feat(y-octo): import y-octo monorepo (#11750)

2026-07-17 18:16:15 +08:00 · 2025-04-21 02:51:15 +00:00
parent e3973538e8
commit 95dbda24fc
127 changed files with 17319 additions and 18 deletions
@@ -0,0 +1,78 @@
+use super::*;
+
+#[cfg(test)]
+mod tests {
+
+  use super::*;
+
+  use lib0::encoding::Write;
+
+  fn test_var_uint_enc_dec(num: u64) {
+    let mut buf1 = Vec::new();
+    write_var_u64(&mut buf1, num).unwrap();
+
+    let mut buf2 = Vec::new();
+    buf2.write_var(num);
+
+    {
+      let (rest, decoded_num) = read_var_u64(&buf1).unwrap();
+      assert_eq!(num, decoded_num);
+      assert_eq!(rest.len(), 0);
+    }
+
+    {
+      let (rest, decoded_num) = read_var_u64(&buf2).unwrap();
+      assert_eq!(num, decoded_num);
+      assert_eq!(rest.len(), 0);
+    }
+  }
+
+  fn test_var_int_enc_dec(num: i32) {
+    {
+      let mut buf1: Vec<u8> = Vec::new();
+      write_var_i32(&mut buf1, num).unwrap();
+
+      let (rest, decoded_num) = read_var_i32(&buf1).unwrap();
+      assert_eq!(num, decoded_num);
+      assert_eq!(rest.len(), 0);
+    }
+
+    {
+      let mut buf2 = Vec::new();
+      buf2.write_var(num);
+
+      let (rest, decoded_num) = read_var_i32(&buf2).unwrap();
+      assert_eq!(num, decoded_num);
+      assert_eq!(rest.len(), 0);
+    }
+  }
+
+  #[test]
+  fn test_var_uint_codec() {
+    test_var_uint_enc_dec(0);
+    test_var_uint_enc_dec(1);
+    test_var_uint_enc_dec(127);
+    test_var_uint_enc_dec(0b1000_0000);
+    test_var_uint_enc_dec(0b1_0000_0000);
+    test_var_uint_enc_dec(0b1_1111_1111);
+    test_var_uint_enc_dec(0b10_0000_0000);
+    test_var_uint_enc_dec(0b11_1111_1111);
+    test_var_uint_enc_dec(0x7fff_ffff_ffff_ffff);
+    test_var_uint_enc_dec(u64::max_value());
+  }
+
+  #[test]
+  fn test_var_int() {
+    test_var_int_enc_dec(0);
+    test_var_int_enc_dec(1);
+    test_var_int_enc_dec(-1);
+    test_var_int_enc_dec(63);
+    test_var_int_enc_dec(-63);
+    test_var_int_enc_dec(64);
+    test_var_int_enc_dec(-64);
+    test_var_int_enc_dec(i32::MAX);
+    test_var_int_enc_dec(i32::MIN);
+    test_var_int_enc_dec(((1 << 20) - 1) * 8);
+    test_var_int_enc_dec(-((1 << 20) - 1) * 8);
+  }
+}