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refactor(byte_array): hoist test utils #8328

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refactor(byte_array): hoist test utils #8328

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188 changes: 95 additions & 93 deletions corelib/src/test/byte_array_test.cairo
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Original file line number Diff line number Diff line change
@@ -1,5 +1,100 @@
use crate::test::test_utils::{assert_eq, assert_ne};

// ========= Test-utils =========

fn compare_byte_array(
ba: @ByteArray, mut data: Span<felt252>, pending_word_len: usize, pending_word: felt252,
) {
assert(ba.data.len() == data.len(), 'wrong data len');
let mut ba_data = ba.data.span();

let mut data_index = 0;
loop {
match ba_data.pop_front() {
Some(x) => {
let actual_word = (*x).into();
let expected_word = *data.pop_front().unwrap();
assert_eq!(actual_word, expected_word, "wrong data for index: {data_index}");
},
None(_) => { break; },
}
data_index += 1;
}

assert_eq!(*ba.pending_word_len, pending_word_len);
let ba_pending_word_felt: felt252 = (*ba.pending_word).into();
assert_eq!(ba_pending_word_felt, pending_word);
}

fn compare_spans<T, +crate::fmt::Debug<T>, +PartialEq<T>, +Copy<T>, +Drop<T>>(
mut a: Span<T>, mut b: Span<T>,
) {
assert_eq!(a.len(), b.len());
let mut index = 0;
loop {
match a.pop_front() {
Some(current_a) => {
let current_b = b.pop_front().unwrap();
assert_eq!(*current_a, *current_b, "wrong data for index: {index}");
},
None(_) => { break; },
}
index += 1;
}
}

fn test_byte_array_1() -> ByteArray {
let mut ba1 = Default::default();
ba1.append_word(0x01, 1);
ba1
}

fn test_byte_array_2() -> ByteArray {
let mut ba1 = Default::default();
ba1.append_word(0x0102, 2);
ba1
}

fn test_byte_array_16() -> ByteArray {
let mut ba1 = Default::default();
ba1.append_word(0x0102030405060708091a0b0c0d0e0f10, 16);
ba1
}

fn test_byte_array_17() -> ByteArray {
let mut ba1 = Default::default();
ba1.append_word(0x0102030405060708091a0b0c0d0e0f1011, 17);
ba1
}

fn test_byte_array_30() -> ByteArray {
let mut ba1 = Default::default();
ba1.append_word(0x0102030405060708091a0b0c0d0e0f101112131415161718191a1b1c1d1e, 30);
ba1
}

fn test_byte_array_31() -> ByteArray {
let mut ba1 = Default::default();
ba1.append_word(0x0102030405060708091a0b0c0d0e0f101112131415161718191a1b1c1d1e1f, 31);
ba1
}

fn test_byte_array_32() -> ByteArray {
let mut ba1 = Default::default();
ba1.append_word(0x0102030405060708091a0b0c0d0e0f101112131415161718191a1b1c1d1e1f, 31);
ba1.append_word(0x20, 1);
ba1
}

fn test_byte_array_33() -> ByteArray {
let mut ba2 = Default::default();
ba2.append_word(0x0102030405060708091a0b0c0d0e0f101112131415161718191a1b1c1d1e1f, 31);
ba2.append_word(0x2021, 2);
ba2
}

// ========= Tests =========

#[test]
fn test_append_byte() {
let mut ba = Default::default();
Expand Down Expand Up @@ -502,96 +597,3 @@ fn test_from_collect() {
let ba: ByteArray = array!['h', 'e', 'l', 'l', 'o'].into_iter().collect();
assert_eq!(ba, "hello");
}

// ========= Test helper functions =========

fn compare_byte_array(
ba: @ByteArray, mut data: Span<felt252>, pending_word_len: usize, pending_word: felt252,
) {
assert(ba.data.len() == data.len(), 'wrong data len');
let mut ba_data = ba.data.span();

let mut data_index = 0;
loop {
match ba_data.pop_front() {
Some(x) => {
let actual_word = (*x).into();
let expected_word = *data.pop_front().unwrap();
assert_eq!(actual_word, expected_word, "wrong data for index: {data_index}");
},
None(_) => { break; },
}
data_index += 1;
}

assert_eq!(*ba.pending_word_len, pending_word_len);
let ba_pending_word_felt: felt252 = (*ba.pending_word).into();
assert_eq!(ba_pending_word_felt, pending_word);
}

fn compare_spans<T, +crate::fmt::Debug<T>, +PartialEq<T>, +Copy<T>, +Drop<T>>(
mut a: Span<T>, mut b: Span<T>,
) {
assert_eq!(a.len(), b.len());
let mut index = 0;
loop {
match a.pop_front() {
Some(current_a) => {
let current_b = b.pop_front().unwrap();
assert_eq!(*current_a, *current_b, "wrong data for index: {index}");
},
None(_) => { break; },
}
index += 1;
}
}

fn test_byte_array_1() -> ByteArray {
let mut ba1 = Default::default();
ba1.append_word(0x01, 1);
ba1
}

fn test_byte_array_2() -> ByteArray {
let mut ba1 = Default::default();
ba1.append_word(0x0102, 2);
ba1
}

fn test_byte_array_16() -> ByteArray {
let mut ba1 = Default::default();
ba1.append_word(0x0102030405060708091a0b0c0d0e0f10, 16);
ba1
}

fn test_byte_array_17() -> ByteArray {
let mut ba1 = Default::default();
ba1.append_word(0x0102030405060708091a0b0c0d0e0f1011, 17);
ba1
}

fn test_byte_array_30() -> ByteArray {
let mut ba1 = Default::default();
ba1.append_word(0x0102030405060708091a0b0c0d0e0f101112131415161718191a1b1c1d1e, 30);
ba1
}

fn test_byte_array_31() -> ByteArray {
let mut ba1 = Default::default();
ba1.append_word(0x0102030405060708091a0b0c0d0e0f101112131415161718191a1b1c1d1e1f, 31);
ba1
}

fn test_byte_array_32() -> ByteArray {
let mut ba1 = Default::default();
ba1.append_word(0x0102030405060708091a0b0c0d0e0f101112131415161718191a1b1c1d1e1f, 31);
ba1.append_word(0x20, 1);
ba1
}

fn test_byte_array_33() -> ByteArray {
let mut ba2 = Default::default();
ba2.append_word(0x0102030405060708091a0b0c0d0e0f101112131415161718191a1b1c1d1e1f, 31);
ba2.append_word(0x2021, 2);
ba2
}