Some solutions for the julia path

julia/difference-of-squares/runtests.jl

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+using Test
+
+include("difference-of-squares.jl")
+
+@testset verbose = true "tests" begin
+    @testset "Square the sum of the numbers up to the given number" begin
+        @test square_of_sum(1)::Integer == 1
+        @test square_of_sum(5)::Integer == 225
+        @test square_of_sum(10)::Integer == 3025
+        @test square_of_sum(100)::Integer == 25502500
+    end
+
+    @testset "Sum the squares of the numbers up to the given number" begin
+        @test sum_of_squares(1)::Integer == 1
+        @test sum_of_squares(5)::Integer == 55
+        @test sum_of_squares(10)::Integer == 385
+        @test sum_of_squares(100)::Integer == 338350
+    end
+
+    @testset "Subtract sum of squares from square of sums" begin
+        @test difference(0)::Integer == 0
+        @test difference(1)::Integer == 0
+        @test difference(5)::Integer == 170
+        @test difference(10)::Integer == 2640
+        @test difference(100)::Integer == 25164150
+    end
+end