use crate::{common::BitMatrix, qrcode::cpp_port::data_mask::GetMaskedBit};
#[test]
fn Mask0() {
TestMaskAcrossDimensions(0, |i, j| (i + j) % 2 == 0);
}
#[test]
fn Mask1() {
TestMaskAcrossDimensions(1, |i, _| i % 2 == 0);
}
#[test]
fn Mask2() {
TestMaskAcrossDimensions(2, |_, j| j % 3 == 0);
}
#[test]
fn Mask3() {
TestMaskAcrossDimensions(3, |i, j| (i + j) % 3 == 0);
}
#[test]
fn Mask4() {
TestMaskAcrossDimensions(4, |i, j| (i / 2 + j / 3) % 2 == 0);
}
#[test]
fn Mask5() {
TestMaskAcrossDimensions(5, |i, j| (i * j) % 2 + (i * j) % 3 == 0);
}
#[test]
fn Mask6() {
TestMaskAcrossDimensions(6, |i, j| ((i * j) % 2 + (i * j) % 3) % 2 == 0);
}
#[test]
fn Mask7() {
TestMaskAcrossDimensions(7, |i, j| ((i + j) % 2 + (i * j) % 3) % 2 == 0);
}
#[test]
fn MicroMask0() {
TestMicroMaskAcrossDimensions(0, |i, _| i % 2 == 0);
}
#[test]
fn MicroMask1() {
TestMicroMaskAcrossDimensions(1, |i, j| (i / 2 + j / 3) % 2 == 0);
}
#[test]
fn MicroMask2() {
TestMicroMaskAcrossDimensions(2, |i, j| ((i * j) % 2 + (i * j) % 3) % 2 == 0);
}
#[test]
fn MicroMask3() {
TestMicroMaskAcrossDimensions(3, |i, j| ((i + j) % 2 + (i * j) % 3) % 2 == 0);
}
fn TestMaskAcrossDimensionsImpl<F>(
maskIndex: u32,
isMicro: bool,
versionMax: u32,
dimensionStart: u32,
dimensionStep: u32,
condition: F,
) where
F: Fn(u32, u32) -> bool,
{
for version in 1..=versionMax {
let dimension = dimensionStart + dimensionStep * version;
let bits = BitMatrix::with_single_dimension(dimension).expect("couldn't create bitmatrix");
for i in 0..dimension {
for j in 0..dimension {
assert_eq!(
GetMaskedBit(&bits, j, i, maskIndex, Some(isMicro))
.expect("could not get mask bit"),
condition(i, j),
"({i},{j})"
);
}
}
}
}
fn TestMaskAcrossDimensions<F>(maskIndex: u32, condition: F)
where
F: Fn(u32, u32) -> bool,
{
TestMaskAcrossDimensionsImpl(maskIndex, false, 40, 17, 4, condition);
}
fn TestMicroMaskAcrossDimensions<F>(maskIndex: u32, condition: F)
where
F: Fn(u32, u32) -> bool,
{
TestMaskAcrossDimensionsImpl(maskIndex, true, 4, 9, 2, condition);
}