Add test for issue 76 (wrong handling of UTF-16 data)

tests/issue-76.rs

@@ -0,0 +1,21 @@
+use der_parser::ber::*;
+
+#[test]
+fn issue76_example1() {
+    // This is a 4 bytes (2 characters) UTF-16-BE string. The first two bytes are the tag and size.
+    let bytes = [0x80, 0x04, 0x00, 0x4c, 0x00, 0x65];
+    let (i, header) = ber_read_element_header(&bytes).expect("parsing failed");
+    let (rem, _content) =
+        parse_ber_content(Tag::BmpString)(i, &header, MAX_RECURSION).expect("parsing failed");
+    assert!(rem.is_empty());
+}
+
+#[test]
+fn issue76_example2() {
+    // This is a 6 bytes (3 characters) UTF-16-BE string. The first two bytes are the tag and size.
+    let bytes = [0x80, 0x06, 0x79, 0x3E, 0x30, 0xBA, 0x30, 0xFC];
+    let (i, header) = ber_read_element_header(&bytes).expect("parsing failed");
+    let (rem, _content) =
+        parse_ber_content(Tag::BmpString)(i, &header, MAX_RECURSION).expect("parsing failed");
+    assert!(rem.is_empty());
+}