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Versions: 25
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Contents
require File.join(File.dirname(File.expand_path(__FILE__)), 'spec_helper')
Sequel.extension :blank
describe "Object#blank?" do
specify "it should be true if the object responds true to empty?" do
[].blank?.should == true
{}.blank?.should == true
o = Object.new
def o.empty?; true; end
o.blank?.should == true
end
specify "it should be false if the object doesn't respond true to empty?" do
[2].blank?.should == false
{1=>2}.blank?.should == false
Object.new.blank?.should == false
end
end
describe "Numeric#blank?" do
specify "it should always be false" do
1.blank?.should == false
0.blank?.should == false
-1.blank?.should == false
1.0.blank?.should == false
0.0.blank?.should == false
-1.0.blank?.should == false
10000000000000000.blank?.should == false
-10000000000000000.blank?.should == false
10000000000000000.0.blank?.should == false
-10000000000000000.0.blank?.should == false
end
end
describe "NilClass#blank?" do
specify "it should always be true" do
nil.blank?.should == true
end
end
describe "TrueClass#blank?" do
specify "it should always be false" do
true.blank?.should == false
end
end
describe "FalseClass#blank?" do
specify "it should always be true" do
false.blank?.should == true
end
end
describe "String#blank?" do
specify "it should be true if the string is empty" do
''.blank?.should == true
end
specify "it should be true if the string is composed of just whitespace" do
' '.blank?.should == true
"\r\n\t".blank?.should == true
(' '*4000).blank?.should == true
("\r\n\t"*4000).blank?.should == true
end
specify "it should be false if the string has any non whitespace characters" do
'1'.blank?.should == false
("\r\n\t"*4000 + 'a').blank?.should == false
("\r\na\t"*4000).blank?.should == false
end
end
Version data entries
25 entries across 25 versions & 2 rubygems