60b32f222f
Ensure an error is reported if switch expression does not correctly produce a value. Reviewed-by: mcimadamore
67 lines
1.6 KiB
Java
67 lines
1.6 KiB
Java
/*
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* @test /nodynamiccopyright/
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* @bug 8212982
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* @summary Verify a compile-time error is produced if switch expression does not provide a value
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* @compile/fail/ref=ExpressionSwitchFlow.out --enable-preview -source 12 -XDrawDiagnostics ExpressionSwitchFlow.java
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*/
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public class ExpressionSwitchFlow {
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private String test1(int i) {
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return switch (i) {
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case 0 -> {}
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default -> { break "other"; }
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};
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}
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private String test2(int i) {
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return switch (i) {
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case 0 -> {
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}
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default -> "other";
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};
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}
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private String test3(int i) {
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return switch (i) {
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case 0 -> {}
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default -> throw new IllegalStateException();
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};
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}
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private String test4(int i) {
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return switch (i) {
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case 0 -> { break "other"; }
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default -> {}
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};
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}
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private String test5(int i) {
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return switch (i) {
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case 0 -> "other";
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default -> {}
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};
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}
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private String test6(int i) {
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return switch (i) {
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case 0 -> throw new IllegalStateException();
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default -> {}
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};
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}
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private String test7(int i) {
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return switch (i) {
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case 0: throw new IllegalStateException();
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default:
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};
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}
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private String test8(int i) {
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return switch (i) {
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case 0: i++;
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default: {
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}
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};
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}
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private String test9(int i) {
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return switch (i) {
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case 0:
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default:
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System.err.println();
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};
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}
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}
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