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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_if" do
before do
@a = [ "a", "b", "c" ]
end
it "removes each element for which block returns true" do
@a = [ "a", "b", "c" ]
@a.delete_if { |x| x >= "b" }
@a.should == ["a"]
end
it "returns self" do
@a.delete_if{ true }.equal?(@a).should be_true
end
ruby_version_is "" ... "1.8.7" do
it "raises a LocalJumpError if no block given" do
lambda { @a.delete_if }.should raise_error(LocalJumpError)
end
end
ruby_version_is '1.8.7' do
it "returns an Enumerator if no block given, and the enumerator can modify the original array" do
enum = @a.delete_if
enum.should be_kind_of(enumerator_class)
@a.should_not be_empty
enum.each { true }
@a.should be_empty
end
end
ruby_version_is '' ... '1.9' do
it "raises a TypeError on a frozen array" do
lambda { ArraySpecs.frozen_array.delete_if {} }.should raise_error(TypeError)
end
end
ruby_version_is '1.9' do
it "raises a RuntimeError on a frozen array" do
lambda { ArraySpecs.frozen_array.delete_if {} }.should raise_error(RuntimeError)
end
end
it "keeps tainted status" do
@a.taint
@a.tainted?.should be_true
@a.delete_if{ true }
@a.tainted?.should be_true
end
ruby_version_is '1.9' do
it "keeps untrusted status" do
@a.untrust
@a.untrusted?.should be_true
@a.delete_if{ true }
@a.untrusted?.should be_true
end
end
end
Version data entries
83 entries across 83 versions & 1 rubygems