Merge remote-tracking branch 'openstreetmap/pull/1491'

[rails.git] / test / lib / short_link_test.rb

diff --git a/test/lib/short_link_test.rb b/test/lib/short_link_test.rb
index 7aa21f3636cb0a71b7f2cb9d8cfe24cd5e326225..1c8d3ce2c07d045302942ca77a17389534e892f5 100644 (file)
--- a/test/lib/short_link_test.rb
+++ b/test/lib/short_link_test.rb
@@ -1,41 +1,41 @@
-require 'test_helper'
+require "test_helper"
 
 class ShortLinkTest < ActiveSupport::TestCase
   ##
   # tests that encoding and decoding are working to within
   # the acceptable quantisation range.
   def test_encode_decode
-    cases = Array.new
-    1000.times do 
-      cases << [ 180.0 * rand - 90.0, 360.0 * rand - 180.0, (18 * rand).to_i ]
+    cases = []
+    1000.times do
+      cases << [180.0 * rand - 90.0, 360.0 * rand - 180.0, (18 * rand).to_i]
     end
 
     cases.each do |lat, lon, zoom|
       lon2, lat2, zoom2 = ShortLink.decode(ShortLink.encode(lon, lat, zoom))
       # zooms should be identical
       assert_equal zoom, zoom2, "Decoding a encoded short link gives different zoom for (#{lat}, #{lon}, #{zoom})."
-      # but the location has a quantisation error introduced at roughly 
-      # one pixel (i.e: zoom + 8). the sqrt(5) is because each position 
-      # has an extra bit of accuracy in the lat coordinate, due to the 
+      # but the location has a quantisation error introduced at roughly
+      # one pixel (i.e: zoom + 8). the sqrt(5) is because each position
+      # has an extra bit of accuracy in the lat coordinate, due to the
       # smaller range.
-      distance = Math.sqrt((lat - lat2) ** 2 + (lon - lon2) ** 2)
+      distance = Math.sqrt((lat - lat2)**2 + (lon - lon2)**2)
       max_distance = 360.0 / (1 << (zoom + 8)) * 0.5 * Math.sqrt(5)
       assert max_distance > distance, "Maximum expected error exceeded: #{max_distance} <= #{distance} for (#{lat}, #{lon}, #{zoom})."
     end
   end
 
   ##
-  # test that links are backwards-compatible, so any old links with 
+  # test that links are backwards-compatible, so any old links with
   # the deprecated @ characters in them still work properly.
   def test_deprecated_at_sign
     cases = [["~v2juONc--", "@v2juONc--"],
-             ["as3I3GpG~-", "as3I3GpG@-"], 
-             ["D~hV--",     "D@hV--"], 
+             ["as3I3GpG~-", "as3I3GpG@-"],
+             ["D~hV--",     "D@hV--"],
              ["CO0O~m8--",  "CO0O@m8--"]]
 
     cases.each do |new_code, old_code|
-      assert_equal ShortLink.decode(old_code), ShortLink.decode(new_code), 
-        "old (#{old_code}) and new (#{new_code}) should decode to the same location."
+      assert_equal ShortLink.decode(old_code), ShortLink.decode(new_code),
+                   "old (#{old_code}) and new (#{new_code}) should decode to the same location."
     end
   end
 end