From 02481656966b0a8dfc95cf3c22bcc049660ff7d4 Mon Sep 17 00:00:00 2001
From: Federico Igne <git@federicoigne.com>
Date: Sat, 26 Dec 2020 17:48:38 +0000
Subject: Move Rust exercises in a subdirectory

---
 rust/pascals-triangle/tests/pascals-triangle.rs | 96 +++++++++++++++++++++++++
 1 file changed, 96 insertions(+)
 create mode 100644 rust/pascals-triangle/tests/pascals-triangle.rs

(limited to 'rust/pascals-triangle/tests')

diff --git a/rust/pascals-triangle/tests/pascals-triangle.rs b/rust/pascals-triangle/tests/pascals-triangle.rs
new file mode 100644
index 0000000..64d2c2e
--- /dev/null
+++ b/rust/pascals-triangle/tests/pascals-triangle.rs
@@ -0,0 +1,96 @@
+use pascals_triangle::*;
+
+#[test]
+fn no_rows() {
+    let pt = PascalsTriangle::new(0);
+    let expected: Vec<Vec<u32>> = Vec::new();
+    assert_eq!(expected, pt.rows());
+}
+
+#[test]
+fn one_row() {
+    let pt = PascalsTriangle::new(1);
+    let expected: Vec<Vec<u32>> = vec![vec![1]];
+    assert_eq!(expected, pt.rows());
+}
+
+#[test]
+fn two_rows() {
+    let pt = PascalsTriangle::new(2);
+    let expected: Vec<Vec<u32>> = vec![vec![1], vec![1, 1]];
+    assert_eq!(expected, pt.rows());
+}
+
+#[test]
+fn three_rows() {
+    let pt = PascalsTriangle::new(3);
+    let expected: Vec<Vec<u32>> = vec![vec![1], vec![1, 1], vec![1, 2, 1]];
+    assert_eq!(expected, pt.rows());
+}
+
+#[test]
+fn last_of_four_rows() {
+    let pt = PascalsTriangle::new(4);
+    let expected: Vec<u32> = vec![1, 3, 3, 1];
+    assert_eq!(Some(expected), pt.rows().pop());
+}
+
+#[test]
+fn five_rows() {
+    let pt = PascalsTriangle::new(5);
+    let expected: Vec<Vec<u32>> = vec![
+        vec![1],
+        vec![1, 1],
+        vec![1, 2, 1],
+        vec![1, 3, 3, 1],
+        vec![1, 4, 6, 4, 1],
+    ];
+    assert_eq!(expected, pt.rows());
+}
+
+#[test]
+fn six_rows() {
+    let pt = PascalsTriangle::new(6);
+    let expected: Vec<Vec<u32>> = vec![
+        vec![1],
+        vec![1, 1],
+        vec![1, 2, 1],
+        vec![1, 3, 3, 1],
+        vec![1, 4, 6, 4, 1],
+        vec![1, 5, 10, 10, 5, 1],
+    ];
+    assert_eq!(expected, pt.rows());
+}
+
+#[test]
+fn seven_rows() {
+    let pt = PascalsTriangle::new(7);
+    let expected: Vec<Vec<u32>> = vec![
+        vec![1],
+        vec![1, 1],
+        vec![1, 2, 1],
+        vec![1, 3, 3, 1],
+        vec![1, 4, 6, 4, 1],
+        vec![1, 5, 10, 10, 5, 1],
+        vec![1, 6, 15, 20, 15, 6, 1],
+    ];
+    assert_eq!(expected, pt.rows());
+}
+
+#[test]
+fn ten_rows() {
+    let pt = PascalsTriangle::new(10);
+    let expected: Vec<Vec<u32>> = vec![
+        vec![1],
+        vec![1, 1],
+        vec![1, 2, 1],
+        vec![1, 3, 3, 1],
+        vec![1, 4, 6, 4, 1],
+        vec![1, 5, 10, 10, 5, 1],
+        vec![1, 6, 15, 20, 15, 6, 1],
+        vec![1, 7, 21, 35, 35, 21, 7, 1],
+        vec![1, 8, 28, 56, 70, 56, 28, 8, 1],
+        vec![1, 9, 36, 84, 126, 126, 84, 36, 9, 1],
+    ];
+    assert_eq!(expected, pt.rows());
+}
-- 
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