From 0824d3547a2e5fc6e6dcf80767577184f0134e55 Mon Sep 17 00:00:00 2001
From: Henry Schimke <henry@azule.info>
Date: Sat, 7 Jan 2023 14:40:31 -0600
Subject: [PATCH] fix issue encoding qrcode digit only data

---
 Cargo.toml                            |  2 +-
 src/qrcode/encoder/EncoderTestCase.rs | 11 +++++++++++
 src/qrcode/encoder/encoder.rs         |  2 +-
 3 files changed, 13 insertions(+), 2 deletions(-)

diff --git a/Cargo.toml b/Cargo.toml
index 47461d7..cc47c47 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "rxing"
-version = "0.2.7"
+version = "0.2.8"
 description="A rust port of the zxing barcode library."
 license="Apache-2.0"
 repository="https://github.com/hschimke/rxing"
diff --git a/src/qrcode/encoder/EncoderTestCase.rs b/src/qrcode/encoder/EncoderTestCase.rs
index 5968ae2..ed7a5ea 100644
--- a/src/qrcode/encoder/EncoderTestCase.rs
+++ b/src/qrcode/encoder/EncoderTestCase.rs
@@ -71,6 +71,17 @@ fn testGetAlphanumericCode() {
     assert_eq!(-1, encoder::getAlphanumericCode(b'\0' as u32));
 }
 
+#[test]
+fn test_digits_only() {
+    let test_data = "374833744734397449";
+    let data = encoder::encode(test_data, ErrorCorrectionLevel::H).expect("encode");
+    let decode = crate::qrcode::decoder::decoder::decode_bitmatrix(
+        &data.getMatrix().as_ref().unwrap().clone().into(),
+    )
+    .expect("decode");
+    assert_eq!(test_data, decode.getText());
+}
+
 #[test]
 fn testChooseMode() {
     // Numeric Mode::
diff --git a/src/qrcode/encoder/encoder.rs b/src/qrcode/encoder/encoder.rs
index 8b63d7e..d44e1d2 100644
--- a/src/qrcode/encoder/encoder.rs
+++ b/src/qrcode/encoder/encoder.rs
@@ -732,7 +732,7 @@ pub fn appendNumericBytes(content: &str, bits: &mut BitArray) -> Result<(), Exce
             // Encode three numeric letters in ten bits.
             let num2 = content.chars().nth(i + 1).unwrap() as u8 - b'0';
             let num3 = content.chars().nth(i + 2).unwrap() as u8 - b'0';
-            bits.appendBits((num1 * 100 + num2 * 10 + num3) as u32, 10)?;
+            bits.appendBits(num1 as u32 * 100 + num2 as u32 * 10 + num3 as u32, 10)?;
             i += 3;
         } else if i + 1 < length {
             // Encode two numeric letters in seven bits.