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A 'default' label dominates a case label with a case pattern, and it also dominates a case label with a 'null' case constant. IDEA-309549 GitOrigin-RevId: 6877992c530e41a1200ea7c20d6405da4be0324b
41 lines
1.8 KiB
Java
41 lines
1.8 KiB
Java
class X {
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void testDominance1(Object obj) {
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switch (obj) {
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default -> System.out.println("default");
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case <error descr="Label is dominated by a preceding case label 'default'">Integer i</error> -> System.out.println("Integer");
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case <error descr="Label is dominated by a preceding case label 'default'">String s when s.isEmpty()</error> -> System.out.println("empty String");
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case <error descr="Label is dominated by a preceding case label 'default'">null</error> -> System.out.println("null");
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}
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}
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void testDominance2(Object obj) {
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switch (obj) {
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case null, default -> System.out.println("null or default");
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case <error descr="Label is dominated by a preceding case label 'default'">Integer i</error> -> System.out.println("Integer");
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case <error descr="Label is dominated by a preceding case label 'default'">String s when s.isEmpty()</error> -> System.out.println("empty String");
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}
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}
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void testDominance3(String s) {
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switch (s) {
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default -> System.out.println("default");
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case "blah blah blah" -> System.out.println("blah blah blah");
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case <error descr="Label is dominated by a preceding case label 'default'">null</error> -> System.out.println("null");
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}
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}
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void testDominance4(String s) {
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switch (s) {
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case null, default -> System.out.println("null, default");
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case <error descr="Label is dominated by a preceding case label 'default'">"blah blah blah"</error> -> System.out.println("blah blah blah");
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}
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}
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void test(String s) {
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switch (s) {
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case null, <error descr="'switch' has both a total pattern and a default label">default</error> -> System.out.println("null, default");
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case <error descr="'switch' has both a total pattern and a default label">String str</error> -> System.out.println("String");
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}
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}
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}
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