test/tools/javac/lambda/lambdaExpression/LambdaTest4.java

/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
 * This code 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
 * 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,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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/**
 * @test
 * @bug 8003280
 * @summary Add lambda tests
 *   Test accessing "this" in lambda expressions
 * @compile LambdaTest4.java
 * @run main LambdaTest4
 */

public class LambdaTest4 {

    private String thisStr;
    private static int count = 0;

    {
        ((Runnable)
            ()-> {
                this.init();
                assertTrue(this.toString().equals(thisStr));
                count++;
            }
        ).run();
    }

    private static void assertTrue(boolean b) {
        if(!b)
            throw new AssertionError();
    }

    private void init() {
        thisStr = this.toString();
    }

    private void m() {
        String s1 = this.toString();
        ((Runnable)
            ()-> {
                assertTrue(this.toString().equals(thisStr));
                assertTrue(this.toString().equals(s1));
            }
        ).run();
    }

    public static void main(String[] args) {
        LambdaTest4 test = new LambdaTest4();
        assertTrue(count == 1);
        test.m();
    }
}