| library; |
| import self as self; |
| import "dart:core" as core; |
| import "unsound_checks_lib.dart" as uns; |
| |
| import "org-dartlang-testcase:///unsound_checks_lib.dart"; |
| |
| class OptOutClass1 extends core::Object { |
| synthetic constructor •() → self::OptOutClass1* |
| : super core::Object::•() |
| ; |
| abstract member-signature get _identityHashCode() → core::int*; -> core::Object::_identityHashCode |
| abstract member-signature method _instanceOf(dynamic instantiatorTypeArguments, dynamic functionTypeArguments, dynamic type) → core::bool*; -> core::Object::_instanceOf |
| abstract member-signature method _simpleInstanceOf(dynamic type) → core::bool*; -> core::Object::_simpleInstanceOf |
| abstract member-signature method _simpleInstanceOfTrue(dynamic type) → core::bool*; -> core::Object::_simpleInstanceOfTrue |
| abstract member-signature method _simpleInstanceOfFalse(dynamic type) → core::bool*; -> core::Object::_simpleInstanceOfFalse |
| abstract member-signature operator ==(dynamic other) → core::bool*; -> core::Object::== |
| abstract member-signature get hashCode() → core::int*; -> core::Object::hashCode |
| abstract member-signature method toString() → core::String*; -> core::Object::toString |
| abstract member-signature method noSuchMethod(core::Invocation* invocation) → dynamic; -> core::Object::noSuchMethod |
| abstract member-signature get runtimeType() → core::Type*; -> core::Object::runtimeType |
| } |
| class OptOutClass2 extends core::Object { |
| synthetic constructor •() → self::OptOutClass2* |
| : super core::Object::•() |
| ; |
| operator [](core::int* index) → core::int* |
| return index; |
| operator []=(core::int* index, core::int* value) → void {} |
| abstract member-signature get _identityHashCode() → core::int*; -> core::Object::_identityHashCode |
| abstract member-signature method _instanceOf(dynamic instantiatorTypeArguments, dynamic functionTypeArguments, dynamic type) → core::bool*; -> core::Object::_instanceOf |
| abstract member-signature method _simpleInstanceOf(dynamic type) → core::bool*; -> core::Object::_simpleInstanceOf |
| abstract member-signature method _simpleInstanceOfTrue(dynamic type) → core::bool*; -> core::Object::_simpleInstanceOfTrue |
| abstract member-signature method _simpleInstanceOfFalse(dynamic type) → core::bool*; -> core::Object::_simpleInstanceOfFalse |
| abstract member-signature operator ==(dynamic other) → core::bool*; -> core::Object::== |
| abstract member-signature get hashCode() → core::int*; -> core::Object::hashCode |
| abstract member-signature method toString() → core::String*; -> core::Object::toString |
| abstract member-signature method noSuchMethod(core::Invocation* invocation) → dynamic; -> core::Object::noSuchMethod |
| abstract member-signature get runtimeType() → core::Type*; -> core::Object::runtimeType |
| } |
| class OptOutClass3 extends core::Object { |
| field core::int* field; |
| constructor •(core::int* field) → self::OptOutClass3* |
| : self::OptOutClass3::field = field, super core::Object::•() |
| ; |
| abstract member-signature get _identityHashCode() → core::int*; -> core::Object::_identityHashCode |
| abstract member-signature method _instanceOf(dynamic instantiatorTypeArguments, dynamic functionTypeArguments, dynamic type) → core::bool*; -> core::Object::_instanceOf |
| abstract member-signature method _simpleInstanceOf(dynamic type) → core::bool*; -> core::Object::_simpleInstanceOf |
| abstract member-signature method _simpleInstanceOfTrue(dynamic type) → core::bool*; -> core::Object::_simpleInstanceOfTrue |
| abstract member-signature method _simpleInstanceOfFalse(dynamic type) → core::bool*; -> core::Object::_simpleInstanceOfFalse |
| abstract member-signature operator ==(dynamic other) → core::bool*; -> core::Object::== |
| abstract member-signature get hashCode() → core::int*; -> core::Object::hashCode |
| abstract member-signature method toString() → core::String*; -> core::Object::toString |
| abstract member-signature method noSuchMethod(core::Invocation* invocation) → dynamic; -> core::Object::noSuchMethod |
| abstract member-signature get runtimeType() → core::Type*; -> core::Object::runtimeType |
| } |
| class OptOutSuperClass4 extends core::Object { |
| synthetic constructor •() → self::OptOutSuperClass4* |
| : super core::Object::•() |
| ; |
| operator [](core::int* index) → core::int* |
| return index; |
| operator []=(core::int* index, core::int* value) → void {} |
| abstract member-signature get _identityHashCode() → core::int*; -> core::Object::_identityHashCode |
| abstract member-signature method _instanceOf(dynamic instantiatorTypeArguments, dynamic functionTypeArguments, dynamic type) → core::bool*; -> core::Object::_instanceOf |
| abstract member-signature method _simpleInstanceOf(dynamic type) → core::bool*; -> core::Object::_simpleInstanceOf |
| abstract member-signature method _simpleInstanceOfTrue(dynamic type) → core::bool*; -> core::Object::_simpleInstanceOfTrue |
| abstract member-signature method _simpleInstanceOfFalse(dynamic type) → core::bool*; -> core::Object::_simpleInstanceOfFalse |
| abstract member-signature operator ==(dynamic other) → core::bool*; -> core::Object::== |
| abstract member-signature get hashCode() → core::int*; -> core::Object::hashCode |
| abstract member-signature method toString() → core::String*; -> core::Object::toString |
| abstract member-signature method noSuchMethod(core::Invocation* invocation) → dynamic; -> core::Object::noSuchMethod |
| abstract member-signature get runtimeType() → core::Type*; -> core::Object::runtimeType |
| } |
| class OptOutClass4 extends self::OptOutSuperClass4 { |
| synthetic constructor •() → self::OptOutClass4* |
| : super self::OptOutSuperClass4::•() |
| ; |
| method method(core::int* i) → dynamic |
| return let final core::int* #t1 = i in let final core::int* #t2 = super.{self::OptOutSuperClass4::[]}(#t1) in #t2.{core::num::==}(null) ?{core::int*} let final core::int* #t3 = 42 in let final void #t4 = super.{self::OptOutSuperClass4::[]=}(#t1, #t3) in #t3 : #t2; |
| method methodForEffect(core::int* i) → dynamic { |
| let final core::int* #t5 = i in super.{self::OptOutSuperClass4::[]}(#t5).{core::num::==}(null) ?{core::int*} super.{self::OptOutSuperClass4::[]=}(#t5, 42) : null; |
| } |
| } |
| class OptOutClass5 extends core::Object { |
| field core::int* field; |
| constructor •(core::int* field) → self::OptOutClass5* |
| : self::OptOutClass5::field = field, super core::Object::•() |
| ; |
| abstract member-signature get _identityHashCode() → core::int*; -> core::Object::_identityHashCode |
| abstract member-signature method _instanceOf(dynamic instantiatorTypeArguments, dynamic functionTypeArguments, dynamic type) → core::bool*; -> core::Object::_instanceOf |
| abstract member-signature method _simpleInstanceOf(dynamic type) → core::bool*; -> core::Object::_simpleInstanceOf |
| abstract member-signature method _simpleInstanceOfTrue(dynamic type) → core::bool*; -> core::Object::_simpleInstanceOfTrue |
| abstract member-signature method _simpleInstanceOfFalse(dynamic type) → core::bool*; -> core::Object::_simpleInstanceOfFalse |
| abstract member-signature operator ==(dynamic other) → core::bool*; -> core::Object::== |
| abstract member-signature get hashCode() → core::int*; -> core::Object::hashCode |
| abstract member-signature method toString() → core::String*; -> core::Object::toString |
| abstract member-signature method noSuchMethod(core::Invocation* invocation) → dynamic; -> core::Object::noSuchMethod |
| abstract member-signature get runtimeType() → core::Type*; -> core::Object::runtimeType |
| } |
| extension OptOutExtension on self::OptOutClass1* { |
| operator [] = self::OptOutExtension|[]; |
| operator []= = self::OptOutExtension|[]=; |
| } |
| static method isNullOptOut1(core::int* i) → dynamic |
| return i.{core::num::==}(null); |
| static method isNotNullOptOut1(core::int* i) → dynamic |
| return !i.{core::num::==}(null); |
| static method isNullOptOut2(core::int* i) → dynamic |
| return null.{core::Object::==}(i); |
| static method isNotNullOptOut2(core::int* i) → dynamic |
| return !null.{core::Object::==}(i); |
| static method ifNullOptOut(core::int* i) → dynamic |
| return let final core::int* #t6 = i in #t6.{core::num::==}(null) ?{core::int*} 42 : #t6; |
| static method OptOutExtension|[](lowered final self::OptOutClass1* #this, core::int* index) → core::int* |
| return index; |
| static method OptOutExtension|[]=(lowered final self::OptOutClass1* #this, core::int* index, core::int* value) → void {} |
| static method extensionIfNullOptOut1(core::int* i) → dynamic |
| return let final self::OptOutClass1* #t7 = new self::OptOutClass1::•() in let final core::int* #t8 = i in let final core::int* #t9 = self::OptOutExtension|[](#t7, #t8) in #t9.{core::num::==}(null) ?{core::int*} let final core::int* #t10 = 42 in let final void #t11 = self::OptOutExtension|[]=(#t7, #t8, #t10) in #t10 : #t9; |
| static method extensionIfNullOptOut1ForEffect(core::int* i) → dynamic { |
| let final self::OptOutClass1* #t12 = new self::OptOutClass1::•() in let final core::int* #t13 = i in self::OptOutExtension|[](#t12, #t13).{core::num::==}(null) ?{core::int*} self::OptOutExtension|[]=(#t12, #t13, 42) : null; |
| } |
| static method extensionIfNullOptOut2(core::int* i) → dynamic |
| return let final self::OptOutClass1* #t14 = new self::OptOutClass1::•() in let final core::int* #t15 = i in let final core::int* #t16 = self::OptOutExtension|[](#t14, #t15) in #t16.{core::num::==}(null) ?{core::int*} let final core::int* #t17 = 42 in let final void #t18 = self::OptOutExtension|[]=(#t14, #t15, #t17) in #t17 : #t16; |
| static method extensionIfNullOptOut2ForEffect(core::int* i) → dynamic { |
| let final self::OptOutClass1* #t19 = new self::OptOutClass1::•() in let final core::int* #t20 = i in self::OptOutExtension|[](#t19, #t20).{core::num::==}(null) ?{core::int*} self::OptOutExtension|[]=(#t19, #t20, 42) : null; |
| } |
| static method ifNullIndexSetOptOut(core::int* i) → dynamic |
| return let final self::OptOutClass2* #t21 = new self::OptOutClass2::•() in let final core::int* #t22 = i in let final core::int* #t23 = #t21.{self::OptOutClass2::[]}(#t22) in #t23.{core::num::==}(null) ?{core::int*} let final core::int* #t24 = 42 in let final void #t25 = #t21.{self::OptOutClass2::[]=}(#t22, #t24) in #t24 : #t23; |
| static method ifNullIndexSetOptOutForEffect(core::int* i) → dynamic { |
| let final self::OptOutClass2* #t26 = new self::OptOutClass2::•() in let final core::int* #t27 = i in #t26.{self::OptOutClass2::[]}(#t27).{core::num::==}(null) ?{core::int*} #t26.{self::OptOutClass2::[]=}(#t27, 42) : null; |
| } |
| static method ifNullPropertySetOptOut(core::int* i) → dynamic |
| return let final self::OptOutClass3* #t28 = new self::OptOutClass3::•(i) in let final core::int* #t29 = #t28.{self::OptOutClass3::field} in #t29.{core::num::==}(null) ?{core::int*} #t28.{self::OptOutClass3::field} = 42 : #t29; |
| static method ifNullPropertySetOptOutForEffect(core::int* i) → dynamic { |
| let final self::OptOutClass3* #t30 = new self::OptOutClass3::•(i) in #t30.{self::OptOutClass3::field}.{core::num::==}(null) ?{core::int*} #t30.{self::OptOutClass3::field} = 42 : null; |
| } |
| static method ifNullSetOptOut(core::int* i) → dynamic |
| return let final core::int* #t31 = i in #t31.{core::num::==}(null) ?{core::int*} i = 42 : #t31; |
| static method ifNullSetOptOutForEffect(core::int* i) → dynamic { |
| i.{core::num::==}(null) ?{core::int*} i = 42 : null; |
| } |
| static method ifNullSuperIndexSetOptOut(core::int* i) → dynamic |
| return new self::OptOutClass4::•().{self::OptOutClass4::method}(i); |
| static method ifNullSuperIndexSetOptOutForEffect(core::int* i) → dynamic { |
| new self::OptOutClass4::•().{self::OptOutClass4::methodForEffect}(i); |
| } |
| static method nullAwareIfNullSetOptOut(core::int* i) → dynamic { |
| self::OptOutClass5* o = new self::OptOutClass5::•(i); |
| return let final self::OptOutClass5* #t32 = o in #t32.{self::OptOutClass5::==}(null) ?{core::int*} null : let final core::int* #t33 = #t32.{self::OptOutClass5::field} in #t33.{core::num::==}(null) ?{core::int*} #t32.{self::OptOutClass5::field} = 42 : #t33; |
| } |
| static method nullAwareIfNullSetOptOutForEffect(core::int* i) → dynamic { |
| self::OptOutClass5* o = new self::OptOutClass5::•(i); |
| let final self::OptOutClass5* #t34 = o in #t34.{self::OptOutClass5::==}(null) ?{core::int*} null : #t34.{self::OptOutClass5::field}.{core::num::==}(null) ?{core::int*} #t34.{self::OptOutClass5::field} = 42 : null; |
| } |
| static method isTestOptOut(core::int* i) → dynamic |
| return i is core::int*; |
| static method isNotTestOptOut(core::int* i) → dynamic |
| return !(i is core::int*); |
| static method main() → dynamic { |
| self::expect(false, uns::isNullOptIn1(0)); |
| self::expect(false, self::isNullOptOut1(0)); |
| self::expect(true, uns::isNullOptIn1(null)); |
| self::expect(true, self::isNullOptOut1(null)); |
| self::expect(true, uns::isNotNullOptIn1(0)); |
| self::expect(true, self::isNotNullOptOut1(0)); |
| self::expect(false, uns::isNotNullOptIn1(null)); |
| self::expect(false, self::isNotNullOptOut1(null)); |
| self::expect(false, uns::isNullOptIn2(0)); |
| self::expect(false, self::isNullOptOut2(0)); |
| self::expect(true, uns::isNullOptIn2(null)); |
| self::expect(true, self::isNullOptOut2(null)); |
| self::expect(true, uns::isNotNullOptIn2(0)); |
| self::expect(true, self::isNotNullOptOut2(0)); |
| self::expect(false, uns::isNotNullOptIn2(null)); |
| self::expect(false, self::isNotNullOptOut2(null)); |
| self::expect(0, uns::ifNullOptIn(0)); |
| self::expect(0, self::ifNullOptOut(0)); |
| self::expect(42, uns::ifNullOptIn(null)); |
| self::expect(42, self::ifNullOptOut(null)); |
| self::expect(0, uns::extensionIfNullOptIn1(0)); |
| self::expect(0, self::extensionIfNullOptOut1(0)); |
| self::expect(42, uns::extensionIfNullOptIn1(null)); |
| self::expect(42, self::extensionIfNullOptOut1(null)); |
| uns::extensionIfNullOptIn1ForEffect(0); |
| self::extensionIfNullOptOut1ForEffect(0); |
| uns::extensionIfNullOptIn1ForEffect(null); |
| self::extensionIfNullOptOut1ForEffect(null); |
| self::expect(0, uns::extensionIfNullOptIn2(0)); |
| self::expect(0, self::extensionIfNullOptOut2(0)); |
| self::expect(42, uns::extensionIfNullOptIn2(null)); |
| self::expect(42, self::extensionIfNullOptOut2(null)); |
| uns::extensionIfNullOptIn2ForEffect(0); |
| self::extensionIfNullOptOut2ForEffect(0); |
| uns::extensionIfNullOptIn2ForEffect(null); |
| self::extensionIfNullOptOut2ForEffect(null); |
| self::expect(0, uns::ifNullIndexSetOptIn(0)); |
| self::expect(0, self::ifNullIndexSetOptOut(0)); |
| self::expect(42, uns::ifNullIndexSetOptIn(null)); |
| self::expect(42, self::ifNullIndexSetOptOut(null)); |
| uns::ifNullIndexSetOptInForEffect(0); |
| self::ifNullIndexSetOptOutForEffect(0); |
| uns::ifNullIndexSetOptInForEffect(null); |
| self::ifNullIndexSetOptOutForEffect(null); |
| self::expect(0, uns::ifNullPropertySetOptIn(0)); |
| self::expect(0, self::ifNullPropertySetOptOut(0)); |
| self::expect(42, uns::ifNullPropertySetOptIn(null)); |
| self::expect(42, self::ifNullPropertySetOptOut(null)); |
| uns::ifNullPropertySetOptInForEffect(0); |
| self::ifNullPropertySetOptOutForEffect(0); |
| uns::ifNullPropertySetOptInForEffect(null); |
| self::ifNullPropertySetOptOutForEffect(null); |
| self::expect(0, uns::ifNullSetOptIn(0)); |
| self::expect(0, self::ifNullSetOptOut(0)); |
| self::expect(42, uns::ifNullSetOptIn(null)); |
| self::expect(42, self::ifNullSetOptOut(null)); |
| uns::ifNullSetOptInForEffect(0); |
| self::ifNullSetOptOutForEffect(0); |
| uns::ifNullSetOptInForEffect(null); |
| self::ifNullSetOptOutForEffect(null); |
| self::expect(0, uns::ifNullSuperIndexSetOptIn(0)); |
| self::expect(0, self::ifNullSuperIndexSetOptOut(0)); |
| self::expect(42, uns::ifNullSuperIndexSetOptIn(null)); |
| self::expect(42, self::ifNullSuperIndexSetOptOut(null)); |
| uns::ifNullSuperIndexSetOptInForEffect(0); |
| self::ifNullSuperIndexSetOptOutForEffect(0); |
| uns::ifNullSuperIndexSetOptInForEffect(null); |
| self::ifNullSuperIndexSetOptOutForEffect(null); |
| self::expect(0, uns::nullAwareIfNullSetOptIn(0)); |
| self::expect(0, self::nullAwareIfNullSetOptOut(0)); |
| self::expect(42, uns::nullAwareIfNullSetOptIn(null)); |
| self::expect(42, self::nullAwareIfNullSetOptOut(null)); |
| uns::nullAwareIfNullSetOptInForEffect(0); |
| self::nullAwareIfNullSetOptOutForEffect(0); |
| uns::nullAwareIfNullSetOptInForEffect(null); |
| self::nullAwareIfNullSetOptOutForEffect(null); |
| self::expect(true, uns::isTestOptIn(0)); |
| self::expect(true, self::isTestOptOut(0)); |
| self::expect(false, uns::isTestOptIn(null)); |
| self::expect(false, self::isTestOptOut(null)); |
| self::expect(false, uns::isNotTestOptIn(0)); |
| self::expect(false, self::isNotTestOptOut(0)); |
| self::expect(true, uns::isNotTestOptIn(null)); |
| self::expect(true, self::isNotTestOptOut(null)); |
| self::expect(true, uns::nullAwareAccess1(0)); |
| self::expect(null, uns::nullAwareAccess1(null)); |
| uns::promotionToNever(0); |
| uns::promotionToNever(null); |
| uns::unnecessaryNullCheck(() → core::int* => 0); |
| uns::unnecessaryNullCheck(() → Null => null); |
| self::expect(0, uns::unnecessaryIfNull(() → core::int* => 0, () → core::int* => 42)); |
| self::expect(42, uns::unnecessaryIfNull(() → Null => null, () → core::int* => 42)); |
| uns::unnecessaryIfNullAssign(<core::int*>[0], () → core::int* => 42); |
| uns::unnecessaryIfNullAssign(<core::int*>[null], () → core::int* => 42); |
| uns::unnecessaryNullAwareAccess(() → core::int* => 0); |
| uns::unnecessaryNullAwareAccess(() → Null => null); |
| self::throws(() → dynamic => uns::callReturningNever(() → <BottomType>=> throw "foo"), (core::Object* e) → core::bool* => e.{core::Object::==}("foo")); |
| () →* Null f = () → Null => null; |
| self::throws(() → dynamic => uns::callReturningNever(f)); |
| uns::switchOnEnum(#C3); |
| uns::switchOnEnum(#C6); |
| self::throws(() → dynamic => uns::switchOnEnum(null)); |
| uns::switchOnEnumWithBreak(#C3); |
| uns::switchOnEnumWithBreak(#C6); |
| self::throws(() → dynamic => uns::switchOnEnumWithBreak(null)); |
| uns::switchOnEnumWithFallThrough1(#C3); |
| uns::switchOnEnumWithFallThrough1(#C6); |
| self::throws(() → dynamic => uns::switchOnEnumWithFallThrough1(null)); |
| uns::switchOnEnumWithFallThrough2(#C3); |
| uns::switchOnEnumWithFallThrough2(#C6); |
| self::throws(() → dynamic => uns::switchOnEnumWithFallThrough2(null)); |
| } |
| static method expect(dynamic expected, dynamic actual) → dynamic { |
| if(!expected.{core::Object::==}(actual)) |
| throw "Expected ${expected}, actual ${actual}"; |
| } |
| static method throws(() →* void f, [(core::Object*) →* core::bool* testException = #C7]) → dynamic { |
| try { |
| f.call(); |
| } |
| on dynamic catch(final dynamic e) { |
| if(!testException.{core::Object::==}(null) && !testException.call(e)) { |
| throw "Unexpected exception: ${e}"; |
| } |
| core::print(e); |
| return; |
| } |
| throw "Missing exception."; |
| } |
| |
| library /*isNonNullableByDefault*/; |
| // |
| // Problems in library: |
| // |
| // pkg/front_end/testcases/nnbd_mixed/unsound_checks_lib.dart:13:23: Warning: Operand of null-aware operation '??' has type 'int' which excludes null. |
| // ifNullOptIn(int i) => i ?? 42; |
| // ^ |
| // |
| // pkg/front_end/testcases/nnbd_mixed/unsound_checks_lib.dart:22:66: Warning: Operand of null-aware operation '??=' has type 'int' which excludes null. |
| // extensionIfNullOptIn1(int i) => OptInExtension(new OptInClass1())[i] ??= 42; |
| // ^ |
| // |
| // pkg/front_end/testcases/nnbd_mixed/unsound_checks_lib.dart:25:36: Warning: Operand of null-aware operation '??=' has type 'int' which excludes null. |
| // OptInExtension(new OptInClass1())[i] ??= 42; |
| // ^ |
| // |
| // pkg/front_end/testcases/nnbd_mixed/unsound_checks_lib.dart:28:50: Warning: Operand of null-aware operation '??=' has type 'int' which excludes null. |
| // extensionIfNullOptIn2(int i) => new OptInClass1()[i] ??= 42; |
| // ^ |
| // |
| // pkg/front_end/testcases/nnbd_mixed/unsound_checks_lib.dart:31:20: Warning: Operand of null-aware operation '??=' has type 'int' which excludes null. |
| // new OptInClass1()[i] ??= 42; |
| // ^ |
| // |
| // pkg/front_end/testcases/nnbd_mixed/unsound_checks_lib.dart:39:48: Warning: Operand of null-aware operation '??=' has type 'int' which excludes null. |
| // ifNullIndexSetOptIn(int i) => new OptInClass2()[i] ??= 42; |
| // ^ |
| // |
| // pkg/front_end/testcases/nnbd_mixed/unsound_checks_lib.dart:42:20: Warning: Operand of null-aware operation '??=' has type 'int' which excludes null. |
| // new OptInClass2()[i] ??= 42; |
| // ^ |
| // |
| // pkg/front_end/testcases/nnbd_mixed/unsound_checks_lib.dart:51:53: Warning: Operand of null-aware operation '??=' has type 'int' which excludes null. |
| // ifNullPropertySetOptIn(int i) => new OptInClass3(i).field ??= 42; |
| // ^ |
| // |
| // pkg/front_end/testcases/nnbd_mixed/unsound_checks_lib.dart:54:22: Warning: Operand of null-aware operation '??=' has type 'int' which excludes null. |
| // new OptInClass3(i).field ??= 42; |
| // ^ |
| // |
| // pkg/front_end/testcases/nnbd_mixed/unsound_checks_lib.dart:57:26: Warning: Operand of null-aware operation '??=' has type 'int' which excludes null. |
| // ifNullSetOptIn(int i) => i ??= 42; |
| // ^ |
| // |
| // pkg/front_end/testcases/nnbd_mixed/unsound_checks_lib.dart:60:3: Warning: Operand of null-aware operation '??=' has type 'int' which excludes null. |
| // i ??= 42; |
| // ^ |
| // |
| // pkg/front_end/testcases/nnbd_mixed/unsound_checks_lib.dart:69:25: Warning: Operand of null-aware operation '??=' has type 'int' which excludes null. |
| // method(int i) => super[i] ??= 42; |
| // ^ |
| // |
| // pkg/front_end/testcases/nnbd_mixed/unsound_checks_lib.dart:71:10: Warning: Operand of null-aware operation '??=' has type 'int' which excludes null. |
| // super[i] ??= 42; |
| // ^ |
| // |
| // pkg/front_end/testcases/nnbd_mixed/unsound_checks_lib.dart:113:28: Warning: Operand of null-aware operation '?.' has type 'int' which excludes null. |
| // nullAwareAccess1(int i) => i?.isEven; |
| // ^ |
| // |
| // pkg/front_end/testcases/nnbd_mixed/unsound_checks_lib.dart:116:3: Warning: Operand of null-aware operation '?.' has type 'int' which excludes null. |
| // i?.isEven; |
| // ^ |
| // |
| // pkg/front_end/testcases/nnbd_mixed/unsound_checks_lib.dart:128:11: Warning: Operand of null-aware operation '??' has type 'int' which excludes null. |
| // return f() ?? |
| // ^ |
| // |
| // pkg/front_end/testcases/nnbd_mixed/unsound_checks_lib.dart:134:4: Warning: Operand of null-aware operation '??=' has type 'int' which excludes null. |
| // x[0] ??= f(); |
| // ^ |
| // |
| // pkg/front_end/testcases/nnbd_mixed/unsound_checks_lib.dart:138:4: Warning: Operand of null-aware operation '?.' has type 'int' which excludes null. |
| // f()?.gcd(0); // Should not throw if `f` returns null |
| // ^ |
| // |
| // pkg/front_end/testcases/nnbd_mixed/unsound_checks_lib.dart:195:10: Error: Not enough type information to disambiguate between literal set and literal map. |
| // Try providing type arguments for the literal explicitly to disambiguate it. |
| // return {...d}; // Should not throw ReachabilityError. |
| // ^ |
| // |
| import self as uns; |
| import "dart:core" as core; |
| import "dart:_internal" as _in; |
| |
| class OptInClass1 extends core::Object { |
| synthetic constructor •() → uns::OptInClass1 |
| : super core::Object::•() |
| ; |
| } |
| class OptInClass2 extends core::Object { |
| synthetic constructor •() → uns::OptInClass2 |
| : super core::Object::•() |
| ; |
| operator [](core::int index) → core::int |
| return index; |
| operator []=(core::int index, core::int value) → void {} |
| } |
| class OptInClass3 extends core::Object { |
| field core::int field; |
| constructor •(core::int field) → uns::OptInClass3 |
| : uns::OptInClass3::field = field, super core::Object::•() |
| ; |
| } |
| class OptInSuperClass4 extends core::Object { |
| synthetic constructor •() → uns::OptInSuperClass4 |
| : super core::Object::•() |
| ; |
| operator [](core::int index) → core::int |
| return index; |
| operator []=(core::int index, core::int value) → void {} |
| } |
| class OptInClass4 extends uns::OptInSuperClass4 { |
| synthetic constructor •() → uns::OptInClass4 |
| : super uns::OptInSuperClass4::•() |
| ; |
| method method(core::int i) → dynamic |
| return let final core::int #t35 = i in let final core::int #t36 = super.{uns::OptInSuperClass4::[]}(#t35) in #t36.{core::num::==}(null) ?{core::int} let final core::int #t37 = 42 in let final void #t38 = super.{uns::OptInSuperClass4::[]=}(#t35, #t37) in #t37 : #t36; |
| method methodForEffect(core::int i) → dynamic { |
| let final core::int #t39 = i in super.{uns::OptInSuperClass4::[]}(#t39).{core::num::==}(null) ?{core::int} super.{uns::OptInSuperClass4::[]=}(#t39, 42) : null; |
| } |
| } |
| class OptInClass5 extends core::Object { |
| field core::int field; |
| constructor •(core::int field) → uns::OptInClass5 |
| : uns::OptInClass5::field = field, super core::Object::•() |
| ; |
| } |
| class OptInClass6a extends core::Object { |
| final field uns::OptInClass6b cls; |
| constructor •(uns::OptInClass6b cls) → uns::OptInClass6a |
| : uns::OptInClass6a::cls = cls, super core::Object::•() |
| ; |
| } |
| class OptInClass6b extends core::Object { |
| final field core::int field; |
| constructor •(core::int field) → uns::OptInClass6b |
| : uns::OptInClass6b::field = field, super core::Object::•() |
| ; |
| } |
| class E extends core::Object /*isEnum*/ { |
| final field core::int index; |
| final field core::String _name; |
| static const field core::List<uns::E> values = #C8; |
| static const field uns::E e1 = #C3; |
| static const field uns::E e2 = #C6; |
| const constructor •(core::int index, core::String _name) → uns::E |
| : uns::E::index = index, uns::E::_name = _name, super core::Object::•() |
| ; |
| method toString() → core::String |
| return this.{uns::E::_name}; |
| } |
| extension OptInExtension on uns::OptInClass1 { |
| operator [] = uns::OptInExtension|[]; |
| operator []= = uns::OptInExtension|[]=; |
| } |
| static method isNullOptIn1(core::int i) → dynamic |
| return i.{core::num::==}(null); |
| static method isNotNullOptIn1(core::int i) → dynamic |
| return !i.{core::num::==}(null); |
| static method isNullOptIn2(core::int i) → dynamic |
| return null.{core::Object::==}(i); |
| static method isNotNullOptIn2(core::int i) → dynamic |
| return !null.{core::Object::==}(i); |
| static method ifNullOptIn(core::int i) → dynamic |
| return let final core::int #t40 = i in #t40.{core::num::==}(null) ?{core::int} 42 : #t40; |
| static method OptInExtension|[](lowered final uns::OptInClass1 #this, core::int index) → core::int |
| return index; |
| static method OptInExtension|[]=(lowered final uns::OptInClass1 #this, core::int index, core::int value) → void {} |
| static method extensionIfNullOptIn1(core::int i) → dynamic |
| return let final uns::OptInClass1 #t41 = new uns::OptInClass1::•() in let final core::int #t42 = i in let final core::int #t43 = uns::OptInExtension|[](#t41, #t42) in #t43.{core::num::==}(null) ?{core::int} let final core::int #t44 = 42 in let final void #t45 = uns::OptInExtension|[]=(#t41, #t42, #t44) in #t44 : #t43; |
| static method extensionIfNullOptIn1ForEffect(core::int i) → dynamic { |
| let final uns::OptInClass1 #t46 = new uns::OptInClass1::•() in let final core::int #t47 = i in uns::OptInExtension|[](#t46, #t47).{core::num::==}(null) ?{core::int} uns::OptInExtension|[]=(#t46, #t47, 42) : null; |
| } |
| static method extensionIfNullOptIn2(core::int i) → dynamic |
| return let final uns::OptInClass1 #t48 = new uns::OptInClass1::•() in let final core::int #t49 = i in let final core::int #t50 = uns::OptInExtension|[](#t48, #t49) in #t50.{core::num::==}(null) ?{core::int} let final core::int #t51 = 42 in let final void #t52 = uns::OptInExtension|[]=(#t48, #t49, #t51) in #t51 : #t50; |
| static method extensionIfNullOptIn2ForEffect(core::int i) → dynamic { |
| let final uns::OptInClass1 #t53 = new uns::OptInClass1::•() in let final core::int #t54 = i in uns::OptInExtension|[](#t53, #t54).{core::num::==}(null) ?{core::int} uns::OptInExtension|[]=(#t53, #t54, 42) : null; |
| } |
| static method ifNullIndexSetOptIn(core::int i) → dynamic |
| return let final uns::OptInClass2 #t55 = new uns::OptInClass2::•() in let final core::int #t56 = i in let final core::int #t57 = #t55.{uns::OptInClass2::[]}(#t56) in #t57.{core::num::==}(null) ?{core::int} let final core::int #t58 = 42 in let final void #t59 = #t55.{uns::OptInClass2::[]=}(#t56, #t58) in #t58 : #t57; |
| static method ifNullIndexSetOptInForEffect(core::int i) → dynamic { |
| let final uns::OptInClass2 #t60 = new uns::OptInClass2::•() in let final core::int #t61 = i in #t60.{uns::OptInClass2::[]}(#t61).{core::num::==}(null) ?{core::int} #t60.{uns::OptInClass2::[]=}(#t61, 42) : null; |
| } |
| static method ifNullPropertySetOptIn(core::int i) → dynamic |
| return let final uns::OptInClass3 #t62 = new uns::OptInClass3::•(i) in let final core::int #t63 = #t62.{uns::OptInClass3::field} in #t63.{core::num::==}(null) ?{core::int} #t62.{uns::OptInClass3::field} = 42 : #t63; |
| static method ifNullPropertySetOptInForEffect(core::int i) → dynamic { |
| let final uns::OptInClass3 #t64 = new uns::OptInClass3::•(i) in #t64.{uns::OptInClass3::field}.{core::num::==}(null) ?{core::int} #t64.{uns::OptInClass3::field} = 42 : null; |
| } |
| static method ifNullSetOptIn(core::int i) → dynamic |
| return let final core::int #t65 = i in #t65.{core::num::==}(null) ?{core::int} i = 42 : #t65; |
| static method ifNullSetOptInForEffect(core::int i) → dynamic { |
| i.{core::num::==}(null) ?{core::int} i = 42 : null; |
| } |
| static method ifNullSuperIndexSetOptIn(core::int i) → dynamic |
| return new uns::OptInClass4::•().{uns::OptInClass4::method}(i); |
| static method ifNullSuperIndexSetOptInForEffect(core::int i) → dynamic { |
| new uns::OptInClass4::•().{uns::OptInClass4::methodForEffect}(i); |
| } |
| static method nullAwareIfNullSetOptIn(core::int i) → dynamic { |
| uns::OptInClass5? o = new uns::OptInClass5::•(i) as{ForNonNullableByDefault} uns::OptInClass5?; |
| return let final uns::OptInClass5? #t66 = o in #t66.{core::Object::==}(null) ?{core::int?} null : let final core::int #t67 = #t66.{uns::OptInClass5::field} in #t67.{core::num::==}(null) ?{core::int} #t66.{uns::OptInClass5::field} = 42 : #t67; |
| } |
| static method nullAwareIfNullSetOptInForEffect(core::int i) → dynamic { |
| uns::OptInClass5? o = new uns::OptInClass5::•(i) as{ForNonNullableByDefault} uns::OptInClass5?; |
| let final uns::OptInClass5? #t68 = o in #t68.{core::Object::==}(null) ?{core::int?} null : #t68.{uns::OptInClass5::field}.{core::num::==}(null) ?{core::int} #t68.{uns::OptInClass5::field} = 42 : null; |
| } |
| static method isTestOptIn(core::int i) → dynamic |
| return i is{ForNonNullableByDefault} core::int; |
| static method isNotTestOptIn(core::int i) → dynamic |
| return !(i is{ForNonNullableByDefault} core::int); |
| static method nullAwareAccess1(core::int i) → dynamic |
| return let final core::int #t69 = i in #t69.{core::num::==}(null) ?{core::bool?} null : #t69.{core::int::isEven}; |
| static method nullAwareAccessForEffect1(core::int i) → dynamic { |
| let final core::int #t70 = i in #t70.{core::num::==}(null) ?{core::bool?} null : #t70.{core::int::isEven}; |
| } |
| static method promotionToNever(core::int i) → dynamic { |
| if(i is{ForNonNullableByDefault} core::int) |
| return; |
| } |
| static method unnecessaryNullCheck(() → core::int f) → dynamic { |
| if(!f.call().{core::num::==}(null)) |
| return; |
| } |
| static method unnecessaryIfNull(() → core::int f, () → core::int g) → dynamic { |
| return let final core::int #t71 = f.call() in #t71.{core::num::==}(null) ?{core::int} g.call() : #t71; |
| } |
| static method unnecessaryIfNullAssign(core::List<core::int> x, () → core::int f) → dynamic { |
| let final core::List<core::int> #t72 = x in let final core::int #t73 = 0 in #t72.{core::List::[]}(#t73).{core::num::==}(null) ?{core::int} #t72.{core::List::[]=}(#t73, f.call()) : null; |
| } |
| static method unnecessaryNullAwareAccess(() → core::int f) → dynamic { |
| let final core::int #t74 = f.call() in #t74.{core::num::==}(null) ?{core::int?} null : #t74.{core::int::gcd}(0); |
| } |
| static method callReturningNever(() → Never f) → dynamic { |
| let final Never #t75 = f.call() in throw new _in::ReachabilityError::•("`null` encountered as the result from expression with type `Never`."); |
| } |
| static method switchOnEnum(uns::E e) → dynamic { |
| switch(e) { |
| #L1: |
| case #C3: |
| { |
| return; |
| } |
| #L2: |
| case #C6: |
| { |
| return; |
| } |
| #L3: |
| default: |
| throw new _in::ReachabilityError::•("`null` encountered as case in a switch expression with a non-nullable enum type."); |
| } |
| } |
| static method switchOnEnumWithBreak(uns::E e) → dynamic { |
| #L4: |
| switch(e) { |
| #L5: |
| case #C3: |
| { |
| break #L4; |
| } |
| #L6: |
| case #C6: |
| { |
| break #L4; |
| } |
| #L7: |
| default: |
| throw new _in::ReachabilityError::•("`null` encountered as case in a switch expression with a non-nullable enum type."); |
| } |
| } |
| static method switchOnEnumWithFallThrough1(uns::E e) → dynamic { |
| #L8: |
| switch(e) { |
| #L9: |
| case #C3: |
| { |
| break #L8; |
| } |
| #L10: |
| case #C6: |
| { |
| break #L8; |
| } |
| #L11: |
| default: |
| throw new _in::ReachabilityError::•("`null` encountered as case in a switch expression with a non-nullable enum type."); |
| } |
| } |
| static method switchOnEnumWithFallThrough2(uns::E e) → dynamic { |
| #L12: |
| switch(e) { |
| #L13: |
| case #C3: |
| case #C6: |
| { |
| break #L12; |
| } |
| #L14: |
| default: |
| throw new _in::ReachabilityError::•("`null` encountered as case in a switch expression with a non-nullable enum type."); |
| } |
| } |
| static method handleThrow() → dynamic { |
| throw ""; |
| } |
| static method handleRethrow() → dynamic { |
| try { |
| uns::handleThrow(); |
| } |
| on core::Object catch(final core::Object _) { |
| rethrow; |
| } |
| } |
| static method handleInvalid(dynamic d) → dynamic { |
| return invalid-expression "pkg/front_end/testcases/nnbd_mixed/unsound_checks_lib.dart:195:10: Error: Not enough type information to disambiguate between literal set and literal map. |
| Try providing type arguments for the literal explicitly to disambiguate it. |
| return {...d}; // Should not throw ReachabilityError. |
| ^"; |
| } |
| |
| constants { |
| #C1 = 0 |
| #C2 = "E.e1" |
| #C3 = uns::E {index:#C1, _name:#C2} |
| #C4 = 1 |
| #C5 = "E.e2" |
| #C6 = uns::E {index:#C4, _name:#C5} |
| #C7 = null |
| #C8 = <uns::E*>[#C3, #C6] |
| } |
| |
| |
| Constructor coverage from constants: |
| org-dartlang-testcase:///unsound_checks_lib.dart: |
| - E. (from org-dartlang-testcase:///unsound_checks_lib.dart:145:6) |
| - Object. (from org-dartlang-sdk:///sdk/lib/core/object.dart:25:9) |
