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All tasks done (Ulyana) #118

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20 changes: 10 additions & 10 deletions topics/about_arrays.js
Original file line number Diff line number Diff line change
Expand Up @@ -2,23 +2,23 @@ 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
equal(__, favouriteThings[0], 'what is in the first position of the array?');
equal(__, favouriteThings[1], 'what is in the second position of the array?');
equal(__, favouriteThings[2], 'what is in the third position of the array?');
equal("cellar door", favouriteThings[0], 'what is in the first position of the array?');
equal(42, favouriteThings[1], 'what is in the second position of the array?');
equal(true, favouriteThings[2], 'what is in the third position of the array?');
});

test("array type", function() {
equal(__, typeof([]), 'what is the type of an array?');
equal("object", typeof([]), 'what is the type of an array?');
});

test("length", function() {
var collection = ['a','b','c'];
equal(__, collection.length, 'what is the length of the collection array?');
equal(3, collection.length, 'what is the length of the collection array?');
});

test("splice", function() {
var daysOfWeek = ['Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday', 'Sunday'];
var workingWeek = daysOfWeek.splice(__, __);
var workingWeek = daysOfWeek.splice(0, 5);
var weekend = daysOfWeek;

deepEqual(workingWeek, ['Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday'], 'what is the value of workingWeek?');
Expand All @@ -30,8 +30,8 @@ test("stack methods", function() {
stack.push("first");
stack.push("second");

equal(__, stack.pop(), 'what will be the first value popped off the stack?');
equal(__, stack.pop(), 'what will be the second value popped off the stack?');
equal("second", stack.pop(), 'what will be the first value popped off the stack?');
equal("first", stack.pop(), 'what will be the second value popped off the stack?');
});

test("queue methods", function() {
Expand All @@ -40,6 +40,6 @@ test("queue methods", function() {
queue.push("second");
queue.unshift("third");

equal(__, queue.shift(), 'what will be shifted out first?');
equal(__, queue.shift(), 'what will be shifted out second?');
equal("third", queue.shift(), 'what will be shifted out first?');
equal("first", queue.shift(), 'what will be shifted out second?');
});
6 changes: 3 additions & 3 deletions topics/about_asserts.js
Original file line number Diff line number Diff line change
Expand Up @@ -2,13 +2,13 @@
module("About Asserts (topics/about_asserts.js)");

test("ok", function() {
ok(__ === true, 'what will satisfy the ok assertion?');
ok(true === true, 'what will satisfy the ok assertion?');
});

test("not ok", function() {
ok(__ === false, 'what is a false value?');
ok(false === false, 'what is a false value?');
});

test("equal", function() {
equal(__, 1 + 1, 'what will satisfy the equal assertion?');
equal(2, 1 + 1, 'what will satisfy the equal assertion?');
});
4 changes: 2 additions & 2 deletions topics/about_assignment.js
Original file line number Diff line number Diff line change
Expand Up @@ -2,11 +2,11 @@
module("About Assignment (topics/about_assignment.js)");

test("local variables", function() {
var temp = __;
var temp = 1;
equal(temp, 1, "Assign a value to the variable temp");
});

test("global variables", function() {
temp = 1; // Not using var is an example. Always use var in practise.
equal(window.__, temp, 'global variables are assigned to the window object');
equal(window.temp, temp, 'global variables are assigned to the window object');
});
16 changes: 8 additions & 8 deletions topics/about_control_structures.js
Original file line number Diff line number Diff line change
Expand Up @@ -5,15 +5,15 @@ test("if", function() {
if (2 > 0) {
isPositive = true;
}
equal(__, isPositive, 'what is the value of isPositive?');
equal(true, isPositive, 'what is the value of isPositive?');
});

test("for", function() {
var counter = 10;
for (var i = 1; i <= 3; i++) {
counter = counter + i;
}
equal(__, counter, 'what is the value of counter?');
equal(16, counter, 'what is the value of counter?');
});

test("for in", function() {
Expand All @@ -27,15 +27,15 @@ test("for in", function() {
for (var property_name in person) {
result = result + property_name;
}
equal(__, result, 'what is the value of result?');
equal('nameage', result, 'what is the value of result?');
});

test("ternary operator", function() {
var fruit = true ? "apple" : "orange";
equal(__, fruit, 'what is the value of fruit?');
equal("apple", fruit, 'what is the value of fruit?');

fruit = false ? "apple" : "orange";
equal(__, fruit, 'now what is the value of fruit?');
equal("orange", fruit, 'now what is the value of fruit?');
});

test("switch", function() {
Expand All @@ -48,7 +48,7 @@ test("switch", function() {
result = 2;
break;
}
equal(__, result, 'what is the value of result?');
equal(2, result, 'what is the value of result?');
});

test("switch default case", function() {
Expand All @@ -64,10 +64,10 @@ test("switch default case", function() {
result = "Merry";
break;
}
equal(__, result, 'what is the value of result?');
equal("Merry", result, 'what is the value of result?');
});

test("null coalescing", function() {
var result = null || "a value";
equal(__, result, 'what is the value of result?');
equal("a value", result, 'what is the value of result?');
});
12 changes: 6 additions & 6 deletions topics/about_equality.js
Original file line number Diff line number Diff line change
Expand Up @@ -2,22 +2,22 @@
module("About Equality (topics/about_equality.js)");

test("numeric equality", function() {
equal(3 + __, 7, "");
equal(3 + 4, 7, "");
});

test("string equality", function() {
equal("3" + __, "37", "concatenate the strings");
equal("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() {
equal(__, "frankenstein", "quote types are interchangable, but must match.");
equal(__, 'frankenstein', "quote types can use both single and double quotes.");
equal('frankenstein', "frankenstein", "quote types are interchangable, but must match.");
equal("frankenstein", 'frankenstein', "quote types can use both single and double quotes.");
});
23 changes: 11 additions & 12 deletions topics/about_functions_and_closure.js
Original file line number Diff line number Diff line change
Expand Up @@ -7,14 +7,14 @@ test("defining functions directly", function() {
result = "b";
};
changeResult();
equal(__, result, 'what is the value of result?');
equal("b", result, 'what is the value of result?');
});

test("assigning functions to variables", function() {
var triple = function(input) {
return input * 3;
};
equal(__, triple(4), 'what is triple 4?');
equal(12, triple(4), 'what is triple 4?');
});

test("self invoking functions", function() {
Expand All @@ -23,23 +23,22 @@ test("self invoking functions", function() {
// self invoking functions are used to provide scoping and to alias variables
(function(pv) {
var secretValue = "password";
equal(__, pv, 'what is the value of pv?');
equal("__", typeof(secretValue), "is secretValue available in this context?");
equal("__", typeof(publicValue), "is publicValue available in this context?");
equal("shared", pv, 'what is the value of pv?');
equal("string", typeof(secretValue), "is secretValue available in this context?");
equal("string", typeof(publicValue), "is publicValue available in this context?");
})(publicValue);

equal("__", typeof(secretValue), "is secretValue available in this context?");
equal("__", typeof(publicValue), "is publicValue available in this context?");
equal("undefined", typeof(secretValue), "is secretValue available in this context?");
equal("string", typeof(publicValue), "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
};

equal(15, add(1,2,3,4,5), "add 1,2,3,4,5");
Expand All @@ -57,7 +56,7 @@ 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?");

equal(__, result, "what will the value of invokee's this be?");
equal("I am this!Where did it come from?", result, "what will the value of invokee's this be?");
});

test("using apply to invoke function",function(){
Expand All @@ -70,6 +69,6 @@ test("using apply to invoke function",function(){
//function and the second is the array of arguments to be passed into the called function.
var result = invokee.apply("I am this!", ["I am arg1","I am arg2"]);

equal(__, result, "what will the value of invokee's this be?");
equal("I am this!I am arg1I am arg2", result, "what will the value of invokee's this be?");
});

10 changes: 5 additions & 5 deletions topics/about_numbers.js
Original file line number Diff line number Diff line change
Expand Up @@ -4,13 +4,13 @@ module("About Numbers (topics/about_numbers.js)");
test("types", function() {
var typeOfIntegers = typeof(6);
var typeOfFloats = typeof(3.14159);
equal(__, typeOfIntegers === typeOfFloats, 'are ints and floats the same type?');
equal(__, typeOfIntegers, 'what is the javascript numeric type?');
equal(__, 1.0, 'what is a integer number equivalent to 1.0?');
equal(true, typeOfIntegers === typeOfFloats, 'are ints and floats the same type?');
equal("number", typeOfIntegers, 'what is the javascript numeric type?');
equal(1, 1.0, 'what is a integer number equivalent to 1.0?');
});

test("NaN", function() {
var resultOfFailedOperations = 7/'apple';
equal(__, isNaN(resultOfFailedOperations), 'what will satisfy the equals assertion?');
equal(__, resultOfFailedOperations == NaN, 'is NaN == NaN?');
equal(true, isNaN(resultOfFailedOperations), 'what will satisfy the equals assertion?');
equal(false, resultOfFailedOperations == NaN, 'is NaN == NaN?');
});
16 changes: 8 additions & 8 deletions topics/about_objects.js
Original file line number Diff line number Diff line change
Expand Up @@ -3,30 +3,30 @@ module("About Objects (topics/about_objects.js)");

test("object type", function() {
var empty_object = {};
equal(__, typeof(empty_object), 'what is the type of an object?');
equal("object", typeof(empty_object), 'what is the type of an object?');
});

test("object literal notation", function() {
var person = {
__:__,
__:__
name: "Amory Blaine",
age: 102
};
equal("Amory Blaine", person.name, "what is the person's name?");
equal(102, person.age, "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;
equal("Amory Blaine", person.name, "what is the person's name?");
equal(102, person.age, "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;
equal("Amory Blaine", person.name, "what is the person's name?");
equal(102, person.age, "what is the person's age?");
});
Expand All @@ -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.
}
};
equal("I Amory Blaine am 102 years old.", person.toString(), "what should the toString function be?");
Expand Down
10 changes: 5 additions & 5 deletions topics/about_operators.js
Original file line number Diff line number Diff line change
Expand Up @@ -7,7 +7,7 @@ test("addition", function() {
for (var i = 0; i <= 5; i++) {
result = result + i;
}
equal(__, result, "What is the value of result?");
equal(15, result, "What is the value of result?");
});

test("assignment addition", function() {
Expand All @@ -16,23 +16,23 @@ test("assignment addition", function() {
//the code below is just like saying result = result + i; but is more concise
result += i;
}
equal(__, result, "What is the value of result?");
equal(15, result, "What is the value of result?");
});

test("subtraction", function() {
var result = 5;
for (var i = 0; i <= 2; i++) {
result = result - i;
}
equal(__, result, "What is the value of result?");
equal(2, result, "What is the value of result?");
});

test("assignment subtraction", function() {
var result = 5;
for (var i = 0; i <= 2; i++) {
result -= i;
}
equal(__, result, "What is the value of result?");
equal(2, result, "What is the value of result?");
});

//Assignment operators are available for multiplication and division as well
Expand All @@ -43,5 +43,5 @@ test("modulus", function() {
var x = 5;
//again this is exactly the same as result = result % x
result %= x;
equal(__, result, "What is the value of result?");
equal(0, result, "What is the value of result?");
});
10 changes: 5 additions & 5 deletions topics/about_prototypal_inheritance.js
Original file line number Diff line number Diff line change
Expand Up @@ -16,7 +16,7 @@ Mammal.prototype = {

test("defining a 'class'", function() {
var eric = new Mammal("Eric");
equal(__, eric.sayHi(), 'what will Eric say?');
equal("Hello, my name is Eric", eric.sayHi(), 'what will Eric say?');
});

// add another function to the Mammal 'type' that uses the sayHi function
Expand All @@ -26,7 +26,7 @@ Mammal.prototype.favouriteSaying = function() {

test("more functions", function() {
var bobby = new Mammal("Bobby");
equal(__, bobby.favouriteSaying(), "what is Bobby's favourite saying?");
equal("Bobby's favourite saying is Hello, my name is Bobby", bobby.favouriteSaying(), "what is Bobby's favourite saying?");
});

test("calling functions added to a prototype after an object was created", function() {
Expand All @@ -36,7 +36,7 @@ test("calling functions added to a prototype after an object was created", funct
};
// the following statement asks the paul object to call a function that was added
// to the Mammal prototype after paul was constructed.
equal(__, paul.numberOfLettersInName(), "how long is Paul's name?");
equal(4, paul.numberOfLettersInName(), "how long is Paul's name?");
});

// helper function for inheritance.
Expand All @@ -56,6 +56,6 @@ extend(Bat, Mammal);

test("Inheritance", function() {
var lenny = new Bat("Lenny", "1.5m");
equal(__, lenny.sayHi(), "what does Lenny say?");
equal(__, lenny.wingspan, "what is Lenny's wingspan?");
equal("Hello, my name is Lenny", lenny.sayHi(), "what does Lenny say?");
equal("1.5m", lenny.wingspan, "what is Lenny's wingspan?");
});
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