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good code is red: take bounds into account during types agree (IDEA-76283)

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anna
2012-04-05 12:12:38 +02:00
parent 8e6cd35a1a
commit 5e682f1319
5 changed files with 63 additions and 2 deletions
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java/java-tests/testData/codeInsight/daemonCodeAnalyzer/genericsHighlighting/IDEA76283.java
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import java.util.*;
public class IDEA76283 {
}
interface Parametrized<T extends Number> {
}
class Bug1<T extends Number> {
<I extends Number> Parametrized<I> foo(Parametrized<I> param) {
return null;
}
void bug1(Parametrized<? super T> param) {
foo(param);
}
void bug2(Set<Parametrized<? extends Number>> parametrizeds) {
Set<Parametrized<?>> items = parametrizeds;
}
void bug3(Set<Parametrized<?>> parametrizeds) {
Set<Parametrized<?>> items = parametrizeds;
}
void bug4(Set<Parametrized<<error descr="Type parameter '? extends String' is not within its bound; should extend 'java.lang.Number'">? extends String</error>>> parametrizeds) {
<error descr="Incompatible types. Found: 'java.util.Set<Parametrized<? extends java.lang.String>>', required: 'java.util.Set<Parametrized<?>>'">Set<Parametrized<?>> items = parametrizeds;</error>
}
void bug5(Set<Parametrized<? extends Integer>> parametrizeds) {
<error descr="Incompatible types. Found: 'java.util.Set<Parametrized<? extends java.lang.Integer>>', required: 'java.util.Set<Parametrized<?>>'">Set<Parametrized<?>> items = parametrizeds;</error>
}
void bug6(Set<Parametrized<? super Number>> parametrizeds) {
<error descr="Incompatible types. Found: 'java.util.Set<Parametrized<? super java.lang.Number>>', required: 'java.util.Set<Parametrized<?>>'">Set<Parametrized<?>> items = parametrizeds;</error>
}
void bug7(Set<Parametrized<? super Integer>> parametrizeds) {
<error descr="Incompatible types. Found: 'java.util.Set<Parametrized<? super java.lang.Integer>>', required: 'java.util.Set<Parametrized<?>>'">Set<Parametrized<?>> items = parametrizeds;</error>
}
void bug8(Set<Parametrized<<error descr="Type parameter '? super String' is not within its bound; should extend 'java.lang.Number'">? super String</error>>> parametrizeds) {
<error descr="Incompatible types. Found: 'java.util.Set<Parametrized<? super java.lang.String>>', required: 'java.util.Set<Parametrized<?>>'">Set<Parametrized<?>> items = parametrizeds;</error>
}
void bug9(Set<Parametrized<<error descr="Type parameter '? super Object' is not within its bound; should extend 'java.lang.Number'">? super Object</error>>> parametrizeds) {
<error descr="Incompatible types. Found: 'java.util.Set<Parametrized<? super java.lang.Object>>', required: 'java.util.Set<Parametrized<?>>'">Set<Parametrized<?>> items = parametrizeds;</error>
}
}