69 lines
2.0 KiB
Java
69 lines
2.0 KiB
Java
/*
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* @test /nodynamiccopyright/
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* @bug 8231827
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* @summary Basic pattern bindings scope test
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* @compile/fail/ref=MatchBindingScopeTest.out -XDrawDiagnostics MatchBindingScopeTest.java
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*/
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public class MatchBindingScopeTest {
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static Integer i = 42;
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static String s = "Hello";
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static Object o1 = s;
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static Object o2 = i;
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public static void meth() {
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if (o1 instanceof String j && j.length() == 5) { // OK
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System.out.println(j); // OK
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} else {
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System.out.println(j); // NOT OK
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}
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// NOT OK, name reused.
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if (o1 instanceof String j && o2 instanceof Integer j) {
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}
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if (o1 instanceof String j && j.length() == 5 && o2 instanceof Integer k && k == 42) { // OK
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System.out.println(j); // OK
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System.out.println(k); // OK
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} else {
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System.out.println(j); // NOT OK
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System.out.println(k); // NOT OK
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}
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if (o1 instanceof String j || j.length() == 5) { // NOT OK
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System.out.println(j); // NOT OK
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}
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if (o1 instanceof String j || o2 instanceof Integer j) { // NOT OK, types differ
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System.out.println(j);
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} else {
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System.out.println(j); // NOT OK.
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}
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while (o1 instanceof String j && j.length() == 5) { // OK
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System.out.println(j); // OK
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}
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while (o1 instanceof String j || true) {
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System.out.println(j); // Not OK
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}
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for (; o1 instanceof String j; j.length()) { // OK
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System.out.println(j); // OK
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}
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for (; o1 instanceof String j || true; j.length()) { // NOT OK
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System.out.println(j); // Not OK
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}
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int x = o1 instanceof String j ?
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j.length() : // OK.
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j.length(); // NOT OK.
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x = !(o1 instanceof String j) ?
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j.length() : // NOT OK.
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j.length(); // OK.
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}
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}
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