CompilerOptionsTest.java

/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * 2 along with this work; if not, write to the Free Software Foundation,
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/*
 * @test
 * @bug 8159635
 * @summary Test setting compiler options
 * @build KullaTesting TestingInputStream
 * @run testng CompilerOptionsTest
 */

import javax.tools.Diagnostic;
import org.testng.annotations.Test;
import org.testng.annotations.BeforeMethod;
import static jdk.jshell.Snippet.Status.VALID;

@Test
public class CompilerOptionsTest extends KullaTesting {

    @BeforeMethod
    @Override
    public void setUp() {
        setUp(b -> b.compilerOptions("-source", "7", "-Xlint:cast,-options"));
    }

    public void testLint() {
        assertDeclareWarn1("String s = (String)\"hello\";",
                new ExpectedDiagnostic("compiler.warn.redundant.cast", 11, 26, 11, -1, -1, Diagnostic.Kind.WARNING));
    }

    public void testSourceVersion() {
        assertEval("import java.util.function.*;", added(VALID));
        assertDeclareFail("Function<Integer,Integer> f = x -> x*2;",
                new ExpectedDiagnostic("compiler.err.feature.not.supported.in.source.plural", 32, 32, 32, -1, -1, Diagnostic.Kind.ERROR));
    }
}