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// Tests string length refinement after startsWith or endsWith return true
// https://github.com/kelloggm/checker-framework/issues/56
import org.checkerframework.common.value.qual.ArrayLen;
import org.checkerframework.common.value.qual.MinLen;
class StartsEndsWith {
void refineStartsWith(String str) {
if (str.startsWith("prefix")) {
@MinLen(6) String s6 = str;
// :: error: (assignment.type.incompatible)
@MinLen(7) String s7 = str;
} else {
// :: error: (assignment.type.incompatible)
@MinLen(6) String s6 = str;
}
}
void refineEndsWith(String str) {
if (str.endsWith("suffix")) {
@MinLen(6) String s6 = str;
// :: error: (assignment.type.incompatible)
@MinLen(7) String s7 = str;
} else {
// :: error: (assignment.type.incompatible)
@MinLen(6) String s6 = str;
}
}
void refineStartsEndsWith(String str) {
if (str.startsWith("longprefix") && str.endsWith("prefix")) {
@MinLen(10) String s10 = str;
// :: error: (assignment.type.incompatible)
@MinLen(11) String s11 = str;
}
}
void refineStartsArrayLen(String str, @ArrayLen(10) String prefix) {
if (str.startsWith(prefix)) {
@MinLen(10) String sg10 = str;
// :: error: (assignment.type.incompatible)
@ArrayLen(10) String s10 = str;
}
}
void noRefinement(@ArrayLen(10) String str) {
if (str.startsWith("x")) {
@ArrayLen(10) String s10 = str;
}
}
void refineStartsStaticFinal(String str) {
if (str.startsWith(StartsEndsWithExternal.staticFinalField)) {
@MinLen(3) String s3 = str;
}
}
}
class StartsEndsWithExternal {
public static final String staticFinalField = "str";
}
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