Current progress

koans/about_triangle_project_2.rb

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+require File.expand_path(File.dirname(__FILE__) + '/neo')
+
+# You need to write the triangle method in the file 'triangle.rb'
+require './triangle.rb'
+
+class AboutTriangleProject2 < Neo::Koan
+  # The first assignment did not talk about how to handle errors.
+  # Let's handle that part now.
+  def test_illegal_triangles_throw_exceptions
+    assert_raise(TriangleError) do triangle(0, 0, 0) end
+    assert_raise(TriangleError) do triangle(3, 4, -5) end
+    assert_raise(TriangleError) do triangle(1, 1, 3) end
+    assert_raise(TriangleError) do triangle(2, 4, 2) end
+    # HINT: for tips, see http://stackoverflow.com/questions/3834203/ruby-koan-151-raising-exceptions
+  end
+end