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ruby--ruby/spec/ruby/core/string/insert_spec.rb
Jeremy Evans ffd0820ab3 Deprecate taint/trust and related methods, and make the methods no-ops
This removes the related tests, and puts the related specs behind
version guards.  This affects all code in lib, including some
libraries that may want to support older versions of Ruby.
2019-11-18 01:00:25 +02:00

84 lines
2.6 KiB
Ruby

# -*- encoding: utf-8 -*-
require_relative '../../spec_helper'
require_relative 'fixtures/classes'
describe "String#insert with index, other" do
it "inserts other before the character at the given index" do
"abcd".insert(0, 'X').should == "Xabcd"
"abcd".insert(3, 'X').should == "abcXd"
"abcd".insert(4, 'X').should == "abcdX"
end
it "modifies self in place" do
a = "abcd"
a.insert(4, 'X').should == "abcdX"
a.should == "abcdX"
end
it "inserts after the given character on an negative count" do
"abcd".insert(-5, 'X').should == "Xabcd"
"abcd".insert(-3, 'X').should == "abXcd"
"abcd".insert(-1, 'X').should == "abcdX"
end
it "raises an IndexError if the index is beyond string" do
-> { "abcd".insert(5, 'X') }.should raise_error(IndexError)
-> { "abcd".insert(-6, 'X') }.should raise_error(IndexError)
end
it "converts index to an integer using to_int" do
other = mock('-3')
other.should_receive(:to_int).and_return(-3)
"abcd".insert(other, "XYZ").should == "abXYZcd"
end
it "converts other to a string using to_str" do
other = mock('XYZ')
other.should_receive(:to_str).and_return("XYZ")
"abcd".insert(-3, other).should == "abXYZcd"
end
ruby_version_is ''...'2.7' do
it "taints self if string to insert is tainted" do
str = "abcd"
str.insert(0, "T".taint).tainted?.should == true
str = "abcd"
other = mock('T')
def other.to_str() "T".taint end
str.insert(0, other).tainted?.should == true
end
end
it "raises a TypeError if other can't be converted to string" do
-> { "abcd".insert(-6, Object.new)}.should raise_error(TypeError)
-> { "abcd".insert(-6, []) }.should raise_error(TypeError)
-> { "abcd".insert(-6, mock('x')) }.should raise_error(TypeError)
end
it "raises a #{frozen_error_class} if self is frozen" do
str = "abcd".freeze
-> { str.insert(4, '') }.should raise_error(frozen_error_class)
-> { str.insert(4, 'X') }.should raise_error(frozen_error_class)
end
it "inserts a character into a multibyte encoded string" do
"ありがとう".insert(1, 'ü').should == "あüりがとう"
end
it "returns a String in the compatible encoding" do
str = "".force_encoding(Encoding::US_ASCII)
str.insert(0, "ありがとう")
str.encoding.should == Encoding::UTF_8
end
it "raises an Encoding::CompatibilityError if the encodings are incompatible" do
pat = "".encode Encoding::EUC_JP
-> do
"あれ".insert 0, pat
end.should raise_error(Encoding::CompatibilityError)
end
end