Add tests for valid identifier names also listed as reserved words

Ref #2285

src/identifier-names/default-escaped-ext.case

@@ -0,0 +1,12 @@
+// Copyright (C) 2019 Leo Balter. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+desc: default is a valid identifier name, using extended escape
+template: default
+---*/
+
+//- declareWith
+def\u{61}ult
+//- referenceWith
+default

src/identifier-names/default-escaped.case

@@ -0,0 +1,12 @@
+// Copyright (C) 2019 Leo Balter. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+desc: default is a valid identifier name, using escape
+template: default
+---*/
+
+//- declareWith
+def\u0061ult
+//- referenceWith
+default

src/identifier-names/default.case

@@ -0,0 +1,12 @@
+// Copyright (C) 2019 Leo Balter. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+desc: default is a valid identifier name
+template: default
+---*/
+
+//- declareWith
+default
+//- referenceWith
+default

src/identifier-names/default/class-expression-method-def.template

@@ -0,0 +1,44 @@
+// Copyright (C) 2019 Leo Balter. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+path: language/expressions/class/ident-name-method-def-
+name: MethodDefinition
+esid: prod-PropertyDefinition
+info: |
+  ObjectLiteral :
+    { PropertyDefinitionList }
+    { PropertyDefinitionList , }
+
+  PropertyDefinitionList:
+    PropertyDefinition
+    PropertyDefinitionList , PropertyDefinition
+
+  PropertyDefinition:
+    MethodDefinition
+    ...
+
+  MethodDefinition:
+    PropertyName ( UniqueFormalParameters ){ FunctionBody }
+
+  PropertyName:
+    LiteralPropertyName
+    ...
+
+  LiteralPropertyName:
+    IdentifierName
+    ...
+
+  Reserved Words
+  
+  A reserved word is an IdentifierName that cannot be used as an Identifier.
+features: [class]
+---*/
+
+var C = class {
+  /*{ declareWith }*/() { return 42; }
+}
+
+var obj = new C();
+
+assert.sameValue(obj['/*{ referenceWith }*/'](), 42, 'property exists');

src/identifier-names/default/class-statement-method-def.template

@@ -0,0 +1,44 @@
+// Copyright (C) 2019 Leo Balter. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+path: language/statements/class/ident-name-method-def-
+name: MethodDefinition
+esid: prod-PropertyDefinition
+info: |
+  ObjectLiteral :
+    { PropertyDefinitionList }
+    { PropertyDefinitionList , }
+
+  PropertyDefinitionList:
+    PropertyDefinition
+    PropertyDefinitionList , PropertyDefinition
+
+  PropertyDefinition:
+    MethodDefinition
+    ...
+
+  MethodDefinition:
+    PropertyName ( UniqueFormalParameters ){ FunctionBody }
+
+  PropertyName:
+    LiteralPropertyName
+    ...
+
+  LiteralPropertyName:
+    IdentifierName
+    ...
+
+  Reserved Words
+  
+  A reserved word is an IdentifierName that cannot be used as an Identifier.
+features: [class]
+---*/
+
+class C {
+  /*{ declareWith }*/() { return 42; }
+}
+
+var obj = new C();
+
+assert.sameValue(obj['/*{ referenceWith }*/'](), 42, 'property exists');

src/identifier-names/default/member-expr.template

@@ -0,0 +1,21 @@
+// Copyright (C) 2019 Leo Balter. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+path: language/expressions/assignment/member-expr-ident-name-
+name: MemberExpression IdentifierName
+esid: prod-PropertyDefinition
+info: |
+  MemberExpression:
+    ...
+    MemberExpression . IdentifierName
+
+  Reserved Words
+  
+  A reserved word is an IdentifierName that cannot be used as an Identifier.
+---*/
+
+var obj = {};
+
+obj./*{ declareWith }*/ = 42;
+
+assert.sameValue(obj['/*{ referenceWith }*/'], 42, 'property exists');

src/identifier-names/default/obj-method-definition.template

@@ -0,0 +1,41 @@
+// Copyright (C) 2019 Leo Balter. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+path: language/expressions/object/ident-name-method-def-
+name: MethodDefinition
+esid: prod-PropertyDefinition
+info: |
+  ObjectLiteral :
+    { PropertyDefinitionList }
+    { PropertyDefinitionList , }
+
+  PropertyDefinitionList:
+    PropertyDefinition
+    PropertyDefinitionList , PropertyDefinition
+
+  PropertyDefinition:
+    MethodDefinition
+    ...
+
+  MethodDefinition:
+    PropertyName ( UniqueFormalParameters ){ FunctionBody }
+
+  PropertyName:
+    LiteralPropertyName
+    ...
+
+  LiteralPropertyName:
+    IdentifierName
+    ...
+
+  Reserved Words
+  
+  A reserved word is an IdentifierName that cannot be used as an Identifier.
+---*/
+
+var obj = {
+  /*{ declareWith }*/() { return 42; }
+};
+
+assert.sameValue(obj['/*{ referenceWith }*/'](), 42, 'property exists');

src/identifier-names/default/obj-prop-name.template

@@ -0,0 +1,40 @@
+// Copyright (C) 2019 Leo Balter. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+path: language/expressions/object/ident-name-prop-name-literal-
+name: PropertyName
+esid: prod-PropertyDefinition
+info: |
+  ObjectLiteral :
+    { PropertyDefinitionList }
+    { PropertyDefinitionList , }
+
+  PropertyDefinitionList:
+    PropertyDefinition
+    PropertyDefinitionList , PropertyDefinition
+
+  PropertyDefinition:
+    IdentifierReference
+    PropertyName : AssignmentExpression
+    MethodDefinition
+    ... AssignmentExpression
+    ...
+
+  PropertyName:
+    LiteralPropertyName
+    ...
+
+  LiteralPropertyName:
+    IdentifierName
+    ...
+
+  Reserved Words
+  
+  A reserved word is an IdentifierName that cannot be used as an Identifier.
+---*/
+
+var obj = {
+  /*{ declareWith }*/: 42
+};
+
+assert.sameValue(obj['/*{ referenceWith }*/'], 42, 'property exists');