third_party/WebKit/LayoutTests/fast/js/pic/cached-getter-setter.html

   1 <p>
   2 This page tests cached access to getters and setters. If the test passes,
   3 you'll see a series of PASS messages below.
   4 </p>
   5
   6 <pre id="console"></pre>
   7
   8 <script>
   9 (function() {
  10     if (window.testRunner)
  11         testRunner.dumpAsText();
  12
  13     function log(s)
  14     {
  15         if (this.document)
  16             document.getElementById("console").appendChild(document.createTextNode(s + "\n"));
  17         else
  18             print(s + "\n");
  19     }
  20
  21     function shouldBe(a, aDescription, b)
  22     {
  23         if (a === b) {
  24             log("PASS: " + aDescription + " should be " + b + " and is.");
  25         } else {
  26             log("FAIL: " + aDescription + " should be " + b + " but instead is " + a + ".");
  27         }
  28     }
  29
  30     (function() {
  31         var o = {
  32             x_ : 0,
  33             y_ : 0,
  34
  35             get x() { return this.x_; },
  36             set x(x) { this.x_ = x; },
  37
  38             __proto__ : {
  39                 get y() { return this.y_; },
  40                 set y(y) { this.y_ = y; }
  41             }
  42         };
  43
  44         for (var i = 0; i < 3; ++i) {
  45             o.x = i;
  46             shouldBe(o.x, "o.x", i);
  47         }
  48
  49         for (var i = 0; i < 3; ++i) {
  50             o.y = i;
  51             shouldBe(o.y, "o.y", i);
  52         }
  53     })();
  54
  55     function testGetter(o) {
  56         var result;
  57         for (var i = 0; i < 10; i++)
  58             result = o.getter;
  59         return result;
  60     }
  61     function testProtoGetter(o) {
  62         var result;
  63         for (var i = 0; i < 10; i++)
  64             result = o.getter;
  65         return result;
  66     }
  67     function testProtoChainGetter(o) {
  68         var result;
  69         for (var i = 0; i < 10; i++)
  70             result = o.getter;
  71         return result;
  72     }
  73     shouldBe(testGetter({__proto__: {count: 'FAIL'}, get getter(){ return ++this.count; }, count: 0}),
  74             "testGetter({__proto__: {count: 'FAIL'}, get getter(){ return ++this.count; }, count: 0})", 10);
  75     shouldBe(testGetter({__proto__: {count: 'FAIL'}, get getter(){ return ++this.count; }, count: 0, newProperty: 0}),
  76             "testGetter({__proto__: {count: 'FAIL'}, get getter(){ return ++this.count; }, count: 0, newProperty: 0})", 10);
  77     shouldBe(testGetter({__proto__: {count: 'FAIL'}, get getter(){ return ++this.count; }, count: 0, newProperty2: 0}),
  78             "testGetter({__proto__: {count: 'FAIL'}, get getter(){ return ++this.count; }, count: 0, newProperty2: 0})", 10);
  79     shouldBe(testProtoGetter({__proto__: {count: 'FAIL', get getter(){ return ++this.count; }}, count: 0}),
  80             "testProtoGetter({__proto__: {count: 'FAIL', get getter(){ return ++this.count; }}, count: 0})", 10);
  81     shouldBe(testProtoGetter({__proto__: {count: 'FAIL', get getter(){ return ++this.count; }}, count: 0, newProperty: 0}),
  82             "testProtoGetter({__proto__: {count: 'FAIL', get getter(){ return ++this.count; }}, count: 0, newProperty: 0})", 10);
  83     shouldBe(testProtoGetter({__proto__: {count: 'FAIL', get getter(){ return ++this.count; }}, count: 0, newProperty2: 0}),
  84             "testProtoGetter({__proto__: {count: 'FAIL', get getter(){ return ++this.count; }}, count: 0, newProperty2: 0})", 10);
  85     shouldBe(testProtoChainGetter({__proto__: {__proto__: {count: 'FAIL', get getter(){ return ++this.count; }}}, count: 0}),
  86             "testProtoChainGetter({__proto__: {__proto__: {count: 'FAIL', get getter(){ return ++this.count; }}}, count: 0})", 10);
  87     shouldBe(testProtoChainGetter({__proto__: {__proto__: {count: 'FAIL', get getter(){ return ++this.count; }}}, count: 0, newProperty: 0}),
  88             "testProtoChainGetter({__proto__: {__proto__: {count: 'FAIL', get getter(){ return ++this.count; }}}, count: 0, newProperty: 0})", 10);
  89     shouldBe(testProtoChainGetter({__proto__: {__proto__: {count: 'FAIL', get getter(){ return ++this.count; }}}, count: 0, newProperty2: 0}),
  90             "testProtoChainGetter({__proto__: {__proto__: {count: 'FAIL', get getter(){ return ++this.count; }}}, count: 0, newProperty2: 0})", 10);
  91
  92     function testGetterBigObject(o) {
  93         var result;
  94         for (var i = 0; i < 10; i++)
  95             result = o.getter;
  96         return result;
  97     }
  98     function testProtoGetterBigObject(o) {
  99         var result;
 100         for (var i = 0; i < 10; i++)
 101             result = o.getter;
 102         return result;
 103     }
 104     function testProtoChainGetterBigObject(o) {
 105         var result;
 106         for (var i = 0; i < 10; i++)
 107             result = o.getter;
 108         return result;
 109     }
 110     shouldBe(testGetterBigObject({__proto__: {count: 'FAIL'}, get getter(){ return ++this.count; }, count: 0, a:1, b:2, c:3, d: 4, e: 5, f: 6, g: 7, h: 8, i: 9}),
 111             "testGetterBigObject({__proto__: {count: 'FAIL'}, get getter(){ return ++this.count; }, count: 0, a:1, b:2, c:3, d: 4, e: 5, f: 6, g: 7, h: 8, i: 9})", 10);
 112     shouldBe(testGetterBigObject({__proto__: {count: 'FAIL'}, get getter(){ return ++this.count; }, count: 0, newProperty: 0, a:1, b:2, c:3, d: 4, e: 5, f: 6, g: 7, h: 8, i: 9}),
 113             "testGetterBigObject({__proto__: {count: 'FAIL'}, get getter(){ return ++this.count; }, count: 0, newProperty: 0, a:1, b:2, c:3, d: 4, e: 5, f: 6, g: 7, h: 8, i: 9})", 10);
 114     shouldBe(testGetterBigObject({__proto__: {count: 'FAIL'}, get getter(){ return ++this.count; }, count: 0, newProperty2: 0, a:1, b:2, c:3, d: 4, e: 5, f: 6, g: 7, h: 8, i: 9}),
 115             "testGetterBigObject({__proto__: {count: 'FAIL'}, get getter(){ return ++this.count; }, count: 0, newProperty2: 0, a:1, b:2, c:3, d: 4, e: 5, f: 6, g: 7, h: 8, i: 9})", 10);
 116     shouldBe(testProtoGetterBigObject({__proto__: {count: 'FAIL', get getter(){ return ++this.count; }, a:1, b:2, c:3, d: 4, e: 5, f: 6, g: 7, h: 8, i: 9}, count: 0}),
 117             "testProtoGetterBigObject({__proto__: {count: 'FAIL', get getter(){ return ++this.count; }, a:1, b:2, c:3, d: 4, e: 5, f: 6, g: 7, h: 8, i: 9}, count: 0})", 10);
 118     shouldBe(testProtoGetterBigObject({__proto__: {count: 'FAIL', get getter(){ return ++this.count; }, a:1, b:2, c:3, d: 4, e: 5, f: 6, g: 7, h: 8, i: 9}, count: 0, newProperty: 0}),
 119             "testProtoGetterBigObject({__proto__: {count: 'FAIL', get getter(){ return ++this.count; }, a:1, b:2, c:3, d: 4, e: 5, f: 6, g: 7, h: 8, i: 9}, count: 0, newProperty: 0})", 10);
 120     shouldBe(testProtoGetterBigObject({__proto__: {count: 'FAIL', get getter(){ return ++this.count; }, a:1, b:2, c:3, d: 4, e: 5, f: 6, g: 7, h: 8, i: 9}, count: 0, newProperty2: 0}),
 121             "testProtoGetterBigObject({__proto__: {count: 'FAIL', get getter(){ return ++this.count; }, a:1, b:2, c:3, d: 4, e: 5, f: 6, g: 7, h: 8, i: 9}, count: 0, newProperty2: 0})", 10);
 122     shouldBe(testProtoChainGetterBigObject({__proto__: {__proto__: {count: 'FAIL', get getter(){ return ++this.count; }, a:1, b:2, c:3, d: 4, e: 5, f: 6, g: 7, h: 8, i: 9}}, count: 0}),
 123             "testProtoChainGetterBigObject({__proto__: {__proto__: {count: 'FAIL', get getter(){ return ++this.count; }, a:1, b:2, c:3, d: 4, e: 5, f: 6, g: 7, h: 8, i: 9}}, count: 0})", 10);
 124     shouldBe(testProtoChainGetterBigObject({__proto__: {__proto__: {count: 'FAIL', get getter(){ return ++this.count; }, a:1, b:2, c:3, d: 4, e: 5, f: 6, g: 7, h: 8, i: 9}}, count: 0, newProperty: 0}),
 125             "testProtoChainGetterBigObject({__proto__: {__proto__: {count: 'FAIL', get getter(){ return ++this.count; }, a:1, b:2, c:3, d: 4, e: 5, f: 6, g: 7, h: 8, i: 9}}, count: 0, newProperty: 0})", 10);
 126     shouldBe(testProtoChainGetterBigObject({__proto__: {__proto__: {count: 'FAIL', get getter(){ return ++this.count; }, a:1, b:2, c:3, d: 4, e: 5, f: 6, g: 7, h: 8, i: 9}}, count: 0, newProperty2: 0}),
 127             "testProtoChainGetterBigObject({__proto__: {__proto__: {count: 'FAIL', get getter(){ return ++this.count; }, a:1, b:2, c:3, d: 4, e: 5, f: 6, g: 7, h: 8, i: 9}}, count: 0, newProperty2: 0})", 10);
 128
 129     (function() {
 130         var o = {
 131             x : 1,
 132             y : 1
 133         };
 134
 135         function getX(o)
 136         {
 137             return o.x;
 138         }
 139
 140         function setX(o, x)
 141         {
 142             o.x = x;
 143         }
 144
 145         getX(o);
 146         getX(o);
 147
 148         setX(o, 2);
 149         setX(o, 2);
 150
 151         o.__defineGetter__("x", function() { return 3; });
 152         o.__defineSetter__("x", function(x) { });
 153
 154         shouldBe(getX(o), "getX(o)", 3);
 155         setX(o, 2);
 156         shouldBe(getX(o), "getX(o)", 3);
 157     })();
 158 })();
 159 </script>