diff options
Diffstat (limited to 'deps/v8/test/mjsunit/global-proxy-this.js')
-rw-r--r-- | deps/v8/test/mjsunit/global-proxy-this.js | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/deps/v8/test/mjsunit/global-proxy-this.js b/deps/v8/test/mjsunit/global-proxy-this.js new file mode 100644 index 0000000000..32e7868650 --- /dev/null +++ b/deps/v8/test/mjsunit/global-proxy-this.js @@ -0,0 +1,91 @@ +// Copyright 2019 the V8 project authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +// Flags: --allow-natives-syntax + +{ + const realm = Realm.createAllowCrossRealmAccess(); + const foo = Realm.eval(realm, "function foo() { return this.foo }; foo"); + + %PrepareFunctionForOptimization(foo); + assertSame(foo(), foo); + %OptimizeFunctionOnNextCall(foo); + assertSame(foo(), foo); +} + +// detachGlobal, old map +{ + const realm = Realm.createAllowCrossRealmAccess(); + const foo = Realm.eval(realm, "function foo() { return this.foo }; foo"); + + %PrepareFunctionForOptimization(foo); + assertSame(foo(), foo); + Realm.detachGlobal(realm); + %OptimizeFunctionOnNextCall(foo); + assertThrows(foo); +} + +// navigate, old map +{ + const realm = Realm.createAllowCrossRealmAccess(); + const foo = Realm.eval(realm, "function foo() { return this.foo }; foo"); + + %PrepareFunctionForOptimization(foo); + assertSame(foo(), foo); + Realm.navigate(realm); + %OptimizeFunctionOnNextCall(foo); + assertThrows(foo); +} + +// detachGlobal, new map +{ + const realm = Realm.createAllowCrossRealmAccess(); + const foo = Realm.eval(realm, "function foo() { return this.foo }; foo"); + + assertSame(foo(), foo); + Realm.detachGlobal(realm); + %PrepareFunctionForOptimization(foo); + assertThrows(foo); + %OptimizeFunctionOnNextCall(foo); + assertThrows(foo); +} + +// navigate, new map +{ + const realm = Realm.createAllowCrossRealmAccess(); + const foo = Realm.eval(realm, "function foo() { return this.foo }; foo"); + + assertSame(foo(), foo); + Realm.navigate(realm); + %PrepareFunctionForOptimization(foo); + assertThrows(foo); + %OptimizeFunctionOnNextCall(foo); + assertThrows(foo); +} + +// detachGlobal, old and new map +{ + const realm = Realm.createAllowCrossRealmAccess(); + const foo = Realm.eval(realm, "function foo() { return this.foo }; foo"); + + %PrepareFunctionForOptimization(foo); + assertSame(foo(), foo); + Realm.detachGlobal(realm); + assertThrows(foo); + %OptimizeFunctionOnNextCall(foo); + assertThrows(foo); +} + +// navigate, old and new map +{ + const realm = Realm.createAllowCrossRealmAccess(); + const foo = Realm.eval(realm, "function foo() { return this.foo }; foo"); + + %PrepareFunctionForOptimization(foo); + assertSame(foo(), foo); + Realm.navigate(realm); + assertThrows(foo); + %OptimizeFunctionOnNextCall(foo); + assertThrows(foo); +} |