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import org.checkerframework.checker.index.qual.Positive;
import org.checkerframework.common.value.qual.ArrayLen;
import org.checkerframework.common.value.qual.IntRange;
import org.checkerframework.common.value.qual.MinLen;
class MinLenFromPositive {
public @Positive int x = 0;
void testField() {
this.x = -1;
@IntRange(from = 1) int f = this.x;
int @MinLen(1) [] y = new int[x];
}
void testArray(@Positive int @ArrayLen(1) [] x) {
int @MinLen(1) [] array = new int[x[0]];
}
void useTestArray(int @ArrayLen(1) [] x, int[] y) {
testArray(x);
// :: error: (argument.type.incompatible)
testArray(y);
}
void test(@Positive int x) {
@IntRange(from = 1) int z = x;
@Positive int q = x;
@Positive int a = -1;
int @MinLen(1) [] array = new int[a];
}
// Ensure that just running the value checker doesn't result in an LHS warning.
void foo2(int x) {
test(x);
}
@Positive int id(@Positive int x) {
return -1;
}
@Positive int plus(@Positive int x, @Positive int y) {
// :: error: (assignment.type.incompatible)
@IntRange(from = 0) int z = x + y;
// :: error: (assignment.type.incompatible)
@IntRange(from = 1) int q = x + y;
return x + y;
}
// Ensure that LHS warnings aren't issued even for arrays of Positives
@Positive int[] array_test() {
int[] a = {-1, 2, 3};
return a;
}
}
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