Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream

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

14 files changed, 365 insertions, 0 deletions

diff --git a/js/src/tests/test262/built-ins/Proxy/isExtensible/browser.js b/js/src/tests/test262/built-ins/Proxy/isExtensible/browser.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Proxy/isExtensible/browser.js
diff --git a/js/src/tests/test262/built-ins/Proxy/isExtensible/call-parameters.js b/js/src/tests/test262/built-ins/Proxy/isExtensible/call-parameters.js
new file mode 100644
index 0000000000..e6782da76a
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Proxy/isExtensible/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: 9.5.3
+description: >
+    The trap is called with handler on its context and the target object as the
+    first parabeter
+info: |
+    [[IsExtensible]] ( )
+
+    ...
+    8. Let booleanTrapResult be ToBoolean(Call(trap, handler, «target»)).
+    ...
+
+features: [Proxy]
+---*/
+
+var _target, _handler;
+var target = {};
+var handler = {
+  isExtensible: function(t) {
+    _handler = this;
+    _target = t;
+    return Object.isExtensible(t);
+  }
+}
+var p = new Proxy(target, handler);
+
+Object.isExtensible(p);
+
+assert.sameValue(_handler, handler);
+assert.sameValue(_target, target);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Proxy/isExtensible/null-handler.js b/js/src/tests/test262/built-ins/Proxy/isExtensible/null-handler.js
new file mode 100644
index 0000000000..87c5304599
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Proxy/isExtensible/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: 9.5.3
+description: >
+    Throws a TypeError exception if handler is null
+features: [Proxy]
+---*/
+
+var p = Proxy.revocable({}, {});
+
+p.revoke();
+
+assert.throws(TypeError, function() {
+  Object.isExtensible(p.proxy);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Proxy/isExtensible/return-is-abrupt.js b/js/src/tests/test262/built-ins/Proxy/isExtensible/return-is-abrupt.js
new file mode 100644
index 0000000000..7976c4ee36
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Proxy/isExtensible/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: 9.5.3
+description: >
+    Trap returns abrupt.
+info: |
+    [[IsExtensible]] ( )
+
+    ...
+    8. Let booleanTrapResult be ToBoolean(Call(trap, handler, «target»)).
+    9. ReturnIfAbrupt(booleanTrapResult).
+    ...
+features: [Proxy]
+---*/
+
+var p = new Proxy({}, {
+  isExtensible: function(t) {
+    throw new Test262Error();
+  }
+});
+
+assert.throws(Test262Error, function() {
+  Object.isExtensible(p);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Proxy/isExtensible/return-is-boolean.js b/js/src/tests/test262/built-ins/Proxy/isExtensible/return-is-boolean.js
new file mode 100644
index 0000000000..127251ac8a
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Proxy/isExtensible/return-is-boolean.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: 9.5.3
+description: >
+    The trap returns a boolean result.
+features: [Proxy]
+---*/
+
+var target = {};
+var p = new Proxy(target, {
+  isExtensible: function(t) {
+    if (Object.isExtensible(t)) {
+      return 1;
+    } else {
+      return 0;
+    }
+  }
+});
+
+assert.sameValue(Object.isExtensible(p), true);
+
+Object.preventExtensions(target);
+
+assert.sameValue(Object.isExtensible(p), false);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Proxy/isExtensible/return-is-different-from-target.js b/js/src/tests/test262/built-ins/Proxy/isExtensible/return-is-different-from-target.js
new file mode 100644
index 0000000000..e05b225188
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Proxy/isExtensible/return-is-different-from-target.js
@@ -0,0 +1,28 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 9.5.3
+description: >
+    Throws a TypeError exception if boolean trap result is not the same as
+    target.[[IsExtensible]]() result
+info: |
+    [[IsExtensible]] ( )
+
+    ...
+    12. If SameValue(booleanTrapResult, targetResult) is false, throw a
+    TypeError exception.
+    ...
+features: [Proxy]
+---*/
+
+var p = new Proxy({}, {
+  isExtensible: function(t) {
+    return false;
+  }
+});
+
+assert.throws(TypeError, function() {
+  Object.isExtensible(p);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Proxy/isExtensible/return-same-result-from-target.js b/js/src/tests/test262/built-ins/Proxy/isExtensible/return-same-result-from-target.js
new file mode 100644
index 0000000000..b4d2155b85
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Proxy/isExtensible/return-same-result-from-target.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: 9.5.3
+description: >
+    Return trap result.
+features: [Proxy]
+---*/
+
+var target = {};
+var p = new Proxy(target, {
+  isExtensible: function(t) {
+    return Object.isExtensible(t);
+  }
+});
+
+assert.sameValue(Object.isExtensible(p), true);
+
+Object.preventExtensions(target);
+
+assert.sameValue(Object.isExtensible(p), false);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Proxy/isExtensible/shell.js b/js/src/tests/test262/built-ins/Proxy/isExtensible/shell.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Proxy/isExtensible/shell.js
diff --git a/js/src/tests/test262/built-ins/Proxy/isExtensible/trap-is-missing-target-is-proxy.js b/js/src/tests/test262/built-ins/Proxy/isExtensible/trap-is-missing-target-is-proxy.js
new file mode 100644
index 0000000000..266db31b77
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Proxy/isExtensible/trap-is-missing-target-is-proxy.js
@@ -0,0 +1,33 @@
+// 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-isextensible
+description: >
+  If "isExtensible" trap is null or undefined, [[IsExtensible]] call is
+  properly forwarded to [[ProxyTarget]] (which is also a Proxy object).
+info: |
+  [[IsExtensible]] ( )
+
+  [...]
+  4. Let target be O.[[ProxyTarget]].
+  5. Let trap be ? GetMethod(handler, "isExtensible").
+  6. If trap is undefined, then
+    a. Return ? IsExtensible(target).
+
+  IsExtensible ( O )
+
+  1. Assert: Type(O) is Object.
+  2. Return ? O.[[IsExtensible]]().
+features: [Proxy]
+---*/
+
+var regExp = /(?:)/g;
+Object.preventExtensions(regExp);
+
+var regExpTarget = new Proxy(regExp, {});
+var regExpProxy = new Proxy(regExpTarget, {});
+
+assert(!Object.isExtensible(regExpProxy));
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Proxy/isExtensible/trap-is-not-callable-realm.js b/js/src/tests/test262/built-ins/Proxy/isExtensible/trap-is-not-callable-realm.js
new file mode 100644
index 0000000000..8406275aa3
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Proxy/isExtensible/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-isextensible
+description: >
+  Throws if trap is not callable (honoring the Realm of the current execution
+  context)
+info: |
+    [[IsExtensible]] ( )
+
+    ...
+    1. Let handler be the value of the [[ProxyHandler]] internal slot of O.
+    ...
+    5. Let trap be GetMethod(handler, "isExtensible").
+    ...
+        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({}, {
+  isExtensible: {}
+});
+
+assert.throws(TypeError, function() {
+  Object.isExtensible(p);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Proxy/isExtensible/trap-is-not-callable.js b/js/src/tests/test262/built-ins/Proxy/isExtensible/trap-is-not-callable.js
new file mode 100644
index 0000000000..b253fdebf6
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Proxy/isExtensible/trap-is-not-callable.js
@@ -0,0 +1,33 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 9.5.3
+description: >
+    Throws a TypeError exception if trap is not callable.
+info: |
+    [[IsExtensible]] ( )
+
+    ...
+    1. Let handler be the value of the [[ProxyHandler]] internal slot of O.
+    ...
+    5. Let trap be GetMethod(handler, "isExtensible").
+    ...
+        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, {
+  isExtensible: {}
+});
+
+assert.throws(TypeError, function() {
+  Object.isExtensible(p);
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Proxy/isExtensible/trap-is-null-target-is-proxy.js b/js/src/tests/test262/built-ins/Proxy/isExtensible/trap-is-null-target-is-proxy.js
new file mode 100644
index 0000000000..406c5969ea
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Proxy/isExtensible/trap-is-null-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-isextensible
+description: >
+  If "isExtensible" trap is null or undefined, [[IsExtensible]] call is
+  properly forwarded to [[ProxyTarget]] (which is also a Proxy object).
+info: |
+  [[IsExtensible]] ( )
+
+  [...]
+  4. Let target be O.[[ProxyTarget]].
+  5. Let trap be ? GetMethod(handler, "isExtensible").
+  6. If trap is undefined, then
+    a. Return ? IsExtensible(target).
+
+  IsExtensible ( O )
+
+  1. Assert: Type(O) is Object.
+  2. Return ? O.[[IsExtensible]]().
+features: [Proxy]
+---*/
+
+var plainObjectTarget = new Proxy({}, {});
+var plainObjectProxy = new Proxy(plainObjectTarget, {
+  isExtensible: null,
+});
+
+assert(Object.isExtensible(plainObjectProxy));
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Proxy/isExtensible/trap-is-undefined-target-is-proxy.js b/js/src/tests/test262/built-ins/Proxy/isExtensible/trap-is-undefined-target-is-proxy.js
new file mode 100644
index 0000000000..7830be1286
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Proxy/isExtensible/trap-is-undefined-target-is-proxy.js
@@ -0,0 +1,51 @@
+// 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-isextensible
+description: >
+  If "isExtensible" trap is null or undefined, [[IsExtensible]] call is
+  properly forwarded to [[ProxyTarget]] (which is also a Proxy object).
+info: |
+  [[IsExtensible]] ( )
+
+  [...]
+  4. Let target be O.[[ProxyTarget]].
+  5. Let trap be ? GetMethod(handler, "isExtensible").
+  6. If trap is undefined, then
+    a. Return ? IsExtensible(target).
+
+  IsExtensible ( O )
+
+  1. Assert: Type(O) is Object.
+  2. Return ? O.[[IsExtensible]]().
+
+  [[IsExtensible]] ( )
+
+  [...]
+  7. Let booleanTrapResult be ! ToBoolean(? Call(trap, handler, « target »)).
+  [...]
+  10. Return booleanTrapResult.
+features: [Proxy]
+---*/
+
+var array = [];
+var arrayExtensible = true;
+var arrayTarget = new Proxy(array, {
+  isExtensible: function() {
+    return arrayExtensible;
+  },
+});
+
+var arrayProxy = new Proxy(arrayTarget, {
+  isExtensible: undefined,
+});
+
+assert(Object.isExtensible(arrayProxy));
+
+Object.preventExtensions(array);
+arrayExtensible = false;
+
+assert(!Object.isExtensible(arrayProxy));
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Proxy/isExtensible/trap-is-undefined.js b/js/src/tests/test262/built-ins/Proxy/isExtensible/trap-is-undefined.js
new file mode 100644
index 0000000000..e95601b80f
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Proxy/isExtensible/trap-is-undefined.js
@@ -0,0 +1,26 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 9.5.3
+description: >
+    Return target.[[IsExtensible]]() if trap is undefined.
+info: |
+    [[IsExtensible]] ( )
+
+    ...
+    7. If trap is undefined, then
+        a. Return target.[[IsExtensible]]().
+    ...
+features: [Proxy]
+---*/
+
+var target = {};
+var p = new Proxy(target, {});
+
+assert.sameValue(Object.isExtensible(p), true);
+
+Object.preventExtensions(target);
+
+assert.sameValue(Object.isExtensible(p), false);
+
+reportCompare(0, 0);