mirror of
https://github.com/ruby/ruby.git
synced 2022-11-09 12:17:21 -05:00
401b64c4e8
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62656 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
119 lines
3.8 KiB
Ruby
119 lines
3.8 KiB
Ruby
# -*- encoding: utf-8 -*-
|
|
require_relative '../../spec_helper'
|
|
require_relative 'fixtures/classes'
|
|
|
|
describe "String#delete" do
|
|
it "returns a new string with the chars from the intersection of sets removed" do
|
|
s = "hello"
|
|
s.delete("lo").should == "he"
|
|
s.should == "hello"
|
|
|
|
"hello".delete("l", "lo").should == "heo"
|
|
|
|
"hell yeah".delete("").should == "hell yeah"
|
|
end
|
|
|
|
it "raises an ArgumentError when given no arguments" do
|
|
lambda { "hell yeah".delete }.should raise_error(ArgumentError)
|
|
end
|
|
|
|
it "negates sets starting with ^" do
|
|
"hello".delete("aeiou", "^e").should == "hell"
|
|
"hello".delete("^leh").should == "hell"
|
|
"hello".delete("^o").should == "o"
|
|
"hello".delete("^").should == "hello"
|
|
"^_^".delete("^^").should == "^^"
|
|
"oa^_^o".delete("a^").should == "o_o"
|
|
end
|
|
|
|
it "deletes all chars in a sequence" do
|
|
"hello".delete("ej-m").should == "ho"
|
|
"hello".delete("e-h").should == "llo"
|
|
"hel-lo".delete("e-").should == "hllo"
|
|
"hel-lo".delete("-h").should == "ello"
|
|
"hel-lo".delete("---").should == "hello"
|
|
"hel-012".delete("--2").should == "hel"
|
|
"hel-()".delete("(--").should == "hel"
|
|
"hello".delete("^e-h").should == "he"
|
|
"hello^".delete("^^-^").should == "^"
|
|
"hel--lo".delete("^---").should == "--"
|
|
|
|
"abcdefgh".delete("a-ce-fh").should == "dg"
|
|
"abcdefgh".delete("he-fa-c").should == "dg"
|
|
"abcdefgh".delete("e-fha-c").should == "dg"
|
|
|
|
"abcde".delete("ac-e").should == "b"
|
|
"abcde".delete("^ac-e").should == "acde"
|
|
|
|
"ABCabc[]".delete("A-a").should == "bc"
|
|
end
|
|
|
|
it "deletes multibyte characters" do
|
|
"四月".delete("月").should == "四"
|
|
'哥哥我倒'.delete('哥').should == "我倒"
|
|
end
|
|
|
|
it "respects backslash for escaping a -" do
|
|
'Non-Authoritative Information'.delete(' \-\'').should ==
|
|
'NonAuthoritativeInformation'
|
|
end
|
|
|
|
it "raises if the given ranges are invalid" do
|
|
not_supported_on :opal do
|
|
xFF = [0xFF].pack('C')
|
|
range = "\x00 - #{xFF}".force_encoding('utf-8')
|
|
lambda { "hello".delete(range).should == "" }.should raise_error(ArgumentError)
|
|
end
|
|
lambda { "hello".delete("h-e") }.should raise_error(ArgumentError)
|
|
lambda { "hello".delete("^h-e") }.should raise_error(ArgumentError)
|
|
end
|
|
|
|
it "taints result when self is tainted" do
|
|
"hello".taint.delete("e").tainted?.should == true
|
|
"hello".taint.delete("a-z").tainted?.should == true
|
|
|
|
"hello".delete("e".taint).tainted?.should == false
|
|
end
|
|
|
|
it "tries to convert each set arg to a string using to_str" do
|
|
other_string = mock('lo')
|
|
other_string.should_receive(:to_str).and_return("lo")
|
|
|
|
other_string2 = mock('o')
|
|
other_string2.should_receive(:to_str).and_return("o")
|
|
|
|
"hello world".delete(other_string, other_string2).should == "hell wrld"
|
|
end
|
|
|
|
it "raises a TypeError when one set arg can't be converted to a string" do
|
|
lambda { "hello world".delete(100) }.should raise_error(TypeError)
|
|
lambda { "hello world".delete([]) }.should raise_error(TypeError)
|
|
lambda { "hello world".delete(mock('x')) }.should raise_error(TypeError)
|
|
end
|
|
|
|
it "returns subclass instances when called on a subclass" do
|
|
StringSpecs::MyString.new("oh no!!!").delete("!").should be_an_instance_of(StringSpecs::MyString)
|
|
end
|
|
end
|
|
|
|
describe "String#delete!" do
|
|
it "modifies self in place and returns self" do
|
|
a = "hello"
|
|
a.delete!("aeiou", "^e").should equal(a)
|
|
a.should == "hell"
|
|
end
|
|
|
|
it "returns nil if no modifications were made" do
|
|
a = "hello"
|
|
a.delete!("z").should == nil
|
|
a.should == "hello"
|
|
end
|
|
|
|
it "raises a #{frozen_error_class} when self is frozen" do
|
|
a = "hello"
|
|
a.freeze
|
|
|
|
lambda { a.delete!("") }.should raise_error(frozen_error_class)
|
|
lambda { a.delete!("aeiou", "^e") }.should raise_error(frozen_error_class)
|
|
end
|
|
end
|