Add tests for increment and decrement operations on `this`

test/language/expressions/postfix-decrement/this.js

@@ -0,0 +1,27 @@
+// Copyright (c) 2023 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-update-expressions-static-semantics-early-errors
+description: >
+  It is an early Syntax Error if AssignmentTargetType of LeftHandSideExpression is not simple. (this)
+info: |
+  sec-static-semantics-assignmenttargettype
+
+  PrimaryExpression : this 
+
+  Return invalid.
+
+  sec-update-expressions-static-semantics-early-errors
+
+  UpdateExpression: LeftHandSideExpression --
+
+  It is an early Syntax Error if AssignmentTargetType of LeftHandSideExpression is not simple.
+negative:
+  phase: parse
+  type: SyntaxError
+---*/
+
+$DONOTEVALUATE();
+
+this--;

test/language/expressions/postfix-increment/this.js

@@ -0,0 +1,27 @@
+// Copyright (c) 2023 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-update-expressions-static-semantics-early-errors
+description: >
+  It is an early Syntax Error if AssignmentTargetType of LeftHandSideExpression is not simple. (this)
+info: |
+  sec-static-semantics-assignmenttargettype
+
+  PrimaryExpression : this 
+
+  Return invalid.
+
+  sec-update-expressions-static-semantics-early-errors
+
+  UpdateExpression: LeftHandSideExpression ++
+
+  It is an early Syntax Error if AssignmentTargetType of LeftHandSideExpression is not simple.
+negative:
+  phase: parse
+  type: SyntaxError
+---*/
+
+$DONOTEVALUATE();
+
+this++;

test/language/expressions/prefix-decrement/this.js

@@ -0,0 +1,27 @@
+// Copyright (c) 2023 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-update-expressions-static-semantics-early-errors
+description: >
+It is an early Syntax Error if AssignmentTargetType of UnaryExpression is not simple. (this)
+info: |
+  sec-static-semantics-assignmenttargettype
+
+  PrimaryExpression : this 
+
+  Return invalid.
+
+  sec-update-expressions-static-semantics-early-errors
+
+  UpdateExpression: -- UnaryExpression 
+
+  It is an early Syntax Error if AssignmentTargetType of UnaryExpression is not simple.
+negative:
+  phase: parse
+  type: SyntaxError
+---*/
+
+$DONOTEVALUATE();
+
+--this;

test/language/expressions/prefix-increment/this.js

@@ -0,0 +1,27 @@
+// Copyright (c) 2023 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-update-expressions-static-semantics-early-errors
+description: >
+It is an early Syntax Error if AssignmentTargetType of UnaryExpression is not simple. (this)
+info: |
+  sec-static-semantics-assignmenttargettype
+
+  PrimaryExpression : this 
+
+  Return invalid.
+
+  sec-update-expressions-static-semantics-early-errors
+
+  UpdateExpression: ++ UnaryExpression 
+
+  It is an early Syntax Error if AssignmentTargetType of UnaryExpression is not simple.
+negative:
+  phase: parse
+  type: SyntaxError
+---*/
+
+$DONOTEVALUATE();
+
+++this;