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use bip39::{Language, Mnemonic, MnemonicType, Seed};
#[cfg(target_arch = "wasm32")]
use wasm_bindgen_test::*;
fn test_word_count(expected_word_count: usize) {
let mnemonic_type = MnemonicType::for_word_count(expected_word_count).unwrap();
let mnemonic = Mnemonic::new(mnemonic_type, Language::English);
let actual_word_count = mnemonic.phrase().split(" ").count();
assert_eq!(actual_word_count, expected_word_count);
assert_eq!(mnemonic_type.word_count(), expected_word_count);
let seed = Seed::new(&mnemonic, "");
let seed_bytes: &[u8] = seed.as_bytes();
assert!(seed_bytes.len() == 64);
}
macro_rules! test_maybe_wasm {
($name:ident, $body:expr) => {
#[cfg_attr(all(target_arch = "wasm32"), wasm_bindgen_test)]
#[cfg_attr(not(target_arch = "wasm32"), test)]
fn $name() {
$body
}
}
}
test_maybe_wasm!(generate_12_english, {
test_word_count(12);
});
test_maybe_wasm!(generate_15_english, {
test_word_count(15);
});
test_maybe_wasm!(generate_18_english, {
test_word_count(18);
});
test_maybe_wasm!(generate_21_english, {
test_word_count(21);
});
test_maybe_wasm!(generate_24_english, {
test_word_count(24);
});
test_maybe_wasm!(generate_from_invalid_entropy, {
// 15 bytes
let entropy = &[
0x33, 0xE4, 0x6B, 0xB1, 0x3A, 0x74, 0x6E, 0xA4, 0x1C, 0xDD, 0xE4, 0x5C, 0x90, 0x84, 0x6A,
];
assert!(Mnemonic::from_entropy(entropy, Language::English).is_err());
});
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