completed prototype-chain

adaau · adaau · commit 15f9f89a5714 · 2015-10-07T23:04:07.000+08:00
diff --git a/topics/about_prototype_chain.js b/topics/about_prototype_chain.js
@@ -27,37 +27,37 @@ child.b = 2;
  * */
 
 test("Is there an 'a' and 'b' own property on child?", function () {
-  equal(__, child.hasOwnProperty('a'), 'child.hasOwnProperty(\'a\')?');
-  equal(__, child.hasOwnProperty('b'), 'child.hasOwnProperty(\'b\')?');
+  equal(true, child.hasOwnProperty('a'), 'child.hasOwnProperty(\'a\')?');
+  equal(true, child.hasOwnProperty('b'), 'child.hasOwnProperty(\'b\')?');
 });
 
 test("Is there an 'a' and 'b' property on child?", function () {
-  equal(__, child.a, 'what is \'a\' value?');
-  equal(__, child.b, 'what is \'b\' value?');
+  equal(true, child.a, 'what is \'a\' value?');
+  equal(true, child.b, 'what is \'b\' value?');
 });
 
 test("If 'b' was removed, whats b value?", function () {
   delete child.b;
-  equal(__, child.b, 'what is \'b\' value now?');
+  equal(3, child.b, 'what is \'b\' value now?');
 });
 
 
 test("Is there a 'c' own property on child?", function () {
-  equal(__, child.hasOwnProperty('c'), 'child.hasOwnProperty(\'c\')?');
+  equal(false, child.hasOwnProperty('c'), 'child.hasOwnProperty(\'c\')?');
 });
 
 // Is there a 'c' own property on child? No, check its prototype
 // Is there a 'c' own property on child.[[Prototype]]? Yes, its value is...
 test("Is there a 'c' property on child?", function () {
-  equal(__, child.c, 'what is the value of child.c?');
+  equal(4, child.c, 'what is the value of child.c?');
 });
 
 
 // Is there a 'd' own property on child? No, check its prototype
 // Is there a 'd' own property on child.[[Prototype]]? No, check it prototype
 // child.[[Prototype]].[[Prototype]] is null, stop searching, no property found, return...
 test("Is there an 'd' property on child?", function () {
-  equal(__, child.d, 'what is the value of child.d?');
+  equal(undefined, child.d, 'what is the value of child.d?');
 });
 
 
diff --git a/topics/about_reflection.js b/topics/about_reflection.js
@@ -1,7 +1,7 @@
 module("About Reflection (topics/about_reflection.js)");
 
 var A = function() {
-    this.aprop = "A";    
+    this.aprop = "A";
 };
 
 var B = function() {
@@ -11,10 +11,10 @@ var B = function() {
 B.prototype = new A();
 
 test("typeof", function() {
-    equal(__, typeof({}), 'what is the type of an empty object?');
-    equal(__, typeof('apple'), 'what is the type of a string?');
-    equal(__, typeof(-5), 'what is the type of -5?');
-    equal(__, typeof(false), 'what is the type of false?');		
+    equal("object", typeof({}), 'what is the type of an empty object?');
+    equal("string", typeof('apple'), 'what is the type of a string?');
+    equal("number", typeof(-5), 'what is the type of -5?');
+    equal("boolean", typeof(false), 'what is the type of false?');
 });
 
 test("property enumeration", function() {
@@ -25,8 +25,8 @@ test("property enumeration", function() {
         keys.push(propertyName);
         values.push(person[propertyName]);
     }
-    ok(keys.equalTo(['__','__','__']), 'what are the property names of the object?');
-    ok(values.equalTo(['__',__,__]), 'what are the property values of the object?');
+    ok(keys.equalTo(['name','age','unemployed']), 'what are the property names of the object?');
+    ok(values.equalTo(['Amory Blaine',102,true]), 'what are the property values of the object?');
 });
 
 test("hasOwnProperty", function() {
@@ -37,32 +37,32 @@ test("hasOwnProperty", function() {
     for (propertyName in b) {
         keys.push(propertyName);
     }
-    equal(__, keys.length, 'how many elements are in the keys array?');
-    deepEqual([__, __], keys, 'what are the properties of the array?');
+    equal(2, keys.length, 'how many elements are in the keys array?');
+    deepEqual([bprop, aprop], keys, 'what are the properties of the array?');
 
-    // hasOwnProperty returns true if the parameter is a property directly on the object, 
+    // hasOwnProperty returns true if the parameter is a property directly on the object,
     // but not if it is a property accessible via the prototype chain.
     var ownKeys = [];
     for(propertyName in b) {
         if (b.hasOwnProperty(propertyName)) {
             ownKeys.push(propertyName);
         }
     }
-    equal(__, ownKeys.length, 'how many elements are in the ownKeys array?');
-    deepEqual([__], ownKeys, 'what are the own properties of the array?');
+    equal(1, ownKeys.length, 'how many elements are in the ownKeys array?');
+    deepEqual([bprop], ownKeys, 'what are the own properties of the array?');
 });
 
 test("constructor property", function () {
     var a = new A();
     var b = new B();
     equal(__, typeof(a.constructor), "what is the type of a's constructor?");
-    equal(__, a.constructor.name, "what is the name of a's constructor?");    
-    equal(__, b.constructor.name, "what is the name of b's constructor?");    
+    equal(__, a.constructor.name, "what is the name of a's constructor?");
+    equal(__, b.constructor.name, "what is the name of b's constructor?");
 });
 
 test("eval", function() {
     // eval executes a string
     var result = "";
     eval("result = 'apple' + ' ' + 'pie'");
-    equal(__, result, 'what is the value of result?');
+    equal("apple pie", result, 'what is the value of result?');
 });
