mirror of
https://github.com/starovoid/rxing.git
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138 lines
3.5 KiB
Rust
138 lines
3.5 KiB
Rust
/*
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* Copyright 2012 ZXing authors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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// package com.google.zxing.common;
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// import org.junit.Assert;
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// import org.junit.Test;
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// import java.nio.charset.Charset;
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// import java.nio.charset.StandardCharsets;
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// import java.util.Random;
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use encoding::Encoding;
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use rand::Rng;
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use std::collections::HashMap;
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use crate::common::StringUtils;
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#[test]
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fn test_random() {
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let mut r = rand::thread_rng();
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let mut bytes: Vec<u8> = vec![0; 1000];
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for i in 0..bytes.len() {
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bytes[i] = r.gen();
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}
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assert_eq!(
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encoding::all::UTF_8.name(),
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StringUtils::guessCharset(&bytes, HashMap::new()).name()
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);
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}
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#[test]
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fn test_short_shift_jis1() {
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// 金魚
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do_test(
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&vec![0x8b, 0xe0, 0x8b, 0x9b],
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encoding::label::encoding_from_whatwg_label("SJIS").unwrap(),
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"SJIS",
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);
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}
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#[test]
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fn test_short_iso885911() {
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// båd
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do_test(
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&vec![0x62, 0xe5, 0x64],
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encoding::all::ISO_8859_1,
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"ISO8859_1",
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);
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}
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#[test]
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fn test_short_utf8() {
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// Español
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do_test(
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&vec![0x45, 0x73, 0x70, 0x61, 0xc3, 0xb1, 0x6f, 0x6c],
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encoding::all::UTF_8,
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"UTF8",
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);
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}
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#[test]
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fn test_mixed_shift_jis1() {
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// Hello 金!
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do_test(
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&vec![0x48, 0x65, 0x6c, 0x6c, 0x6f, 0x20, 0x8b, 0xe0, 0x21],
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encoding::label::encoding_from_whatwg_label("SJIS").unwrap(),
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"SJIS",
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);
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}
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#[test]
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fn test_utf16_be() {
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// 调压柜
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do_test(
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&vec![0xFE, 0xFF, 0x8c, 0x03, 0x53, 0x8b, 0x67, 0xdc],
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encoding::all::UTF_16BE,
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encoding::all::UTF_16BE.name(),
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);
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}
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#[test]
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fn test_utf16_le() {
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// 调压柜
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do_test(
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&vec![0xFF, 0xFE, 0x03, 0x8c, 0x8b, 0x53, 0xdc, 0x67],
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encoding::all::UTF_16LE,
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encoding::all::UTF_16LE.name(),
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);
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}
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fn do_test(bytes: &Vec<u8>, charset: &dyn Encoding, encoding: &str) {
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let guessedCharset = StringUtils::guessCharset(bytes, HashMap::new());
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let guessedEncoding = StringUtils::guessEncoding(bytes, HashMap::new());
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assert_eq!(charset.name(), guessedCharset.name());
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assert_eq!(encoding, guessedEncoding);
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}
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// /**
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// * Utility for printing out a string in given encoding as a Java statement, since it's better
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// * to write that into the Java source file rather than risk character encoding issues in the
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// * source file itself.
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// *
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// * @param args command line arguments
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// */
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// fn main(String[] args) {
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// String text = args[0];
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// Charset charset = Charset.forName(args[1]);
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// StringBuilder declaration = new StringBuilder();
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// declaration.append("new byte[] { ");
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// for (byte b : text.getBytes(charset)) {
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// declaration.append("(byte) 0x");
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// int value = b & 0xFF;
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// if (value < 0x10) {
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// declaration.append('0');
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// }
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// declaration.append(Integer.toHexString(value));
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// declaration.append(", ");
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// }
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// declaration.append('}');
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// System.out.println(declaration);
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// }
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// }
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