API/tests/testapi.js

   1 /*
   2  * Copyright (C) 2006 Apple Computer, Inc.  All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions
   6  * are met:
   7  * 1. Redistributions of source code must retain the above copyright
   8  *    notice, this list of conditions and the following disclaimer.
   9  * 2. Redistributions in binary form must reproduce the above copyright
  10  *    notice, this list of conditions and the following disclaimer in the
  11  *    documentation and/or other materials provided with the distribution.
  12  *
  13  * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
  14  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  16  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
  17  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  18  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  19  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  20  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
  21  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  23  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  24  */
  25
  26 function bludgeonArguments() { if (0) arguments; return function g() {} }
  27 h = bludgeonArguments();
  28 gc();
  29
  30 var failed = false;
  31 function pass(msg)
  32 {
  33     print("PASS: " + msg, "green");
  34 }
  35
  36 function fail(msg)
  37 {
  38     print("FAIL: " + msg, "red");
  39     failed = true;
  40 }
  41
  42 function shouldBe(a, b)
  43 {
  44     var evalA;
  45     try {
  46         evalA = eval(a);
  47     } catch(e) {
  48         evalA = e;
  49     }
  50
  51     if (evalA == b || isNaN(evalA) && typeof evalA == 'number' && isNaN(b) && typeof b == 'number')
  52         pass(a + " should be " + b + " and is.");
  53     else
  54         fail(a + " should be " + b + " but instead is " + evalA + ".");
  55 }
  56
  57 function shouldThrow(a)
  58 {
  59     var evalA;
  60     try {
  61         eval(a);
  62     } catch(e) {
  63         pass(a + " threw: " + e);
  64         return;
  65     }
  66
  67     fail(a + " did not throw an exception.");
  68 }
  69
  70 function globalStaticFunction()
  71 {
  72     return 4;
  73 }
  74
  75 shouldBe("globalStaticValue", 3);
  76 shouldBe("globalStaticFunction()", 4);
  77
  78 shouldBe("typeof MyObject", "function"); // our object implements 'call'
  79 MyObject.cantFind = 1;
  80 shouldBe("MyObject.cantFind", undefined);
  81 MyObject.regularType = 1;
  82 shouldBe("MyObject.regularType", 1);
  83 MyObject.alwaysOne = 2;
  84 shouldBe("MyObject.alwaysOne", 1);
  85 MyObject.cantDelete = 1;
  86 delete MyObject.cantDelete;
  87 shouldBe("MyObject.cantDelete", 1);
  88 shouldBe("delete MyObject.throwOnDelete", "an exception");
  89 MyObject.cantSet = 1;
  90 shouldBe("MyObject.cantSet", undefined);
  91 shouldBe("MyObject.throwOnGet", "an exception");
  92 shouldBe("MyObject.throwOnSet = 5", "an exception");
  93 shouldBe("MyObject('throwOnCall')", "an exception");
  94 shouldBe("new MyObject('throwOnConstruct')", "an exception");
  95 shouldBe("'throwOnHasInstance' instanceof MyObject", "an exception");
  96
  97 var foundMyPropertyName = false;
  98 var foundRegularType = false;
  99 for (var p in MyObject) {
 100     if (p == "myPropertyName")
 101         foundMyPropertyName = true;
 102     if (p == "regularType")
 103         foundRegularType = true;
 104 }
 105
 106 if (foundMyPropertyName)
 107     pass("MyObject.myPropertyName was enumerated");
 108 else
 109     fail("MyObject.myPropertyName was not enumerated");
 110
 111 if (foundRegularType)
 112     pass("MyObject.regularType was enumerated");
 113 else
 114     fail("MyObject.regularType was not enumerated");
 115
 116 myObject = new MyObject();
 117
 118 shouldBe("delete MyObject.regularType", true);
 119 shouldBe("MyObject.regularType", undefined);
 120 shouldBe("MyObject(0)", 1);
 121 shouldBe("MyObject()", undefined);
 122 shouldBe("typeof myObject", "object");
 123 shouldBe("MyObject ? 1 : 0", true); // toBoolean
 124 shouldBe("+MyObject", 1); // toNumber
 125 shouldBe("(MyObject.toString())", "[object MyObject]"); // toString
 126 shouldBe("String(MyObject)", "MyObjectAsString"); // type conversion to string
 127 shouldBe("MyObject - 0", 1); // toNumber
 128
 129 shouldBe("typeof MyConstructor", "object");
 130 constructedObject = new MyConstructor(1);
 131 shouldBe("typeof constructedObject", "object");
 132 shouldBe("constructedObject.value", 1);
 133 shouldBe("myObject instanceof MyObject", true);
 134 shouldBe("(new Object()) instanceof MyObject", false);
 135
 136 shouldThrow("MyObject.nullGetSet = 1");
 137 shouldThrow("MyObject.nullGetSet");
 138 shouldThrow("MyObject.nullCall()");
 139 shouldThrow("MyObject.hasPropertyLie");
 140
 141 derived = new Derived();
 142
 143 // base properties and functions return 1 when called/gotten; derived, 2
 144 shouldBe("derived.baseProtoDup()", 2);
 145 shouldBe("derived.baseProto()", 1);
 146 shouldBe("derived.baseDup", 2);
 147 shouldBe("derived.baseOnly", 1);
 148 shouldBe("derived.protoOnly()", 2);
 149 shouldBe("derived.protoDup", 2);
 150 shouldBe("derived.derivedOnly", 2)
 151
 152 // base properties throw 1 when set; derived, 2
 153 shouldBe("derived.baseDup = 0", 2);
 154 shouldBe("derived.baseOnly = 0", 1);
 155 shouldBe("derived.derivedOnly = 0", 2)
 156 shouldBe("derived.protoDup = 0", 2);
 157
 158 shouldBe("undefined instanceof MyObject", false);
 159 EvilExceptionObject.hasInstance = function f() { return f(); };
 160 EvilExceptionObject.__proto__ = undefined;
 161 shouldThrow("undefined instanceof EvilExceptionObject");
 162 EvilExceptionObject.hasInstance = function () { return true; };
 163 shouldBe("undefined instanceof EvilExceptionObject", true);
 164
 165 EvilExceptionObject.toNumber = function f() { return f(); }
 166 shouldThrow("EvilExceptionObject*5");
 167 EvilExceptionObject.toStringExplicit = function f() { return f(); }
 168 shouldThrow("String(EvilExceptionObject)");
 169
 170 shouldBe("EmptyObject", "[object CallbackObject]");
 171
 172 if (failed)
 173     throw "Some tests failed";
 174