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import org.checkerframework.checker.nullness.qual.NonNull;
import org.checkerframework.checker.nullness.qual.Nullable;
// Testcase for #738
// https://github.com/typetools/checker-framework/issues/738
// Also, see framework/tests/all-systems/Issue738.java
public class Issue738 {
void methodA(int[] is, Object @Nullable [] os, int i) {
// The type argument to methodB* for each call below is Cloneable & Serializable
// NullnessTransfer changes the type of an argument that is assigned to a @NonNull parameter
// to @NonNull. Use a switch statement to prevent this.
switch (i) {
case 1:
methodB(is, os);
break;
case 2:
// :: error: (argument.type.incompatible)
methodB2(is, os);
break;
case 3:
// :: error: (type.argument.type.incompatible)
methodB3(is, os);
break;
case 4:
// :: error: (type.argument.type.incompatible)
methodB4(is, os);
break;
}
}
<T> void methodB(T paramA, T paramB) {}
<T> void methodB2(T paramA, @NonNull T paramB) {}
<@NonNull T extends @NonNull Object> void methodB3(T paramA, T paramB) {}
<T extends @NonNull Cloneable> void methodB4(T paramA, T paramB) {}
}
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