test/langtools/jdk/jshell/ErrorRecoveryTest.java

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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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/*
 * @test
 * @bug 8270139 8273039 8286895 8332230
 * @summary Verify error recovery in JShell
 * @modules jdk.compiler/com.sun.tools.javac.api
 *          jdk.compiler/com.sun.tools.javac.main
 *          jdk.jdeps/com.sun.tools.javap
 *          jdk.jshell/jdk.internal.jshell.tool
 * @library /tools/lib
 * @build KullaTesting TestingInputStream ExpectedDiagnostic toolbox.ToolBox Compiler
 * @run testng ErrorRecoveryTest
 */

import org.testng.annotations.Test;
import static jdk.jshell.Snippet.Status.NONEXISTENT;
import static jdk.jshell.Snippet.Status.RECOVERABLE_NOT_DEFINED;
import static jdk.jshell.Snippet.Status.REJECTED;

@Test
public class ErrorRecoveryTest extends KullaTesting {

    public void testExceptionErrors() {
        assertEval("import java.lang.annotation.Repeatable;");
        assertEval("""
                   @Repeatable(FooContainer.class)
                   @interface Foo { int value(); }
                   """,
                   ste(MAIN_SNIPPET, NONEXISTENT, RECOVERABLE_NOT_DEFINED, false, null));
    }

    public void testBrokenName() {
        assertEval("int strictfp = 0;",
                   DiagCheck.DIAG_ERROR,
                   DiagCheck.DIAG_IGNORE,
                   ste(MAIN_SNIPPET, NONEXISTENT, REJECTED, false, null));
    }

    public void testBooleanPatternExpression() {
        assertEval("Number n = 0;");
        assertEval("if (!n instanceof Integer i) {}",
                   DiagCheck.DIAG_ERROR,
                   DiagCheck.DIAG_IGNORE,
                   ste(MAIN_SNIPPET, NONEXISTENT, REJECTED, false, null));
    }

    //JDK-8332230:
    public void testAnnotationsd() {
        assertEval("k=aa:a.@a",
                   DiagCheck.DIAG_ERROR,
                   DiagCheck.DIAG_IGNORE,
                   ste(MAIN_SNIPPET, NONEXISTENT, REJECTED, false, null));
    }
}