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// Copyright 2011 the V8 project authors. All rights reserved.
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following
// disclaimer in the documentation and/or other materials provided
// with the distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
// Helper.
function TestWithProxies(test, x, y, z) {
test(function(h) { return new Proxy({}, h) }, x, y, z)
test(function(h) {
return new Proxy(function() {}, h)
}, x, y, z)
}
// Getting.
function TestWithGet(handler) {
TestWithProxies(TestWithGet2, handler)
}
var c = "global"
var key = ""
function TestWithGet2(create, handler) {
var b = "local"
var p = create(handler);
assertEquals("onproxy", p.a);
assertEquals(undefined, p.b);
assertEquals(undefined, p.c);
with (p) {
assertEquals("onproxy", a);
assertEquals("local", b);
assertEquals("global", c);
}
var o = Object.create(p, {d: {value: "own"}})
with (o) {
assertEquals("onproxy", a)
assertEquals("local", b);
assertEquals("global", c)
assertEquals("own", d)
}
}
TestWithGet({
get(target, k) {
key = k;
return k === "a" ? "onproxy" : undefined
},
has(target, k) { return k === 'a' }
})
TestWithGet({
get: function(r, k) { return this.get2(r, k) },
get2: function(r, k) { key = k; return k === "a" ? "onproxy" : undefined },
has(target, k) { return k === 'a' }
})
// Invoking.
function TestWithGetCall(handler) {
TestWithProxies(TestWithGetCall2, handler)
}
var receiver = null
var c = function() { return "global" }
function TestWithGetCall2(create, handler) {
var b = function() { return "local" }
var p = create(handler)
with (p) {
receiver = null
assertEquals("onproxy", a())
assertSame(p, receiver)
assertEquals("local", b())
assertEquals("global", c())
}
var o = Object.create(p, {d: {value: function() { return "own" }}})
with (o) {
receiver = null
assertEquals("onproxy", a())
assertSame(o, receiver)
assertEquals("local", b())
assertEquals("global", c())
assertEquals("own", d())
}
}
function onproxy() { receiver = this; return "onproxy" }
TestWithGetCall({
get: function(r, k) { key = k; return k === "a" ? onproxy : undefined },
has: function(t, k) {
key = k;
return k === "a";
}
})
TestWithGetCall({
get: function(r, k) { return this.get2(r, k) },
get2: function(r, k) { key = k; return k === "a" ? onproxy : undefined },
has: function(t, k) {
key = k;
return k === "a";
}
})
TestWithGetCall({
get: function(r, k) { key = k; return k === "a" ? onproxy : undefined },
has: function(t, k) {
return this.has2(k)
},
has2: function(k) {
key = k;
return k === "a";
}
})
TestWithGetCall({
get: function(r, k) { key = k; return k === "a" ? onproxy : undefined },
has: function(t, k) {
key = k;
return k === "a";
}
})
function TestWithGetCallThrow(handler) {
TestWithProxies(TestWithGetCallThrow2, handler)
}
function TestWithGetCallThrow2(create, handler) {
var b = function() { return "local" }
var p = create(handler)
with (p) {
assertThrowsEquals(function(){ a() }, "myexn")
assertEquals("local", b())
assertEquals("global", c())
}
var o = Object.create(p, {d: {value: function() { return "own" }}})
with (o) {
assertThrowsEquals(function(){ a() }, "myexn")
assertEquals("local", b())
assertEquals("global", c())
assertEquals("own", d())
}
}
function onproxythrow() { throw "myexn" }
TestWithGetCallThrow({
has: function(r, k) { return k === "a"; },
get: function(r, k) { key = k; return k === "a" ? onproxythrow : undefined },
})
TestWithGetCallThrow({
has: function(r, k) { return k === "a"; },
get: function(r, k) { return this.get2(r, k) },
get2: function(r, k) { key = k; return k === "a" ? onproxythrow : undefined },
})
// Setting.
var key
var val
function TestWithSet(handler, hasSetter) {
TestWithProxies(TestWithSet2, handler, hasSetter)
}
var c = "global"
function TestWithSet2(create, handler, hasSetter) {
var b = "local"
var p = create(handler)
key = val = undefined
with (p) {
a = "set"
assertEquals("a", key)
assertEquals("set", val)
assertEquals("local", b)
assertEquals("global", c)
b = "local"
c = "global"
assertEquals("a", key)
assertEquals("set", val)
}
if (!hasSetter) return
var o = Object.create(p, {d: {value: "own"}})
key = val = undefined
with (o) {
a = "set"
assertEquals("a", key)
assertEquals("set", val)
assertEquals("local", b)
assertEquals("global", c)
assertEquals("own", d)
b = "local"
c = "global"
d = "own"
assertEquals("a", key)
assertEquals("set", val)
}
}
TestWithSet({
set: function(r, k, v) { key = k; val = v; return true },
has: function(t, k) {
return k === "a"
}
})
TestWithSet({
set: function(r, k, v) { return this.set2(r, k, v) },
set2: function(r, k, v) { key = k; val = v; return true },
has: function(t, k) {
return k === "a"
}
})
TestWithSet({
has: function(t, k) {
return k === "a"
},
defineProperty: function(t, k, desc) { key = k; val = desc.value }
})
TestWithSet({
has: function(t, k) {
return this.has2(k)
},
has2: function(k) {
return k === "a"
},
defineProperty: function(t, k, desc) { this.defineProperty2(k, desc) },
defineProperty2: function(k, desc) { key = k; val = desc.value }
})
TestWithSet({
has: function(t, k) {
return k === "a"
},
defineProperty: function(t, k, desc) { key = k; val = desc.value }
})
TestWithSet({
has: function(t, k) {
return this.has2(k) },
has2: function(k) {
return k === "a"
},
set: function(t, k, v) { key = k; val = v; return true }
}, true)
TestWithSet({
has: function(t, k) {
return k === "a"
},
defineProperty: function(t, k, desc) { key = k; val = desc.value }
})
function TestWithSetThrow(handler, hasSetter) {
TestWithProxies(TestWithSetThrow2, handler, hasSetter)
}
function TestWithSetThrow2(create, handler, hasSetter) {
var p = create(handler)
assertThrowsEquals(function(){
with (p) {
a = 1
}
}, "myexn")
if (!hasSetter) return
var o = Object.create(p, {})
assertThrowsEquals(function(){
with (o) {
a = 1
}
}, "myexn")
}
TestWithSetThrow({
set: function() { throw "myexn" },
has: function(t, k) {
return k === "a"
}
})
TestWithSetThrow({
has: function() { throw "myexn" },
})
TestWithSetThrow({
has: function() { throw "myexn" },
})
TestWithSetThrow({
has: function(t, k) {
return k === "a"
},
defineProperty: function() { throw "myexn" }
})
TestWithSetThrow({
has: function(t, k) {
return k === "a"
},
set: function() { throw "myexn" }
}, true)