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import testchecker.quals.*;
class ForEach {
Object arrayAccess1(Object[] constants) {
Object constant = constants[0];
return constant;
}
@H1S2 Object arrayAccessBad1(@H1S1 Object[] constants) {
Object constant = constants[0];
// :: error: (return.type.incompatible)
return constant;
}
// Return type defaults to H1Top
@H2S1 Object arrayAccessBad2(@H1S1 @H2S2 Object[] constants) {
Object constant = constants[0];
// :: error: (return.type.incompatible)
return constant;
}
Object iterateFor(Object[] constants) {
for (int i = 0; i < constants.length; ++i) {
Object constant = constants[i];
return constant;
}
return null;
}
Object iterateForEach(Object[] constants) {
for (Object constant : constants) {
return constant;
}
return null;
}
@H2S2 Object iterateForEachBad(@H2S1 Object[] constants) {
for (Object constant : constants) {
// :: error: (return.type.incompatible)
return constant;
}
return null;
}
// Now with a method type variable
<T extends Object> T garrayAccess1(T[] constants) {
return constants[0];
}
<T extends Object> T garrayAccess1(T p) {
T constant = p;
return constant;
}
<T extends Object> @H1S2 T garrayAccessBad1(@H1S1 T[] constants) {
T constant = constants[0];
// :: error: (return.type.incompatible)
return constant;
}
// Return type defaults to H1Top
<T extends Object> @H2S1 T garrayAccessBad2(@H1S1 @H2S2 T[] constants) {
T constant = constants[0];
// :: error: (return.type.incompatible)
return constant;
}
<T extends Object> T giterateFor(T[] constants) {
for (int i = 0; i < constants.length; ++i) {
T constant = constants[i];
return constant;
}
return null;
}
<T extends Object> T giterateForEach(T[] constants) {
for (T constant : constants) {
return constant;
}
return null;
}
<T extends Object> @H2S2 T giterateForEachBad(@H2S1 T[] constants) {
for (T constant : constants) {
// :: error: (return.type.incompatible)
return constant;
}
return null;
}
}
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