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JMockit is a Java toolkit for automated developer testing. It contains APIs for the creation of the objects to be tested, for mocking dependencies, and for faking external APIs; JUnit (4 & 5) and TestNG test runners are supported. It also contains an advanced code coverage tool.

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package mockit.asm.jvmConstants;

import static mockit.asm.jvmConstants.ClassVersion.V5;

/**
 * Defines the JVM and ASM-specific access flags for classes, fields, methods, and method parameters.
 */
public final class Access {
    // Constants for standard JVM access flags.
    public static final int PUBLIC = 0x0001; // class, field, method
    @SuppressWarnings("unused")
    public static final int PRIVATE = 0x0002; // class, field, method
    public static final int PROTECTED = 0x0004; // class, field, method
    public static final int STATIC = 0x0008; // field, method
    public static final int FINAL = 0x0010; // class, field, method, parameter
    public static final int SUPER = 0x0020; // class (also, a SYNCHRONIZED method)
    public static final int BRIDGE = 0x0040; // method (also, a VOLATILE field)
    public static final int VARARGS = 0x0080; // method (also, a TRANSIENT field)
    public static final int NATIVE = 0x0100; // method
    public static final int INTERFACE = 0x0200; // class
    public static final int ABSTRACT = 0x0400; // class, method
    public static final int SYNTHETIC = 0x1000; // class, field, method, parameter
    public static final int ANNOTATION = 0x2000; // class
    public static final int ENUM = 0x4000; // class(?) field inner

    // Constants for pseudo access flags.
    private static final int DEPRECATED = 0x20000; // class, field, method
    public static final int CONSTRUCTOR = 0x80000; // method

    // Other constants /////////////////////////////////////////////////////////////////////////////////////////////////

    /**
     * To distinguish between the synthetic attribute and the synthetic access flag.
     */
    private static final int SYNTHETIC_ATTRIBUTE = 0x40000; // class, field, method

    /**
     * Factor to convert from SYNTHETIC_ATTRIBUTE to SYNTHETIC.
     */
    private static final int TO_SYNTHETIC = SYNTHETIC_ATTRIBUTE / SYNTHETIC;

    // Helper methods //////////////////////////////////////////////////////////////////////////////////////////////////

    private Access() {
    }

    public static boolean isDeprecated(int access) {
        return (access & DEPRECATED) != 0;
    }

    public static boolean isSynthetic(int access) {
        return (access & SYNTHETIC) != 0;
    }

    public static boolean isSynthetic(int access, int classVersion) {
        return isSynthetic(access) && ((access & SYNTHETIC_ATTRIBUTE) != 0 || classVersion < V5);
    }

    public static boolean isConstructor(int access) {
        return (access & CONSTRUCTOR) != 0;
    }

    public static int computeFlag(int access, int baseMask) {
        int mask = baseMask | DEPRECATED | SYNTHETIC_ATTRIBUTE | (access & SYNTHETIC_ATTRIBUTE) / TO_SYNTHETIC;
        return access & ~mask;
    }

    public static int asDeprecated(int access) {
        return access | DEPRECATED;
    }

    public static int asSynthetic(int access) {
        return access | SYNTHETIC | SYNTHETIC_ATTRIBUTE;
    }
}