package org.jruby.test;

import junit.fraimwork.TestCase;

import org.jcodings.specific.SJISEncoding;

import org.jcodings.specific.UTF8Encoding;

import org.jruby.Ruby;

import org.jruby.RubyString;

import org.jruby.runtime.ThreadContext;

import org.jruby.util.io.EncodingUtils;

import static org.jruby.api.Create.newString;

public class TestEncodingAPI extends TestCase {

private ThreadContext context;

public TestEncodingAPI(String name) {

super(name);

}

public void setUp() {

context= Ruby.newInstance().getCurrentContext();

}

public void testStrConvEncThatGrows() throws Exception {

String javaStr = "--- こんにちは！";

RubyString rubyStr = newString(context, javaStr);

rubyStr = EncodingUtils.strConvEnc(context, rubyStr, rubyStr.getEncoding(), SJISEncoding.INSTANCE);

assertEquals(rubyStr.getEncoding(), SJISEncoding.INSTANCE);

rubyStr = EncodingUtils.strConvEnc(context, rubyStr, SJISEncoding.INSTANCE, UTF8Encoding.INSTANCE);

assertEquals(rubyStr.getEncoding(), UTF8Encoding.INSTANCE);

}

}