# HG changeset patch
# User Simon Sapin <simon.sapin@octobus.net>
# Date 2021-02-17 19:40:19
# Node ID 1b7c0b10d93015d99bffd884015be2a4d61b5640
# Parent  a687a7f27951a0955684b2eaa5177a3997d539b9

rust: Add some unit tests for parse_byte_size in config

Differential Revision: https://phab.mercurial-scm.org/D10022

diff --git a/rust/hg-core/src/config/values.rs b/rust/hg-core/src/config/values.rs
--- a/rust/hg-core/src/config/values.rs
+++ b/rust/hg-core/src/config/values.rs
@@ -41,3 +41,21 @@ pub(super) fn parse_byte_size(value: &[u
     }
     value.parse().ok()
 }
+
+#[test]
+fn test_parse_byte_size() {
+    assert_eq!(parse_byte_size(b""), None);
+    assert_eq!(parse_byte_size(b"b"), None);
+
+    assert_eq!(parse_byte_size(b"12"), Some(12));
+    assert_eq!(parse_byte_size(b"12b"), Some(12));
+    assert_eq!(parse_byte_size(b"12 b"), Some(12));
+    assert_eq!(parse_byte_size(b"12.1 b"), Some(12));
+    assert_eq!(parse_byte_size(b"1.1 K"), Some(1126));
+    assert_eq!(parse_byte_size(b"1.1 kB"), Some(1126));
+
+    assert_eq!(parse_byte_size(b"-12 b"), None);
+    assert_eq!(parse_byte_size(b"-0.1 b"), None);
+    assert_eq!(parse_byte_size(b"0.1 b"), Some(0));
+    assert_eq!(parse_byte_size(b"12.1 b"), Some(12));
+}