From 64bdc59234c9c0c310485937f3b07b04ec73a2fe Mon Sep 17 00:00:00 2001
From: Yotoko <44945530+vhgcuong@users.noreply.github.com>
Date: Tue, 3 Oct 2023 15:41:01 +0700
Subject: [PATCH] Base spiral matrix

---
 src/lib.rs                 |  1 +
 src/spiral_matrix.rs       |  3 ++
 tests/libtest.rs           |  1 +
 tests/spiral_matrix/mod.rs | 62 ++++++++++++++++++++++++++++++++++++++
 4 files changed, 67 insertions(+)
 create mode 100644 src/spiral_matrix.rs
 create mode 100644 tests/spiral_matrix/mod.rs

diff --git a/src/lib.rs b/src/lib.rs
index c50fcf3..a15ee92 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -30,6 +30,7 @@ pub mod minesweeper;
 pub mod alphametics;
 pub mod binary_search;
 pub mod all_your_base;
+pub mod spiral_matrix;
 pub mod perfect_numbers;
 pub mod rna_transcription;
 pub mod largest_series_product;
diff --git a/src/spiral_matrix.rs b/src/spiral_matrix.rs
new file mode 100644
index 0000000..16d2d2c
--- /dev/null
+++ b/src/spiral_matrix.rs
@@ -0,0 +1,3 @@
+pub fn spiral_matrix(size: u32) -> Vec<Vec<u32>> {
+    todo!("Function that returns the spiral matrix of square size {size}");
+}
diff --git a/tests/libtest.rs b/tests/libtest.rs
index 539bd8d..d27b3b0 100644
--- a/tests/libtest.rs
+++ b/tests/libtest.rs
@@ -34,3 +34,4 @@ mod largest_series_product;
 mod parallel_letter_frequency;
 mod rna_transcription;
 mod binary_search;
+mod spiral_matrix;
diff --git a/tests/spiral_matrix/mod.rs b/tests/spiral_matrix/mod.rs
new file mode 100644
index 0000000..7410cba
--- /dev/null
+++ b/tests/spiral_matrix/mod.rs
@@ -0,0 +1,62 @@
+use exercism::spiral_matrix::spiral_matrix;
+#[test]
+fn empty_spiral() {
+    let expected: Vec<Vec<u32>> = Vec::new();
+    assert_eq!(spiral_matrix(0), expected);
+}
+
+#[test]
+#[ignore]
+fn size_one_spiral() {
+    let expected: Vec<Vec<u32>> = vec![vec![1]];
+    assert_eq!(spiral_matrix(1), expected);
+}
+
+#[test]
+#[ignore]
+fn size_two_spiral() {
+    let expected: Vec<Vec<u32>> = vec![vec![1, 2], vec![4, 3]];
+    assert_eq!(spiral_matrix(2), expected);
+
+}
+
+#[test]
+#[ignore]
+fn size_three_spiral() {
+    #[rustfmt::skip]
+    let expected: Vec<Vec<u32>> = vec![
+        vec![1, 2, 3],
+        vec![8, 9, 4],
+        vec![7, 6, 5],
+
+    ];
+    assert_eq!(spiral_matrix(3), expected);
+}
+
+#[test]
+#[ignore]
+fn size_four_spiral() {
+    let expected: Vec<Vec<u32>> = vec![
+        vec![1, 2, 3, 4],
+        vec![12, 13, 14, 5],
+        vec![11, 16, 15, 6],
+        vec![10, 9, 8, 7],
+    ];
+
+    assert_eq!(spiral_matrix(4), expected);
+}
+
+#[test]
+#[ignore]
+fn size_five_spiral() {
+
+    let expected: Vec<Vec<u32>> = vec![
+        vec![1, 2, 3, 4, 5],
+        vec![16, 17, 18, 19, 6],
+        vec![15, 24, 25, 20, 7],
+        vec![14, 23, 22, 21, 8],
+        vec![13, 12, 11, 10, 9],
+    ];
+    assert_eq!(spiral_matrix(5), expected);
+
+}