tests

lib/00_hello.rb

@@ -1,7 +1,7 @@
 def hello
-
+    return "Hello!"
 end
 
 def greet(name)
-
+    return "Hello, #{name}!" 
 end

lib/01_temperature.rb

@@ -0,0 +1,9 @@
+def ftoc(number)
+    return ((number - 32) * 0.5556).round(1)
+end
+
+def ctof(number)
+    return ((number * 1.8) + 32).round(1)
+end
+
+puts(ctof(302))

lib/02_calculator.rb

@@ -0,0 +1,29 @@
+def add(x, y)
+    return x + y
+end
+
+def subtract(x, y)
+    return x - y
+end
+
+ def sum(arr)
+   return arr.sum
+end
+
+def multiply(x, y)
+    return x * y
+end
+
+def power(x, y)
+    y -= 1
+    copy = x
+    y.times {x *= copy}
+    return (x)
+end
+
+def factorial(x)
+    return 1 if x == 0 || x == 1
+    return (1..x).inject(:*)
+end
+
+puts(factorial(5))

lib/03_basics.rb

@@ -0,0 +1,18 @@
+def who_is_bigger(x, y, z)
+    return "nil detected" if x == nil || y == nil || z == nil
+    return "a is bigger" if x > y && x > z
+    return "b is bigger" if y > x && y > z
+    return "c is bigger"
+end
+
+def reverse_upcase_noLTA(s)
+    return s.upcase.tr('LTA', '').reverse
+end
+
+def array_42(arr)
+    return arr.include?(42)
+end
+
+def magic_array(arr)
+    arr = arr.flatten.uniq.sort.delete_if{|a| a % 3 == 0 && a != 0}.collect {|n| n * 2}
+end

lib/04_simon_says.rb

@@ -0,0 +1,36 @@
+def echo(s)
+    return s
+end
+
+def shout(s)
+    return s.upcase
+end
+
+def repeat(s, x=2)
+    copy = s
+    x -= 1
+    x.times do
+        s += " " + copy
+    end
+    return s
+end
+
+def start_of_word(s, x)
+    return s[0..x-1]
+end
+
+def first_word(s)
+    return s.split(" ")[0]
+end
+
+def titleize(s)
+    little_words = ["and", "the", "or"]
+    arr = s.split(/(\W)/)
+    arr.each do |n|
+       if little_words.any?(n) == false
+        n[0] = n[0].upcase
+       end
+    end
+    arr[0][0] = arr[0][0].upcase
+    return arr.join
+end

lib/05_timer.rb

@@ -0,0 +1,3 @@
+def time_string(time)
+    return Time.at(time).utc.strftime("%H:%M:%S")
+end

lib/06_pig_latin.rb

@@ -0,0 +1,31 @@
+def translate(s)
+    arr = s.split(" ")
+    arr.each do |mot|
+        if mot[0].match(/a|e|i|o|u/i)
+            mot << "ay" 
+            next
+        end
+        if mot[0..2] == "sch"
+            mot[0..2] = ''
+            mot << "schay"
+            next
+        end
+        if mot[0..1] == "qu"
+            mot[0..1] = ''
+            mot << "quay"
+            next
+        end
+        if mot[1..2] == "qu"
+            mot << mot[0] + "quay"
+            mot[0..2] = ''
+            next
+        end
+        cons=""
+        while mot[0].match(/\A[^aeiou]/i)
+            mot << mot[0]
+            mot[0] = ''
+        end
+        mot << "ay"
+    end
+    return arr.join(" ")
+end

spec/02_calculator_spec.rb

@@ -47,23 +47,36 @@
     expect(multiply(3, 4)).to eq(12)
   end
 
-  it "multiplies two other numbers"
-    # one other test here, don't forget do end ;)
-
-  it "multiplies two other numbers, one of them being 0"
-    # one last test, with 0 in it
+  it "multiplies two other numbers" do
+    expect(multiply(1, 2)).to eq(2)
+  end
 
+  it "multiplies two other numbers, one of them being 0" do
+    expect(multiply(0, 5)).to eq(0)
+  end
 end
 
 describe "#power" do
-  it "raises one number to the power of another number"
+  it "raises one number to the power of another number" do
+    expect(power(5, 3)).to eq(125)
+  end
 end
 
 # http://en.wikipedia.org/wiki/Factorial
 describe "#factorial" do
-  it "computes the factorial of 0"
-  it "computes the factorial of 1"
-  it "computes the factorial of 2"
-  it "computes the factorial of 5"
-  it "computes the factorial of 10"
+  it "computes the factorial of 0" do
+    expect(factorial(0)).to eq(1)
+  end
+  it "computes the factorial of 1" do
+    expect(factorial(1)).to eq(1)
+  end
+  it "computes the factorial of 2" do
+    expect(factorial(2)).to eq(2)
+  end
+  it "computes the factorial of 5" do
+    expect(factorial(5)).to eq(120)
+  end
+  it "computes the factorial of 10" do
+    expect(factorial(10)).to eq(3628800)
+  end
 end