test/jdk/java/lang/String/concat/ImplicitStringConcatArgCount.java

/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
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 * 2 along with this work; if not, write to the Free Software Foundation,
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/**
 * @test
 * @summary Test multiple number of arguments to concatenate.
 *
 * @compile ImplicitStringConcatArgCount.java
 * @run main/othervm -Xverify:all ImplicitStringConcatArgCount
 *
 * @compile -XDallowStringFolding=false -XDstringConcat=inline ImplicitStringConcatArgCount.java
 * @run main/othervm -Xverify:all ImplicitStringConcatArgCount
 *
 * @compile -XDallowStringFolding=false -XDstringConcat=indy ImplicitStringConcatArgCount.java
 * @run main/othervm -Xverify:all ImplicitStringConcatArgCount
 *
 * @compile -XDallowStringFolding=false -XDstringConcat=indyWithConstants ImplicitStringConcatArgCount.java
 * @run main/othervm -Xverify:all ImplicitStringConcatArgCount
*/
public class ImplicitStringConcatArgCount {
    static final String s = "f";
    static final String s1 = "o";
    static String s2 = "o";
    static int i = 7;

    public static void main(String[] args) throws Exception {
        test("fo",          s + s1);
        test("foo",         s + s1 + s2);
        test("foo7",        s + s1 + s2 + i);
        test("foo77",       s + s1 + s2 + i + i);
        test("foo777",      s + s1 + s2 + i + i + i);
        test("foo7777",     s + s1 + s2 + i + i + i + i);
        test("foo77777",    s + s1 + s2 + i + i + i + i + i);
        test("foo777777",   s + s1 + s2 + i + i + i + i + i + i);
        test("foo7777777",  s + s1 + s2 + i + i + i + i + i + i + i);
        test("foo77777777", s + s1 + s2 + i + i + i + i + i + i + i + i);
    }

    public static void test(String expected, String actual) {
       if (!expected.equals(actual)) {
           StringBuilder sb = new StringBuilder();
           sb.append("Expected = ");
           sb.append(expected);
           sb.append(", actual = ");
           sb.append(actual);
           throw new IllegalStateException(sb.toString());
       }
    }
}