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Versions: 45
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Contents
require_relative "spec_helper"
Sequel.extension :blank
describe "Object#blank?" do
it "it should be true if the object responds true to empty?" do
[].blank?.must_equal true
{}.blank?.must_equal true
o = Object.new
def o.empty?; true; end
o.blank?.must_equal true
end
it "it should be false if the object doesn't respond true to empty?" do
[2].blank?.must_equal false
{1=>2}.blank?.must_equal false
Object.new.blank?.must_equal false
end
end
describe "Numeric#blank?" do
it "it should always be false" do
1.blank?.must_equal false
0.blank?.must_equal false
-1.blank?.must_equal false
1.0.blank?.must_equal false
0.0.blank?.must_equal false
-1.0.blank?.must_equal false
10000000000000000.blank?.must_equal false
-10000000000000000.blank?.must_equal false
10000000000000000.0.blank?.must_equal false
-10000000000000000.0.blank?.must_equal false
end
end
describe "NilClass#blank?" do
it "it should always be true" do
nil.blank?.must_equal true
end
end
describe "TrueClass#blank?" do
it "it should always be false" do
true.blank?.must_equal false
end
end
describe "FalseClass#blank?" do
it "it should always be true" do
false.blank?.must_equal true
end
end
describe "String#blank?" do
it "it should be true if the string is empty" do
''.blank?.must_equal true
end
it "it should be true if the string is composed of just whitespace" do
' '.blank?.must_equal true
"\r\n\t".blank?.must_equal true
(' '*4000).blank?.must_equal true
("\r\n\t"*4000).blank?.must_equal true
end
it "it should be false if the string has any non whitespace characters" do
'1'.blank?.must_equal false
("\r\n\t"*4000 + 'a').blank?.must_equal false
("\r\na\t"*4000).blank?.must_equal false
end
end
Version data entries
45 entries across 41 versions & 2 rubygems