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require File.expand_path('../../../../spec_helper', __FILE__)
require File.expand_path('../../fixtures/classes', __FILE__)
describe :to_s, :shared => true do
it "returns a string representation with same order as each()" do
h = new_hash(:a => [1, 2], :b => -2, :d => -6, nil => nil)
pairs = []
h.each do |key, value|
pairs << key.inspect + '=>' + value.inspect
end
str = '{' + pairs.join(', ') + '}'
h.send(@method).should == str
end
it "calls inspect on keys and values" do
key = mock('key')
val = mock('val')
key.should_receive(:inspect).and_return('key')
val.should_receive(:inspect).and_return('val')
new_hash(key => val).send(@method).should == '{key=>val}'
end
it "handles hashes with recursive values" do
x = new_hash
x[0] = x
x.send(@method).should == '{0=>{...}}'
x = new_hash
y = new_hash
x[0] = y
y[1] = x
x.send(@method).should == "{0=>{1=>{...}}}"
y.send(@method).should == "{1=>{0=>{...}}}"
end
# Recursive hash keys are disallowed on 1.9
ruby_version_is ""..."1.9" do
it "handles hashes with recursive keys" do
x = new_hash
x[x] = 0
x.send(@method).should == '{{...}=>0}'
x = new_hash
x[x] = x
x.send(@method).should == '{{...}=>{...}}'
x = new_hash
y = new_hash
x[y] = 0
y[x] = 1
x.send(@method).should == "{{{...}=>1}=>0}"
y.send(@method).should == "{{{...}=>0}=>1}"
x = new_hash
y = new_hash
x[y] = x
y[x] = y
x.send(@method).should == "{{{...}=>{...}}=>{...}}"
y.send(@method).should == "{{{...}=>{...}}=>{...}}"
end
end
end
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