Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

14 files changed, 329 insertions, 0 deletions

diff --git a/js/src/tests/test262/built-ins/Proxy/preventExtensions/browser.js b/js/src/tests/test262/built-ins/Proxy/preventExtensions/browser.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Proxy/preventExtensions/browser.js
diff --git a/js/src/tests/test262/built-ins/Proxy/preventExtensions/call-parameters.js b/js/src/tests/test262/built-ins/Proxy/preventExtensions/call-parameters.js
new file mode 100644
index 0000000000..77dd0b70b9
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Proxy/preventExtensions/call-parameters.js
@@ -0,0 +1,34 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 9.5.4
+description: >
+    Trap is called with handler on its context and target as the first
+    parameter.
+info: |
+    [[PreventExtensions]] ( )
+
+    ...
+    8. Let booleanTrapResult be ToBoolean(Call(trap, handler, «target»)).
+    ...
+features: [Proxy]
+---*/
+
+var _target, _handler;
+var target = {};
+var handler = {
+  preventExtensions: function(t) {
+    _handler = this;
+    _target = t;
+
+    return Object.preventExtensions(target);
+  }
+};
+var p = new Proxy(target, handler);
+
+Object.preventExtensions(p);
+
+assert.sameValue(_handler, handler);
+assert.sameValue(_target, target);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Proxy/preventExtensions/null-handler.js b/js/src/tests/test262/built-ins/Proxy/preventExtensions/null-handler.js
new file mode 100644
index 0000000000..695808bb19
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Proxy/preventExtensions/null-handler.js
@@ -0,0 +1,18 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 9.5.4
+description: >
+    Throws a TypeError exception if handler is null.
+features: [Proxy]
+---*/
+
+var p = Proxy.revocable({}, {});
+
+p.revoke();
+
+assert.throws(TypeError, function() {
+  Object.preventExtensions(p.proxy);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Proxy/preventExtensions/return-false.js b/js/src/tests/test262/built-ins/Proxy/preventExtensions/return-false.js
new file mode 100644
index 0000000000..a15f57b7fe
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Proxy/preventExtensions/return-false.js
@@ -0,0 +1,23 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 9.5.4
+description: >
+    If boolean trap result if false, return false.
+features: [Proxy, Reflect]
+---*/
+
+var target = {};
+var p = new Proxy({}, {
+  preventExtensions: function(t) {
+    return 0;
+  }
+});
+
+assert.sameValue(Reflect.preventExtensions(p), false);
+
+Object.preventExtensions(target);
+
+assert.sameValue(Reflect.preventExtensions(p), false);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Proxy/preventExtensions/return-is-abrupt.js b/js/src/tests/test262/built-ins/Proxy/preventExtensions/return-is-abrupt.js
new file mode 100644
index 0000000000..a120c3685c
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Proxy/preventExtensions/return-is-abrupt.js
@@ -0,0 +1,27 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 9.5.4
+description: >
+    Trap returns abrupt.
+info: |
+    [[PreventExtensions]] ( )
+
+    ...
+    8. Let booleanTrapResult be ToBoolean(Call(trap, handler, «target»)).
+    9. ReturnIfAbrupt(booleanTrapResult).
+    ...
+features: [Proxy]
+---*/
+
+var p = new Proxy({}, {
+  preventExtensions: function(t) {
+    throw new Test262Error();
+  }
+});
+
+assert.throws(Test262Error, function() {
+  Object.preventExtensions(p);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Proxy/preventExtensions/return-true-target-is-extensible.js b/js/src/tests/test262/built-ins/Proxy/preventExtensions/return-true-target-is-extensible.js
new file mode 100644
index 0000000000..3e0614d18a
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Proxy/preventExtensions/return-true-target-is-extensible.js
@@ -0,0 +1,30 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 9.5.4
+description: >
+    Throws a TypeError exception if boolean trap result is true and target is
+    extensible.
+info: |
+    [[PreventExtensions]] ( )
+
+    ...
+    10. If booleanTrapResult is true, then
+        ...
+        c. If targetIsExtensible is true, throw a TypeError exception.
+    11. Return booleanTrapResult.
+    ...
+features: [Proxy]
+---*/
+
+var p = new Proxy({}, {
+  preventExtensions: function(t) {
+    return true;
+  }
+});
+
+assert.throws(TypeError, function() {
+  Object.preventExtensions(p);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Proxy/preventExtensions/return-true-target-is-not-extensible.js b/js/src/tests/test262/built-ins/Proxy/preventExtensions/return-true-target-is-not-extensible.js
new file mode 100644
index 0000000000..35966b8acc
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Proxy/preventExtensions/return-true-target-is-not-extensible.js
@@ -0,0 +1,21 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 9.5.4
+description: >
+    Return boolean trap result if its true and target is not extensible.
+features: [Proxy, Reflect]
+---*/
+
+var target = {};
+var p = new Proxy(target, {
+  preventExtensions: function(t) {
+    return 1;
+  }
+});
+
+Object.preventExtensions(target);
+
+assert(Reflect.preventExtensions(p));
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Proxy/preventExtensions/shell.js b/js/src/tests/test262/built-ins/Proxy/preventExtensions/shell.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Proxy/preventExtensions/shell.js
diff --git a/js/src/tests/test262/built-ins/Proxy/preventExtensions/trap-is-missing-target-is-proxy.js b/js/src/tests/test262/built-ins/Proxy/preventExtensions/trap-is-missing-target-is-proxy.js
new file mode 100644
index 0000000000..908029e0a4
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Proxy/preventExtensions/trap-is-missing-target-is-proxy.js
@@ -0,0 +1,32 @@
+// Copyright (C) 2020 Alexey Shvayka. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-proxy-object-internal-methods-and-internal-slots-preventextensions
+description: >
+  If "preventExtensions" trap is null or undefined, [[PreventExtensions]] call
+  is properly forwarded to [[ProxyTarget]] (which is also a Proxy object).
+info: |
+  [[PreventExtensions]] ( )
+
+  [...]
+  4. Let target be O.[[ProxyTarget]].
+  5. Let trap be ? GetMethod(handler, "preventExtensions").
+  6. If trap is undefined, then
+    a. Return ? target.[[PreventExtensions]]().
+features: [Proxy]
+---*/
+
+var target = new Proxy({}, {
+  preventExtensions: function(_target) {
+    return false;
+  },
+});
+
+var proxy = new Proxy(target, {});
+
+assert.throws(TypeError, function() {
+  Object.preventExtensions(proxy);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Proxy/preventExtensions/trap-is-not-callable-realm.js b/js/src/tests/test262/built-ins/Proxy/preventExtensions/trap-is-not-callable-realm.js
new file mode 100644
index 0000000000..f08292862d
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Proxy/preventExtensions/trap-is-not-callable-realm.js
@@ -0,0 +1,33 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-proxy-object-internal-methods-and-internal-slots-preventextensions
+description: >
+  Throws if trap is not callable (honoring the Realm of the current execution
+  context)
+info: |
+    [[PreventExtensions]] ( )
+
+    ...
+    1. Let handler be the value of the [[ProxyHandler]] internal slot of O.
+    ...
+    5. Let trap be GetMethod(handler, "preventExtensions").
+    ...
+        7.3.9 GetMethod (O, P)
+        ...
+        2. Let func be GetV(O, P).
+        5. If IsCallable(func) is false, throw a TypeError exception.
+        ...
+features: [cross-realm, Proxy]
+---*/
+
+var OProxy = $262.createRealm().global.Proxy;
+var p = new OProxy({}, {
+  preventExtensions: {}
+});
+
+assert.throws(TypeError, function() {
+  Object.preventExtensions(p);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Proxy/preventExtensions/trap-is-not-callable.js b/js/src/tests/test262/built-ins/Proxy/preventExtensions/trap-is-not-callable.js
new file mode 100644
index 0000000000..e6d23e969b
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Proxy/preventExtensions/trap-is-not-callable.js
@@ -0,0 +1,32 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 9.5.4
+description: >
+    Throws a TypeError exception if trap is not callable.
+info: |
+    [[PreventExtensions]] ( )
+
+    ...
+    1. Let handler be the value of the [[ProxyHandler]] internal slot of O.
+    ...
+    5. Let trap be GetMethod(handler, "preventExtensions").
+    ...
+        7.3.9 GetMethod (O, P)
+        ...
+        2. Let func be GetV(O, P).
+        5. If IsCallable(func) is false, throw a TypeError exception.
+        ...
+features: [Proxy]
+---*/
+
+var target = {};
+var p = new Proxy(target, {
+  preventExtensions: {}
+});
+
+assert.throws(TypeError, function() {
+  Object.preventExtensions(p);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Proxy/preventExtensions/trap-is-null-target-is-proxy.js b/js/src/tests/test262/built-ins/Proxy/preventExtensions/trap-is-null-target-is-proxy.js
new file mode 100644
index 0000000000..c35cf085b1
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Proxy/preventExtensions/trap-is-null-target-is-proxy.js
@@ -0,0 +1,29 @@
+// Copyright (C) 2020 Alexey Shvayka. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-proxy-object-internal-methods-and-internal-slots-preventextensions
+description: >
+  If "preventExtensions" trap is null or undefined, [[PreventExtensions]] call
+  is properly forwarded to [[ProxyTarget]] (which is also a Proxy object).
+info: |
+  [[PreventExtensions]] ( )
+
+  [...]
+  4. Let target be O.[[ProxyTarget]].
+  5. Let trap be ? GetMethod(handler, "preventExtensions").
+  6. If trap is undefined, then
+    a. Return ? target.[[PreventExtensions]]().
+features: [Proxy]
+---*/
+
+var plainObject = {};
+var plainObjectTarget = new Proxy(plainObject, {});
+var plainObjectProxy = new Proxy(plainObjectTarget, {
+  preventExtensions: null,
+});
+
+Object.preventExtensions(plainObjectProxy);
+assert(!Object.isExtensible(plainObject));
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Proxy/preventExtensions/trap-is-undefined-target-is-proxy.js b/js/src/tests/test262/built-ins/Proxy/preventExtensions/trap-is-undefined-target-is-proxy.js
new file mode 100644
index 0000000000..4eda6cef6b
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Proxy/preventExtensions/trap-is-undefined-target-is-proxy.js
@@ -0,0 +1,35 @@
+// |reftest| module
+// Copyright (C) 2020 Alexey Shvayka. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-proxy-object-internal-methods-and-internal-slots-preventextensions
+description: >
+  If "preventExtensions" trap is null or undefined, [[PreventExtensions]] call
+  is properly forwarded to [[ProxyTarget]] (which is also a Proxy object).
+info: |
+  [[PreventExtensions]] ( )
+
+  [...]
+  4. Let target be O.[[ProxyTarget]].
+  5. Let trap be ? GetMethod(handler, "preventExtensions").
+  6. If trap is undefined, then
+    a. Return ? target.[[PreventExtensions]]().
+
+  [[PreventExtensions]] ( )
+
+  1. Return true.
+features: [Proxy, Reflect]
+flags: [module]
+---*/
+
+import * as ns from "./trap-is-undefined-target-is-proxy.js";
+
+var nsTarget = new Proxy(ns, {});
+var nsProxy = new Proxy(nsTarget, {
+  preventExtensions: undefined,
+});
+
+assert(Reflect.preventExtensions(nsProxy));
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Proxy/preventExtensions/trap-is-undefined.js b/js/src/tests/test262/built-ins/Proxy/preventExtensions/trap-is-undefined.js
new file mode 100644
index 0000000000..234bb0945f
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Proxy/preventExtensions/trap-is-undefined.js
@@ -0,0 +1,15 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 9.5.4
+description: >
+    Return target.[[PreventExtensions]]() if target is undefined.
+features: [Proxy, Reflect]
+---*/
+
+var target = {};
+var p = new Proxy(target, {});
+
+assert.sameValue(Reflect.preventExtensions(p), true);
+
+reportCompare(0, 0);