rxing 0.4.11

A rust port of the zxing barcode library.
Documentation
/*
 * Copyright 2008 ZXing authors
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

use crate::{
    common::Result,
    qrcode::decoder::{ErrorCorrectionLevel, Version},
};

/**
 * @author Sean Owen
 */

#[test]
#[should_panic]
fn testBadVersion() {
    assert!(Version::getVersionForNumber(0).is_ok());
}

#[test]
fn testVersionForNumber() {
    for i in 1..=40 {
        // for (int i = 1; i <= 40; i++) {
        checkVersion(Version::getVersionForNumber(i), i, 4 * i + 17);
    }
}

fn checkVersion(version: Result<&Version>, number: u32, dimension: u32) {
    assert!(version.is_ok());
    let version = version.unwrap();
    assert_eq!(number, version.getVersionNumber());
    // assertNotNull(version.getAlignmentPatternCenters());
    if number > 1 {
        assert!(!version.getAlignmentPatternCenters().is_empty());
    }
    assert_eq!(dimension, version.getDimensionForVersion());
    let _tmp = version.getECBlocksForLevel(ErrorCorrectionLevel::H);
    let _tmp = version.getECBlocksForLevel(ErrorCorrectionLevel::L);
    let _tmp = version.getECBlocksForLevel(ErrorCorrectionLevel::M);
    let _tmp = version.getECBlocksForLevel(ErrorCorrectionLevel::Q);
    assert!(version.buildFunctionPattern().is_ok());

    // assertNotNull(version.getECBlocksForLevel(ErrorCorrectionLevel::H));
    // assertNotNull(version.getECBlocksForLevel(ErrorCorrectionLevel::L));
    // assertNotNull(version.getECBlocksForLevel(ErrorCorrectionLevel::M));
    // assertNotNull(version.getECBlocksForLevel(ErrorCorrectionLevel::Q));
    // assertNotNull(version.buildFunctionPattern());
}

#[test]
fn testGetProvisionalVersionForDimension() {
    for i in 1..=40 {
        // for (int i = 1; i <= 40; i++) {
        assert_eq!(
            i,
            Version::getProvisionalVersionForDimension(4 * i + 17)
                .expect("must exist for supplied values")
                .getVersionNumber()
        );
    }
}

#[test]
fn testDecodeVersionInformation() {
    // Spot check
    doTestVersion(7, 0x07C94);
    doTestVersion(12, 0x0C762);
    doTestVersion(17, 0x1145D);
    doTestVersion(22, 0x168C9);
    doTestVersion(27, 0x1B08E);
    doTestVersion(32, 0x209D5);
}

fn doTestVersion(expectedVersion: u32, mask: u32) {
    let version = Version::decodeVersionInformation(mask);
    assert!(version.is_ok());
    assert_eq!(expectedVersion, version.unwrap().getVersionNumber());
}