36 lines
984 B
Java
36 lines
984 B
Java
/*
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* @test /nodynamiccopyright/
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* @summary Testing record patterns against the null constant (14.30.2 Pattern Matching)
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* @enablePreview
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*/
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public class NullsInDeconstructionPatterns {
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class Super {}
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class Sub extends Super {}
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record R(Super s) {}
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public static void main(String[] args) {
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R r = new R(null);
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if (r instanceof R(Super s1)) {
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System.out.println("R(Super s1) is resolved to the R(any pattern) and does match");
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} else {
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throw new AssertionError("broken");
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}
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if (r instanceof R(Object o)) {
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System.out.println("R(Object) is resolved to the R(any pattern) and does match");
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} else {
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throw new AssertionError("broken");
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}
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if (r instanceof R(Sub s2)) {
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throw new AssertionError("broken");
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} else {
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System.out.println("R(Sub s2) is resolved to the pattern R(Sub s) and does not match");
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}
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}
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}
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