Proxy: construct

test/built-ins/Proxy/construct/call-parameters.js

@@ -0,0 +1,37 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 9.5.14
+description: >
+    trap is called with handler object as its context, and parameters are:
+    target, an array list with the called arguments and the new target, and the
+    constructor new.target.
+info: >
+    [[Construct]] ( argumentsList, newTarget)
+
+    9. Let newObj be Call(trap, handler, «target, argArray, newTarget »).
+---*/
+
+var _target, _handler, _args, _P;
+function Target() {}
+
+var handler = {
+    construct: function(t, args, newTarget) {
+        _handler = this;
+        _target = t;
+        _args = args;
+        _P = newTarget;
+
+        return new t(args[0], args[1]);
+    }
+};
+var P = new Proxy(Target, handler);
+
+new P(1, 2);
+
+assert.sameValue(_handler, handler, "trap context is the handler object");
+assert.sameValue(_target, Target, "first parameter is the target object");
+assert.sameValue(_args.length, 2, "arguments list contains all call arguments");
+assert.sameValue(_args[0], 1, "arguments list has first call argument");
+assert.sameValue(_args[1], 2, "arguments list has second call argument");
+assert.sameValue(_P, P, "constructor is sent as the third parameter");

test/built-ins/Proxy/construct/call-result.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: 9.5.14
+description: >
+    Return the result from the trap method.
+info: >
+    [[Construct]] ( argumentsList, newTarget)
+
+    12. Return newObj
+---*/
+
+function Target(a, b) {
+    this.sum = a + b;
+};
+var handler = {
+    construct: function(t, c, args) {
+        return { sum: 42 };
+    }
+};
+var P = new Proxy(Target, handler);
+
+assert.sameValue((new P(1, 2)).sum, 42);

test/built-ins/Proxy/construct/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: 9.5.14
+description: >
+    [[Construct]] ( argumentsList, newTarget)
+
+    2. If handler is null, throw a TypeError exception.
+---*/
+
+
+var p = Proxy.revocable(function() {}, {});
+
+p.revoke();
+
+assert.throws(TypeError, function() {
+    new p.proxy();
+});

test/built-ins/Proxy/construct/return-is-abrupt.js

@@ -0,0 +1,24 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 9.5.14
+description: >
+    Return abrupt from constructor call.
+info: >
+    [[Construct]] ( argumentsList, newTarget)
+
+    9. Let newObj be Call(trap, handler, «target, argArray, newTarget »).
+    10. ReturnIfAbrupt(newObj).
+includes: [Test262Error.js]
+---*/
+
+function Target() {}
+var P = new Proxy(Target, {
+    construct: function() {
+        throw new Test262Error();
+    }
+});
+
+assert.throws(Test262Error, function() {
+    new P();
+});

test/built-ins/Proxy/construct/return-not-object-throws-boolean.js

@@ -0,0 +1,24 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 9.5.14
+description: >
+    Throws a TypeError if trap result is not an Object: Boolean
+info: >
+    [[Construct]] ( argumentsList, newTarget)
+
+    11. If Type(newObj) is not Object, throw a TypeError exception.
+---*/
+
+function Target() {
+    this.attr = "done";
+};
+var P = new Proxy(Target, {
+    construct: function() {
+        return true;
+    }
+});
+
+assert.throws(TypeError, function() {
+    new P();
+});

test/built-ins/Proxy/construct/return-not-object-throws-number.js

@@ -0,0 +1,24 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 9.5.14
+description: >
+    Throws a TypeError if trap result is not an Object: Number
+info: >
+    [[Construct]] ( argumentsList, newTarget)
+
+    11. If Type(newObj) is not Object, throw a TypeError exception.
+---*/
+
+function Target() {
+    this.attr = "done";
+};
+var P = new Proxy(Target, {
+    construct: function() {
+        return 0;
+    }
+});
+
+assert.throws(TypeError, function() {
+    new P();
+});

test/built-ins/Proxy/construct/return-not-object-throws-string.js

@@ -0,0 +1,24 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 9.5.14
+description: >
+    Throws a TypeError if trap result is not an Object: String
+info: >
+    [[Construct]] ( argumentsList, newTarget)
+
+    11. If Type(newObj) is not Object, throw a TypeError exception.
+---*/
+
+function Target() {
+    this.attr = "done";
+};
+var P = new Proxy(Target, {
+    construct: function() {
+        return "";
+    }
+});
+
+assert.throws(TypeError, function() {
+    new P();
+});

test/built-ins/Proxy/construct/return-not-object-throws-symbol.js

@@ -0,0 +1,25 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 9.5.14
+description: >
+    Throws a TypeError if trap result is not an Object: Symbol
+info: >
+    [[Construct]] ( argumentsList, newTarget)
+
+    11. If Type(newObj) is not Object, throw a TypeError exception.
+features: [Symbol]
+---*/
+
+function Target() {
+    this.attr = "done";
+};
+var P = new Proxy(Target, {
+    construct: function() {
+        return Symbol();
+    }
+});
+
+assert.throws(TypeError, function() {
+    new P();
+});

test/built-ins/Proxy/construct/return-not-object-throws-undefined.js

@@ -0,0 +1,24 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 9.5.14
+description: >
+    Throws a TypeError if trap result is not an Object: undefined
+info: >
+    [[Construct]] ( argumentsList, newTarget)
+
+    11. If Type(newObj) is not Object, throw a TypeError exception.
+---*/
+
+function Target() {
+    this.attr = "done";
+};
+var P = new Proxy(Target, {
+    construct: function() {
+        return undefined;
+    }
+});
+
+assert.throws(TypeError, function() {
+    new P();
+});

test/built-ins/Proxy/construct/trap-is-not-callable.js

@@ -0,0 +1,16 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 9.5.14
+description: >
+    Throws if trap is not callable.
+---*/
+
+function Target() {}
+var p = new Proxy(Target, {
+    construct: {}
+});
+
+assert.throws(TypeError, function() {
+    new p();
+});

test/built-ins/Proxy/construct/trap-is-undefined-no-property.js

@@ -0,0 +1,19 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 9.5.14
+description: >
+    If trap is undefined, propagate the construct to the target object.
+info: >
+    [[Construct]] ( argumentsList, newTarget)
+
+    7. If trap is undefined, then
+        b. Return Construct(target, argumentsList, newTarget).
+---*/
+
+function Target(arg) {
+    this.attr = arg;
+}
+var P = new Proxy(Target, {});
+
+assert.sameValue((new P("foo")).attr, "foo");

test/built-ins/Proxy/construct/trap-is-undefined.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: 9.5.14
+description: >
+    If trap is undefined, propagate the construct to the target object.
+info: >
+    [[Construct]] ( argumentsList, newTarget)
+
+    7. If trap is undefined, then
+        b. Return Construct(target, argumentsList, newTarget).
+---*/
+
+function Target(arg) {
+    this.attr = arg;
+}
+var P = new Proxy(Target, {
+    construct: undefined
+});
+
+assert.sameValue((new P("foo")).attr, "foo");