language/expressions/arrow-function/forbidden-ext/b1/arrow-function-forbidden-ext-direct-access-prop-caller.js Jint.Runtime.JavaScriptException: Expected SameValue(«true», «false») to be true ---> Error: Expected SameValue(«true», «false») to be true at assert.sameValue (actual, expected, message) harness/assert.js:49:9 at f () language/expressions/arrow-function/forbidden-ext/b1/arrow-function-forbidden-ext-direct-access-prop-caller.js:29:3 at language/expressions/arrow-function/forbidden-ext/b1/arrow-function-forbidden-ext-direct-access-prop-caller.js:34:3 --- End of inner exception stack trace --- at Jint.Engine.ScriptEvaluation(ScriptRecord scriptRecord, ParserOptions parserOptions) in D:\a\jint\jint\Jint\Engine.cs:line 458 at Jint.Engine.<>c__DisplayClass99_0.<Execute>b__0() in D:\a\jint\jint\Jint\Engine.cs:line 412 at Jint.Engine.ExecuteWithConstraints[T](Boolean strict, Func`1 callback) in D:\a\jint\jint\Jint\Engine.cs:line 818 at Jint.Engine.Execute(Prepared`1& preparedScript) in D:\a\jint\jint\Jint\Engine.cs:line 412 at Jint.Tests.Test262.Test262Test.ExecuteTest(Engine engine, Test262File file) in D:\a\jint\jint\Jint.Tests.Test262\Test262Test.cs:line 102 at Jint.Tests.Test262.Test262Test.RunTestCode(String test, Boolean strict) in D:\a\jint\jint\Jint.Tests.Test262\Generated\Tests262Harness.Test262Test.generated.cs:line 77 01: // This file was procedurally generated from the following sources: 02: // - src/function-forms/forbidden-ext-direct-access-prop-caller.case 03: // - src/function-forms/forbidden-extensions/bullet-one/arrow-function.template 04: /*--- 05: description: Forbidden extension, o.caller (arrow function expression) 06: esid: sec-arrow-function-definitions-runtime-semantics-evaluation 07: features: [arrow-function] 08: flags: [generated, noStrict] 09: info: | 10: ArrowFunction : ArrowParameters => ConciseBody 11: 12: 13: ECMAScript function objects defined using syntactic constructors in strict mode code must 14: not be created with own properties named "caller" or "arguments". Such own properties also 15: must not be created for function objects defined using an ArrowFunction, MethodDefinition, 16: GeneratorDeclaration, GeneratorExpression, AsyncGeneratorDeclaration, AsyncGeneratorExpression, 17: ClassDeclaration, ClassExpression, AsyncFunctionDeclaration, AsyncFunctionExpression, or 18: AsyncArrowFunction regardless of whether the definition is contained in strict mode code. 19: Built-in functions, strict functions created using the Function constructor, generator functions 20: created using the Generator constructor, async functions created using the AsyncFunction 21: constructor, and functions created using the bind method also must not be created with such own 22: properties. 23: 24: ---*/ 25: 26: var callCount = 0; 27: var f; 28: f = () => { 29: assert.sameValue(f.hasOwnProperty("caller"), false); 30: callCount++; 31: }; 32: 33: 34: f(); 35: assert.sameValue(callCount, 1, 'arrow function body evaluated'); 36:

language/expressions/arrow-function/forbidden-ext/b2/arrow-function-forbidden-ext-indirect-access-prop-caller.js Jint.Runtime.JavaScriptException: Expected SameValue(«function f() { [native code] }», «function f() { [native code] }») to be false ---> Error: Expected SameValue(«function f() { [native code] }», «function f() { [native code] }») to be false at assert.notSameValue (actual, unexpected, message) harness/assert.js:65:9 at f () language/expressions/arrow-function/forbidden-ext/b2/arrow-function-forbidden-ext-indirect-access-prop-caller.js:54:5 at language/expressions/arrow-function/forbidden-ext/b2/arrow-function-forbidden-ext-indirect-access-prop-caller.js:59:1 --- End of inner exception stack trace --- at Jint.Engine.ScriptEvaluation(ScriptRecord scriptRecord, ParserOptions parserOptions) in D:\a\jint\jint\Jint\Engine.cs:line 458 at Jint.Engine.<>c__DisplayClass99_0.<Execute>b__0() in D:\a\jint\jint\Jint\Engine.cs:line 412 at Jint.Engine.ExecuteWithConstraints[T](Boolean strict, Func`1 callback) in D:\a\jint\jint\Jint\Engine.cs:line 818 at Jint.Engine.Execute(Prepared`1& preparedScript) in D:\a\jint\jint\Jint\Engine.cs:line 412 at Jint.Tests.Test262.Test262Test.ExecuteTest(Engine engine, Test262File file) in D:\a\jint\jint\Jint.Tests.Test262\Test262Test.cs:line 102 at Jint.Tests.Test262.Test262Test.RunTestCode(String test, Boolean strict) in D:\a\jint\jint\Jint.Tests.Test262\Generated\Tests262Harness.Test262Test.generated.cs:line 77 01: // This file was procedurally generated from the following sources: 02: // - src/function-forms/forbidden-ext-indirect-access-prop-caller.case 03: // - src/function-forms/forbidden-extensions/bullet-two/arrow-function.template 04: /*--- 05: description: Forbidden extension, o.caller (arrow function expression) 06: esid: sec-arrow-definitions-runtime-semantics-evaluation 07: features: [arrow-function] 08: flags: [generated, noStrict] 09: info: | 10: ArrowFunction : ArrowParameters => ConciseBody 11: 12: 13: If an implementation extends any function object with an own property named "caller" the value of 14: that property, as observed using [[Get]] or [[GetOwnProperty]], must not be a strict function 15: object. If it is an accessor property, the function that is the value of the property's [[Get]] 16: attribute must never return a strict function when called. 17: 18: ---*/ 19: var CALLER_OWN_PROPERTY_DOES_NOT_EXIST = Symbol(); 20: function inner() { 21: // This property may exist, but is forbidden from having a value that is a strict function object 22: return inner.hasOwnProperty("caller") 23: ? inner.caller 24: : CALLER_OWN_PROPERTY_DOES_NOT_EXIST; 25: } 26: 27: var callCount = 0; 28: var f; 29: f = () => { 30: "use strict"; 31: // This and the following conditional value is set in the test's .case file. 32: // For every test that has a "true" value here, there is a 33: // corresponding test that has a "false" value here. 34: // They are generated from two different case files, which use 35: // the same templates. 36: let descriptor = Object.getOwnPropertyDescriptor(inner, "caller"); 37: if (descriptor && descriptor.configurable && false) { 38: Object.defineProperty(inner, "caller", {}); 39: } 40: var result = inner(); 41: if (descriptor && descriptor.configurable && false) { 42: assert.sameValue(result, 1, 'If this test defined an own "caller" property on the inner function, then it should be accessible and should return the value it was set to.'); 43: } 44: // "CALLER_OWN_PROPERTY_DOES_NOT_EXIST" is from 45: // forbidden-ext-indirect-access-prop-caller.case 46: // 47: // If the function object "inner" has an own property 48: // named "caller", then its value will be returned. 49: // 50: // If the function object "inner" DOES NOT have an 51: // own property named "caller", then the symbol 52: // CALLER_OWN_PROPERTY_DOES_NOT_EXIST will be returned. 53: if (result !== CALLER_OWN_PROPERTY_DOES_NO

language/expressions/arrow-function/forbidden-ext/b2/arrow-function-forbidden-ext-indirect-access-own-prop-caller-get.js Jint.Runtime.JavaScriptException: If this test defined an own "caller" property on the inner function, then it should be accessible and should return the value it was set to. Expected SameValue(«function f() { [native code] }», «1») to be true ---> Error: If this test defined an own "caller" property on the inner function, then it should be accessible and should return the value it was set to. Expected SameValue(«function f() { [native code] }», «1») to be true at assert.sameValue (actual, expected, message) harness/assert.js:49:9 at f () language/expressions/arrow-function/forbidden-ext/b2/arrow-function-forbidden-ext-indirect-access-own-prop-caller-get.js:42:5 at language/expressions/arrow-function/forbidden-ext/b2/arrow-function-forbidden-ext-indirect-access-own-prop-caller-get.js:59:1 --- End of inner exception stack trace --- at Jint.Engine.ScriptEvaluation(ScriptRecord scriptRecord, ParserOptions parserOptions) in D:\a\jint\jint\Jint\Engine.cs:line 458 at Jint.Engine.<>c__DisplayClass99_0.<Execute>b__0() in D:\a\jint\jint\Jint\Engine.cs:line 412 at Jint.Engine.ExecuteWithConstraints[T](Boolean strict, Func`1 callback) in D:\a\jint\jint\Jint\Engine.cs:line 818 at Jint.Engine.Execute(Prepared`1& preparedScript) in D:\a\jint\jint\Jint\Engine.cs:line 412 at Jint.Tests.Test262.Test262Test.ExecuteTest(Engine engine, Test262File file) in D:\a\jint\jint\Jint.Tests.Test262\Test262Test.cs:line 102 at Jint.Tests.Test262.Test262Test.RunTestCode(String test, Boolean strict) in D:\a\jint\jint\Jint.Tests.Test262\Generated\Tests262Harness.Test262Test.generated.cs:line 77 01: // This file was procedurally generated from the following sources: 02: // - src/function-forms/forbidden-ext-indirect-access-own-prop-caller-get.case 03: // - src/function-forms/forbidden-extensions/bullet-two/arrow-function.template 04: /*--- 05: description: Forbidden extension, o.caller (arrow function expression) 06: esid: sec-arrow-definitions-runtime-semantics-evaluation 07: features: [arrow-function] 08: flags: [generated, noStrict] 09: info: | 10: ArrowFunction : ArrowParameters => ConciseBody 11: 12: 13: If an implementation extends any function object with an own property named "caller" the value of 14: that property, as observed using [[Get]] or [[GetOwnProperty]], must not be a strict function 15: object. If it is an accessor property, the function that is the value of the property's [[Get]] 16: attribute must never return a strict function when called. 17: 18: ---*/ 19: var CALLER_OWN_PROPERTY_DOES_NOT_EXIST = Symbol(); 20: function inner() { 21: // This property may exist, but is forbidden from having a value that is a strict function object 22: return inner.hasOwnProperty("caller") 23: ? inner.caller 24: : CALLER_OWN_PROPERTY_DOES_NOT_EXIST; 25: } 26: 27: var callCount = 0; 28: var f; 29: f = () => { 30: "use strict"; 31: // This and the following conditional value is set in the test's .case file. 32: // For every test that has a "true" value here, there is a 33: // corresponding test that has a "false" value here. 34: // They are generated from two different case files, which use 35: // the same templates. 36: let descriptor = Object.getOwnPropertyDescriptor(inner, "caller"); 37: if (descriptor && descriptor.configurable && true) { 38: Object.defineProperty(inner, "caller", {get(){return 1}}); 39: } 40: var result = inner(); 41: if (descriptor && descriptor.configurable && true) { 42: assert.sameValue(result, 1, 'If this test defined an own "caller" property on the inner function, then it should be accessible and should return the value it was set to.'); 43: } 44: // "CALLER_OWN_PROPERTY_DOES_NOT_EXIST" is from 45: // forbidden-ext-indirect-access-prop-caller.case 46: // 47: // If the function object "inner" has an own property 48: // named "caller", then i

language/expressions/arrow-function/forbidden-ext/b2/arrow-function-forbidden-ext-indirect-access-own-prop-caller-value.js Jint.Runtime.JavaScriptException: If this test defined an own "caller" property on the inner function, then it should be accessible and should return the value it was set to. Expected SameValue(«function f() { [native code] }», «1») to be true ---> Error: If this test defined an own "caller" property on the inner function, then it should be accessible and should return the value it was set to. Expected SameValue(«function f() { [native code] }», «1») to be true at assert.sameValue (actual, expected, message) harness/assert.js:49:9 at f () language/expressions/arrow-function/forbidden-ext/b2/arrow-function-forbidden-ext-indirect-access-own-prop-caller-value.js:42:5 at language/expressions/arrow-function/forbidden-ext/b2/arrow-function-forbidden-ext-indirect-access-own-prop-caller-value.js:59:1 --- End of inner exception stack trace --- at Jint.Engine.ScriptEvaluation(ScriptRecord scriptRecord, ParserOptions parserOptions) in D:\a\jint\jint\Jint\Engine.cs:line 458 at Jint.Engine.<>c__DisplayClass99_0.<Execute>b__0() in D:\a\jint\jint\Jint\Engine.cs:line 412 at Jint.Engine.ExecuteWithConstraints[T](Boolean strict, Func`1 callback) in D:\a\jint\jint\Jint\Engine.cs:line 818 at Jint.Engine.Execute(Prepared`1& preparedScript) in D:\a\jint\jint\Jint\Engine.cs:line 412 at Jint.Tests.Test262.Test262Test.ExecuteTest(Engine engine, Test262File file) in D:\a\jint\jint\Jint.Tests.Test262\Test262Test.cs:line 102 at Jint.Tests.Test262.Test262Test.RunTestCode(String test, Boolean strict) in D:\a\jint\jint\Jint.Tests.Test262\Generated\Tests262Harness.Test262Test.generated.cs:line 77 01: // This file was procedurally generated from the following sources: 02: // - src/function-forms/forbidden-ext-indirect-access-own-prop-caller-value.case 03: // - src/function-forms/forbidden-extensions/bullet-two/arrow-function.template 04: /*--- 05: description: Forbidden extension, o.caller (arrow function expression) 06: esid: sec-arrow-definitions-runtime-semantics-evaluation 07: features: [arrow-function] 08: flags: [generated, noStrict] 09: info: | 10: ArrowFunction : ArrowParameters => ConciseBody 11: 12: 13: If an implementation extends any function object with an own property named "caller" the value of 14: that property, as observed using [[Get]] or [[GetOwnProperty]], must not be a strict function 15: object. If it is an accessor property, the function that is the value of the property's [[Get]] 16: attribute must never return a strict function when called. 17: 18: ---*/ 19: var CALLER_OWN_PROPERTY_DOES_NOT_EXIST = Symbol(); 20: function inner() { 21: // This property may exist, but is forbidden from having a value that is a strict function object 22: return inner.hasOwnProperty("caller") 23: ? inner.caller 24: : CALLER_OWN_PROPERTY_DOES_NOT_EXIST; 25: } 26: 27: var callCount = 0; 28: var f; 29: f = () => { 30: "use strict"; 31: // This and the following conditional value is set in the test's .case file. 32: // For every test that has a "true" value here, there is a 33: // corresponding test that has a "false" value here. 34: // They are generated from two different case files, which use 35: // the same templates. 36: let descriptor = Object.getOwnPropertyDescriptor(inner, "caller"); 37: if (descriptor && descriptor.configurable && true) { 38: Object.defineProperty(inner, "caller", {value: 1}); 39: } 40: var result = inner(); 41: if (descriptor && descriptor.configurable && true) { 42: assert.sameValue(result, 1, 'If this test defined an own "caller" property on the inner function, then it should be accessible and should return the value it was set to.'); 43: } 44: // "CALLER_OWN_PROPERTY_DOES_NOT_EXIST" is from 45: // forbidden-ext-indirect-access-prop-caller.case 46: // 47: // If the function object "inner" has an own property 48: // named "caller", then

language/expressions/class/gen-method/forbidden-ext/b1/cls-expr-gen-meth-forbidden-ext-direct-access-prop-caller.js Jint.Runtime.JavaScriptException: Expected SameValue(«true», «false») to be true ---> Error: Expected SameValue(«true», «false») to be true at assert.sameValue (actual, expected, message) harness/assert.js:49:9 at next language/expressions/class/gen-method/forbidden-ext/b1/cls-expr-gen-meth-forbidden-ext-direct-access-prop-caller.js:29:5 at language/expressions/class/gen-method/forbidden-ext/b1/cls-expr-gen-meth-forbidden-ext-direct-access-prop-caller.js:34:1 --- End of inner exception stack trace --- at Jint.Engine.ScriptEvaluation(ScriptRecord scriptRecord, ParserOptions parserOptions) in D:\a\jint\jint\Jint\Engine.cs:line 458 at Jint.Engine.<>c__DisplayClass99_0.<Execute>b__0() in D:\a\jint\jint\Jint\Engine.cs:line 412 at Jint.Engine.ExecuteWithConstraints[T](Boolean strict, Func`1 callback) in D:\a\jint\jint\Jint\Engine.cs:line 818 at Jint.Engine.Execute(Prepared`1& preparedScript) in D:\a\jint\jint\Jint\Engine.cs:line 412 at Jint.Tests.Test262.Test262Test.ExecuteTest(Engine engine, Test262File file) in D:\a\jint\jint\Jint.Tests.Test262\Test262Test.cs:line 102 at Jint.Tests.Test262.Test262Test.RunTestCode(String test, Boolean strict) in D:\a\jint\jint\Jint.Tests.Test262\Generated\Tests262Harness.Test262Test.generated.cs:line 77 01: // This file was procedurally generated from the following sources: 02: // - src/function-forms/forbidden-ext-direct-access-prop-caller.case 03: // - src/function-forms/forbidden-extensions/bullet-one/cls-expr-gen-meth.template 04: /*--- 05: description: Forbidden extension, o.caller (class expression method) 06: esid: sec-class-definitions-runtime-semantics-evaluation 07: features: [class, generators] 08: flags: [generated, noStrict] 09: info: | 10: ClassExpression : class BindingIdentifieropt ClassTail 11: 12: 13: ECMAScript function objects defined using syntactic constructors in strict mode code must 14: not be created with own properties named "caller" or "arguments". Such own properties also 15: must not be created for function objects defined using an ArrowFunction, MethodDefinition, 16: GeneratorDeclaration, GeneratorExpression, AsyncGeneratorDeclaration, AsyncGeneratorExpression, 17: ClassDeclaration, ClassExpression, AsyncFunctionDeclaration, AsyncFunctionExpression, or 18: AsyncArrowFunction regardless of whether the definition is contained in strict mode code. 19: Built-in functions, strict functions created using the Function constructor, generator functions 20: created using the Generator constructor, async functions created using the AsyncFunction 21: constructor, and functions created using the bind method also must not be created with such own 22: properties. 23: 24: ---*/ 25: 26: var callCount = 0; 27: var C = class { 28: *method() { 29: assert.sameValue(this.method.hasOwnProperty("caller"), false); 30: callCount++; 31: } 32: }; 33: 34: C.prototype.method().next(); 35: assert.sameValue(callCount, 1, 'method body evaluated'); 36:

language/expressions/class/gen-method/forbidden-ext/b2/cls-expr-gen-meth-forbidden-ext-indirect-access-own-prop-caller-get.js Jint.Runtime.JavaScriptException: If this test defined an own "caller" property on the inner function, then it should be accessible and should return the value it was set to. Expected SameValue(«function method() { [native code] }», «1») to be true ---> Error: If this test defined an own "caller" property on the inner function, then it should be accessible and should return the value it was set to. Expected SameValue(«function method() { [native code] }», «1») to be true at assert.sameValue (actual, expected, message) harness/assert.js:49:9 at next language/expressions/class/gen-method/forbidden-ext/b2/cls-expr-gen-meth-forbidden-ext-indirect-access-own-prop-caller-get.js:41:7 at language/expressions/class/gen-method/forbidden-ext/b2/cls-expr-gen-meth-forbidden-ext-indirect-access-own-prop-caller-get.js:61:1 --- End of inner exception stack trace --- at Jint.Engine.ScriptEvaluation(ScriptRecord scriptRecord, ParserOptions parserOptions) in D:\a\jint\jint\Jint\Engine.cs:line 458 at Jint.Engine.<>c__DisplayClass99_0.<Execute>b__0() in D:\a\jint\jint\Jint\Engine.cs:line 412 at Jint.Engine.ExecuteWithConstraints[T](Boolean strict, Func`1 callback) in D:\a\jint\jint\Jint\Engine.cs:line 818 at Jint.Engine.Execute(Prepared`1& preparedScript) in D:\a\jint\jint\Jint\Engine.cs:line 412 at Jint.Tests.Test262.Test262Test.ExecuteTest(Engine engine, Test262File file) in D:\a\jint\jint\Jint.Tests.Test262\Test262Test.cs:line 102 at Jint.Tests.Test262.Test262Test.RunTestCode(String test, Boolean strict) in D:\a\jint\jint\Jint.Tests.Test262\Generated\Tests262Harness.Test262Test.generated.cs:line 77 01: // This file was procedurally generated from the following sources: 02: // - src/function-forms/forbidden-ext-indirect-access-own-prop-caller-get.case 03: // - src/function-forms/forbidden-extensions/bullet-two/cls-expr-gen-meth.template 04: /*--- 05: description: Forbidden extension, o.caller (class expression method) 06: esid: sec-class-definitions-runtime-semantics-evaluation 07: features: [class, generators] 08: flags: [generated, noStrict] 09: info: | 10: ClassExpression : class BindingIdentifieropt ClassTail 11: 12: 13: If an implementation extends any function object with an own property named "caller" the value of 14: that property, as observed using [[Get]] or [[GetOwnProperty]], must not be a strict function 15: object. If it is an accessor property, the function that is the value of the property's [[Get]] 16: attribute must never return a strict function when called. 17: 18: ---*/ 19: var CALLER_OWN_PROPERTY_DOES_NOT_EXIST = Symbol(); 20: function inner() { 21: // This property may exist, but is forbidden from having a value that is a strict function object 22: return inner.hasOwnProperty("caller") 23: ? inner.caller 24: : CALLER_OWN_PROPERTY_DOES_NOT_EXIST; 25: } 26: 27: var callCount = 0; 28: var C = class { 29: *method() { 30: /* implicit strict */ 31: // This and the following conditional value is set in the test's .case file. 32: // For every test that has a "true" value here, there is a 33: // corresponding test that has a "false" value here. 34: // They are generated from two different case files, which use 35: let descriptor = Object.getOwnPropertyDescriptor(inner, "caller"); 36: if (descriptor && descriptor.configurable && true) { 37: Object.defineProperty(inner, "caller", {get(){return 1}}); 38: } 39: var result = inner(); 40: if (descriptor && descriptor.configurable && true) { 41: assert.sameValue(result, 1, 'If this test defined an own "caller" property on the inner function, then it should be accessible and should return the value it was set to.'); 42: } 43: 44: // "CALLER_OWN_PROPERTY_DOES_NOT_EXIST" is from 45: // forbidden-ext-indirect-access-prop-caller.case 46: // 47: // If the function o

language/expressions/class/gen-method/forbidden-ext/b2/cls-expr-gen-meth-forbidden-ext-indirect-access-own-prop-caller-value.js Jint.Runtime.JavaScriptException: If this test defined an own "caller" property on the inner function, then it should be accessible and should return the value it was set to. Expected SameValue(«function method() { [native code] }», «1») to be true ---> Error: If this test defined an own "caller" property on the inner function, then it should be accessible and should return the value it was set to. Expected SameValue(«function method() { [native code] }», «1») to be true at assert.sameValue (actual, expected, message) harness/assert.js:49:9 at next language/expressions/class/gen-method/forbidden-ext/b2/cls-expr-gen-meth-forbidden-ext-indirect-access-own-prop-caller-value.js:41:7 at language/expressions/class/gen-method/forbidden-ext/b2/cls-expr-gen-meth-forbidden-ext-indirect-access-own-prop-caller-value.js:61:1 --- End of inner exception stack trace --- at Jint.Engine.ScriptEvaluation(ScriptRecord scriptRecord, ParserOptions parserOptions) in D:\a\jint\jint\Jint\Engine.cs:line 458 at Jint.Engine.<>c__DisplayClass99_0.<Execute>b__0() in D:\a\jint\jint\Jint\Engine.cs:line 412 at Jint.Engine.ExecuteWithConstraints[T](Boolean strict, Func`1 callback) in D:\a\jint\jint\Jint\Engine.cs:line 818 at Jint.Engine.Execute(Prepared`1& preparedScript) in D:\a\jint\jint\Jint\Engine.cs:line 412 at Jint.Tests.Test262.Test262Test.ExecuteTest(Engine engine, Test262File file) in D:\a\jint\jint\Jint.Tests.Test262\Test262Test.cs:line 102 at Jint.Tests.Test262.Test262Test.RunTestCode(String test, Boolean strict) in D:\a\jint\jint\Jint.Tests.Test262\Generated\Tests262Harness.Test262Test.generated.cs:line 77 01: // This file was procedurally generated from the following sources: 02: // - src/function-forms/forbidden-ext-indirect-access-own-prop-caller-value.case 03: // - src/function-forms/forbidden-extensions/bullet-two/cls-expr-gen-meth.template 04: /*--- 05: description: Forbidden extension, o.caller (class expression method) 06: esid: sec-class-definitions-runtime-semantics-evaluation 07: features: [class, generators] 08: flags: [generated, noStrict] 09: info: | 10: ClassExpression : class BindingIdentifieropt ClassTail 11: 12: 13: If an implementation extends any function object with an own property named "caller" the value of 14: that property, as observed using [[Get]] or [[GetOwnProperty]], must not be a strict function 15: object. If it is an accessor property, the function that is the value of the property's [[Get]] 16: attribute must never return a strict function when called. 17: 18: ---*/ 19: var CALLER_OWN_PROPERTY_DOES_NOT_EXIST = Symbol(); 20: function inner() { 21: // This property may exist, but is forbidden from having a value that is a strict function object 22: return inner.hasOwnProperty("caller") 23: ? inner.caller 24: : CALLER_OWN_PROPERTY_DOES_NOT_EXIST; 25: } 26: 27: var callCount = 0; 28: var C = class { 29: *method() { 30: /* implicit strict */ 31: // This and the following conditional value is set in the test's .case file. 32: // For every test that has a "true" value here, there is a 33: // corresponding test that has a "false" value here. 34: // They are generated from two different case files, which use 35: let descriptor = Object.getOwnPropertyDescriptor(inner, "caller"); 36: if (descriptor && descriptor.configurable && true) { 37: Object.defineProperty(inner, "caller", {value: 1}); 38: } 39: var result = inner(); 40: if (descriptor && descriptor.configurable && true) { 41: assert.sameValue(result, 1, 'If this test defined an own "caller" property on the inner function, then it should be accessible and should return the value it was set to.'); 42: } 43: 44: // "CALLER_OWN_PROPERTY_DOES_NOT_EXIST" is from 45: // forbidden-ext-indirect-access-prop-caller.case 46: // 47: // If the function

language/expressions/class/gen-method/forbidden-ext/b2/cls-expr-gen-meth-forbidden-ext-indirect-access-prop-caller.js Jint.Runtime.JavaScriptException: Expected SameValue(«function method() { [native code] }», «function method() { [native code] }») to be false ---> Error: Expected SameValue(«function method() { [native code] }», «function method() { [native code] }») to be false at assert.notSameValue (actual, unexpected, message) harness/assert.js:65:9 at next language/expressions/class/gen-method/forbidden-ext/b2/cls-expr-gen-meth-forbidden-ext-indirect-access-prop-caller.js:54:7 at language/expressions/class/gen-method/forbidden-ext/b2/cls-expr-gen-meth-forbidden-ext-indirect-access-prop-caller.js:61:1 --- End of inner exception stack trace --- at Jint.Engine.ScriptEvaluation(ScriptRecord scriptRecord, ParserOptions parserOptions) in D:\a\jint\jint\Jint\Engine.cs:line 458 at Jint.Engine.<>c__DisplayClass99_0.<Execute>b__0() in D:\a\jint\jint\Jint\Engine.cs:line 412 at Jint.Engine.ExecuteWithConstraints[T](Boolean strict, Func`1 callback) in D:\a\jint\jint\Jint\Engine.cs:line 818 at Jint.Engine.Execute(Prepared`1& preparedScript) in D:\a\jint\jint\Jint\Engine.cs:line 412 at Jint.Tests.Test262.Test262Test.ExecuteTest(Engine engine, Test262File file) in D:\a\jint\jint\Jint.Tests.Test262\Test262Test.cs:line 102 at Jint.Tests.Test262.Test262Test.RunTestCode(String test, Boolean strict) in D:\a\jint\jint\Jint.Tests.Test262\Generated\Tests262Harness.Test262Test.generated.cs:line 77 01: // This file was procedurally generated from the following sources: 02: // - src/function-forms/forbidden-ext-indirect-access-prop-caller.case 03: // - src/function-forms/forbidden-extensions/bullet-two/cls-expr-gen-meth.template 04: /*--- 05: description: Forbidden extension, o.caller (class expression method) 06: esid: sec-class-definitions-runtime-semantics-evaluation 07: features: [class, generators] 08: flags: [generated, noStrict] 09: info: | 10: ClassExpression : class BindingIdentifieropt ClassTail 11: 12: 13: If an implementation extends any function object with an own property named "caller" the value of 14: that property, as observed using [[Get]] or [[GetOwnProperty]], must not be a strict function 15: object. If it is an accessor property, the function that is the value of the property's [[Get]] 16: attribute must never return a strict function when called. 17: 18: ---*/ 19: var CALLER_OWN_PROPERTY_DOES_NOT_EXIST = Symbol(); 20: function inner() { 21: // This property may exist, but is forbidden from having a value that is a strict function object 22: return inner.hasOwnProperty("caller") 23: ? inner.caller 24: : CALLER_OWN_PROPERTY_DOES_NOT_EXIST; 25: } 26: 27: var callCount = 0; 28: var C = class { 29: *method() { 30: /* implicit strict */ 31: // This and the following conditional value is set in the test's .case file. 32: // For every test that has a "true" value here, there is a 33: // corresponding test that has a "false" value here. 34: // They are generated from two different case files, which use 35: let descriptor = Object.getOwnPropertyDescriptor(inner, "caller"); 36: if (descriptor && descriptor.configurable && false) { 37: Object.defineProperty(inner, "caller", {}); 38: } 39: var result = inner(); 40: if (descriptor && descriptor.configurable && false) { 41: assert.sameValue(result, 1, 'If this test defined an own "caller" property on the inner function, then it should be accessible and should return the value it was set to.'); 42: } 43: 44: // "CALLER_OWN_PROPERTY_DOES_NOT_EXIST" is from 45: // forbidden-ext-indirect-access-prop-caller.case 46: // 47: // If the function object "inner" has an own property 48: // named "caller", then its value will be returned. 49: // 50: // If the function object "inner" DOES NOT have an 51: // own property named "caller", then the symbol 52: // CALLER_OWN_PROPE

language/expressions/class/gen-method-static/forbidden-ext/b1/cls-expr-gen-meth-static-forbidden-ext-direct-access-prop-caller.js Jint.Runtime.JavaScriptException: Expected SameValue(«true», «false») to be true ---> Error: Expected SameValue(«true», «false») to be true at assert.sameValue (actual, expected, message) harness/assert.js:49:9 at next language/expressions/class/gen-method-static/forbidden-ext/b1/cls-expr-gen-meth-static-forbidden-ext-direct-access-prop-caller.js:29:5 at language/expressions/class/gen-method-static/forbidden-ext/b1/cls-expr-gen-meth-static-forbidden-ext-direct-access-prop-caller.js:34:1 --- End of inner exception stack trace --- at Jint.Engine.ScriptEvaluation(ScriptRecord scriptRecord, ParserOptions parserOptions) in D:\a\jint\jint\Jint\Engine.cs:line 458 at Jint.Engine.ExecuteWithConstraints[T](Boolean strict, Func`1 callback) in D:\a\jint\jint\Jint\Engine.cs:line 818 at Jint.Tests.Test262.Test262Test.ExecuteTest(Engine engine, Test262File file) in D:\a\jint\jint\Jint.Tests.Test262\Test262Test.cs:line 102 at Jint.Tests.Test262.Test262Test.RunTestCode(String test, Boolean strict) in D:\a\jint\jint\Jint.Tests.Test262\Generated\Tests262Harness.Test262Test.generated.cs:line 77 01: // This file was procedurally generated from the following sources: 02: // - src/function-forms/forbidden-ext-direct-access-prop-caller.case 03: // - src/function-forms/forbidden-extensions/bullet-one/cls-expr-gen-meth-static.template 04: /*--- 05: description: Forbidden extension, o.caller (static class expression generator method) 06: esid: sec-class-definitions-runtime-semantics-evaluation 07: features: [class, generators] 08: flags: [generated, noStrict] 09: info: | 10: ClassExpression : class BindingIdentifieropt ClassTail 11: 12: 13: ECMAScript function objects defined using syntactic constructors in strict mode code must 14: not be created with own properties named "caller" or "arguments". Such own properties also 15: must not be created for function objects defined using an ArrowFunction, MethodDefinition, 16: GeneratorDeclaration, GeneratorExpression, AsyncGeneratorDeclaration, AsyncGeneratorExpression, 17: ClassDeclaration, ClassExpression, AsyncFunctionDeclaration, AsyncFunctionExpression, or 18: AsyncArrowFunction regardless of whether the definition is contained in strict mode code. 19: Built-in functions, strict functions created using the Function constructor, generator functions 20: created using the Generator constructor, async functions created using the AsyncFunction 21: constructor, and functions created using the bind method also must not be created with such own 22: properties. 23: 24: ---*/ 25: 26: var callCount = 0; 27: var C = class { 28: static *method() { 29: assert.sameValue(this.method.hasOwnProperty("caller"), false); 30: callCount++; 31: } 32: }; 33: 34: C.method().next(); 35: assert.sameValue(callCount, 1, 'method body evaluated'); 36: