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switch expressions: report bad result expression types

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if they are not convertible to poly expression target type
This commit is contained in:
Anna.Kozlova
2018-11-21 18:51:47 +01:00
parent 2e30e0c457
commit a7eefcd5ae
3 changed files with 27 additions and 1 deletions
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java/java-tests/testData/codeInsight/daemonCodeAnalyzer/advHighlighting12/SimpleInferenceCases.java
+7 -1
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@@ -26,9 +26,15 @@ no instance(s) of type variable(s) exist so that Object conforms to String">foo(
String s4 = foo(() -> switch (i) {default -> { break bar();}});
String s5 = foo(<error descr="Incompatible types. Required String but 'foo' was inferred to T:
no instance(s) of type variable(s) exist so that Integer conforms to String">() -> switch (i) {default -> { break 1;}}</error>);
String s6 = switch (i) {
case 1 -> <error descr="Bad type in switch expression: int cannot be converted to java.lang.String">2</error>;
default -> {
break <error descr="Bad type in switch expression: int cannot be converted to java.lang.String">1</error>;
}
};
Supplier<String> stringSupplier = switch (i) {
default -> {
break () -> <error descr="Bad return type in lambda expression: int cannot be converted to String">1</error>;
break () -> <error descr="Bad return type in lambda expression: int cannot be converted to String">1</error>;
}
};
}