test/langtools/tools/javac/T8326204a.java

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 *
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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/*
 * @test
 * @bug 8326204
 * @summary yield statements doesn't allow cast expressions with more than 1 type arguments
 * @compile T8326204a.java
 */
import java.util.*;

public class T8326204a {
    void testOneParam() {
        Object value = new ArrayList<String>();
        Object returnedValue = switch (1) {
            default -> {
                yield (List<String>) value;
            }
        };
    }

    void testTwoParams() {
        Object value = new HashMap<String, String>();
        Object returnedValue = switch (1) {
            default -> {
                yield (Map<String, String>) value;
            }
        };
    }

    void testTwoParamsInParens() {
        Object value = new HashMap<String, String>();
        Object returnedValue = switch (1) {
            default -> {
                yield ((Map<String, String>) value);
            }
        };
    }
}