Add failure test for Mnemonic::from_entropy()

infincia · Sep 20, 2017 · 4be7216 · 4be7216
1 parent becd7b1
commit 4be7216
Showing 1 changed file with 11 additions and 0 deletions.
diff --git a/tests/generate.rs b/tests/generate.rs
@@ -94,3 +94,14 @@ fn generate_24_english() {
     let seed_bytes: &[u8] = seed.as_bytes();
     assert!(seed_bytes.len() == 64);
 }
+
+#[test]
+#[should_panic]
+fn generate_12_english_from_invalid_entropy() {
+    let mnemonic_type = MnemonicType::for_word_count(12).unwrap();
+
+    // only 15 bytes
+    let entropy = &[0x33, 0xE4, 0x6B, 0xB1, 0x3A, 0x74, 0x6E, 0xA4, 0x1C, 0xDD, 0xE4, 0x5C, 0x90, 0x84, 0x6A];
+
+    Mnemonic::from_entropy(entropy, mnemonic_type, Language::English, "").unwrap();
+}