1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233
|
// Note that this file is a near duplicate in /nullness and /nullness-uninit
import org.checkerframework.checker.initialization.qual.UnknownInitialization;
import org.checkerframework.checker.nullness.qual.*;
@org.checkerframework.framework.qual.DefaultQualifier(Nullable.class)
class RawTypesBounded {
class Bad {
@NonNull String field;
public Bad() {
// :: error: (method.invocation.invalid)
this.init(); // error
// :: error: (method.invocation.invalid)
init(); // error
this.field = "field"; // valid
// :: error: (assignment.type.incompatible)
this.field = null; // error
field = "field"; // valid
// :: error: (assignment.type.incompatible)
field = null; // error
}
void init() {
output(this.field.length()); // valid
}
}
class A {
@NonNull String field;
public A() {
this.field = "field"; // valid
field = "field"; // valid
this.init(); // valid
init(); // valid
}
public void init(@UnknownInitialization A this) {
// :: error: (dereference.of.nullable)
output(this.field.length());
}
public void initExpl2(@UnknownInitialization A this) {
// :: error: (argument.type.incompatible)
output(this.field);
}
public void initImpl1(@UnknownInitialization A this) {
// :: error: (dereference.of.nullable)
output(field.length());
}
public void initImpl2(@UnknownInitialization A this) {
// :: error: (argument.type.incompatible)
output(field);
}
}
class B extends A {
@NonNull String otherField;
public B() {
super();
// :: error: (assignment.type.incompatible)
this.otherField = null; // error
this.otherField = "otherField"; // valid
}
@Override
public void init(@UnknownInitialization B this) {
// :: error: (dereference.of.nullable)
output(this.field.length()); // error (TODO: substitution)
super.init(); // valid
}
public void initImpl1(@UnknownInitialization B this) {
// :: error: (dereference.of.nullable)
output(field.length()); // error (TODO: substitution)
}
public void initExpl2(@UnknownInitialization B this) {
// :: error: (dereference.of.nullable)
output(this.otherField.length()); // error
}
public void initImpl2(@UnknownInitialization B this) {
// :: error: (dereference.of.nullable)
output(otherField.length()); // error
}
void other() {
init(); // valid
this.init(); // valid
}
void otherRaw(@UnknownInitialization B this) {
init(); // valid
this.init(); // valid
}
}
class C extends B {
@NonNull String[] strings;
@Override
public void init(@UnknownInitialization C this) {
// :: error: (dereference.of.nullable)
output(this.strings.length); // error
System.out.println(); // valid
}
}
// To test whether the argument is @NonNull and @Initialized
static void output(@NonNull Object o) {}
class D extends C {
@Override
public void init(@UnknownInitialization D this) {
this.field = "s";
output(this.field.length());
}
}
class MyTest {
int i;
MyTest(int i) {
this.i = i;
}
void myTest(@UnknownInitialization MyTest this) {
i++;
}
}
class AllFieldsInitialized {
long elapsedMillis = 0;
long startTime = 0;
// If all fields have an initializer, then the type of "this"
// should still not be non-raw (there might be uninitilized subclasses)
public AllFieldsInitialized() {
// :: error: (method.invocation.invalid)
nonRawMethod();
}
public void nonRawMethod() {}
}
class AFSIICell {
AllFieldsSetInInitializer afsii;
}
class AllFieldsSetInInitializer {
long elapsedMillis;
long startTime;
public AllFieldsSetInInitializer() {
elapsedMillis = 0;
// :: error: (method.invocation.invalid)
nonRawMethod();
startTime = 0;
// :: error: (method.invocation.invalid)
nonRawMethod(); // still error (subclasses...)
}
public AllFieldsSetInInitializer(boolean b) {
// :: error: (method.invocation.invalid)
nonRawMethod();
}
public void nonRawMethod() {}
}
class ConstructorInvocations {
int v;
public ConstructorInvocations(int v) {
this.v = v;
}
public ConstructorInvocations() {
this(0);
// :: error: (method.invocation.invalid)
nonRawMethod();
}
public void nonRawMethod() {}
}
class MethodAccess {
public MethodAccess() {
@NonNull String s = string();
}
public @NonNull String string(@UnknownInitialization MethodAccess this) {
return "nonnull";
}
}
void cast(@UnknownInitialization Object... args) {
@SuppressWarnings("rawtypes")
// :: error: (assignment.type.incompatible)
Object[] argsNonRaw1 = args;
@SuppressWarnings("cast")
Object[] argsNonRaw2 = (Object[]) args;
}
// default qualifier is @Nullable, so this is OK.
class RawAfterConstructorBad {
Object o;
RawAfterConstructorBad() {}
}
class RawAfterConstructorOK1 {
@Nullable Object o;
RawAfterConstructorOK1() {}
}
class RawAfterConstructorOK2 {
int a;
RawAfterConstructorOK2() {}
}
}
|