Add support of cp437 encoding

1 files changed, 34 insertions, 0 deletions

diff --git a/src/zip/tests.rs b/src/zip/tests.rs
index 92a9c3f..e24cdfe 100644
--- a/src/zip/tests.rs
+++ b/src/zip/tests.rs
@@ -1,3 +1,4 @@
+use crate::zip::cp437::{from_char, is_cp437, to_char, FromCp437};
 use crate::zip::{bit::DeflateMode, BitFlag};
 
 #[test]
@@ -40,3 +41,36 @@ fn test_bit_flag() {
     bit_flag.set_deflate_mode(DeflateMode::Normal);
     assert_eq!(bit_flag.deflate_mode(), DeflateMode::Normal);
 }
+
+#[test]
+fn test_cp437() {
+    for b in 0..=255 {
+        assert_eq!(from_char(to_char(b)).unwrap(), b);
+        assert!(is_cp437(to_char(b)), "byte: {}", b);
+    }
+
+    assert_eq!(from_char('Σ'), Some(228));
+    assert_eq!(from_char('§'), None);
+
+    assert!(is_cp437('Σ'));
+    assert!(!is_cp437('§'));
+
+    assert_eq!(
+        Vec::from_cp437("hello world").unwrap(),
+        [104, 101, 108, 108, 111, 32, 119, 111, 114, 108, 100]
+    );
+    assert_eq!(
+        String::from_cp437([104, 101, 108, 108, 111, 32, 119, 111, 114, 108, 100]),
+        "hello world"
+    );
+
+    assert_eq!(
+        Vec::from_cp437("ABCDEFGHIJKLMNOPQRSTUVWXYZ").unwrap(),
+        (65..=90).collect::<Vec<u8>>()
+    );
+
+    assert_eq!(
+        String::from_cp437((97..=122).collect::<Vec<u8>>()),
+        "abcdefghijklmnopqrstuvwxyz"
+    );
+}