complete

Author: bruz

topics/about_arrays.js

@@ -3,32 +3,32 @@ module("About Arrays (topics/about_arrays.js)");
 
 test("array literal syntax and indexing", function() {
     var favouriteThings = ["cellar door", 42, true]; // note that array elements do not have to be of the same type
-    equals(favouriteThings[0], __, 'what is in the first position of the array?');
-    equals(favouriteThings[1], __, 'what is in the second position of the array?');
-    equals(favouriteThings[2], __, 'what is in the third position of the array?');
+    equals(favouriteThings[0], "cellar door", 'what is in the first position of the array?');
+    equals(favouriteThings[1], 42, 'what is in the second position of the array?');
+    equals(favouriteThings[2], true, 'what is in the third position of the array?');
 });
 
 test("array type", function() {
-    equals(typeof([]), __, 'what is the type of an array?');
+    equals(typeof([]), "object", 'what is the type of an array?');
 });
 
 test("length", function() {
     var collection = ['a','b','c'];
-    equals(collection.length, __, 'what is the length of the collection array?');
+    equals(collection.length, 3, 'what is the length of the collection array?');
 });
 
 test("splice", function() {
     var daysOfWeek = ['Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday', 'Sunday'];
-    var workingWeek = daysOfWeek.splice(__, __);
-    ok(workingWeek.equalTo([__]), 'what is the value of workingWeek?');
-    ok(daysOfWeek.equalTo([__]), 'what is the value of daysOfWeek?');
+    var workingWeek = daysOfWeek.splice(0, 5);
+    ok(workingWeek.equalTo(['Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday']), 'what is the value of workingWeek?');
+    ok(daysOfWeek.equalTo(['Saturday', 'Sunday']), 'what is the value of daysOfWeek?');
 });
 
 test("stack methods", function() {
     var stack = [];
     stack.push("first");
     stack.push("second");
 
-    equals(stack.pop(), __, 'what will be the first value poped off the stack?');
-    equals(stack.pop(), __, 'what will be the second value poped off the stack?');
+    equals(stack.pop(), "second", 'what will be the first value poped off the stack?');
+    equals(stack.pop(), "first", 'what will be the second value poped off the stack?');
 });

topics/about_asserts.js

@@ -2,13 +2,13 @@
 module("About Asserts (topics/about_asserts.js)");
 
 test("ok", function() {
-    ok(__, 'what will satisfy the ok assertion?');
+    ok(true, 'what will satisfy the ok assertion?');
 });
 
 test("not", function() {
-    not(__, 'what is a false value?');
+    not(false, 'what is a false value?');
 });
 
 test("equals", function() {
-    equals(1+1, __, 'what will satisfy the equals assertion?');
+    equals(1+1, 2, 'what will satisfy the equals assertion?');
 });

topics/about_assignment.js

@@ -2,11 +2,11 @@
 module("About Assignment (topics/about_assignment.js)");
 
 test("local variables", function() {
-    var temp = __;
+    var temp = 1;
     equals(1, temp, "Assign a value to the variable temp");
 });
 
 test("global variables", function() {
     temp = 1;
-    equals(temp, window.__, 'global variables are assigned to the window object');
+    equals(temp, window.temp, 'global variables are assigned to the window object');
 });

topics/about_control_structures.js

@@ -6,15 +6,15 @@ test("if", function() {
 	if (2 > 0) {
 		isPositive = true;
 	}
-	equals(isPositive, __,  'what is the value of isPositive?');
+	equals(isPositive, true,  'what is the value of isPositive?');
 });
 
 test("for", function() {
 	var counter = 10;
 	for (var i = 1; i <= 3; i++) {
 		counter = counter + i;
 	}
-	equals(counter, __, 'what is the value of counter?');
+	equals(counter, 16, 'what is the value of counter?');
 });
 
 test("for in", function() {
@@ -26,17 +26,17 @@ test("for in", function() {
 	var result = "";
 	// for in enumerates the property names of an object
 	for (property_name in person) {
-  result = result + property_name;
+        result = result + property_name;
 	};
-	equals(result, __, 'what is the value of result?');
+	equals(result, "nameage", 'what is the value of result?');
 });
 
 test("ternary operator", function() {
 	var fruit = true ? "apple" : "orange";
-	equals(fruit, __, 'what is the value of fruit?');
+	equals(fruit, "apple", 'what is the value of fruit?');
 
 	fruit = false ? "apple" : "orange";
-	equals(fruit, __, 'now what is the value of fruit?');
+	equals(fruit, "orange", 'now what is the value of fruit?');
 });
 
 test("switch", function() {
@@ -49,7 +49,7 @@ test("switch", function() {
 			result = 2;
 			break;
 	}
-	equals(result, __, 'what is the value of result?');
+	equals(result, 2, 'what is the value of result?');
 });
 
 test("switch default case", function() {
@@ -65,10 +65,10 @@ test("switch default case", function() {
             result = "Merry";
             break;
     }
-    equals(result, __, 'what is the value of result?');
+    equals(result, "Merry", 'what is the value of result?');
 });
 
 test("null coallescion", function() {
     var result = null || "a value";
-    equals(result, __, 'what is the value of result?');
+    equals(result, "a value", 'what is the value of result?');
 });

topics/about_equality.js

@@ -2,21 +2,21 @@
 module("About Equality (topics/about_equality.js)");
 
 test("numeric equality", function() {
-    equals(3 + __,  7, 'hmmmm?');
+    equals(3 + 4,  7, 'hmmmm?');
 });
 
 test("string equality", function() {
-    equals("3" + __, "37", "concatenate the strings");
+    equals("3" + "7", "37", "concatenate the strings");
 });
 
 test("equality without type coercion", function() {
-    ok(3 === __, 'what is exactly equal to 3?');
+    ok(3 === 3, 'what is exactly equal to 3?');
 });
 
 test("equality with type coercion", function() {
-    ok(3 == "__", 'what string is equal to 3, with type coercion?');
+    ok(3 == "3", 'what string is equal to 3, with type coercion?');
 });
 
 test("string literals", function() {
-    equals("frankenstein", '__', "quote types are interchangable, but must match.");
+    equals("frankenstein", 'frankenstein', "quote types are interchangable, but must match.");
 });

topics/about_functions_and_closure.js

@@ -8,14 +8,14 @@ test("defining functions directly", function() {
         result = "b";
     };	
     changeResult();
-    equals(result, __, 'what is the value of result?');
+    equals(result, "b", 'what is the value of result?');
 });
 
 test("assigning functions to variables", function() {
     var triple = function(input) {
         return input * 3;
     };
-    equals(triple(4), __, 'what is triple 4?');		
+    equals(triple(4), 12, 'what is triple 4?');		
 });
 
 test("self invoking functions", function() {		
@@ -24,22 +24,22 @@ test("self invoking functions", function() {
     // self invoking functions are used to provide scoping and to alias variables
     (function(pv) {
         var secretValue = "password";
-        equals(pv, __, 'what is the value of pv?');
-        equals(typeof(secretValue), "__", "is secretValue available in this context?");
-        equals(typeof(publicValue), "__", "is publicValue available in this context?");
+        equals(pv, "shared", 'what is the value of pv?');
+        equals(typeof(secretValue), "string", "is secretValue available in this context?");
+        equals(typeof(publicValue), "string", "is publicValue available in this context?");
     })(publicValue);
 
-    equals(typeof(secretValue), "__", "is secretValue available in this context?");
-    equals(typeof(publicValue), "__", "is publicValue available in this context?");
+    equals(typeof(secretValue), "undefined", "is secretValue available in this context?");
+    equals(typeof(publicValue), "string", "is publicValue available in this context?");
 });
 
 test("arguments array", function() {
     var add = function() {
         var total = 0;
         for(var i = 0; i < arguments.length; i++) {
-            // complete the implementation of this method so that it returns the sum of its arguments
+            total += arguments[i];
         }
-        // __
+        return total;
     };
 
     equals(add(1,2,3,4,5), 15, "add 1,2,3,4,5");
@@ -57,7 +57,7 @@ test("using call to invoke function",function(){
     //function, and the arguments to be sent to the function,multiple arguments are separated by commas.
     var result = invokee.call("I am this!", "Where did it come from?");
 
-    equals(result,__,"what will the value of invokee's this be?");
+    equals(result,"I am this!Where did it come from?","what will the value of invokee's this be?");
 });
 
 test("using apply to invoke function",function(){
@@ -70,6 +70,6 @@ test("using apply to invoke function",function(){
     //function and and array of arguments to be passed into the called function.
     var result = invokee.apply("I am this!", ["I am arg1","I am arg2"]);
 
-    equals(result,__,"what will the value of invokee's this be?");
+    equals(result,"I am this!I am arg1I am arg2","what will the value of invokee's this be?");
 });
 

topics/about_numbers.js

@@ -4,13 +4,13 @@ module("About Numbers (topics/about_numbers.js)");
 test("types", function() {
     var typeOfIntegers = typeof(6);
     var typeOfFloats = typeof(3.14159);
-    equals(typeOfIntegers === typeOfFloats, __, 'are ints and floats the same type?');
-    equals(typeOfIntegers, __, 'what is the javascript numeric type?');
-    equals(1.0, __, 'what is a integer number equivalent to 1.0?');
+    equals(typeOfIntegers === typeOfFloats, true, 'are ints and floats the same type?');
+    equals(typeOfIntegers, "number", 'what is the javascript numeric type?');
+    equals(1.0, 1, 'what is a integer number equivalent to 1.0?');
 });
 
 test("NaN", function() {
     var resultOfFailedOperations = 7/'apple';
-    equals(isNaN(resultOfFailedOperations), __, 'what will satisfy the equals assertion?');
-    equals(resultOfFailedOperations == NaN, __, 'is NaN == NaN?');
+    equals(isNaN(resultOfFailedOperations), true, 'what will satisfy the equals assertion?');
+    equals(resultOfFailedOperations == NaN, false, 'is NaN == NaN?');
 });

topics/about_objects.js

@@ -3,30 +3,30 @@ module("About Objects (topics/about_objects.js)");
 
 test("object type", function() {
     var empty_object = {};
-    equals(typeof(empty_object), __, 'what is the type of an object?');
+    equals(typeof(empty_object), "object", 'what is the type of an object?');
 });
 
 test("object literal notation", function() {
     var person = {
-        __:__,
-        __:__
+        name: "Amory Blaine",
+        age: 102
     };		
     equals(person.name, "Amory Blaine", 'what is the person\'s name?');
     equals(person.age, 102, 'what is the person\'s age?');
 });
 
 test("dynamically adding properties", function() {
     var person = {};
-    person.__ = "Amory Blaine";
-    person.__ = 102;
+    person.name = "Amory Blaine";
+    person.age = 102;
     equals(person.name, "Amory Blaine", 'what is the person\'s name?');
     equals(person.age, 102, 'what is the person\'s age?');
 }); 
 
 test("adding properties from strings", function() {
     var person = {};
-    person["__"] = "Amory Blaine";
-    person["__"] = 102;
+    person["name"] = "Amory Blaine";
+    person["age"] = 102;
     equals(person.name, "Amory Blaine", 'what is the person\'s name?');
     equals(person.age, 102, 'what is the person\'s age?');
 });
@@ -36,7 +36,7 @@ test("adding functions", function() {
         name: "Amory Blaine",
         age: 102,
         toString: function() {
-            return __;  // HINT: use the 'this' keyword to refer to the person object.
+            return "I " + this.name + " am " + this.age + " years old.";  // HINT: use the 'this' keyword to refer to the person object.
         }
     };
     equals(person.toString(), "I Amory Blaine am 102 years old.", 'what should the toString function be?');

topics/about_operators.js

@@ -7,7 +7,7 @@ test("addition", function() {
   for (var i = 0; i <= 5; i++) {
     result = result + i;
   }
-  equals(result, __, "What is the value of result?");
+  equals(result, 15, "What is the value of result?");
 });
 
 test("assignment addition", function() {
@@ -16,23 +16,23 @@ test("assignment addition", function() {
     //the code below is just like saying result = result + i; but is more concise
     result += i;
   }
-  equals(result, __, "What is the value of result?");
+  equals(result, 15, "What is the value of result?");
 });
 
 test("subtraction", function() {
   var result = 5;
   for (var i = 0; i <= 2; i++) {
     result = result - i;
   }
-  equals(result, __, "What is the value of result?");
+  equals(result, 2, "What is the value of result?");
 });
 
 test("assignment subtraction", function() {
   var result = 5;
   for (var i = 0; i <= 2; i++) {
     result -= i;
   }
-  equals(result, __, "What is the value of result?");
+  equals(result, 2, "What is the value of result?");
 });
 
 //Assignment operators are available for multiplication and division as well
@@ -43,5 +43,5 @@ test("modulus", function() {
   var x = 5;
   //again this is exactly the same as result = result % x
   result %= x;
-  equals(result, __, "What is the value of result?");
+  equals(result, 0, "What is the value of result?");
 });

topics/about_prototypal_inheritance.js

@@ -16,7 +16,7 @@ Mammal.prototype = {
 
 test("defining a 'class'", function() {
     var eric  = new Mammal("Eric");
-    equals(eric.sayHi(), __, 'what will Eric say?');
+    equals(eric.sayHi(), 'Hello, my name is Eric', 'what will Eric say?');
 });
 
 // add another function to the Mammal 'type' that uses the sayHi function
@@ -26,7 +26,7 @@ Mammal.prototype.favouriteSaying = function() {
 
 test("more functions", function() {
     var bobby = new Mammal("Bobby");
-    equals(bobby.favouriteSaying(), __, "what is Bobby's favourite saying?"); 
+    equals(bobby.favouriteSaying(), "Bobby's favourite saying is Hello, my name is Bobby", "what is Bobby's favourite saying?"); 
 });
 
 test("calling functions added to a prototype after an object was created", function() {
@@ -35,7 +35,7 @@ test("calling functions added to a prototype after an object was created", funct
         return this.name.length;
     };
     // for the following statement asks the paul object to call a function that was added to the Mammal prototype after paul was constructed.
-    equals(paul.numberOfLettersInName(), __, "how long is Paul's name?");
+    equals(paul.numberOfLettersInName(), 4, "how long is Paul's name?");
 });
 
 // helper function for inheritance. 
@@ -55,6 +55,6 @@ extend(Bat, Mammal);
 
 test("Inheritance", function() {
     var lenny = new Bat("Lenny", "1.5m");
-    equals(lenny.sayHi(), __, "what does Lenny say?");
-    equals(lenny.wingspan, __, "what is Lenny's wingspan?");
+    equals(lenny.sayHi(), "Hello, my name is Lenny", "what does Lenny say?");
+    equals(lenny.wingspan, "1.5m", "what is Lenny's wingspan?");
 });