73 lines
2.2 KiB
Java
73 lines
2.2 KiB
Java
/*
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* @test /nodynamiccopyright/
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* @bug 8231827
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* @summary Basic tests for bindings from instanceof - tests for merging pattern variables
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* @compile/fail/ref=BindingsTest1Merging.out -XDrawDiagnostics BindingsTest1Merging.java
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*/
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public class BindingsTest1Merging {
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public static boolean Ktrue() { return true; }
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public static void meth() {
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Object o1 = "hello";
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Integer i = 42;
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Object o2 = i;
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Object o3 = "there";
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// Test for e1 && e2.F = intersect(e1.F, e2.F)
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if (!(o1 instanceof String s) && !(o1 instanceof String s)) {
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} else {
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s.length();
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}
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// Test for (e1 || e2).T = intersect(e1.T, e2.T)
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if (o1 instanceof String s || o3 instanceof String s){
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System.out.println(s); // ?
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}
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// Test for (e1 ? e2 : e3).T contains intersect(e2.T, e3.T)
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if (Ktrue() ? o2 instanceof Integer x : o2 instanceof Integer x) {
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x.intValue();
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}
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// Test for (e1 ? e2 : e3).T contains intersect(e1.T, e3.T)
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if (o1 instanceof String s ? true : o1 instanceof String s) {
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s.length();
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}
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// Test for (e1 ? e2 : e3).T contains intersect(e1.F, e2.T)
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if (!(o1 instanceof String s) ? (o1 instanceof String s) : true) {
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s.length();
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}
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// Test for (e1 ? e2 : e3).F contains intersect(e2.F, e3.F)
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if (Ktrue() ? !(o2 instanceof Integer x) : !(o2 instanceof Integer x)){
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} else {
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x.intValue();
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}
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// Test for (e1 ? e2 : e3).F contains intersect(e1.T, e3.F)
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if (o1 instanceof String s ? true : !(o1 instanceof String s)){
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} else {
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s.length();
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}
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// Test for (e1 ? e2 : e3).F contains intersect(e1.F, e2.F)
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if (!(o1 instanceof String s) ? !(o1 instanceof String s) : true){
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} else {
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s.length();
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}
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L3: {
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if ((o1 instanceof String s) || (o3 instanceof String s)) {
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s.length();
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} else {
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break L3;
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}
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s.length();
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}
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System.out.println("BindingsTest1Merging complete");
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}
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}
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