pass test case 2

rust/pascals-triangle/src/lib.rs

@@ -4,12 +4,29 @@ pub struct PascalsTriangle{
 
 impl PascalsTriangle {
     pub fn new(row_count: u32) -> Self {
+        let rows = generate_rows(row_count);
         PascalsTriangle{
-            rows: vec!()
+            rows: rows
         }
     }
 
     pub fn rows(&self) -> Vec<Vec<u32>> {
         return self.rows.clone()
     }
 }
+
+fn generate_rows(row_count: u32) -> Vec<Vec<u32>> {
+    let mut rows = vec!();
+    for i in 1..=row_count {
+        let row = generate_row(i);
+        rows.push(row)
+    }
+    rows
+}
+
+fn generate_row(row_index: u32) -> Vec<u32> {
+    if row_index == 1 {
+        return vec!(1)
+    }
+    vec!()
+}

rust/pascals-triangle/tests/pascals-triangle.rs

@@ -8,7 +8,6 @@ fn zero_rows() {
 }
 
 #[test]
-#[ignore]
 fn single_row() {
     let pt = PascalsTriangle::new(1);
     let expected: Vec<Vec<u32>> = vec![vec![1]];