+- (BOOL)shouldReturnAPositiveBool {
+    return YES;
 }
 
 /*
     This method should return any single char from c - l
  */
-- (void)shouldReturnACharCtoL {
-
+- (char)shouldReturnACharCtoL {
+    return 'c';
 }
 
 /*
-    This method should return the product of all numbers from
+    This method should return the sum of all numbers from
     0 - 1000 using a loop (eg. 1 + 2 + 3 + ... + 998 + 999)
  */
 - (NSInteger)shouldReturnSumOf0To1000 {
-    return 0;
+
+    NSInteger sum = 0;
+    for (int i = 0; i <= 1000; i++)
+        sum = sum + i;
+
+    return sum;
 }
 
 /*
     Given a c array (int[]) and a count, return the average of the numbers within the arr
     (hint: average = sum / number of elements)
  */
 - (NSInteger)shouldReturnAverageOfArrayValues :(int *)arr
-                                 withSize:(int)count {
-    return 0;
+                                     withSize:(int)count {
+
+    int sum = 0;
+
+    for (int i = 0; i < count; i++) {
+        sum += arr[i];
+
+    }
+    return sum / count;
 }
 
+
 /*
     Provided a C string (array of chars), return the character
     that immediately succeed the letter g
     (ex. "aionkljajvglkjaml" would return the letter 'l')
     (hint: assume there will be a char after g)
  */
 - (char)shouldReturnCharAfterG:(char *)str {
+
+    for (int i = 0; i < strlen(str); i++) {
+        printf("%c", str[i]);
+        if (str[i] == 'g') {
+            return str[i + 1];
+        }
+    }
+
     return '\0';
 }
 
@@ -79,29 +100,36 @@ - (char)shouldReturnCharAfterG:(char *)str {
  */
 - (NSInteger)productOfAnInteger:(NSInteger)aNumber
               andAnotherInteger:(NSInteger)bNumber {
-    return 0.0;
+
+    return aNumber * bNumber;
 }
 
-
 /*
     This method should return a YES if aNumber is Even
  */
 - (BOOL)isEven:(NSInteger)aNumber {
+    if (aNumber % 2 == 0) {
+        return YES;
+    }
     return NO;
 }
 
 /*
     This method should return YES if aNumber is a multiple of 10
  */
 - (BOOL)isMultipleOfTen:(NSInteger)aNumber {
-    return NO;
+
+    return aNumber % 10 == 0;
 }
 
 /*
     This method should return YES is aNumber is odd and bNumber is even
  */
 - (BOOL)returnYesIfThisNumberIsOdd:(NSInteger)aNumber
                andThisNumberIsEven:(NSInteger)bNumber {
+    if (aNumber % 2 != 0 && bNumber % 2 == 0) {
+        return YES;
+    }
     return NO;
 }
 
@@ -110,21 +138,26 @@ - (BOOL)returnYesIfThisNumberIsOdd:(NSInteger)aNumber
     (hint: command + click on the class name to see what methods are available)
  */
 - (NSString *)shouldReturnCarModel:(Car *)car {
-    return @"";
+    return [car model];
 }
 
 /*
     This method should change the model of the car to "Firebird"
  */
+
 - (void)changeCarModelToFirebird:(Car *)car {
+
+     [car setModel:@"Firebird"];
 }
 
+
 /*
     This method should ask the car to drive 4 miles and then return
     the car's current fuel level
  */
 - (CGFloat)tellCarToDrive4MilesAndReturnFuelLevel:(Car *)car {
-    return 0.0;
+    [car drive: 4];
+    return [car fuelLevel];
 }
 
 /*
@@ -134,12 +167,29 @@ - (CGFloat)tellCarToDrive4MilesAndReturnFuelLevel:(Car *)car {
     3) Drive the car 6 miles
     4) Return the car
  */
+
 - (Car *)createAndReturnANewCar {
-    return [[Car alloc] init];
+
+    Car *myCar = [[Car alloc] init];
+
+    [myCar setModel: @"Honda Pilot"];
+    [myCar drive: 6];
+
+    return myCar;
+
 }
 
 - (int)returnSumOfAllItemsGreaterThan100:(int *)arr withSize:(int)size {
-    return 0;
+
+    int sum = 0;
+
+    for (int i = 0; i < size; i ++) {
+        if (arr[i] > 100 ) {
+         sum += arr[i];
+        }
+    }
+    return sum;
+
 }
 
 @end