russell@unturf.com
0a580b313d
Authors: russell@unturf.com · brackishbert@gmail.com · foxhop.net · TimeHexOn.com Patches, unit tests, benchmarks, whitepaper, and outreach briefs. Public domain — no copyright claimed. Use freely.
37 lines
1.2 KiB
Java
37 lines
1.2 KiB
Java
/*
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* @test /nodynamiccopyright/
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* @bug 8202056
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* @compile/ref=ImproperSerialPF.out -XDrawDiagnostics -Xlint:serial ImproperSerialPF.java
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*/
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import java.io.*;
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class ImproperSerialPF implements Serializable {
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// Proper declaration of serialPersistentFields is:
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// private static final ObjectStreamField[] serialPersistentFields = ...
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public /*instance*/ Object serialPersistentFields = Boolean.TRUE;
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private static final long serialVersionUID = 42;
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static class LiteralNullSPF implements Serializable {
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private static final ObjectStreamField[] serialPersistentFields = null;
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private static final long serialVersionUID = 42;
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}
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// Casting obscures the simple syntactic null-check
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static class CastedNullSPF implements Serializable {
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private static final ObjectStreamField[] serialPersistentFields =
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(ObjectStreamField[])null;
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private static final long serialVersionUID = 42;
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}
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// Conditional obscures the simple syntactic null-check too
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static class ConditionalNullSPF implements Serializable {
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private static final ObjectStreamField[] serialPersistentFields =
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(true ? null : null);
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private static final long serialVersionUID = 42;
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}
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}
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