ExpectWarning.java

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package edu.umd.cs.findbugs.annotations;

import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;

import edu.umd.cs.findbugs.BugRanker;

/**
 * Annotation indicating that a FindBugs warning is expected.
 *
 * See http://code.google.com/p/findbugs/wiki/FindbugsTestCases
 *
 * @author David Hovemeyer
 */
@Retention(RetentionPolicy.CLASS)
public @interface ExpectWarning {
    /**
     * The value indicates the bug code (e.g., NP) or bug pattern (e.g.,
     * IL_INFINITE_LOOP) of the expected warning. Can be a comma-separated list.
     */
    public String value();

    /** Want a warning at this priority or higher */
    public Confidence confidence() default Confidence.LOW;

    /** Expect a warning at least this scary */
    public int rank() default BugRanker.VISIBLE_RANK_MAX;

    /** Expect at least this many warnings */
    public int num() default 1;
}