Add assignment 2

src/assignments/assignment02_grade.rs

@@ -1,4 +1,168 @@
 #[cfg(test)]
 mod test {
     use super::super::assignment02::*;
+
+    #[test]
+    fn test_farenheit() {
+        assert_eq!(farhenheit_to_celcius(32.0), 0.0);
+        assert_eq!(farhenheit_to_celcius(212.0), 100.0);
+    }
+
+    #[test]
+    fn test_capitalize() {
+        assert_eq!(
+            capitalize(String::from("aAbbBcccCddddD❤한글과✓")),
+            String::from("AABBBCCCCDDDDD❤한글과✓"),
+        );
+    }
+
+    #[test]
+    fn test_up3() {
+        assert_eq!(up3(6), 9);
+        assert_eq!(up3(9), 9);
+        assert_eq!(up3(10), 27);
+        assert_eq!(up3(1_000_000), 1_594_323);
+    }
+
+    #[test]
+    fn test_sum_array() {
+        assert_eq!(sum_array(&[1, 2, 3, 4, 5, 100]), 115);
+    }
+
+    #[test]
+    fn test_chooses() {
+        assert_eq!(chooses(5), vec![1, 5, 10, 10, 5, 1]);
+        assert_eq!(chooses(6), vec![1, 6, 15, 20, 15, 6, 1]);
+    }
+
+    #[test]
+    fn test_zip() {
+        assert_eq!(zip(vec![1, 2], vec![4, 5]), vec![(1, 4), (2, 5)]);
+        assert_eq!(zip(vec![1, 2, 3], vec![4, 5]), vec![(1, 4), (2, 5)]);
+        assert_eq!(zip(vec![1, 2], vec![4, 5, 6]), vec![(1, 4), (2, 5)]);
+        assert_eq!(zip(vec![], vec![4, 5]), vec![]);
+    }
+
+    #[test]
+    fn test_fibonacci() {
+        assert_eq!(fibonacci(0), 1);
+        assert_eq!(fibonacci(1), 1);
+        assert_eq!(fibonacci(2), 2);
+        assert_eq!(fibonacci(3), 3);
+        assert_eq!(fibonacci(4), 5);
+        assert_eq!(fibonacci(5), 8);
+        assert_eq!(fibonacci(6), 13);
+        assert_eq!(fibonacci(7), 21);
+        assert_eq!(fibonacci(50), 20365011074);
+    }
+
+    #[test]
+    fn test_lyrics() {
+        assert_eq!(twelve_days_of_christmas_lyrics(), LYRICS)
+    }
+
+    const LYRICS: &str = r#"On the first day of Christmas, my true love sent to me
+A partridge in a pear tree
+
+On the second day of Christmas, my true love sent to me
+Two turtledoves
+And a partridge in a pear tree
+
+On the third day of Christmas, my true love sent to me
+Three French hens
+Two turtledoves
+And a partridge in a pear tree
+
+On the fourth day of Christmas, my true love sent to me
+Four calling birds
+Three French hens
+Two turtledoves
+And a partridge in a pear tree
+
+On the fifth day of Christmas, my true love sent to me
+Five gold rings (five golden rings)
+Four calling birds
+Three French hens
+Two turtledoves
+And a partridge in a pear tree
+
+On the sixth day of Christmas, my true love sent to me
+Six geese a-laying
+Five gold rings (five golden rings)
+Four calling birds
+Three French hens
+Two turtledoves
+And a partridge in a pear tree
+
+On the seventh day of Christmas, my true love sent to me
+Seven swans a-swimming
+Six geese a-laying
+Five gold rings (five golden rings)
+Four calling birds
+Three French hens
+Two turtledoves
+And a partridge in a pear tree
+
+On the eighth day of Christmas, my true love sent to me
+Eight maids a-milking
+Seven swans a-swimming
+Six geese a-laying
+Five gold rings (five golden rings)
+Four calling birds
+Three French hens
+Two turtledoves
+And a partridge in a pear tree
+
+On the ninth day of Christmas, my true love sent to me
+Nine ladies dancing
+Eight maids a-milking
+Seven swans a-swimming
+Six geese a-laying
+Five gold rings (five golden rings)
+Four calling birds
+Three French hens
+Two turtledoves
+And a partridge in a pear tree
+
+On the tenth day of Christmas, my true love sent to me
+Ten lords a-leaping
+Nine ladies dancing
+Eight maids a-milking
+Seven swans a-swimming
+Six geese a-laying
+Five gold rings (five golden rings)
+Four calling birds
+Three French hens
+Two turtledoves
+And a partridge in a pear tree
+
+On the eleventh day of Christmas, my true love sent to me
+I sent eleven pipers piping
+Ten lords a-leaping
+Nine ladies dancing
+Eight maids a-milking
+Seven swans a-swimming
+Six geese a-laying
+Five gold rings (five golden rings)
+Four calling birds
+Three French hens
+Two turtledoves
+And a partridge in a pear tree
+
+On the twelfth day of Christmas, my true love sent to me
+Twelve drummers drumming
+Eleven pipers piping
+Ten lords a-leaping
+Nine ladies dancing
+Eight maids a-milking
+Seven swans a-swimming
+Six geese a-laying
+Five gold rings (five golden rings)
+Four calling birds
+Three French hens
+Two turtledoves
+And a partridge in a pear tree
+
+And a partridge in a pear tree
+"#;
 }