test/jdk/java/lang/String/CompactString/Concat.java

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import org.testng.annotations.DataProvider;
import org.testng.annotations.Test;

import static org.testng.Assert.assertEquals;

/*
 * @test
 * @bug 8077559
 * @summary Tests Compact String. This one is for String.concat.
 * @run testng/othervm -XX:+CompactStrings Concat
 * @run testng/othervm -XX:-CompactStrings Concat
 */

public class Concat extends CompactString {

    @DataProvider
    public Object[][] provider() {
        return new Object[][] {
                new Object[] { STRING_EMPTY, "ABC", "ABC" },
                new Object[] { STRING_EMPTY,
                        "ABC".concat("\uFF21\uFF22\uFF23").concat("DEF"),
                        "ABC\uFF21\uFF22\uFF23DEF" },
                new Object[] {
                        STRING_EMPTY,
                        "\uFF21\uFF22\uFF23".concat("ABC").concat(
                                "\uFF24\uFF25\uFF26"),
                        "\uFF21\uFF22\uFF23ABC\uFF24\uFF25\uFF26" },
                new Object[] { STRING_L1,
                        "ABC".concat("\uFF21\uFF22\uFF23").concat("DEF"),
                        "AABC\uFF21\uFF22\uFF23DEF" },
                new Object[] {
                        STRING_L1,
                        "\uFF21\uFF22\uFF23".concat("ABC").concat(
                                "\uFF24\uFF25\uFF26"),
                        "A\uFF21\uFF22\uFF23ABC\uFF24\uFF25\uFF26" },
                new Object[] { STRING_L2,
                        "ABC".concat("\uFF21\uFF22\uFF23").concat("DEF"),
                        "ABABC\uFF21\uFF22\uFF23DEF" },
                new Object[] {
                        STRING_L2,
                        "\uFF21\uFF22\uFF23".concat("ABC").concat(
                                "\uFF24\uFF25\uFF26"),
                        "AB\uFF21\uFF22\uFF23ABC\uFF24\uFF25\uFF26" },
                new Object[] { STRING_L4,
                        "ABC".concat("\uFF21\uFF22\uFF23").concat("DEF"),
                        "ABCDABC\uFF21\uFF22\uFF23DEF" },
                new Object[] {
                        STRING_L4,
                        "\uFF21\uFF22\uFF23".concat("ABC").concat(
                                "\uFF24\uFF25\uFF26"),
                        "ABCD\uFF21\uFF22\uFF23ABC\uFF24\uFF25\uFF26" },
                new Object[] { STRING_LLONG,
                        "ABC".concat("\uFF21\uFF22\uFF23").concat("DEF"),
                        "ABCDEFGHABC\uFF21\uFF22\uFF23DEF" },
                new Object[] {
                        STRING_LLONG,
                        "\uFF21\uFF22\uFF23".concat("ABC").concat(
                                "\uFF24\uFF25\uFF26"),
                        "ABCDEFGH\uFF21\uFF22\uFF23ABC\uFF24\uFF25\uFF26" },
                new Object[] { STRING_U1,
                        "ABC".concat("\uFF21\uFF22\uFF23").concat("DEF"),
                        "\uFF21ABC\uFF21\uFF22\uFF23DEF" },
                new Object[] {
                        STRING_U1,
                        "\uFF21\uFF22\uFF23".concat("ABC").concat(
                                "\uFF24\uFF25\uFF26"),
                        "\uFF21\uFF21\uFF22\uFF23ABC\uFF24\uFF25\uFF26" },
                new Object[] { STRING_U2,
                        "ABC".concat("\uFF21\uFF22\uFF23").concat("DEF"),
                        "\uFF21\uFF22ABC\uFF21\uFF22\uFF23DEF" },
                new Object[] {
                        STRING_U2,
                        "\uFF21\uFF22\uFF23".concat("ABC").concat(
                                "\uFF24\uFF25\uFF26"),
                        "\uFF21\uFF22\uFF21\uFF22\uFF23ABC\uFF24\uFF25\uFF26" },
                new Object[] { STRING_M12,
                        "ABC".concat("\uFF21\uFF22\uFF23").concat("DEF"),
                        "\uFF21AABC\uFF21\uFF22\uFF23DEF" },
                new Object[] {
                        STRING_M12,
                        "\uFF21\uFF22\uFF23".concat("ABC").concat(
                                "\uFF24\uFF25\uFF26"),
                        "\uFF21A\uFF21\uFF22\uFF23ABC\uFF24\uFF25\uFF26" },
                new Object[] { STRING_M11,
                        "ABC".concat("\uFF21\uFF22\uFF23").concat("DEF"),
                        "A\uFF21ABC\uFF21\uFF22\uFF23DEF" },
                new Object[] {
                        STRING_M11,
                        "\uFF21\uFF22\uFF23".concat("ABC").concat(
                                "\uFF24\uFF25\uFF26"),
                        "A\uFF21\uFF21\uFF22\uFF23ABC\uFF24\uFF25\uFF26" }, };
    }

    @Test(dataProvider = "provider")
    public void testConcat(String str, String anotherString, String expected) {
        map.get(str)
                .forEach(
                        (source, data) -> {
                            assertEquals(
                                    data.concat(anotherString),
                                    expected,
                                    String.format(
                                            "testing String(%s).concat(%s), source : %s, ",
                                            escapeNonASCIIs(data),
                                            escapeNonASCIIs(anotherString),
                                            source));
                        });
    }
}