28 lines
969 B
Java
28 lines
969 B
Java
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/*
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* @test /nodynamiccopyright/
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* @summary Verify behavior of total patterns in instanceof
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* @compile/fail/ref=InstanceofTotalPattern-15.out -source 15 -Xlint:-options -XDrawDiagnostics InstanceofTotalPattern.java
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* @compile/fail/ref=InstanceofTotalPattern-16.out -source 16 -Xlint:-options -XDrawDiagnostics InstanceofTotalPattern.java
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* @compile/ref=InstanceofTotalPattern-preview.out --enable-preview -source ${jdk.version} -Xlint:-options,preview -XDrawDiagnostics InstanceofTotalPattern.java
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* @run main/othervm --enable-preview InstanceofTotalPattern
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*/
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public class InstanceofTotalPattern {
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public static void main(String[] args) {
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new InstanceofTotalPattern().totalTest();
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}
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void totalTest() {
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String str = "";
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if (!(str instanceof String s1)) {
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throw new AssertionError();
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}
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str = null;
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if (str instanceof String s2) {
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throw new AssertionError();
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}
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}
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}
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