Tests WIP 4

overlookmotel · Nov 23, 2023 · b3221d0 · b3221d0
1 parent e4e8b24
commit b3221d0
Showing 1 changed file with 166 additions and 0 deletions.
diff --git a/test/eval.test.js b/test/eval.test.js
@@ -2290,6 +2290,172 @@ describe('eval', () => {
 				});
 			});
 
+			describe('where var frozen by eval also used in const violation', () => {
+				describe('where const violation in body of function', () => {
+					describe('no other bindings with same name', () => {
+						itSerializes('direct assignment', {
+							in: `
+								module.exports = function(module, exports) {
+									const x = 1;
+									eval('x');
+									x = 2;
+								};
+							`,
+							out: `(0,eval)("
+								(function(module,exports){const x=1;eval(\\"x\\");x=2;})
+							")`,
+							validate(fn) {
+								expect(fn).toBeFunction();
+								expect(fn).toThrowWithMessage(TypeError, 'Assignment to constant variable.');
+							}
+						});
+
+						itSerializes('read-write assignment', {
+							in: `
+								module.exports = function(module, exports) {
+									const x = 1;
+									eval('x');
+									x += 2;
+								};
+							`,
+							out: `(0,eval)("
+								(function(module,exports){const x=1;eval(\\"x\\");x+=2;})
+							")`,
+							validate(fn) {
+								expect(fn).toBeFunction();
+								expect(fn).toThrowWithMessage(TypeError, 'Assignment to constant variable.');
+							}
+						});
+					});
+
+					describe('other bindings with same name', () => {
+						itSerializes('direct assignment', {
+							in: `
+								module.exports = function(module, exports) {
+									const x = 1;
+									eval('x');
+									{
+										let x = 3;
+									}
+									x = 2;
+								};
+							`,
+							out: `(0,eval)("
+								(function(module,exports){const x=1;eval(\\"x\\");{let a=3}x=2;})
+							")`,
+							validate(fn) {
+								expect(fn).toBeFunction();
+								expect(fn).toThrowWithMessage(TypeError, 'Assignment to constant variable.');
+							}
+						});
+
+						itSerializes('read-write assignment', {
+							in: `
+								module.exports = function(module, exports) {
+									const x = 1;
+									eval('x');
+									{
+										let x = 4;
+									}
+									x += 2;
+								};
+							`,
+							out: `(0,eval)("
+								(function(module,exports){const x=1;eval(\\"x\\");{let a=4}x+=2;})
+							")`,
+							validate(fn) {
+								expect(fn).toBeFunction();
+								expect(fn).toThrowWithMessage(TypeError, 'Assignment to constant variable.');
+							}
+						});
+					});
+				});
+
+				describe('where const violation in nested function', () => {
+					describe('no other bindings with same name', () => {
+						itSerializes('direct assignment', {
+							in: `
+								module.exports = function(module, exports) {
+									const x = 1;
+									eval('x');
+									return () => x = 2;
+								};
+							`,
+							out: `(0,eval)("
+								(function(module,exports){const x=1;eval(\\"x\\");return()=>x=2;})
+							")`,
+							validate(fn) {
+								expect(fn).toBeFunction();
+								const innerFn = fn();
+								expect(innerFn).toThrowWithMessage(TypeError, 'Assignment to constant variable.');
+							}
+						});
+
+						itSerializes('read-write assignment', {
+							in: `
+								module.exports = function(module, exports) {
+									const x = 1;
+									eval('x');
+									return () => x += 2;
+								};
+							`,
+							out: `(0,eval)("
+								(function(module,exports){const x=1;eval(\\"x\\");return()=>x+=2;})
+							")`,
+							validate(fn) {
+								expect(fn).toBeFunction();
+								const innerFn = fn();
+								expect(innerFn).toThrowWithMessage(TypeError, 'Assignment to constant variable.');
+							}
+						});
+					});
+
+					describe('other bindings with same name', () => {
+						itSerializes('direct assignment', {
+							in: `
+								module.exports = function(module, exports) {
+									const x = 1;
+									eval('x');
+									{
+										let x = 3;
+									}
+									return () => x = 2;
+								};
+							`,
+							out: `(0,eval)("
+								(function(module,exports){const x=1;eval(\\"x\\");{let a=3}return()=>x=2;})
+							")`,
+							validate(fn) {
+								expect(fn).toBeFunction();
+								const innerFn = fn();
+								expect(innerFn).toThrowWithMessage(TypeError, 'Assignment to constant variable.');
+							}
+						});
+
+						itSerializes('read-write assignment', {
+							in: `
+								module.exports = function(module, exports) {
+									const x = 1;
+									eval('x');
+									{
+										let x = 4;
+									}
+									return () => x += 2;
+								};
+							`,
+							out: `(0,eval)("
+								(function(module,exports){const x=1;eval(\\"x\\");{let a=4}return()=>x+=2;})
+							")`,
+							validate(fn) {
+								expect(fn).toBeFunction();
+								const innerFn = fn();
+								expect(innerFn).toThrowWithMessage(TypeError, 'Assignment to constant variable.');
+							}
+						});
+					});
+				});
+			});
+
 			itSerializes('eval expression contains function', {
 				in: `module.exports = function(module, exports) {
 					return eval((() => '123')());