/**

 * 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.vm4brwsr;

import org.testng.annotations.Test;

import static org.testng.Assert.*;

import org.testng.annotations.AfterClass;

import org.testng.annotations.BeforeClass;

/**

 *

 * @author Jaroslav Tulach <jtulach@netbeans.org>

 */

public class StringTest {

    @Test public void firstChar() throws Exception {

        assertExec(

            "First char in Hello is H",

            StringSample.class, "sayHello__CI",

            72, 0

        );

    }

    @Test public void fromChars() throws Exception {

        assertExec(

            "First char in Hello is ABC",

            StringSample.class, "fromChars__Ljava_lang_String_2CCC",

            "ABC", 'A', 'B', 'C'

        );

    }

    @Test public void concatChars() throws Exception {

        assertExec(

            "Composing yields ABC",

            StringSample.class, "chars__Ljava_lang_String_2CCC",

            "ABC", 'A', 'B', 'C'

        );

    }

    @Test public void concatCharsFromInts() throws Exception {

        assertExec(

            "Composing yields ABC",

            StringSample.class, "charsFromNumbers__Ljava_lang_String_2",

            "ABC"

        );

    }

    @Test public void concatCharsFromChars() throws Exception {

        assertExec(

            "Composing yields ABC",

            StringSample.class, "charsFromChars__Ljava_lang_String_2",

            "ABC"

        );

    }

    @Test public void instanceOfWorks() throws Exception {

        assertExec(

            "It is string",

            StringSample.class, "isStringInstance__Z",

            Double.valueOf(1.0)

        );

    }

    @Test public void getBytes() throws Exception {

        final String horse = "\u017dlu\u0165ou\u010dk\u00fd k\u016f\u0148";

        final String expected = StringSample.getBytes(horse);

        assertExec(

            "Bytes look simplar",

            StringSample.class, "getBytes__Ljava_lang_String_2Ljava_lang_String_2",

            expected, horse

        );

    }

    @Test(timeOut=10000) public void toStringConcatenation() throws Exception {

        assertExec(

            "Five executions should generate 5Hello World!",

            StringSample.class, "toStringTest__Ljava_lang_String_2I",

            "Hello World!5", 5

        );

    }

    @Test public void toStringConcatenationJava() throws Exception {

        assertEquals("Hello World!5", StringSample.toStringTest(5));

    }

    @Test(timeOut=10000) public void stringStringConcat() throws Exception {

        assertExec(

            "Composes strings OK",

            StringSample.class, "concatStrings__Ljava_lang_String_2",

            "Hello World!1" + "\\\n\r\t"

        );

    }

    @Test public void equalsAndSubstring() throws Exception {

        assertExec(

            "Composes are OK",

            StringSample.class, "equalToHello__ZII",

            true, 0, 5

        );

    }

    @Test public void replaceChars() throws Exception {

        assertExec(

            "Can replace slashes by underscores",

            StringSample.class, "replace__Ljava_lang_String_2Ljava_lang_String_2CC",

            "x_y_z", "x/y/z", '/', '_'

        );

    }

    @Test public void replaceIntChars() throws Exception {

        assertExec(

            "Can replace slashes by underscores",

            StringSample.class, "replace__Ljava_lang_String_2Ljava_lang_String_2CC",

            "x_y_z", "x/y/z", (int)'/', (int)'_'

        );

    }

    @Test public void insertBuilder() throws Exception {

        assertExec(

            "Can insert something into a buffer?",

            StringSample.class, "insertBuffer__Ljava_lang_String_2",

            "Ahojdo!"

        );

    }

    @Test public void compareHashCodeHi() throws Exception {

        String j = "Hi";

        int jh = StringSample.hashCode(j);

        assertExec(

            "Hashcode is the same " +jh,

            StringSample.class, "hashCode__ILjava_lang_String_2",

            Double.valueOf(jh), j

        );

    }

    @Test public void compareHashCode1() throws Exception {

        String j = "Hello Java!";

        int jh = StringSample.hashCode(j);

        assertExec(

            "Hashcode is the same " + jh,

            StringSample.class, "hashCode__ILjava_lang_String_2",

            Double.valueOf(jh), j

        );

    }

    @Test public void stringSwitch1() throws Exception {

        assertExec(

            "Get one",

            StringSample.class, "stringSwitch__ILjava_lang_String_2",

            Double.valueOf(1), "jedna"

        );

    }

    @Test public void stringSwitch2() throws Exception {

        assertExec(

            "Get two",

            StringSample.class, "stringSwitch__ILjava_lang_String_2",

            Double.valueOf(2), "dve"

        );

    }

    @Test public void stringSwitchDefault() throws Exception {

        assertExec(

            "Get -1",

            StringSample.class, "stringSwitch__ILjava_lang_String_2",

            Double.valueOf(-1), "none"

        );

    }

    @Test public void countAB() throws Exception {

        assertEquals(StringSample.countAB("Ahoj Bedo!"), 3, "Verify Java code is sane");

        assertExec(

            "One A and one B adds to 3",

            StringSample.class, "countAB__ILjava_lang_String_2",

            Double.valueOf(3), "Ahoj Bedo!"

        );

    }

    @Test public void compareStrings() throws Exception {

        int res = StringSample.compare("Saab", "Volvo");

        assertExec(

            "Saab finished sooner than Volvo",

            StringSample.class, "compare__ILjava_lang_String_2Ljava_lang_String_2",

            Double.valueOf(res), "Saab", "Volvo"

        );

    }

    @Test public void toStringOnJSArray() throws Exception {

        String exp = StringSample.toStringArray(false, true);

        assertExec(

            "Treated as Java Object array",

            StringSample.class, "toStringArray__Ljava_lang_String_2ZZ",

            exp, true, true

        );

    }

    @Test public void toStringOnRealArray() throws Exception {

        String exp = StringSample.toStringArray(false, true);

        assertExec(

            "Is Java Object array",

            StringSample.class, "toStringArray__Ljava_lang_String_2ZZ",

            exp, false, true

        );

    }

    @Test public void weirdUnicodeCharacters() throws Exception {

        String exp = StringSample.unicode();

        assertExec(

            "Unicode is OK",

            StringSample.class, "unicode__Ljava_lang_String_2",

            exp

        );

    }

    @Test public void valueOfOnJSArray() throws Exception {

        assertExec(

            "Treated as classical JavaScript array",

            StringSample.class, "toStringArray__Ljava_lang_String_2ZZ",

            "1,2", true, false

        );

    }

    private static TestVM code;

    @BeforeClass 

    public static void compileTheCode() throws Exception {

        code = TestVM.compileClass(

            "org/apidesign/vm4brwsr/StringSample",

            "java/lang/String"

        );

    }

    @AfterClass

    public static void releaseTheCode() {

        code = null;

    }

    private static void assertExec(String msg, 

        Class<?> clazz, String method, Object expRes, Object... args

    ) throws Exception {

        code.assertExec(msg, clazz, method, expRes, args);

    }

}