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Contents
require File.dirname(File.join(__rhoGetCurrentDir(), __FILE__)) + '/../../spec_helper'
require File.dirname(File.join(__rhoGetCurrentDir(), __FILE__)) + '/fixtures/classes'
describe "Array#delete" do
it "removes elements that are #== to object" do
x = mock('delete')
def x.==(other) 3 == other end
a = [1, 2, 3, x, 4, 3, 5, x]
a.delete mock('not contained')
a.should == [1, 2, 3, x, 4, 3, 5, x]
a.delete 3
a.should == [1, 2, 4, 5]
end
it "calculates equality correctly for reference values" do
a = ["foo", "bar", "foo", "quux", "foo"]
a.delete "foo"
a.should == ["bar","quux"]
end
it "returns object or nil if no elements match object" do
[1, 2, 4, 5].delete(1).should == 1
[1, 2, 4, 5].delete(3).should == nil
end
it "may be given a block that is executed if no element matches object" do
[1].delete(1) {:not_found}.should == 1
[].delete('a') {:not_found}.should == :not_found
end
ruby_version_is '' ... '1.9' do
it "raises a TypeError on a frozen array if a modification would take place" do
lambda { [1, 2, 3].freeze.delete(1) }.should raise_error(TypeError)
end
it "returns false on a frozen array if a modification does not take place" do
[1, 2, 3].freeze.delete(0).should == nil
end
end
ruby_version_is '1.9' do
it "raises a RuntimeError on a frozen array" do
lambda { [1, 2, 3].freeze.delete(1) }.should raise_error(RuntimeError)
end
end
it "keeps tainted status" do
a = [1, 2]
a.taint
a.tainted?.should be_true
a.delete(2)
a.tainted?.should be_true
a.delete(1) # now empty
a.tainted?.should be_true
end
ruby_version_is '1.9' do
it "keeps untrusted status" do
a = [1, 2]
a.untrust
a.untrusted?.should be_true
a.delete(2)
a.untrusted?.should be_true
a.delete(1) # now empty
a.untrusted?.should be_true
end
end
end
Version data entries
83 entries across 83 versions & 1 rubygems