fix delete test, add error tests, fix lint (#2453)

test/built-ins/Error/prototype/toString/invalid-receiver.js

@@ -0,0 +1,18 @@
+// Copyright (C) 2019 Ecma International. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-error.prototype.tostring
+description: >
+  Error.prototype.toString throws if its receiver is not an object.
+info: |
+  Error.prototype.toString ( )
+  1. Let O be this value.
+  2. If Type(O) is not Object, throw a TypeError exception.
+---*/
+
+[undefined, null, 1, true, 'string', Symbol()].forEach((v) => {
+  assert.throws(TypeError, () => {
+    Error.prototype.toString.call(v);
+  }, `Error.prototype.toString.call(${String(v)})`);
+});

test/built-ins/Error/prototype/toString/undefined-props.js

@@ -0,0 +1,20 @@
+// Copyright (C) 2019 Ecma International. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-error.prototype.tostring
+description: >
+  Error.prototype.toString handles this.name and this.message being undefined.
+info: |
+  Error.prototype.toString ( )
+  ...
+  3. Let name be ? Get(O, "name").
+  4. If name is undefined, set name to "Error"; otherwise set name to ? ToString(name).
+  5. Let msg be ? Get(O, "message").
+  6. If msg is undefined, set msg to the empty String; otherwise set msg to ? ToString(msg).
+---*/
+
+assert.sameValue(Error.prototype.toString.call({}), 'Error');
+assert.sameValue(Error.prototype.toString.call({ message: '42' }), 'Error: 42');
+assert.sameValue(Error.prototype.toString.call({ name: '24' }), '24');
+assert.sameValue(Error.prototype.toString.call({ name: '24', message: '42' }), '24: 42');

test/built-ins/Object/freeze/throws-when-false.js

@@ -0,0 +1,28 @@
+// Copyright (C) 2019 Ecma International. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-object.freeze
+description: >
+  Object.freeze throws if SetIntegrityLevel(O, frozen) returns false.
+info: |
+  Object.freeze ( O )
+  ...
+  2. Let status be ? SetIntegrityLevel(O, frozen).
+  3. If status is false, throw a TypeError exception.
+
+  SetIntegrityLevel ( O, level )
+  ...
+  3. Let status be ? O.[[PreventExtensions]]().
+  4. If status is false, return false.
+---*/
+
+const p = new Proxy({}, {
+  preventExtensions() {
+    return false;
+  },
+});
+
+assert.throws(TypeError, () => {
+  Object.freeze(p);
+});

test/built-ins/Object/preventExtensions/throws-when-false.js

@@ -0,0 +1,23 @@
+// Copyright (C) 2019 Ecma International. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-object.preventextensions
+description: >
+  Object.preventExtensions throws if O.[[PreventExtensions]]() returns false.
+info: |
+  Object.preventExtensions ( O )
+  ...
+  2. Let status be ? O.[[PreventExtensions]]().
+  3. If status is false, throw a TypeError exception.
+---*/
+
+const p = new Proxy({}, {
+  preventExtensions() {
+    return false;
+  },
+});
+
+assert.throws(TypeError, () => {
+  Object.preventExtensions(p);
+});

test/built-ins/Object/seal/throws-when-false.js

@@ -0,0 +1,28 @@
+// Copyright (C) 2019 Ecma International. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-object.seal
+description: >
+  Object.seal throws if SetIntegrityLevel(O, sealed) returns false.
+info: |
+  Object.seal ( O )
+  ...
+  2. Let status be ? SetIntegrityLevel(O, sealed).
+  3. If status is false, throw a TypeError exception.
+
+  SetIntegrityLevel ( O, level )
+  ...
+  3. Let status be ? O.[[PreventExtensions]]().
+  4. If status is false, return false.
+---*/
+
+const p = new Proxy({}, {
+  preventExtensions() {
+    return false;
+  },
+});
+
+assert.throws(TypeError, () => {
+  Object.seal(p);
+});

test/built-ins/Reflect/preventExtensions/target-is-not-object-throws.js

@@ -5,7 +5,7 @@ es6id: 26.1.10
 description: >
   Throws a TypeError if target is not an Object.
 info: |
-  26.1.10 Reflect.isExtensible (target)
+  26.1.11 Reflect.preventExtensions ( target )
 
   1. If Type(target) is not Object, throw a TypeError exception.
   ...
@@ -13,17 +13,17 @@ features: [Reflect]
 ---*/
 
 assert.throws(TypeError, function() {
-  Reflect.isExtensible(1);
+  Reflect.preventExtensions(1);
 });
 
 assert.throws(TypeError, function() {
-  Reflect.isExtensible(null);
+  Reflect.preventExtensions(null);
 });
 
 assert.throws(TypeError, function() {
-  Reflect.isExtensible(undefined);
+  Reflect.preventExtensions(undefined);
 });
 
 assert.throws(TypeError, function() {
-  Reflect.isExtensible('');
+  Reflect.preventExtensions('');
 });

test/language/expressions/delete/super-property.js

@@ -15,6 +15,7 @@ var caught;
 
 class C extends Object {
   constructor() {
+    super();
     try {
       delete super.x;
     } catch (err) {

test/language/expressions/optional-chaining/new-target-optional-call.js

@@ -9,7 +9,6 @@ info: |
     MemberExpression OptionalChain
       NewTarget OptionalChain
 features: [optional-chaining]
-includes: [fnGlobalObject.js]
 ---*/
 
 const newTargetContext = (function() { return this; })();