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Contents
require File.expand_path('../../../spec_helper', __FILE__)
require File.expand_path('../fixtures/classes.rb', __FILE__)
describe "String#replace" do
it "replaces the content of self with other and returns self" do
a = "some string"
a.replace("another string").should equal(a)
a.should == "another string"
end
it "replaces the taint status of self with that of other" do
a = "an untainted string"
b = "a tainted string".taint
a.replace(b)
a.tainted?.should == true
end
it "tries to convert other to string using to_str" do
other = mock('x')
other.should_receive(:to_str).and_return("converted to a string")
"hello".replace(other).should == "converted to a string"
end
it "raises a TypeError if other can't be converted to string" do
lambda { "hello".replace(123) }.should raise_error(TypeError)
lambda { "hello".replace([]) }.should raise_error(TypeError)
lambda { "hello".replace(mock('x')) }.should raise_error(TypeError)
end
ruby_version_is ""..."1.9" do
it "raises a TypeError on a frozen instance that is modified" do
a = "hello".freeze
lambda { a.replace("") }.should raise_error(TypeError)
lambda { a.replace("world") }.should raise_error(TypeError)
end
it "does not raise an exception on a frozen instance that would not be modified" do
a = "hello".freeze
a.freeze.replace(a).should equal(a)
end
end
ruby_version_is "1.9" do
it "raises a RuntimeError on a frozen instance that is modified" do
a = "hello".freeze
lambda { a.replace("") }.should raise_error(RuntimeError)
lambda { a.replace("world") }.should raise_error(RuntimeError)
end
# see [ruby-core:23666]
it "raises a RuntimeError on a frozen instance that would not be modified" do
a = "hello".freeze
lambda { a.freeze.replace(a) }.should raise_error(RuntimeError)
end
end
end
Version data entries
52 entries across 52 versions & 2 rubygems