/**

 * Back 2 Browser Bytecode Translator

 * Copyright (C) 2012 Jaroslav Tulach <jaroslav.tulach@apidesign.org>

 *

 * This program is free software: you can redistribute it and/or modify

 * it under the terms of the GNU General Public License as published by

 * the Free Software Foundation, version 2 of the License.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program. Look for COPYING file in the top folder.

 * If not, see http://opensource.org/licenses/GPL-2.0.

 */

package org.apidesign.bck2brwsr.ide.editor;

import java.io.IOException;

import java.util.ArrayList;

import java.util.List;

import org.testng.Assert;

import org.testng.annotations.Test;

public class JsniCommentTokenizerTest {

    private static class MockSink implements JsniCommentTokenizer.Sink {

        final List<String> out = new ArrayList<String>();

        public void javascript(String s) {

            out.add("J " + s);

        }

        public void method(String clazz, String method, String signature) {

            out.add("M " + clazz + "|" + method + "|" + signature);

        }

        public void field(String clazz, String field) {

            out.add("F " + clazz + "|" + field);

        }

    }

    @Test

    public void testProcess_nop() throws IOException {

        final String in = "foo bar";

        final List<String> expected = new ArrayList<String>();

        expected.add("J foo bar");

        final JsniCommentTokenizer jsniCommentTokenizer = new JsniCommentTokenizer();

        final MockSink out = new MockSink();

        jsniCommentTokenizer.process(in, out);

        Assert.assertEquals(expected, out.out);

    }

    @Test

    public void testProcess_read_static_field() throws IOException {

        final String in = " @com.google.gwt.examples.JSNIExample::myStaticField = val + \" and stuff\";";

        final List<String> expected = new ArrayList<String>();

        expected.add("J  ");

        expected.add("F com.google.gwt.examples.JSNIExample|myStaticField");

        expected.add("J  = val + \" and stuff\";");

        final JsniCommentTokenizer jsniCommentTokenizer = new JsniCommentTokenizer();

        final MockSink out = new MockSink();

        jsniCommentTokenizer.process(in, out);

        Assert.assertEquals(expected, out.out);

    }

    @Test

    public void testProcess_write_instance_field() throws IOException {

        final String in = " x.@com.google.gwt.examples.JSNIExample::myInstanceField = val + \" and stuff\";";

        final List<String> expected = new ArrayList<String>();

        expected.add("J  x.");

        expected.add("F com.google.gwt.examples.JSNIExample|myInstanceField");

        expected.add("J  = val + \" and stuff\";");

        final JsniCommentTokenizer jsniCommentTokenizer = new JsniCommentTokenizer();

        final MockSink out = new MockSink();

        jsniCommentTokenizer.process(in, out);

        Assert.assertEquals(expected, out.out);

    }

    @Test

    public void testProcess_read_instance_field() throws IOException {

        final String in = " var val = this.@com.google.gwt.examples.JSNIExample::myInstanceField;";

        final List<String> expected = new ArrayList<String>();

        expected.add("J  var val = this.");

        expected.add("F com.google.gwt.examples.JSNIExample|myInstanceField");

        expected.add("J ;");

        final JsniCommentTokenizer jsniCommentTokenizer = new JsniCommentTokenizer();

        final MockSink out = new MockSink();

        jsniCommentTokenizer.process(in, out);

        Assert.assertEquals(expected, out.out);

    }

    @Test

    public void testProcess_static_method() throws IOException {

        final String in = " @com.google.gwt.examples.JSNIExample::staticFoo(Ljava/lang/String;)(s);";

        final List<String> expected = new ArrayList<String>();

        expected.add("J  ");

        expected.add("M com.google.gwt.examples.JSNIExample|staticFoo|Ljava/lang/String;");

        expected.add("J (s);");

        final JsniCommentTokenizer jsniCommentTokenizer = new JsniCommentTokenizer();

        final MockSink out = new MockSink();

        jsniCommentTokenizer.process(in, out);

        Assert.assertEquals(expected, out.out);

    }

    @Test

    public void testProcess_instance_method() throws IOException {

        final String in = " x.@com.google.gwt.examples.JSNIExample::instanceFoo(Ljava/lang/String;)(s);";

        final List<String> expected = new ArrayList<String>();

        expected.add("J  x.");

        expected.add("M com.google.gwt.examples.JSNIExample|instanceFoo|Ljava/lang/String;");

        expected.add("J (s);");

        final JsniCommentTokenizer jsniCommentTokenizer = new JsniCommentTokenizer();

        final MockSink out = new MockSink();

        jsniCommentTokenizer.process(in, out);

        Assert.assertEquals(expected, out.out);

    }

    @Test

    public void testProcess_multiline() throws IOException {

        final String in =

            " x.@com.google.gwt.examples.JSNIExample::instanceFoo(Ljava/lang/String;)(s);" +

            " @com.google.gwt.examples.JSNIExample::myStaticField = val + \" and stuff\";";

        final List<String> expected = new ArrayList<String>();

        expected.add("J  x.");

        expected.add("M com.google.gwt.examples.JSNIExample|instanceFoo|Ljava/lang/String;");

        expected.add("J (s); ");

        expected.add("F com.google.gwt.examples.JSNIExample|myStaticField");

        expected.add("J  = val + \" and stuff\";");

        final JsniCommentTokenizer jsniCommentTokenizer = new JsniCommentTokenizer();

        final MockSink out = new MockSink();

        jsniCommentTokenizer.process(in, out);

        Assert.assertEquals(expected, out.out);

    }

}